Noise reduction for ultrasound operations

    公开(公告)号:US12178658B2

    公开(公告)日:2024-12-31

    申请号:US18242573

    申请日:2023-09-06

    Abstract: A controller for reducing noise in an ultrasound environment includes memory that stores instructions; and a processor that executes the instructions. When executed by the processor, the instructions cause the controller to execute a process that includes controlling emission, by an ultrasound probe, of multiple beams each at a different combination of time of emission and angle of emission relative to the ultrasound probe. The process also includes identifying repetitive noise from a first source received with the imaging beams at a sensor on an interventional medical device, including a rate at which the repetitive noise from the first source repeats and times at which the repetitive noise from the first source is received. The process also includes interpolating signals based on the imaging beams received at the sensor to offset the repetitive noise from the first source at the times at which the repetitive noise from the first source is received.

    AUTOMATIC CLOSED-LOOP ULTRASOUND PLANE STEERING FOR TARGET LOCALIZATION IN ULTRASOUND IMAGING AND ASSOCIATED DEVICES, SYSTEMS, AND METHODS

    公开(公告)号:US20220370034A1

    公开(公告)日:2022-11-24

    申请号:US17762209

    申请日:2020-09-10

    Abstract: Ultrasound image devices, systems, and methods are provided. An ultrasound imaging system comprising a processor circuit configured to receive, from an ultrasound transducer array, a plurality of images of a patient body at different imaging planes; determine a first imaging plane based on a first image of the plurality of images by applying a first predictive network, wherein a second image of the plurality of images is based on the first imaging plane, and wherein the second image includes an imaging view of at least one of an anatomy of the patient body or a medical device within the anatomy; apply a second predictive network to the second image to generate segmentation data; and output, to a display, a displayed image including an indication of a first portion of the at least one of the anatomy or the medical device based on the segmentation data.

    Passive-ultrasound-sensor-based initialization for image-based device segmentation

    公开(公告)号:US12201471B2

    公开(公告)日:2025-01-21

    申请号:US17614697

    申请日:2020-05-19

    Abstract: A controller (220) for determining a shape of an interventional medical device in an interventional medical procedure based on a location of the interventional medical device includes a memory (221) that stores instructions and a processor (222) that executes the instructions. The instructions cause a system (200) that includes the controller (220) to implement a process that includes obtaining (S320) the location of the interventional medical device (201) and obtaining (S330) imagery of a volume that includes the interventional medical device. The process also includes applying (S340), based on the location of the interventional medical device (201), image processing to the imagery to identify the interventional medical device (201) including the shape of the interventional medical device (201). The process further includes (S350) segmenting the interventional medical device (201) to obtain a segmented representation of the interventional medical device (201). The segmented representation of the interventional medical device (201) is overlaid (S360) on the imagery.

    Steerable catheter with piezoelectric transducer

    公开(公告)号:US11617860B2

    公开(公告)日:2023-04-04

    申请号:US16970886

    申请日:2019-02-13

    Abstract: A steerable medical catheter includes a tubular body having a longitudinal axis and a distal portion for insertion into a subject, a first pull wire, a second pull wire, and a piezoelectric transducer. The piezoelectric transducer includes a first electrode and a second electrode. At the distal portion of the catheter the first pull wire and the second pull wire are each mechanically coupled to the tubular body at respective first and second offset positions with respect to the longitudinal axis for imparting a curvature on the distal portion of the catheter. At the distal portion of the catheter the first pull wire is electrically connected to the first electrode of the piezoelectric transducer and the second pull wire is electrically connected to the second electrode of the piezoelectric transducer.

    Sensor-based shape identification
    10.
    发明授权

    公开(公告)号:US11877887B2

    公开(公告)日:2024-01-23

    申请号:US16970995

    申请日:2019-02-18

    CPC classification number: A61B8/0841 A61B8/54 G01S15/8934

    Abstract: A controller for determining shape of an interventional device includes a memory that stores instructions, and a processor that executes the instructions. When executed by the processor, the instructions cause the controller to execute a process that includes controlling an imaging probe to emit at least one tracking beam to an interventional medical device over a period of time comprising multiple different points of time. The process also includes determining a shape of the interventional medical device, based on a response to the tracking beams received over the period of time from a first sensor that moves along the interventional medical device during the period of time relative to a fixed location on the interventional medical device for the period of time.

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