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Acist Medical Systems Inc patents


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

ARCHIVE: New 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009 | Company Directory "A" | Acist Medical Systems Inc-related inventors


Physiological sensor delivery device and method

An intravascular sensor delivery device for measuring a physiological parameter of a patient, such as blood pressure, within a vascular structure or passage. In some embodiments, the device can be used to measure the pressure gradient across a stenotic lesion or heart valve. ... Acist Medical Systems Inc

Intravascular ultrasound system for co-registered imaging

An intravascular ultrasound imaging system comprises a catheter having an elongated body having a distal end and an imaging core arranged to be inserted into the elongated body. The imaging core is arranged to transmit ultrasonic energy pulses and to receive reflected ultrasonic energy pulses. ... Acist Medical Systems Inc

System and catheter for image guidance and methods thereof

A catheter-based imaging system comprises a catheter having a telescoping proximal end, a distal end having a distal sheath and a distal lumen, a working lumen, and an ultrasonic imaging core. The ultrasonic imaging core is arranged for rotation and linear translation. ... Acist Medical Systems Inc

Intravascular sensing method and system

Methods and systems for calculating a corrected fractional flow reserve. Methods include delivering a pressure sensing device including a pressure sensor to a location in an artery having a stenosis, positioning the pressure sensor distal to the stenosis, measuring the distal pressure, measuring the proximal pressure, and calculating a corrected fractional flow reserve using the measured proximal and distal pressures and applying a correction factor or correction equation. ... Acist Medical Systems Inc

Position sensing in intravascular processes

Intravascular systems can include a catheter having a proximal end, a distal end, a sensor located at the distal end configured to provide sensor information representative of one or more intravascular properties of a patient, and a plurality of magnetic domains a magnetic pickup can be configured to output a pickup signal based on the magnetic field at the magnetic pickup produced by the plurality of magnetic domains. An intravascular processing engine can be in communication with the catheter sensor and the magnetic pickup. ... Acist Medical Systems Inc

Position sensing in intravascular processes

Systems can include at least one friction wheel configured to engage a catheter of an intravascular system such that proximal or distal motion of the catheter causes the friction wheel to rotate. A position sensor can include a reference element and a movable element, wherein the movable element is configured to move relative to the reference element in response to rotation of the at least one friction wheel. ... Acist Medical Systems Inc

Motion-based image segmentation systems and methods

Methods and systems are disclosed for segmenting an image. First and second frames of image data are generated at different times. ... Acist Medical Systems Inc

Position sensing in intravascular imaging

An intravascular imaging system can include a catheter, a position sensor, and an intravascular imaging engine for receiving information from the catheter and the position sensor. The position sensor can include a reference element and a movable element, which can have a movable element position that is correlated to the position of an imaging transducer in the catheter. ... Acist Medical Systems Inc

Sterilization of fluid paths in injection system

A contrast injector system includes one or more devices for reducing or eliminating risk of cross-patient contamination. In particular, the contrast injector system includes at least one of a sterilization device, vibration device, and illuminator device positioned on a component of the contrast injector system, where the sterilization device, vibration device, and/or illuminator device is in communication with a console of the contrast injector system. ... Acist Medical Systems Inc

Physiological sensor delivery device and method

An intravascular sensor delivery device for measuring a physiological parameter of a patient, such as blood pressure, within a vascular structure or passage. In some embodiments, the device can be used to measure the pressure gradient across a stenotic lesion or heart valve. ... Acist Medical Systems Inc

Manifold connection assembly having a surface finish

A manifold associated with a contrast injector system. The manifold may include a first fluid inlet, a second fluid inlet, a fluid outlet, a main passageway, and a valve. ... Acist Medical Systems Inc

Medicant-releasing intravascular components and methods

Methods, systems, and devices are disclosed for administering one or more medications useful for facilitating diagnostic and/or surgical procedures within a patient. A guidewire is positioned intravascularly in a patient at a location of interest, the guidewire being free of any coating that includes adenosine. ... Acist Medical Systems Inc

Detection of disturbed blood flow

Methods and systems are disclosed for detecting a region of disturbed blood flow within a blood-filled lumen and indicating the region of disturbed blood flow using a disturbed blood flow indicator. The region of disturbed blood flow can be detecting by processing a plurality of data vectors acquired by an imaging device. ... Acist Medical Systems Inc

Ultrasound transducer and processing methods thereof

An ultrasonic transducer includes a backing element, an active element overlying the backing layer, and a matching element overlying the active element, the matching element having an inner surface that contacts the active element and an outer surface with a non-homogeneous texture and/or material composition. The matching element may be formed by subtractive or deposition techniques.. ... Acist Medical Systems Inc

04/13/17 / #20170103498

Systems and methods to reduce near-field artifacts

Systems and methods to reduce near-field artifacts from intravascular images. Disclosed systems and methods are adapted to automatically identify near-field image artifacts in imaging data and generate an enhanced intravascular image by reducing near-field image artifacts.. ... Acist Medical Systems Inc

04/13/17 / #20170100100

Frequency selective imaging methods and systems

Methods and systems for acquiring a plurality of data vectors at a first frequency and a plurality of data vectors at a second frequency, where the first frequency is greater than the second frequency. The plurality of first frequency data vectors can be formed into a first set of data vectors and the plurality of second frequency data vectors can be formed into a second set of data vectors. ... Acist Medical Systems Inc

03/30/17 / #20170086786

System and catheter for image guidance and methods thereof

A catheter-based imaging system comprises a catheter having a telescoping proximal end, a distal end having a distal sheath. And a distal lumen, a working lumen, and an ultrasonic imaging core. ... Acist Medical Systems Inc

03/16/17 / #20170072132

Medical injection systems and pumps

According to preferred embodiments and methods of the present disclosure, a medical injection system employs a single pump for the injection of multiple fluids, rather than employing a pump for each type of fluid, for example, like the prior art system described above. Embodiments of pumps disclosed herein preferably include a disposable pump cartridge configured to be contained within a hull of a medical injection system, wherein the hull may be formed when a pressure plate member is closed against a base plate; and, when the pressure plate member is opened with respect to the base plate, the disposable pump cartridge may be removed and replaced.. ... Acist Medical Systems Inc

03/02/17 / #20170055943

Variable-stiffness imaging window and production method thereof

An imaging window of an imaging catheter includes a first imaging window section and a second imaging window section. The first imaging window section has a finite length and is formed from a first material having a flexural modulus. ... Acist Medical Systems Inc

02/16/17 / #20170043081

Medical injection systems and methods related to user activated control devices

A control module for a medical injection system generates an injection control signal based on sensed internal pressure of a user activated control device, for example, in response to an applied external force that causes the sensed internal pressure to increase from a baseline pressure, and continues to sense the internal pressure of the device, following release of the applied external force, so that, if the sensed internal pressure drops below the baseline pressure, the control module may generate a notification. Thus, an operator of the system may monitor internal pressure of the control device for a drop below the baseline pressure, and then, if such a drop is detected, inspect the control device for leaks and reconnect, replace or repair the control device, or simply reconnect or replace the control device.. ... Acist Medical Systems Inc








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