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Acist Medical Systems Inc
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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


 new patent  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. For example, such a device may be... 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. The system further includes an... 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. The system further includes a patient interface module... 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... 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... 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... 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. A first portion of the first frame is compared to image data of the second frame, and a second portion of the second frame is selected based on the... Acist Medical Systems Inc

Medical imaging system

A system for transferring patient identification information and medical images within the records system of a healthcare facility is disclosed. A server within the healthcare facility is configured to automatically receive patient information on a regular basis from the healthcare facility's patient information system and to automatically provide that information... Acist Medical Systems Inc

Signal processing for intravascular imaging

An intravascular imaging system includes a transducer capable of generating raw data representative of the structure of a patient's vasculature. The system includes an imaging engine for receiving the raw data and generating enhanced data for presentation to a user. The imaging engine includes a coherence filter, an envelope detection... 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... 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. For example, such a device may be... 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... 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. The first fluid inlet, second fluid inlet, and fluid outlet may be in fluid communication with the main passageway. The first... 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. An intravascular component having a... Acist Medical Systems Inc

Semi-automated image segmentation system and method

Image segmentation can include a pre-initialization image analysis of image data using an image analysis algorithm to generate a modified image, and the modified image can be presented on a display. An initialization can be performed on the modified image that includes user input on the modified image. The modified... 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... Acist Medical Systems Inc

Multiple transducer delivery device and method

Embodiments of the present invention allow more full characterization of a stenotic lesion by measuring both pressure drop across the stenotic lesion and the size of the vessel lumen adjacent the stenotic lesion, both with sensors delivered intravascularly to the stenotic lesion site. In preferred embodiments, the size (e.g., inner... Acist Medical Systems Inc

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... Acist Medical Systems Inc

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

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... 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. The system further includes a patient interface module... Acist Medical Systems Inc

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... Acist Medical Systems Inc

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. The second imaging window section has a finite length and is... Acist Medical Systems Inc

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... Acist Medical Systems Inc








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