TENSION CONTROL IN ACTUATION OF MULTI-JOINT MEDICAL INSTRUMENTS

    公开(公告)号:US20200146761A1

    公开(公告)日:2020-05-14

    申请号:US16745906

    申请日:2020-01-17

    Abstract: A medical instrument system includes a plurality of joints, a plurality of actuators, and a plurality of transmission systems. The transmission systems have proximal ends respectively coupled to the actuators. Each of the transmission systems have a distal end attached to an associated one of the joints to allow the transmission of a force for articulation of the medical instrument system. The system also includes a sensor coupled to measure a configuration of the medical instrument; and a control system coupled to receive configuration data, including a current configuration of a tip of the medical instrument from the sensor and a desired configuration of the tip of the medical instrument. Using the difference between the desired configuration and the current configuration of the tip of the medical instrument, the control system generates control signals for the actuators that cause the actuators to apply a set of tensions to the plurality of transmission systems.

    System and method for an articulated arm based tool guide

    公开(公告)号:US10603135B2

    公开(公告)日:2020-03-31

    申请号:US15522657

    申请日:2015-10-30

    Abstract: A system and method for an articulated arm based tool guide includes an elongated body having a guide hole, a first joint attached to a first end of the body, a second joint attached to a second end of the body opposite the first end, a first mounting arm coupled to the body using the first joint, and a second mounting arm coupled to the body using the second joint. The first mounting arm is configured to be attached to a first articulated arm of a computer-assisted medical device. The second mounting arm is configured to be attached to a second articulated arm of the computer-assisted medical device. The guide hole is adapted to receive a medical tool and maintain a working end of the medical tool in alignment with the guide. In some embodiments, the first mounting arm includes identifying information identifying the tool guide as a tool guide.

    SYSTEM AND METHOD FOR REGISTRATION AND COORDINATED MANIPULATION OF AUGMENTED REALITY IMAGE COMPONENTS

    公开(公告)号:US20200093544A1

    公开(公告)日:2020-03-26

    申请号:US16465541

    申请日:2018-01-03

    Inventor: Mahdi Azizian

    Abstract: A system and method for registration and coordinated manipulation of augmented reality image components includes registering a model of patient anatomy to a first image of the patient anatomy captured using an imaging device to determine a baseline relationship between the model and the first image, tracking movement of a computer-assisted device used to manipulate the imaging device, updating the baseline relationship based on the tracked movement, and generating a composite image by overlaying the model on a second image of the patient anatomy according to the updated relationship. In some embodiments, the model is semi-transparent. In some embodiments, registering the model to the first image includes adjusting the model relative to the first image based on one or more inputs received from a user and generating a model to image transformation based on the adjustments to the model. The model to image transformation captures the baseline relationship.

    Sealing a fiber bundle end with glass fritting

    公开(公告)号:US10598868B2

    公开(公告)日:2020-03-24

    申请号:US16459452

    申请日:2019-07-01

    Inventor: Mathew Clopp

    Abstract: An apparatus comprises a housing having a first melting temperature and a fiber bundle extending through the housing. The fiber bundle comprises a plurality of fibers having a second melting temperature. An end of each of the plurality of fibers extends past an edge of the housing. The apparatus further comprises a first seal between the plurality of fibers themselves and a second seal between the plurality of fibers and an inner surface of the housing. The seals each comprise a glass material having a third melting temperature lower than the first two melting temperatures. The second seal is configured to be formed as a result of the fiber bundle being inserted into the housing. The glass material coats a tip of each of the plurality of fibers and at least a portion of a side of each of the plurality of fibers near an end of the fiber bundle.

    Splayed cable guide for a medical instrument

    公开(公告)号:US10595949B2

    公开(公告)日:2020-03-24

    申请号:US16453530

    申请日:2019-06-26

    Abstract: An apparatus includes a housing, a cable guide, a first cable, and a second cable. The housing is coupled to a shaft of a medical instrument. The cable guide is coupled to the housing, and defines a shaft opening into a passageway defined by the shaft. A first guide groove and a second guide groove are defined by the cable guide, with each of the first guide groove and the second guide groove being splayed outward from the shaft opening. The first cable is routed within the first guide groove and through the shaft opening, and is configured to slide within the first guide groove. The second cable is routed within the second guide groove and through the shaft opening, and is configured to slide within the second guide groove.

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