A61B5/0095

ACOUSTIC-WAVE MEASURING DEVICE, MATCHING-MATERIAL BAG, MATCHING GEL, SEPARATION FILM, AND ACOUSTIC-WAVE MEASUREMENT METHOD

An acoustic-wave measuring device includes: a support table having a support surface configured to support an examination subject, and an opening portion provided in the support surface to measure a predetermined examination site of the examination subject; a container located vertically below the support surface and capable of containing an acoustic matching material in a liquid or gel form; and a receiving element located vertically below the support surface and configured to receive an acoustic wave generated from the examination site, wherein a matching-material bag containing an acoustic matching material in a liquid or gel form or a matching gel having limited flowability and an acoustic control effect, and a placement unit for placement of the matching-material bag or the matching gel thereon are installable between the acoustic matching material contained in the container and the examination site.

Single-impulse panoramic photoacoustic computed tomography (SIP-PACT)
11471057 · 2022-10-18 · ·

A single-impulse panoramic photoacoustic computed tomography (SIP-PACT) system for small-animal whole-body imaging is disclosed. In addition, a dual-speed of sound image universal back-projection reconstruction method is disclosed. Further, a PACT system for imaging a breast of a subject is disclosed.

METHODS AND APPARATUS FOR VIEWING CONTRAST-ENHANCED ULTRASOUND IMAGES AND DYNAMIC IMAGES
20230128875 · 2023-04-27 ·

Disclosed are methods and apparatus for viewing a contrast-enhanced ultrasound image and a dynamic data. The method comprises: receiving a first operation, for setting a first viewing range by a first browsing step length that is multiple frames; in response to the first operation, positioning the image data to a viewing neighborhood containing the first viewing range; receiving a second operation, on the view neighborhood by a second browsing step length that is a single frame; in response to the second operation, determining a current image frame corresponding to when the second operation is performed in the viewing neighborhood, and further positioning the image data to an adjacent frame of the current image frame to the user to view frame by frame. As such, doctors are helped to accurately locate desired image frames to significantly improve browsing efficiency with convenient operation and high user-friendliness to save time and reduce workload.

Device and method for optoacoustic imaging of an object

The invention relates to a device (1) and an according method for optoacoustic imaging of an object. The device (1) comprising an irradiation unit for irradiating a region of interest (3) of the object with electromagnetic radiation (6), in particular light, and a detection unit (9) for detecting acoustic, in particular ultrasonic, waves generated in the region of interest (3) of the object upon irradiation with the electromagnetic radiation (6), wherein the detection unit (9) is configured to detect the acoustic waves at one or more point-like detection locations, which are located outside of the region of interest (3) of the object. The point-like detection locations can be given by, e.g., focus points (19) of acoustic detection elements (23), point-like detection elements or point-like or pinhole apertures. The invention allows for improved and reliable optoacoustic imaging, in particular in view of dermatology applications.

Tissue and vascular pathway mapping using synchronized photoacoustic and ultrasound pullback techniques

Imaging devices, systems, and methods are provided. Some embodiments of the present disclosure are particularly directed to imaging a region of interest in tissue with photoacoustic and ultrasound modalities. In some embodiments, a medical sensing system includes one or more external optical emitters and a measurement apparatus configured to be placed within a vascular pathway. The one or more optical emitters and the measurement apparatus may be moved together synchronously. The measurement apparatus may be configured to receive sound waves created by the interaction between emitted optical pulses and tissue, and transmit and receive ultrasound signals. The medical sensing system may also include a processing engine operable to produce images of the region of interest and a display configured to visually display the image of the region of interest.

Optoacoustic imaging systems and methods with enhanced safety

An optoacoustic system and method for providing enhanced laser safety includes a laser light source, a control and processing system, a laser override, and an array of optoacoustic transducers. The laser light source is capable of generating a laser light pulse upon receiving a laser light source trigger. The control and processing system is configured to generate a laser light source trigger, to receive and process ultrasound data, and to control operation of the optoacoustic system. The control and processing system determines whether received ultrasound data reflects acoustic coupling between the transducer array and the volume. The laser override is configured to automatically prevent the generation of a laser light pulse if received ultrasound data does not reflect acoustic coupling between the optoacoustic transducer array and the volume.

Display control apparatus, display method, and non-transitory storage medium
11599992 · 2023-03-07 · ·

A display control apparatus that performs rendering on volume data generated based on a signal obtained by receiving a photoacoustic wave generated by an object irradiated with light includes a first unit configured to obtain positional information of a surface of the object, a second unit configured to set a region inside the object between a surface located at a first distance from the surface of the object and a surface located at a second distance from the surface of the object as a display region on the basis of the positional information of the surface of the object, and a third unit configured to perform the rendering on the volume data in a manner that the display region and a region except for the display region can be discriminated from each other.

System and method for enhanced data analysis with specialized video enabled software tools for medical environments
11600386 · 2023-03-07 ·

Medical software tools platforms utilize a surgical display to provide access to specific medical software tools, such as medically-oriented applications or widgets, that can assist surgeons or surgical team in performing various procedures. In particular, an endoscopic camera may register the momentary rise in the optical signature reflected from a tissue surface and in turn transmit it to a medical image processing system which can also receive patient heart rate data and display relevant anomalies. Changes in various spectral components and the speed at which they change in relation to a source of stimulus (heartbeat, breathing, light source modulation, etc.) may indicate the arrival of blood, contrast agents or oxygen absorption. Combinations of these may indicate various states of differing disease or margins of tumors, and so forth. Also, changes in temperatures, physical dimensions, pressures, photoacoustic pressures and the rate of change may indicate tissue anomalies in comparison to historic values.

Photoacoustic targeting with micropipette electrodes

Photoacoustic targeting systems for intracellular recording. In one embodiment, the photoacoustic targeting system includes a light source, a micropipette electrode, an acoustic transducer, and a controller. The light source is configured to emit pulsed light. The micropipette electrode is configured to deliver the pulsed light to a target cell. The acoustic transducer is configured to receive photoacoustic signals generated due to optical absorption of light energy by the target cell. The controller is configured to determine a position of the micropipette electrode relative to the target cell based on the photoacoustic signals.

Method of compressing tissue within a stapling device and simultaneously displaying of the location of the tissue within the jaws

A surgical system is disclosed including an end effector, a control circuit, a closure member, and a firing member. The end effector includes a first jaw, a second jaw, and an electrode. The first jaw is rotatable relative to the second jaw between an open position and a close position to capture tissue therebetween. The electrode is configured to conduct a sub-therapeutic RF current to the tissue. The control circuit is operably coupled to the electrode. The control circuit is configured to measure impedance of the tissue over time based on the sub-therapeutic RF current. The closure member is configured to move the first jaw towards the second jaw at a closure rate based on the impedance of the tissue. The firing member is configured to move within the end effectors towards a fired position at a firing rate based on the impedance of the tissue.