Guide apparatus for delivery of an elongate device and methods of use

    公开(公告)号:US11045258B2

    公开(公告)日:2021-06-29

    申请号:US16315922

    申请日:2017-07-07

    Abstract: An apparatus for guiding an elongated flexible instrument comprises a variable-length support assembly including a first end, a second end, a plurality of support member pairs, and a plurality of eyelets movably coupled to at least one support member pair and configured to receive the elongated flexible instrument. The variable-length support assembly is configured to selectively transition from a compressed configuration to an expanded configuration along a longitudinal central axis, and the plurality of eyelets are adapted to support the elongated flexible instrument as the elongated flexible instrument is advanced along the longitudinal central axis. Each of the plurality of eyelets includes a tapered alignment member configured to contact a tapered alignment member of an adjacent eyelet to move the plurality of eyelets into alignment along the longitudinal axis as the variable length assembly transitions from the expanded configuration to the compressed configuration.

    Minimally invasive surgical instrument to provide needle-based therapy

    公开(公告)号:US10188470B2

    公开(公告)日:2019-01-29

    申请号:US15943511

    申请日:2018-04-02

    Abstract: A surgical instrument is provided that includes a first input mechanism having axial slots formed in a periphery and a second input mechanism having helical slots formed in a surface. The instrument also includes an insert having pins extending from a surface thereof, the insert coupled to the second input mechanism such that the one or more pins extend into the helical slots, and a surgical device coupled to an end. The surgical device is moved in a first degree of freedom in response to a mechanical driving force applied to both the first input mechanism and the second input mechanism, respectively, and the surgical device is moved in a second degree of freedom in response to a mechanical driving force applied to the second input mechanism while the first input mechanism is held stationary.

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