A61B2017/00862

Optical trocar visualization system and apparatus

A seal assembly including a septum seal, a lower seal support, an upper seal support and a return spring is disclosed. The septum seal includes an orifice and a plurality of apertures. The lower seal support includes an engagement surface configured to engage a portion of the septum seal. The upper seal support includes a plurality of fingers, wherein each of the plurality of fingers is configured to extend through a corresponding aperture of the septum seal. The return spring includes a collar portion and a plurality of spokes extending radially outward from the collar portion. At least a portion of the return spring may be sandwiched between the lower seal support and the upper seal support. The plurality of spokes is configured to bias the seal assembly toward a radial center of a housing.

Surgical instruments with non-symmetrical articulation arrangements

A surgical instrument that comprises an elongate shaft assembly that defines a shaft axis. A surgical end effector is pivotally coupled to the elongate shaft assembly for selective pivotal travel relative thereto about an articulation axis that is laterally offset from the shaft axis and extends transversely relative thereto. An end effector driver link is operably coupled to the surgical end effector and an articulation driver that is supported for longitudinal travel in distal and proximal directions upon application of articulation motions thereto. A flexible de-articulation member is coupled to the elongate shaft assembly and the surgical end effector to apply de-articulation motions to the surgical end effector.

Driver and system for threaded intramedullary nail retaining endcaps

A driver for engaging an endcap of an intramedullary nail. The driver includes a handle extending along a longitudinal axis of the driver from a proximal end to a distal end. The handle having a handle channel extending longitudinally therethrough. The driver also includes a shaft extending through the handle channel from a proximal end to a distal end along the longitudinal axis. The shaft having a shaft channel extending longitudinally therethrough. The distal end of the shaft extends distally from the handle. The distal end of the shaft forms a driving element to be inserted into a head portion of the endcap. The driver further includes a retention pin slidably received in the shaft channel. The retention pin extends also extends along the longitudinal axis. The distal end of the retention pin is configured to reversibly lock the shaft to the head portion of the endcap.

SURGICAL INSTRUMENT COMPRISING SELECTIVELY ACTUATABLE ROTATABLE COUPLERS
20220387030 · 2022-12-08 ·

A surgical instrument is disclosed comprising an end effector including a first jaw and a second jaw, wherein the first jaw is rotatable relative to the second jaw, and a closure system configured to close the first jaw during a closure stroke. The surgical instrument further comprises an articulation joint rotatably connecting the end effector to the shaft, an articulation system configured to articulate the end effector relative to the shaft, and a firing system operably engaged with the electric motor, wherein the firing member is configured to move through the end effector during a firing stroke. The surgical instrument further comprises a first rotatable member configured to selectively synchronize the motion of the firing system with the motion of the articulation system and a second rotatable member operably engageable with the articulation system, wherein the closure system is configured to stop the rotation of the second rotatable member.

FLEXIBLE NAVIGATION MARKER SYSTEMS AND METHODS OF USE

A flexible marker system for use with a computer-assisted surgical (CAS) tracking system is disclosed. The system includes a rigid frame or instrument having a plurality of coupling locations each configured to position a navigation marker in a predetermined position and a flexible array configured to be coupled with the rigid frame or instrument. The flexible array can include an elastically deformable body and a plurality of navigation markers, where the flexible array is configured to be coupled to the rigid frame or instrument by stretching the elastically deformable body over the rigid frame or instrument such that each of the plurality of navigation markers is positioned at one of the plurality of coupling locations of the rigid frame or instrument.

Disposable handle for medical instruments
11517447 · 2022-12-06 · ·

An apparatus for releasably holding a surgical tool having a body, the body having a longitudinal axis, a monolithic construction, and a shape apportioned to be grasped by a human hand, with body further having a tool engaging portion, a hand receiving portion, and a button pressing portion. A longitudinal bore is disposed along the longitudinal axis of the body, and on one end. A transverse bore is disposed through the body into the longitudinal bore, with the transverse bore disposed such that the longitudinal axis of the transverse bore intersects the longitudinal axis of the longitudinal bore. A button disposed on and pivotably attached at a resilient member to the button pressing portion of the exterior of the body, with the button being proximal to the tool engaging portion. The button has a button bore and a boss extending from the button bore into the transverse bore which is alignable with the longitudinal bore. The button is disposed on the body to be thumb pressable, the button suitable for selectively engaging a corresponding groove on surgical tool.

Sealed neurovascular extendable catheter

A catheter is provided which includes an outer catheter and an extendable inner catheter. A sealing feature is positioned between the inner catheter and the outer catheter to seal the annular gap between the two while allowing axial translation. The seal may be a compliant protrusion surrounding the inner catheter and may have a chevron-shape for facilitating axial translation. The seal may be a one-way valve configured to allow antegrade flushing but prevent retrograde flow. The seal may be squeegee-like flange on the distal tip of the outer catheter. The seal may be an expandable bulge, which may be mechanically expandable or inflatable or which may be a photosensitive or electrosensitive hydrogel. The seal may include a spring that is radially compressed upon translation or rotation of the inner catheter to transiently break the seal. Also provided is a seal for sealing between the catheter and the vasculature.

Pregnant guide pin drill passer
11517330 · 2022-12-06 ·

This disclosure provides an apparatus, system and method for pregnant guide pin drill passer. The pregnant guide pin drill passer includes a drill shank removably to transfer a rotational force of a drill; a drill neck to translate the rotational force from the drill shank to the drill bit; the drill bit to use the rotational force to create a bone tunnel in a bone; a hole finisher to embed bone dust into a surface of the bone tunnel; an eyelet to receive a first end of a suture after the drill shank is removed from the drill, pull the first end of the suture through the bone tunnel when the drill shank is pulled through the bone tunnel, and remove the suture from the eyelet.

Rollable tissue specimen bag with improved brim for tenting
11517297 · 2022-12-06 · ·

A tissue specimen retrieval bag assembly includes a tissue specimen bag having an open proximal end and a closed distal end, the proximal end including a cuff defined therein and extending therearound. A flexible bag brim is disposed within the cuff, the flexible bag brim transitionable between a first, collapsed configuration and a second, expanded configuration. The flexible bag brim includes a D-Shaped cross section configured to facilitate both furling the tissue specimen bag onto itself around the bag brim when the bag brim is disposed in the second, expanded configuration and securing the tissue specimen bag in a desired furled configuration. The flexible bag brim defines a cavity therein configured to facilitate compression thereof and to facilitate handling of the bag brim by a surgical instrument.

SHUNT SYSTEMS AND METHODS WITH TISSUE GROWTH PREVENTION

A shunt comprises a central flow portion configured to fit at least partially within an opening in a tissue wall. The tissue wall is situated between a first anatomical chamber and a second anatomical chamber and the opening represents a blood flow path between the first anatomical chamber and the second anatomical chamber. The central flow portion is further configured to maintain the blood flow path from the first anatomical chamber to the second anatomical chamber. The shunt further comprises a barrier configured to alter growth of tissue around the shunt.