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Olympus Medical Systems Corp patents (2015 archive)


Recent patent applications related to Olympus Medical Systems Corp. Olympus Medical Systems Corp is listed as an Agent/Assignee. Note: Olympus Medical Systems Corp may have other listings under different names/spellings. We're not affiliated with Olympus Medical Systems Corp, we're just tracking patents.

ARCHIVE: New 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009 | Company Directory "O" | Olympus Medical Systems Corp-related inventors


12/31/15 / #20150374352

Method for treating gastroesophageal reflex disease

There is provided a method of treating gastroesophageal reflux disease, which includes dissecting one of a mucosal layer and a submucosal layer of at least one of an esophagogastric junction and a stomach in a range less than an entire circumference of a circumferential direction so that moderate stenosis occurs due to cicatrization in an area in which one of the mucosal layer and the submucosal layer is dissected.. . ... Olympus Medical Systems Corp

11/19/15 / #20150327916

Treatment system and actuation method for treatment system

A treatment system includes a power source for heat generation which outputs power for heat generation, a grasping member having a heating element which applies the power for heat generation as thermal energy to a grasped living tissue and is disposed at a grasping surface, and a control section which repeats a first control mode of performing control such that the heating element reaches a first temperature and a second control mode of performing control such that the heating element becomes lower than the first temperature, and controls the power source for heat generation according to a temperature change parameter based on change in temperature of the heating element in the first control mode or the second control mode so as to end application of the thermal energy.. . ... Olympus Medical Systems Corp

09/24/15 / #20150265202

Method for collecting duodenal juice

A method for collecting duodenal juice containing bile under an endoscope is provided. In the method, an endoscope is inserted into a duodenum of a subject from which collection of duodenal juice is performed. ... Olympus Medical Systems Corp

09/24/15 / #20150265142

Endoscope

A holding frame made of a material to bear a greater shear stress than a distal end portion rigid portion (a distal end portion) is adhered and fixed to the distal end rigid portion in a state where one end face is exposed from an inclined surface, and an image guide and a light guide are held through the holding frame. In addition, a groove is provided on a side surface of the holding member and one end of the groove is exposed on a distal end face (the inclined surface) of the distal end rigid portion, to thereby realize downsizing of the distal end portion without lowering durability and improve repairability.. ... Olympus Medical Systems Corp

08/20/15 / #20150230799

Clip unit

A clip unit including: a clip main body having a first arm portion, a second arm portion, and a middle portion; a pressing tube formed in a tube shape to be capable of accommodating the clip main body, the pressing tube being provided to deform the clip main body so as to make a distal end of the first arm portion and a distal end of the second arm portion to approach to each other, as the middle portion, the first arm portion, and the second arm portion are moved toward a proximal end side of the clip unit; a locking portion configured to protrude from an inner circumferential surface of the pressing tube on the proximal end side of the pressing tube; and a first locked portion configured to protrude from a lateral surface of the first arm portion.. . ... Olympus Medical Systems Corp

08/20/15 / #20150230790

Suture device

A suture device is provided with a longitudinal member; a pair of grasping members; a suture needle; a power transmitting member; an opening-closing operating portion; a pair of needle locking portions having a first needle locking member and a second needle locking member and locking or releasing the suture needle to or from the pair of grasping members; a pair of wire members connected to the pair of needle locking portions; a needle locking and operating portion that operates the pair of wire members; a link member having a first end and a second end connected to the pair of wire members; and rotatable support portions that rotatably support the link member.. . ... Olympus Medical Systems Corp

07/30/15 / #20150208902

Introduction device

An introduction device applies urging force linearly generated by a spring to a nut portion screwed to a drive shaft to convert the urging force to the rotation direction of the drive shaft. This conversion returns an rl operation dial provided at the end of the drive shaft in a direction opposite to the rotation direction in which the rl operation dial is operated, and then returns the rl operation dial to an original neutral position.. ... Olympus Medical Systems Corp

07/23/15 / #20150201960

Ultrasonic treatment system

An ultrasonic treatment system includes a calculator calculating a relation between an amplitude of a vibrating body unit when an ultrasonic vibration is generated and an electric current to be supplied to an ultrasonic generator based on both an elapse of time and a number of thermal processes. The ultrasonic treatment system includes a current value setting section setting the electric current to an adaptive current value that brings the amplitude of the vibrating body unit to a target amplitude based on the relation between the amplitude of the vibrating body unit and the electric current calculated by the calculation section.. ... Olympus Medical Systems Corp

07/23/15 / #20150201842

Measurement probe and optical measurement system

A measurement probe includes a fiber configured to propagate light to irradiate a target to be measured and receive scattered light returned from the target to be measured, an immersion adjustment mechanism configured to communicate outside of the measurement probe with inside of the measurement probe and adjust entrance of liquid from the outside into the measurement probe, and an alteration mechanism configured to alter the fiber by the liquid that has entered into the measurement probe.. . ... Olympus Medical Systems Corp

07/16/15 / #20150196782

Ultrasonic probe and ultrasonic treatment device

An ultrasonic probe is provided with a first vibrating body including a first distal treatment section which vibrates at a predetermined frequency and with a first amplitude when the ultrasonic vibration is transmitted. The ultrasonic probe includes a second vibrating body extending in a same range as the first vibrating body in axially parallel directions parallel to a longitudinal axis and being discontinuous with the first vibrating body over an entire length in the axially parallel directions. ... Olympus Medical Systems Corp

07/16/15 / #20150196228

Endoscope system

An endoscope system includes: a position and posture calculating portion that estimates a position of a distal end and a longitudinal direction of a distal end portion; a condition determining portion that, based on the shape information at the position of the distal end that is estimated, determines whether or not an angle that a core line direction of the luminal organ and the longitudinal direction estimated by the position and posture calculating portion form is equal to or less than a predetermined threshold value; and a position and posture information recording portion that, when the angle that the core line direction and the longitudinal direction form is equal to or less than the predetermined threshold value, records information regarding the position and the longitudinal direction of the distal end.. . ... Olympus Medical Systems Corp

07/16/15 / #20150196191

Insertion device

An insertion device includes a movement section provided in an inserting section or an attachment unit attached to the inserting section, and moving to cause a propulsive force to act on the inserting section, a holdable grip provided to a proximal direction side with respect to the inserting section, and a driving source driven so as to generate a movement driving force to move the movement section. The insertion device includes a base member to which the grip is abutted, and a coupling member including a driving source-side abutting surface to which an outer peripheral surface of the driving source is abutted, and coupling the driving source to the base member.. ... Olympus Medical Systems Corp

07/09/15 / #20150190056

Optical measurement apparatus

An optical measurement apparatus according to the present invention includes: an irradiation fiber; a plurality of light receiving fibers; a light source unit that generates and outputs light to irradiate a biological tissue and supplies the light to the irradiation fiber; a measurement unit that has a plurality of measurement units and performs spectrometry on each returned light from the biological tissue, the returned light output by each of the light receiving fibers; and a control unit that causes a predetermined storage unit to store a measurement result by the measurement unit: and the control unit causes the storage unit to store a measurement result after each measurement unit starts measurement for characteristic value obtainment, the measurement result being data necessary to obtain a characteristic value of the biological tissue.. . ... Olympus Medical Systems Corp

07/09/15 / #20150190042

Endoscope apparatus

An endoscope apparatus includes an objective optical system that is provided at a distal end portion of an insertion portion of an endoscope which can be inserted into a body cavity of a subject; a temperature sensor unit that detects a temperature of the distal end portion; a heating unit that can generate heat for preventing fogging of the objective optical system; a timer that measures a time period during which the temperature of the distal end portion detected by the temperature sensor unit is equal to or lower than a predetermined temperature; and a control unit that performs control so as to cause the heating unit to generate the heat when the time period measured by the timer continues for a predetermined time period or longer.. . ... Olympus Medical Systems Corp

07/09/15 / #20150190039

Imaging module and endoscope device

An imaging module includes: a solid-state imaging element including a light receiving face for receiving light; a mounting substrate including a connection portion which is located inside an imaging element projection area that is a projection area where the solid-state imaging element is projected in an optical axis direction and which is connected to a back surface of the solid-state imaging element on a distal end side of the mounting substrate, the mounting substrate on a rear end side being extended in the optical axis direction; and a metallic reinforcing member that has a sleeve shape open at both ends and covers the solid-state imaging element and the connection portion of the mounting substrate along the optical axis direction in a state where an inner circumferential surface of the reinforcing member is away from the solid-state imaging element and the mounting substrate.. . ... Olympus Medical Systems Corp

07/02/15 / #20150187063

Medical device and method for operating the same

A medical device for acquiring a series of images in time sequence includes: a display unit; a feature information calculation unit that calculates feature information representing a feature of each of the series of images; a classification unit that classifies the series of images into groups in time sequence according to similarity between the images; a display area calculation unit that calculates a display area for each group, where the feature information of images in each of the groups is displayed, in a specified area on a screen of the display unit, based on the number of the groups; and a feature information display generation unit that arranges the feature information of images in each of the groups on the display area for each group, and generates a feature information display in which the display area for each group is arranged in time sequence in the specified area.. . ... Olympus Medical Systems Corp

07/02/15 / #20150182108

Distal end configuring member of medical instrument, endoscope cleaning sheath and endoscope system using the endoscope cleaning sheath

The invention is formed by including a proximal end portion having an inside diameter capable of receiving a member having a shape including a substantially circular outer circumferential portion and a convex portion formed at the outer circumferential portion as an outside diameter shape, and having an outside diameter formed into a shape substantially similar to the outside diameter shape, a distal end portion in a substantially cylindrical shape having an outside diameter that is equal to or larger than a maximum outside diameter of the proximal end portion, and a cutout portion that is formed in a site corresponding to the convex portion, and is in a shape which is cut out from the proximal end portion to the distal end portion.. . ... Olympus Medical Systems Corp

06/25/15 / #20150178919

Ultrasonic observation apparatus, method for operating ultrasonic observation apparatus, and computer-readable recording medium

An ultrasonic observation apparatus includes: a frequency analysis unit configured to analyze a frequency of a received ultrasonic wave to calculate a frequency spectrum; a feature-data extraction unit configured to approximate the frequency spectrum calculated by the frequency analysis unit to extract at least one piece of feature data from the frequency spectrum; and a feature-data image data generation unit configured to generate feature-data image data for displaying information corresponding to the feature data in accordance with one of a color display method in which hue varies depending on a value of the feature data, and a gray scale display method in which hue is constant regardless of the value of the feature data, depending on a relationship between the feature data extracted by the feature-data extraction unit and a threshold in the feature data, the threshold being constant regardless of a value of a display parameter of image data.. . ... Olympus Medical Systems Corp

06/25/15 / #20150173711

Ultrasound endoscope

An ultrasound endoscope includes an insertion portion, an ultrasound transducer provided at a distal end portion of the insertion portion, a first opening portion provided at a distal end portion of the insertion portion, a second opening portion and a raising stand provided at the distal end portion of the insertion portion. Furthermore, the raising stand includes a first contact portion that comes into contact with a treatment instrument protruding from the first opening portion for causing the treatment instrument to extend in a first direction and a second contact portion that comes into contact with a treatment instrument protruding from the second opening portion for causing the treatment instrument to extend in a second direction different from the first direction.. ... Olympus Medical Systems Corp

06/25/15 / #20150173597

Endoscope connection instrument and endoscope cleaning/disinfecting apparatus

A fitting pressing member includes: a first opening that opens inside a fitting of an endoscope; a second opening that is communicably connected to the first opening and is connectable to a fluid supply source; a cylindrical portion formed from the first opening to a predetermined position, the cylindrical portion covering a part of a hollow portion communicably connected to the first opening and the second opening; a narrowing portion including a side face whose outer diameter increases from the predetermined position toward the second opening, the narrowing portion covering the other part of the hollow portion; and a plurality of grooves formed over a predetermined area from the predetermined position in an outer surface of the narrowing portion.. . ... Olympus Medical Systems Corp

06/25/15 / #20150173595

Imaging apparatus

An imaging apparatus includes: an excitation light emission unit that irradiates a subject with excitation light for exciting a fluorescent substance introduced into the subject; a normal light emission unit that irradiates the subject with normal light including a visible wavelength range different from the excitation light; an imaging unit that forms an optical image of the subject irradiated with the excitation light or normal light on an imaging surface to generate an image signal; a brightness signal generation unit that generates a brightness signal indicating brightness, based on the image signal generated by the imaging unit under irradiation with the normal light; and an amplification unit that sets an amplification factor of the image signal to be generated by the imaging unit under irradiation with the excitation light, based on an amplification factor of the image signal according to the brightness signal generated by the brightness signal generation unit.. . ... Olympus Medical Systems Corp

06/25/15 / #20150173590

Ultrasound endoscope and ultrasound balloon for endoscope

An ultrasound endoscope includes an insertion portion that is inserted into a subject, an ultrasound transducer portion that is arranged at a distal end portion of the insertion portion and includes an ultrasound transmitting and receiving surface for transmitting and receiving ultrasound, a first balloon groove that is a groove formed between the insertion portion and the ultrasound transducer portion and is for locking a balloon that covers the ultrasound transmitting and receiving, a distal end face that is arranged on a distal end side with respect to the ultrasound transducer portion and is disposed spaced apart from the ultrasound transmitting and receiving surface, and a convex portion that is provided on the distal end face and on which stress concentrates when a finger is slid on the distal end face.. . ... Olympus Medical Systems Corp

06/18/15 / #20150164611

Medical support apparatus and operation method of medical support apparatus

A system controller determines whether a difference of recording times of two pieces of operation log data adjacent in time sequence has a time interval equal to or longer than a predetermined time period with respect to the operation log data including identification information, operation contents for respective apparatuses that are used at a time of the surgical operation, and a recording time, and when it is determined that the difference of the recording times of the two pieces of operation log data adjacent in time sequence has a time interval equal to or longer than a predetermined time period, the system controller groups a plurality of operation log data that continue in time sequence, with a difference of the recording times of the two pieces of operation log data adjacent in time sequence being shorter than the predetermined time period, as one scene.. . ... Olympus Medical Systems Corp

06/18/15 / #20150164306

Bending apparatus

A bending apparatus includes: a bending portion; an operation element erected vertically from an operation portion having a longitudinal axis and has a shaft portion in which a tilt direction and tilt angle are changeable; a pulling member having one end connected to the bending portion; a pulley on which a rotary body around which the pulling member is wound is arranged; a motor that generates a driving force that rotates the pulley to pull the pulling member wound around the rotary body in a winding direction; a hanging frame that extends in a diameter direction of the shaft portion, and includes an attachment portion to which the other end of the pulling member is attached; and an attachment path setting member provided inside the operation portion, which changes a path of the pulling to the longitudinal axis direction and guides the pulling member to the attachment portion.. . ... Olympus Medical Systems Corp

06/18/15 / #20150164304

Endoscope

An endoscope includes an insertion portion, a flexible member, a connecting member the proximal end side portion of which is fixed to the distal end side of the flexible member, an outer sheath, a first filling agent that is applied on the outer circumference side of the flexible member in such a manner as to come into contact with at least the distal end side of the outer sheath, an annular member that covers at least the outer circumference of the first filling agent, a protruding portion, and a second filling agent that is applied so as to continuously cover at least the outer circumference of the annular member and the outer circumference on the distal end side of the outer sheath.. . ... Olympus Medical Systems Corp

06/18/15 / #20150164303

Rotary unit and insertion device

A rotary unit includes a first taper tubular portion which is contiguous to a first axial direction side of a unit main body portion and in which a first unit end of the rotary unit is positioned, an outer diameter of the first taper tubular portion becoming smaller toward the first axial direction. The rotary unit includes a first projecting portion extended on an outer peripheral portion of the first taper tubular portion with projecting toward an outer peripheral direction and wound toward a first around-axis direction as the first projecting portion extends from the first axial direction toward a second axial direction.. ... Olympus Medical Systems Corp

06/11/15 / #20150157189

Endoscope

An endoscope includes: an insertion portion in which a distal end portion and a bending portion that is bendable in a desired direction are arranged; and an inclined face that is formed in the distal end portion, the inclined face being formed so as to inclinedly intersect with a distal end face of the distal end portion and also a side face adjoining the distal end face, a ridge line formed intersecting with the distal end face and a direction in which the bending portion bends being formed substantially orthogonal to each other, wherein, by contacting against an inner wall of a curved portion of a duct into which the insertion portion is inserted, the inclined face varies a posture thereof so that the insertion portion is rotated and a bending direction of the bending portion matches a curving direction of the curved portion.. . ... Olympus Medical Systems Corp

06/04/15 / #20150150620

Tissue resection apparatus

A tissue resection apparatus includes a pair of grasping members that holds a tissue; and a cartridge that is replaceably attached to the pair of grasping members. The cartridge includes a cartridge body that has a longitudinal axis and a slot extending along the longitudinal axis, guides a cutting member cutting a tissue by the slot, and defines a movement range of the cutting member; a pair of sealing portions that are provided on both sides of the slot so as to sandwich the slot and extend parallel to the slot, respectively; and a tissue sealing portion that is located closer to a distal end side than the slot and is provided on an extension line of the slot.. ... Olympus Medical Systems Corp

06/04/15 / #20150150437

Capsule endoscope system, operating method of image display, and computer-readable recording medium

A capsule endoscope system includes: a capsule endoscope including a first and a second imaging units; an image display that displays images captured by the first and second imaging units; a control unit that determines a moving direction of the capsule endoscope during imaging, specifies one of the imaging units which faces the moving direction of the capsule endoscope during imaging, and determines the posture of the capsule endoscope; and a display control unit that generates a display screen, arranges the image captured by the imaging unit facing the moving direction in a first display region in the display screen, arranges the image captured by the other imaging unit in a second display region in the display screen, and changes the positions of the first and second display regions according to the determination result of the position of the capsule endoscope.. . ... Olympus Medical Systems Corp

05/28/15 / #20150148803

Treatment device for endoscope

A treatment device for an endoscope includes a pair of forceps pieces which has forceps surfaces in contact with a subject tissue and are opened and closed with the forceps surfaces facing each other. Concave portions are formed in the central portions of the forceps surfaces to form the forceps surfaces around the concave portions, and on the forceps surfaces, a first region on the proximal end side of the forceps pieces has a plurality of first teeth with top surfaces formed to be unsharp, and a second region on the distal end side of the forceps pieces to the first region has a plurality of second teeth with top surfaces formed to be sharp.. ... Olympus Medical Systems Corp

05/28/15 / #20150148607

Driving force transmitting unit, insertion instrument, rotary unit, insertion body assembly, and insertion device

A driving force transmitting unit includes a line portion extending along a driving axis in a channel, and a slider portion attached to a proximal portion of the line portion and movable relative to the line portion along the driving axis. The driving force transmitting unit includes an urging portion contracting in response to a movement of the slider portion relative to the line portion toward a distal direction and thereby applying an urging force toward the distal direction to the line portion.. ... Olympus Medical Systems Corp

05/28/15 / #20150145979

Radio communication system and communication method

A radio communication system, which includes a transmission apparatus that transmits a video signal and a plurality of reception apparatuses that receive the video signal, includes: a storage section that stores information for identifying that a priority related to transmission of the video signal to each of the plurality of reception apparatuses is either a first priority or a second priority lower than the first priority; an error detection section that detects a presence or absence of occurrence of a communication error related to transmission/reception of the video signal; a determination section that determines whether there is a reception apparatus of the first priority among the reception apparatuses in which the communication error is occurring; and a control section that retransmits the video signal only when there is a reception apparatus of the first priority among the reception apparatuses in which the communication error is occurring.. . ... Olympus Medical Systems Corp

05/21/15 / #20150141758

Light source system

A light source system includes an endoscope having an illumination section and an illumination control section connected to the endoscope and provided with a drive circuit that generates drive pulses for driving the light source, the light source system including: a type information generating section that generates type information regarding the endoscope; a signal generating section generates a signal indicative of a duty ratio of the drive pulses which is permitted to the illumination section; a light adjusting section that outputs light-adjusted drive pulses having a duty ratio not greater than a permissible duty ratio based on the type information and a limiting section that limits the light-adjusted drive pulses to have a duty ratio not greater than a duty ratio based on the signal from the signal generating section, and provides limited pulses to the drive circuit.. . ... Olympus Medical Systems Corp

05/07/15 / #20150127038

Surgical system

A surgical system has an ultrasound treatment instrument having an ultrasound transducer, a power supply apparatus to which the ultrasound treatment instrument is detachably connected, an energy supply section that supplies drive energy to the ultrasound transducer, a clock that measures a present time, a time updating section that outputs the present time, a storage section that stores a final updated time that is updated finally in the present time, and a number of times of use, a time period calculation section that calculates a non-connection time period of the ultrasound treatment instrument to the power supply apparatus, and a processing section that performs processing of generating an update signal that causes the number of times of use to be updated in accordance with a determination result with respect to the non-connection time period and a result of determination with respect to a parameter.. . ... Olympus Medical Systems Corp

05/07/15 / #20150126994

Puncture tool and ultrasound endoscope

A puncture tool includes: a needle tube internally including a channel; an opening portion arranged at a proximal end portion of a needle tube turning operation portion; a conical shape portion to be punctured into a subject, the conical shape portion being arranged at a distal end portion of the needle tube; an opening portion arranged on a proximal end side of the conical shape portion and communicating with the channel; a blade capable of being inserted through the channel of the needle tube and capable of causing a cutting portion to project from the opening portion when being inserted through the channel; and a connector for electrically connecting the conical shape portion and a high frequency power supply device.. . ... Olympus Medical Systems Corp

05/07/15 / #20150126866

Ultrasound observation system and operation method of ultrasound observation system

An ultrasound observation system includes: an ultrasound transducer that transmits ultrasound to a subject and receives ultrasound from the subject and generates an ultrasound signal; a displacement measurement circuit for elasticity image generation that measures a displacement of the subject based on the ultrasound signal; an elasticity modulus calculation circuit that calculates an elasticity modulus of the subject based on the measured displacement; a first automatic pressurization mechanism that generates a pressurization displacement in the subject; a signal waveform analysis circuit that analyzes a periodic motion based on a waveform of a signal that is based on a spontaneous displacement of the subject; and a pressurization mechanism control circuit that controls the first automatic pressurization mechanism so as to generate a pressurization displacement that reduces an influence of the spontaneous displacement of the subject at a time that an elasticity modulus is calculated based on the signal waveform analysis result.. . ... Olympus Medical Systems Corp

05/07/15 / #20150125350

Endoscope cleaning/disinfecting apparatus

Endoscope connection portions, a fluid feeding duct, a liquid supply duct, a pump, a first atmospheric exposure duct including one end connected to the fluid feeding duct and the other end exposed to atmosphere, a relief valve disposed at an intermediate position of the first atmospheric exposure duct, a first stop section disposed at an intermediate position of the first atmospheric exposure duct, and a control section that performs control to supply a liquid to ducts of endoscopes and controls at least opening/closing operation of the first stop section are included.. . ... Olympus Medical Systems Corp

04/30/15 / #20150119762

Ultrasonic vibration treatment device

A treatment device is constituted of: an ultrasonic vibration element unit; a probe unit that can be attached or detached by rotating the ultrasonic vibration element unit, transmits ultrasonic vibration generated by the ultrasonic vibration element unit to a distal end side, and gives a treatment; a handle unit that has the probe unit penetrating therethrough and is configured to hold the probe unit so that its distal end extends; and a protruding portion provided to prevent the probe unit and the handle unit from relatively revolving around an axis of the probe, the handle unit including the probe unit that transmits the ultrasonic vibration and being attachable to/detachable from the ultrasonic vibration element unit.. . ... Olympus Medical Systems Corp

04/30/15 / #20150119761

Treatment device

A treatment device includes a treatment portion, a transmission portion and a moment shift portion. The treatment portion transmits ultrasonic vibration. ... Olympus Medical Systems Corp

04/30/15 / #20150119641

Advance and retreat assist tool for endoscopic treatment instrument

An advance and retreat assist tool includes a base unit, an attachment portion which attaches the base unit to a treatment instrument insertion portion, a tubular member provided to advance and retreat relative to the base unit coaxially with a central axis of a hole portion and a fixing portion which fixes an endoscopic treatment instrument to the tubular member. The advance and retreat assist tool further includes a rotary portion which has an axis different from an axis of the tubular member and which rotates around the axis, and an advance and retreat mechanism.. ... Olympus Medical Systems Corp

04/30/15 / #20150116561

Image pickup system

An image pickup system includes: an image sensor that performs a rolling-shutter image pickup operation; a generator; an adding section that adds image pickup signals from an image pickup signal in a predetermined frame to an image pickup signal in an nth frame, with the predetermined frame being set as a first frame; a light source; a signal output section that outputs a signal representing either a timing of start of readout of a first line in the predetermined frame or a timing of completion of readout of a last line in a frame immediately before the predetermined frame; and a light source control section that starts light emission after an input of the signal and terminates light emission in a period after completion of readout of a first line in an n-1th frame until before a start of a first line in the nth frame.. . ... Olympus Medical Systems Corp

04/23/15 / #20150112139

Endoscope

An endoscope including an operation portion, an insertion portion pivotable relative to the operation portion, and a rotation knob to pivot the insertion portion about an axis of the insertion portion, includes: an insertion portion neutral position indicating portion, provided on an outer circumferential face of the rotation knob, configured to indicate a neutral position; and an indication ring, provided at the operation portion configured to include an operation portion neutral position indicating portion linearly aligned with the insertion portion neutral position indicating portion in an axis direction and indicating that the insertion portion is positioned at a neutral position, and two rotational angle indicating portions provided so as to be apart from the operation portion neutral position indicating portion in a circumferential direction, each of the two rotational angle indicating portions indicating rotation of the insertion portion.. . ... Olympus Medical Systems Corp

04/23/15 / #20150112131

Adapter for endoscope and endoscope

An adaptor for an endoscope includes: an endoscope attachment portion; a duct body that communicates with a treatment instrument insertion port of the endoscope; a duct member; a water feeding duct cover including an insulating member, the water feeding duct cover covering at least a part of an outer surface of the duct member and including an extension portion that spreads toward a proximal end side; and a duct body cover including an insulating member, the duct body cover covering at least a part of an outer surface of the duct body, and covering the extension portion of the water feeding duct cover so as to prevent the water feeding duct cover from moving to a distal end side of the duct member and coming off.. . ... Olympus Medical Systems Corp

04/16/15 / #20150105769

Method for endoscopic treatment

. . A method for endoscopic treatment that performs treatment on a subject under an endoscope includes irradiating the subject with white light, performing predetermined treatment on a living tissue of the subject after irradiation with the white light, and switching from irradiation with the white light to irradiation of the subject with narrow band light having a predetermined peak wavelength according to a condition of bleeding from the living tissue in the predetermined treatment.. . ... Olympus Medical Systems Corp

04/16/15 / #20150105758

Method for endoscopic treatment

A method for endoscopic treatment that performs treatment under an endoscope includes irradiating a subject with first narrow band light having a predetermined peak wavelength, performing mucosal incision on a living tissue after irradiation with the first narrow band light, radiating second narrow band light having a peak wavelength in spectral characteristics in a wavelength band closer to a long wavelength side than the first narrow band light after the mucosal incision, and performing treatment other than the mucosal incision on the living tissue after radiation of the second narrow band light.. . ... Olympus Medical Systems Corp

04/16/15 / #20150105692

Treatment device for endoscope

An endoscopic treatment device includes: an elongated needle pipe having flexibility; a hollow shape section having an inner cavity formed in a distal end section of the needle pipe, and a side hole formed on an outer side surface of the needle pipe and communicating with the inner cavity; a piercing section provided closer to a distal end side of the needle pipe than the hollow shape section and formed with a pointed tip; a collection member including a cutting edge section having a pointed shape toward a radial outer direction of the needle pipe and protruding and retracting between a position where the cutting edge section is housed in the hollow shape section and a position where the cutting edge section protrudes from the side hole; and an operating member advanceable and retractable relative to the needle pipe and including a distal end portion connected to the collection member.. . ... Olympus Medical Systems Corp

04/16/15 / #20150105616

Endoscope apparatus for outputting signals corresponding to first and second narrowband wavelength bands

An endoscope apparatus includes: a light source device radiating at least one or more illumination lights having a predetermined wavelength band to a subject; a ccd picking up an image of a return light from the subject based on radiation of the illumination light from the light source device; an image processing section outputting a first image signal of a first wavelength band having a peak wavelength of spectral characteristic, between a wavelength band including a maximum value and a wavelength band at a minimum value with regard to an absorption characteristic of living tissue, after image pickup by the ccd; and an observation monitor performing image display on the basis of the first image signal.. . ... Olympus Medical Systems Corp

04/16/15 / #20150105614

Method for endoscopic treatment

A method for endoscopic treatment that performs treatment on a subject under an endoscope includes irradiating the subject with white light, switching, after irradiation with the white light, to irradiation of a living tissue of the subject with band-limited light having a predetermined peak wavelength, and administering medicine to the subject after irradiation with the band-limited light.. . ... Olympus Medical Systems Corp

04/02/15 / #20150094655

Endoscope

An endoscope includes: an insertion portion; a bending portion provided in the insertion portion; an operation portion connected to the insertion portion; a grasp-assistance portion provided on the operation portion, a bending operation knob provided on one side face of the operation portion and rotating centering on a rotation axis; a plurality of function switches that are provided on a face different from the one side face, and each upper-side side face protrudes further than an outermost diametrical path of the bending operation knob; and a switch root portion constituting a root portion of a function switch disposed at a position on the distal-most end side among the plurality of function switches, and disposed further on the proximal end side than an intersection point on the distal end side among two intersection points at which the outermost diametrical path and a switch-disposing face intersect.. . ... Olympus Medical Systems Corp

04/02/15 / #20150094614

Biopsy instrument

A biopsy instrument including: a needle pipe formed in a tubular shape having a convex section, the convex section having an end section, the convex section being provided at a distal end section of the needle pipe; a distal end tip provided so as to be capable of moving longitudinally with respect to the needle pipe; a manipulation member connected to the distal end tip, the manipulation member being disposed in the needle pipe; and a circumferential edge provided at each of a proximal end side of the distal end tip and a distal end side of the needle pipe; wherein an interior of the distal end tip and an interior of the needle pipe define a cavity to capture a target tissue when the distal end tip is retracted towards the needle pipe.. . ... Olympus Medical Systems Corp

04/02/15 / #20150094535

Rotary self-advancing endoscope system, program, and method for driving rotary self-advancing endoscope system

A rotary self-advancing endoscope system which produces propulsion by rotating, with a motor, a rotating cylindrical body provided on an outer periphery side of an insertion portion main body and causes the insertion portion main body to move forward into an examinee's body, wherein the system is configured to periodically repeating a combination of a state in which the rotating cylindrical body forward-rotates at a predetermined rpm and a state in which the rotating cylindrical body is stopped from rotating and releases accumulated elastic energy and, when a drive current to the motor has reached a predetermined threshold value, reverse-rotate the motor.. . ... Olympus Medical Systems Corp

03/26/15 / #20150087994

Biopsy system

. . In the biopsy system according to one embodiment, the needle tube of the treatment tool has the minor axis of the flattened portion and the bending plane of the bending portion parallel to each other. Accordingly, the needle tube is easily bent in the bending direction of the bending portion, and even in an endoscope that has few bendable directions and is bendable, for example, in only two directions (e.g., up and down), the bending operation of the bending portion is not easily hindered. ... Olympus Medical Systems Corp

03/26/15 / #20150087910

Endoscope

An endoscope includes an insertion portion, a first bending portion, a second bending portion, a bending operation wire, a first coil sheath, a switching mechanism, a guide, a first region of the guide, a second region of the guide, and a central part formed between the first region and the second region on an inner surface of the guide, protruding inside more than the first region and the second region and formed to be longer than a coil elemental wire making up the first coil sheath.. . ... Olympus Medical Systems Corp

03/26/15 / #20150087904

Endoscope

An endoscope includes a heat influence reducing portion that radiates heat, which is generated with light guiding of a light guide portion via a position near a second lens and conducted to the second lens, to a frame member to reduce a local temperature difference in the second lens in a projecting portion in which a first lens of a front observation window through which an inserting direction for insertion into a lumen is observed and the second lens having a truncated conical shape used for observing a viewing field region of a side observation window through which a direction crossing the inserting direction is observed are arranged.. . ... Olympus Medical Systems Corp

03/26/15 / #20150085081

Medical three-dimensional observation apparatus

A medical three-dimensional observation apparatus includes at least a pair of imaging units, a three-dimensional image processing unit, a calculating unit, and an index superimposing unit. The imaging units image a .specimen from different viewpoints. ... Olympus Medical Systems Corp

03/26/15 / #20150085074

Stereoscopic endoscope system

A stereoscopic endoscope system includes: a corresponding point detection section that detects a position of an object in each of an image for the right eye and an image for the left eye based on right and left video signals; a horizontal position moving section that moves, based on a parallax between the image for the right eye and the image for the left eye and depth information of a stereoscopic video which are obtained from the detected positions, horizontal positions of the right and left video signals, by an amount of the parallax, respectively in directions determined according to the depth information; a vertical/horizontal inversion section that vertically and horizontally inverts the right and left video signals whose horizontal positions have been moved; and a stereoscopic signal combining section that combines the right and left video signals subjected to the vertical/horizontal inversion, and generates a stereoscopic video signal.. . ... Olympus Medical Systems Corp

03/19/15 / #20150080927

Ultrasonic transmitting unit

An ultrasonic transmitting unit includes a first vibrating section and second vibrating section vibrating at the same predetermined frequency with respect to each other. The ultrasonic transmitting unit includes a relay portion transmitting the ultrasonic vibration toward a first transmitting direction from the first vibrating section to the second vibrating section and positioned at a position corresponding to one of an antinode position of the vibration in the first vibrating section and different from an antinode position and a node position of the vibration in the second vibrating section, and a non-contact vibrating portion extending in a second vibrating section from the relay portion toward a second transmitting direction without contact with the first vibrating section.. ... Olympus Medical Systems Corp

03/19/15 / #20150080887

Surgical device using energy

A surgical device configured to apply energy to a biological tissue as a treatment target, and treat the biological tissue, includes: first and second jaws relatively openable/closable to each other to enable holding the biological tissue including the treatment target and its surrounding tissue; a pair of first holding sections provided respectively on inner sides of outer edges of the first and second jaws, and configured to hold the biological tissue; an energy discharge section provided on at least one of the pair of first holding sections, and configured to give energy for a treatment to the biological tissue; and a pair of second holding sections which are provided respectively between the first holding sections and the outer edges of the first and second jaws, and configured to hold the surrounding tissue of the biological tissue while bending the surrounding tissue with respect to the biological tissue.. . ... Olympus Medical Systems Corp

03/12/15 / #20150073525

Stent delivery system

A stent delivery system for delivering a stent, the stent delivery system having a push catheter, a guide member, and an elongated stent securing material having a first portion arranged to a push catheter outer surface, a second portion, a third portion, and a fourth portion arranged to the push catheter outer surface, in that order. The first portion and the fourth portion are arranged to the push catheter outer surface such that only one of the first portion and the fourth portion is present on a cross-section plane orthogonal to the longitudinal axis. ... Olympus Medical Systems Corp

03/12/15 / #20150073218

Endoscopic device including cleaning mechanism

In a cleaning mechanism provided in an insertion section of an endoscopic device, two straight lateral faces obliquely and straightly extending toward the center side of a cylindrical lens are joined to a laterally circumferential face, a pedestal section inside which a liquid-sending route of a cleaning liquid, and a gas-sending route are internally provided is arranged, and an angle which a gushing direction of the cleaning liquid gushed from each of wash nozzles provided on the lateral faces toward the laterally circumferential face forms with a perpendicular line passing through the center of the cylindrical lens is an acute angle, the gushed cleaning liquid intersecting the perpendicular line.. . ... Olympus Medical Systems Corp

03/05/15 / #20150065801

Guidance device

A guidance device applies a magnetic field to a capsule medical apparatus within which a first permanent magnet is arranged when the capsule medical apparatus is introduced into a subject, to guide the capsule medical apparatus within the subject. The guidance device includes a second permanent magnet that is configured to be disposed outside the subject and has a rectangular parallelepiped shape or a polygonal column shape, the second permanent magnet having a first plane containing a magnetization direction and a first direction orthogonal to the magnetization direction, and being configured to confine the capsule medical apparatus within a region facing the first plane. ... Olympus Medical Systems Corp

02/26/15 / #20150057704

Closure device

A closure device includes a protruding member that is detachably provided at a distal end of a longitudinal member; a pair of grasping members that are turnable with respect to the protruding member; first and second linear members that are connected to the pair of grasping members; and a holding portion that has an action portion for applying a force in a direction in which the pair of grasping members approach the protruding member and is detachably provided at a distal end of the longitudinal member.. . ... Olympus Medical Systems Corp

02/26/15 / #20150057577

Ultrasonic transmitting unit

An ultrasonic transmitting unit includes a first vibrating section and a second vibrating section vibrating at the same predetermined frequency with respect to each other. The ultrasonic transmitting unit includes a relay portion transmitting an ultrasonic vibration from the first vibrating section to the second vibrating section and positioned at a position corresponding to one of an antinode position of the vibration in the first vibrating section and a position different from an antinode position and a node position of the vibration in the second vibrating section, and a non-contact vibrating portion extending in the second vibrating section from the relay portion toward a first vibrating section side with being not in contact with the first vibrating section.. ... Olympus Medical Systems Corp

02/26/15 / #20150057498

Endoscope system

An endoscope system includes: an image storage section that stores image information associated with position information of a luminal organ of a subject; a virtual endoscopic image generating section that generates a virtual endoscopic image endoscopically depicted; an image pickup section that picks up an image in the luminal organ; a position registration processing section that compares the virtual endoscopic image and an endoscopic image, and extracts an virtual endoscopic image similar to the endoscopic image; a position estimation section that estimates a distal end position of an endoscope insertion portion; a feature region determination section that determines whether or not the distal end position exists in a feature region; a storage section that stores information for presentation; and a candidate information presentation control section that presents the virtual endoscopic image based on the information in the storage section, to a display section as candidate information.. . ... Olympus Medical Systems Corp

02/26/15 / #20150057497

Activation device

An activation device activates a capsule medical device that has a first coil inside and is activated when voltage not less than a first specified value or current not less than a second specified value is generated in the first coil. The activation device includes: a case; a second coil that is provided in the case and is configured to generate a magnetic field when current flows through the second coil; and a guide portion for guiding to a position that is located outside the case and that is a position of the capsule medical device where the capsule medical device can be activated based on the magnetic field generated by the second coil. ... Olympus Medical Systems Corp

02/26/15 / #20150054929

Endoscope system

An endoscope system includes: a virtual endoscopic image generating section that generates a virtual endoscopic image; an image pickup section picking up an image of an inside of the lumen; a position information obtaining section that obtains information on a position of a distal end of an insertion portion of an endoscope; a distance calculating section that calculates a distance from the obtained position of the distal end of the insertion portion to a feature region; a distance comparing section that determines whether or not the calculated distance is within a set distance via comparison; a variation amount detecting section that detects a variation amount of a feature of a structure of an organ in the picked-up endoscopic image; and an information recording section that records the position of the distal end of the insertion portion based on a result of the comparison by the distance comparing section.. . ... Olympus Medical Systems Corp

02/26/15 / #20150054445

Electric endoscope

An electric endoscope includes a motor that generates a rotational driving force, a torque shaft that transmits the rotational driving force from a proximal end portion to a distal end portion, a connecting section for bending a bending portion by the rotational driving force transmitted by the torque shaft, an input section that instructs a target rotation amount of the motor, a detecting section that detects rotation information of the motor in a rotating state thereof, an estimating section that estimates a rotation state of the motor based on the rotation information, a motor physical model, a torque shaft physical model and a connecting section physical model, and a control section that performs control so that the rotation state of the distal end portion matches with a rotation state of the target rotation amount based on the estimated rotation state of the motor.. . ... Olympus Medical Systems Corp

02/19/15 / #20150051516

Treatment instrument using ultrasonic vibrations

In a treatment instrument, a load force center of a load force, which is a sum of gravity acting on the treatment instrument and an external force caused by a connected cable, is positioned between two support members of a handle section, and a location of introduction of the cable is disposed in a manner to extend therebetween. In the treatment instrument, an ultrasonic vibration element unit is attached and rotatably coupled to a handle unit, a power receiving section or a power supply section at the coupling constitutes a rotary electrode structure by a cylindrical electrode and a terminal electrode, and power from an outside is received and transmitted between the handle unit and the ultrasonic vibration element unit.. ... Olympus Medical Systems Corp

02/12/15 / #20150045701

Ultrasonic actuated unit and ultrasonic treatment device

. . An ultrasonic actuated unit includes an intermediary portion continuous with an ultrasonic transmitting portion or connected to the ultrasonic transmitting portion at a node position of a longitudinal vibration, and a noncontact vibrating portion extending in directions parallel to a longitudinal axis without contacting the ultrasonic transmitting portion, an imprecise vibration being transmitted to the noncontact vibrating portion from the ultrasonic transmitting portion via the intermediary portion. The ultrasonic actuated unit includes a vibration absorbing portion absorbing the imprecise vibration transmitted to the noncontact vibrating portion.. ... Olympus Medical Systems Corp

02/12/15 / #20150045621

Insertion device

An insertion device includes a first rotating member, and a second rotating member coaxially arranged with a rotational axis of the first rotating member and rotating about the rotational axis to bend a bending section. The insertion device includes a moving member arranged inside the first rotating member and the second rotating member along the rotational axis and being movable between a state where an electrical driving force is transmitted to the second rotating member and a state where the electrical driving force is not transmitted to the second rotating member.. ... Olympus Medical Systems Corp

02/12/15 / #20150045618

Advance and retreat assist tool for endoscopic treatment instrument

An advance and retreat assist tool includes a base unit, an attachment portion which attaches the base unit to a treatment instrument insertion portion so that the base unit is rotatable around a central axis of a treatment instrument insertion hole portion, and a first tubular member. The advance and retreat assist tool further includes a rotary portion and an advance and retreat mechanism.. ... Olympus Medical Systems Corp

02/12/15 / #20150045617

Advance and retreat assist tool for endoscopic treatment instrument

An advance and retreat assist tool includes a base unit, a first tubular member, a rotary portion and an advance and retreat mechanism. The advance and retreat assist tool further includes a hinge mechanism which switches to either a coaxial condition or a slanted condition.. ... Olympus Medical Systems Corp

02/05/15 / #20150038843

Method of transurethral local anesthesia

A method of transurethral local anesthesia includes: a step i of inserting a flexible ultrasound endoscope having a treatment instrument channel into a urethra or a urinary bladder; a step ii of identifying a region to be anesthetized by ultrasound observation using the ultrasound endoscope; a step iii of leading an injection needle out from the treatment instrument channel and injecting an anesthetic drug into the region to be anesthetized while performing ultrasound observation using the ultrasound endoscope; a step iv of extracting the ultrasound endoscope from the urethra; and a step v of inserting, after the step iv, an endoscope and/or a treatment instrument into the urethra or the urinary bladder and performing transurethral treatment.. . ... Olympus Medical Systems Corp

02/05/15 / #20150038786

Scanning endoscope system

A scanning endoscope system includes: a fiber that guides illuminating light emitted from a light source; a first actuator provided on a side of the fiber, the first actuator expanding/contracting according to an applied voltage, thereby swinging the fiber; a second actuator disposed at a position facing the first actuator across the fiber, the second actuator expanding/contracting according to an applied voltage, thereby swinging the fiber; and a drive signal output section that applies a first drive signal that varies with reference to a first voltage that brings the first actuator into a contracted state to the first actuator and applies a second drive signal that varies with reference to a second voltage that brings the second actuator into a contracted state to the second actuator.. . ... Olympus Medical Systems Corp

01/29/15 / #20150032119

Endoscopic device

An endoscopic device includes a longitudinal member, a pair of jaws installed at a distal end of the longitudinal member and configured to be freely opened and closed, a first grasping member supported by a first jaw of the pair of jaws, a second grasping member supported by a second jaw of the pair of jaws, the second body having a wire shape, flexibility, and being curved in a loop shape, a long operating transmission member having a distal end portion connected to the pair of jaws and installed to advance and retreat along a longitudinal axis of the longitudinal member, and an open-close operating portion installed at a proximal end portion of the operating transmission member and configured to be manipulated to open and close the pair of jaws.. . ... Olympus Medical Systems Corp

01/29/15 / #20150031954

Capsule endoscope apparatus and receiving apparatus

A capsule endoscope apparatus that is configured to be introduced into a subject to acquire information on an inside of the subject and to wirelessly communicate with a receiving apparatus provided outside the capsule endoscope apparatus. The capsule endoscope apparatus includes: an imaging unit configured to capture images of the subject and generate image data of the inside of the subject; a transmission unit configured to transmit a wireless signal including the image data, outside the capsule endoscope apparatus; a receiving unit configured to receive a control signal for instructing an operation of the capsule endoscope apparatus, the control signal having been transmitted from the receiving apparatus; and a capsule controller configured to activate the receiving unit in synchronization with a transmission timing when the transmission unit transmits the wireless signal.. ... Olympus Medical Systems Corp

01/29/15 / #20150031947

Endoscope

An endoscope includes: an insertion portion; an objective optical system; a treatment instrument raising base; and a restricting portion that restricts an angle at which the treatment instrument protrudes outside the insertion portion, wherein a straight line connecting the treatment instrument raising base and the objective optical system is substantially parallel to a longitudinal axis of the insertion portion, and the restricting portion is located on a line segment connecting the treatment instrument raising base and the objective optical system when the objective optical system is viewed from right in front, the restricting portion includes a restricting surface, and when the treatment instrument raising base is maximally inclined, an angle of a central axis of the treatment instrument with respect to the longitudinal axis which the insertion portion is inserted is equal to or smaller than an angle of the restricting surface with respect to the longitudinal axis.. . ... Olympus Medical Systems Corp

01/29/15 / #20150029821

Ultrasonic observation apparatus, operation method of the same, and computer readable recording medium

An ultrasonic observation apparatus includes: a first conversion unit that converts an ultrasonic signal as a time domain signal reflected from a specimen into a frequency domain signal; a regression analysis unit that calculates a regression expression for the frequency domain signal; an attenuation correction coefficient calculation unit that calculates an attenuation correction coefficient which is obtained by dividing a difference between first-order coefficients in the regression expressions at two points having different reception depths by a difference between the reception depths at the two points; an attenuation correction processing unit that performs attenuation correction processing on the frequency domain signal based on the attenuation correction coefficient; a second conversion unit that converts the frequency domain signal after the attenuation correction processing, into a second time domain signal; and an image data generation unit that generates ultrasonic image data based on the second time domain signal.. . ... Olympus Medical Systems Corp

01/29/15 / #20150029376

Solid-state image pickup apparatus

A solid-state image pickup apparatus includes: two-dimensionally arrayed unit pixels, each including a pd performing optical-electrical conversion of an incident light; an fd and an output terminal provided for each of pixel groups, each including one or more pixels, the terminal being capable of outputting a noise signal and a signal-noise sum signal separately; first lines to which the terminals are connected in common and which are capable of holding voltages based on signals outputted from the terminals; second lines provided in parallel with the first lines and capable of holding a voltage; inter-transfer-line capacitive elements connecting the second lines and the first lines; a reset switch resetting each of the second lines to a reset voltage; a readout switch provided for each of the second lines; and a third line to which the second lines are connected in parallel via the readout switches, respectively.. . ... Olympus Medical Systems Corp

01/29/15 / #20150029375

Solid-state image pickup apparatus

A solid-state image pickup apparatus including: two-dimensionally arrayed unit pixels, each including a pd performing optical-electrical conversion of an incident light; an fd and two output terminals provided for each of pixel groups, each including one or more unit pixels, the two output terminals being capable of outputting a noise signal and a signal-noise sum signal separately; first and second transfer lines to which the output terminals are connected in common and which are capable of holding noise signal voltage and signal-noise sum signal voltage, respectively; first switches arranged between the output terminals and the first transfer lines; second switches arranged between the output terminals and the second transfer lines; third and fourth switches provided for the transfer lines, respectively; and third and fourth transfer lines to which the transfer lines are connected in parallel via third and fourth switches, respectively.. . ... Olympus Medical Systems Corp

01/29/15 / #20150026939

Manufacturing method of ultrasonic generating device and assemblying system of ultrasonic generating device

A manufacturing method of an ultrasonic generating device includes applying a compressive force to an attachment unit toward a first axial direction while a first end of a bolt-shaped member is a free end and the second end thereof is fixed, and thereby generating a first elastic force in the attachment unit. The manufacturing method includes attaching a fastening member to a bar portion of the bolt-shaped member in a balanced condition in which a second elastic force of the bolt-shaped member and the first elastic force are in balance, and thereby maintaining the balanced condition.. ... Olympus Medical Systems Corp

01/22/15 / #20150025517

Probe and treatment instrument including probe

A probe treating a living tissue in cooperation with a jaw pivoting on a supporting point includes a treatment portion including a proximal end to which ultrasonic vibration generated from an ultrasonic transducer unit is transmitted; a distal end to which the ultrasonic vibration is transmitted from the proximal end; a holding surface holding the living tissue between the holding surface and the jaw; a back surface serving as a rear surface of the holding surface; a side surface extending from the proximal end to the distal end and being different from the holding surface; and a stress release portion provided between the distal end and the proximal end and on the side surface and releasing stress to stop development of a crack when the crack is produced in the holding surface or the back surface by external forces applied during the treatment of the living tissue.. . ... Olympus Medical Systems Corp

01/22/15 / #20150025319

Bending angle adjustment mechanism for endoscope and endoscope having the bending angle adjustment mechanism

A bending angle adjustment mechanism for an endoscope includes a rod member that is disposed along a traveling path of a long member that is connected to a bending portion that is bendable and is pulled, a support member made of metal that is integrally provided to support both ends of the rod member, an adjustment piece that is engaged with the rod member, is movable along the rod member, and restricts movement of the long member, a guide member made of resin having a guide surface for guiding movement of the adjustment piece, wherein the guide member is fixed in a state in which the guide member is sandwiched between the adjustment piece and the support member so that the guide surface is disposed in a position capable of guiding the adjustment piece.. . ... Olympus Medical Systems Corp

01/22/15 / #20150025316

Endoscope system and method for operating endoscope system

An endoscope system includes an insertion portion, an objective optical window, an image pickup device, a position/direction detection section that acquires position information of the objective optical window, and a memory that records the subject internal image acquired by the image pickup device in association with the position information of the objective optical window. The endoscope system aligns the position information of the objective optical window with a reference position of a predetermined organ in the subject in a coordinate system of a three-dimensional model image based on an amount of change or the like of the subject internal image information in the subject and generates an image with the subject internal image pasted onto the two-dimensional model image of the predetermined organ which is the three-dimensional model image two-dimensionally developed in which the position of the objective optical window is associated with the position in the coordinate system.. ... Olympus Medical Systems Corp

01/22/15 / #20150025315

Treatment instrument insertion auxiliary and treatment instrument insertion method

A treatment instrument insertion auxiliary is used to subserve passage of an elongated treatment instrument into a treatment instrument channel by being connected to an endoscope provided with a rigid insertion portion which includes the treatment instrument channel adapted to allow passage of the treatment instrument and a treatment instrument channel opening portion formed at a proximal end of the treatment instrument channel and used to insert the treatment instrument, where the treatment instrument insertion auxiliary includes a receiving portion adapted to suppress vibration of a distal end side of the treatment instrument by being placed in contact with the distal end side of the treatment instrument; and a first guide unit adapted to guide a distal end of the treatment instrument placed in contact with the receiving portion in a central axis direction of the treatment instrument channel opening portion.. . ... Olympus Medical Systems Corp

01/22/15 / #20150022647

Endoscope apparatus

An endoscope apparatus includes an illuminating section capable of irradiating a subject with a light in a first wavelength band and light in a second wavelength band, an image processing section including a color filter configured by a plurality of filters, the image processing section generating, from two image pickup signals respectively generated in a first pixel and a second pixel that respectively receive light in a predetermined wavelength band and light in a wavelength band different from the predetermined wavelength band among return lights from the subject, first and second image signals, a control section that determines whether the two image pickup signals can be separated into the first and second image signals, and an illumination control section that performs irradiation in a time division manner or simultaneous irradiation according to a determination result whether the separation is possible or not.. . ... Olympus Medical Systems Corp

01/15/15 / #20150018825

Medical treatment instrument

Provided is a medical treatment instrument including: a pair of openable/closable pinching portions that pinch a body tissue via a pair of pinching surfaces facing each other; an energy output section provided in at least one of the pair of pinching portions, the energy output section including an energy application surface as at least one of the pair of pinching surfaces; a cutting member capable of advancing/retracting inside the pinching portion; a guiding groove including a recess portion in the energy application surface, the guiding groove guiding the cutting member; and a plurality of gap maintaining portions provided at a fixed interval along an axial direction at an end face of the guiding groove in such a manner that the end face on the guiding groove side and an inner face on the energy output section side are flush with each other.. . ... Olympus Medical Systems Corp

01/15/15 / #20150018726

Ultrasonic transmitting unit and manufacturing method of ultrasonic transmitting unit

A distal side transmitting member of an ultrasonic transmitting unit includes a projecting portion protruding from a distal side abutment portion toward a proximal direction, and a proximal side transmitting member includes a depressed portion depressed from a proximal side abutment portion toward the proximal direction. A cavity portion having a space is formed between a protruding end of the projecting portion and a bottom portion of the depressed portion inside the proximal side transmitting member when the depressed portion is engaged with the projecting portion, and one of antinode positions of an ultrasonic vibration is located within a range from the protruding end to the bottom portion.. ... Olympus Medical Systems Corp

01/15/15 / #20150018680

Ultrasound observation system

An ultrasound observation system includes an ultrasound transducer that generates an ultrasound signal by transmitting and receiving ultrasound to and from a subject, an automatic pressurizing mechanism that applies a pressing force to the subject to cause pressurizing displacement, an elastic-image-generation displacement measuring circuit that measures an imaging displacement amount of the subject based on the ultrasound signal, an elastic modulus calculation circuit that calculates an elastic modulus of the subject based on the imaging displacement amount, a pressurizing-mechanism-control displacement measuring circuit that measures a controlling displacement amount in accordance with spontaneous displacement of the subject based on the ultrasound signal, and a pressurizing mechanism control circuit that controls the automatic pressurizing mechanism based on the controlling displacement amount.. . ... Olympus Medical Systems Corp

01/15/15 / #20150018678

Bias voltage generating apparatus and ultrasound diagnostic system

A bias voltage generating apparatus is placed outside an ultrasound observation apparatus and used together with the ultrasound observation apparatus, the ultrasound observation apparatus incorporating a transmission circuit generating a transmission signal and a reception circuit performing processing on a received signal, for transmitting/receiving ultrasound to/from a subject using a capacitive transducer. The bias voltage generating apparatus includes a power supply circuit for bias voltage which includes a chargeable secondary battery for producing a bias voltage to be applied to the capacitive transducer and produces the bias voltage, a bias voltage superimposing portion which superimposes the bias voltage on the transmission signal outputted to outside the ultrasound observation apparatus, a charging level detecting portion which detects a charging level of the secondary battery, and a variable gain amplifier which increases a gain for the received signal based on the detected charging level.. ... Olympus Medical Systems Corp

01/15/15 / #20150018617

Stereoscopic endoscope

A stereoscopic endoscope includes an insertion portion, an objective optical system provided at a distal end portion of the insertion portion, an objective optical system provided at the distal end portion, a first opening portion provided a predetermined distance apart from an optical axis center of the objective optical system and configured to deliver fluid to the objective optical system, and a second opening portion provided a distance equivalent to the predetermined distance apart from an optical axis center of the objective optical system and configured to deliver the fluid in a supply direction same as a supply direction of the first opening portion to the objective optical system.. . ... Olympus Medical Systems Corp

01/08/15 / #20150011933

Insertion portion rigidity changeable catheter with balloon

An insertion portion rigidity changeable catheter with a balloon has an insertion portion including a coil-shaped member which is extensible and contractible, with a compression length set to be a predetermined length, and a sheath which is a tube body with flexibility having a fluid conduit, includes a sheath main body surrounded by the coil-shaped member, and a sheath end portion provided at one end side of the sheath main body, and having a contact surface which one end surface of the coil-shaped member contacts, has one opening of the fluid conduit in the sheath end portion and has another opening of the fluid conduit at another end side of the sheath main body, an inflatable/deflatable balloon which is inflated by being supplied with a fluid via the one opening of the fluid conduit to expand to a diameter larger than an outside diameter of the sheath end portion, and is deflated by the fluid being discharged via the one opening to be brought into close contact with an outer circumferential face of the sheath end portion, and an operation section which is fixedly provided at another end side of the sheath, and includes an operation section main body including a fluid supply and discharge apparatus connection portion which is directly or indirectly connected to a fluid supply and discharge apparatus which performs supply of the fluid into the balloon via the fluid conduit, or discharge, and a slide member which is slidably disposed in an inner surface side of the operation section main body, and is disposed at another end side of the operation section main body by an elastic force of the coil-shaped member, wherein the fluid supply and discharge apparatus connection portion is fixed to the operation section main body, and the slide member is provided to freely advance and retract with respect to the fluid supply and discharge apparatus connection portion.. . ... Olympus Medical Systems Corp

01/08/15 / #20150011888

Ultrasonic probe

A groove portion depressed from an unit outer surface toward a first perpendicular direction extends over an entire length of a transmission unit in axially parallel directions, and in the transmission unit, a sectional of a first unit component perpendicular to a longitudinal axis is a first sectional shape and a sectional shape of a second unit component perpendicular to the longitudinal axis is a second sectional shape smaller in sectional area than the first sectional shape. The sectional area changing portion changes from the first sectional shape to the second sectional shape so that a gravity center position in a case where the longitudinal axis is a reference position is consistent over the entire length of the transmission unit in the axially parallel directions.. ... Olympus Medical Systems Corp

01/08/15 / #20150011831

Endoscopic fluid passage changeover valve unit and endoscope

In an endoscopic fluid passage changeover valve unit, a communication passage is formed in a shaft, the communication passage being opened to a hollow portion of a cylinder portion in an inside opening located on an outer peripheral surface of the shaft, and a seal member is provided at an angular position apart from the inside opening in circumferential directions of the cylinder portion. The shaft and the seal member are rotatable relative to the cylinder portion around a movement axis toward a position where a first upstream-side fluid passage is blocked by the seal member and toward a position where the inside opening of the communication passage faces the first upstream-side fluid passage.. ... Olympus Medical Systems Corp

01/01/15 / #20150005894

Stent for medical use

A stent for medical use includes: a main body which includes a first rigid portion formed in a tubular shape along a longitudinal axis and having a predetermined rigidity with respect to a compression force exerted in a radial direction and a second rigid portion having a rigidity less than that of the first rigid portion, the second rigid portion which is substantially coaxial with and continues to a proximal end of the first rigid portion, and the second rigid portion which formed in a tubular shape along the longitudinal axis; and a gripping target region which is provided on an outer circumferential surface of the second rigid portion and is gripped by a gripping tool when the main body is led into a channel of an endoscope.. . ... Olympus Medical Systems Corp

01/01/15 / #20150003715

Image processing apparatus and method of operation of image procesisng appartus

An image processing apparatus includes a feature value calculating section that calculates a feature value from an image picked up of a living mucous membrane, an extraction section that extracts a structure corresponding to the feature value, and a region division section that divides the structure into partial regions according to a predetermined condition.. . ... Olympus Medical Systems Corp

01/01/15 / #20150002646

Image pickup apparatus and image pickup apparatus system

An image pickup apparatus includes: an objective optical system for focusing a bundle of light rays from an object into an image; an image sensor placed in the vicinity of the image-forming position of the objective optical system; a dividing element placed between the objective optical system and the image sensor and used for dividing a bundle of light rays from the objective optical system into reflected and transmitted bundles of light rays; a first reflection member for reflecting back the bundle of light rays reflected by the dividing element; and a second reflection member for reflecting the bundle of light rays transmitted by the dividing element, wherein the bundle of light rays reflected by the first reflection member via the dividing element is focused to form an image on a first area of the image sensor, and the bundle of light rays reflected by the second reflection member is focused to form an image on a second area of the image sensor, the second area of the image sensor being different from the first area of the image sensor.. . ... Olympus Medical Systems Corp








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