Method of re-connecting optical fibers and system

    公开(公告)号:US12222556B2

    公开(公告)日:2025-02-11

    申请号:US18033833

    申请日:2021-10-27

    Abstract: The present invention relates to a method of re-connecting a first optical fiber (12) with a second optical fiber (34), the first fiber (12) and the second fiber (34) each having a plurality of outer cores, comprising: (a) positioning a first end section of the first fiber (12) and a second end section of the second fiber (34) in proximity so as to be aligned with one another along a longitudinal axis of the first and second end sections in a current connection position including a current connection orientation, in which a current relative rotational angle between the first and second end sections about the longitudinal axis is not known with respect to a relative rotational angle between the first and second end sections in a registered connection orientation determined with respect to a coordinate system during a previous connection of the first fiber (12) with the second fiber (34); (b) optically interrogating the outer cores of the first and second fibers (12, 34) through the current connection position to receive optical signals from the outer cores; (c) modifying, from the optical interrogation of the outer cores, the registered connection orientation such that the first and second fibers in the current connection orientation including the current relative rotational angle between the first and second end sections about the longitudinal axis are correctly registered with respect to the coordinate system.

    Catheter contact force sensor
    3.
    发明授权

    公开(公告)号:US12220218B2

    公开(公告)日:2025-02-11

    申请号:US18536517

    申请日:2023-12-12

    Abstract: A spring assembly usable with an intravascular catheter can include a tubular body, two mounting surfaces, and a compressible framework. The tubular body extends along a longitudinal axis and is sized to traverse vasculature. Each mounting surface can be configured to engage a substantially planar electrical circuit and is positioned in the tubular body each in a respective plane perpendicular to the longitudinal axis. The mounting surfaces face toward each other in opposite directions. The compressible framework extends between the first and second mounting surfaces. The spring assembly can further include a pair of electrical circuits mounted to the pair mounting surfaces. Each electrical circuit can include an inductive coil such that the pair of electrical circuits is a distance transducer. A change in distance between the pair of electrical circuits can be detected when the compressible framework is compressed and/or bent.

    Medical equipment electrodes
    4.
    发明授权

    公开(公告)号:US12214185B2

    公开(公告)日:2025-02-04

    申请号:US17643426

    申请日:2021-12-09

    Abstract: Methods and systems are provided for guiding a rescuer in treatment of a patient. A method may include initializing one or more cameras on an external electrode assembly including a pair of electrodes. The method may further include capturing image information via the one or more cameras, the image information comprising a series of images acquired by the one or more cameras. The method may further include, based at least in part on the image information, providing feedback, comprising at least one of visual feedback and audio feedback, on at least one output device to guide the rescuer in the treatment of the patient.

    Magnetic tracking calibration via distortion correction for electromagnetic fields using inside-out tracking

    公开(公告)号:US12207888B2

    公开(公告)日:2025-01-28

    申请号:US17345392

    申请日:2021-06-11

    Abstract: A magnetic tracking device is configured to track an object in an environment by receiving a measurement of the non-magnetic signal and a corresponding measurement of the magnetic signal for a location of the magnetic tracking device in the environment. The magnetic tracking device estimates, based on the measurement of the non-magnetic signal, a non-magnetic pose of the magnetic tracking device in the environment for the location. The device estimates, based on the measurement of the magnetic signal, a magnetic pose of the magnetic tracking device in the environment for the location. The device determines a difference between the magnetic pose estimate and the non-magnetic pose estimate for the location. The device determines a magnetic distortion correction value for the location based on the difference. The magnetic tracking device generates a distortion correction model including the distortion value and outputs a representation of the distortion correction model.

    CURVE INDUCTIVE SENSOR
    8.
    发明申请

    公开(公告)号:US20250012555A1

    公开(公告)日:2025-01-09

    申请号:US18711637

    申请日:2022-11-21

    Applicant: Magnisity Ltd.

    Abstract: Flexible, longitudinally extended sensors comprising variably inductive sensing material. Sensors connect to an external processing unit using as few as 2 connections. In operation, sensors measure inductance along their longitudinal extent (curve). Spectral de-multiplexing allows electrical property differences along sensors to be resolved. This enables shape tracking of the flexible sensor. The sensor principles are suitable for the production of ultra-small diameter probes (for example, smaller than 0.5 mm) of arbitrary length (for example, 30 cm long). There are potential advantages for cost efficiency and ease of manufacture.

    Percutaneous access needle guidance systems and methods using an access needle and guidance pad

    公开(公告)号:US12185973B2

    公开(公告)日:2025-01-07

    申请号:US17109886

    申请日:2020-12-02

    Abstract: A guidance system for performing a percutaneous access incision comprises an access needle comprising a shaft and a tip located at a distal end of the shaft, and a guidance pad comprising a dermal side, an outward side, an opening to receive the access needle, the opening extending between the dermal side and the outward side, and a feedback device viewable from the outward side to provide an indication of a depth of the tip beneath the guidance pad and a trajectory of the shaft from the opening. A method for planning guidance of an access needle into a patient in preparation for a minimally invasive surgical procedure comprises determining a location for an access point on the patient, positioning a guidance pad over the access point, inserting a tip of the access needle through the pad, and displaying guidance information on the guidance pad.

    INFORMATION PROCESSING DEVICE, INFORMATION PROCESSING METHOD, AND RECORDING MEDIUM

    公开(公告)号:US20250000329A1

    公开(公告)日:2025-01-02

    申请号:US18709067

    申请日:2021-11-18

    Abstract: The image acquisition means acquires a captured image by an endoscope. The position acquisition means acquires positional information of the endoscope. The lesion detection means detects a lesion from the captured image. The washing degree determination means determines a degree of intestinal tract washing from the captured image. The reaching determination means determines that the endoscope reaches a cecum from the captured image. The end determination means determines an end timing of an examination by the endoscope. The calculation means calculates an observation time based on a timing that the endoscope reaches the cecum and the end timing. The report generation means generates an examination report including the observation time, the degree of intestinal tract washing, a presence or absence of reaching the cecum of the endoscope, and a detection result of the lesion including the positional information of the lesion. The generated examination report is displayed on the display device.

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