A61B2090/031

Torque wrench for implant procedure
11628045 · 2023-04-18 ·

Provided is a torque wrench for an implant procedure including: a first body having a predetermined length, and including a head portion having an end to which a torque wrench driver bit is coupled; at least one second body having a predetermined length, provided at one side of the first body, and including a coupling portion formed in a longitudinal direction thereof; and a second shaft rotatably coupled to the coupling portion of the second body, including a second gear provided at one end thereof and a knob provided at the other end thereof, and configured such that, in response to rotation of the knob, the second shaft transmits torque to the torque wrench driver bit through the first gear engaged with the second gear.

VERTEBRAL JOINT IMPLANTS AND DELIVERY TOOLS

A spinal joint distraction system for treating a facet joint including articular surfaces having a contour is disclosed and may include a delivery device including a generally tubular structure adapted to engage a facet joint, an implant adapted to be delivered through the delivery device and into the facet joint, the implant comprising two members arranged in opposed position, and an implant distractor comprising a generally elongate member adapted to advance between the two members of the implant causing separation of the members and distraction of the facet joint, wherein the implant is adapted to conform to the shape of the implant distractor and/or the articular surfaces of the facet upon being delivered to the facet joint. Several embodiments of a system, several embodiments of an implant, and several methods are disclosed including a method for interbody fusion.

Motorized surgical stapling system including a sensing array

A surgical stapling system for treating tissue of a patient is disclosed. The surgical stapling system comprises an end effector, a firing member, a motor, a RF transceiver configured to transmit RF signals, and a sensing array. The end effector comprises an elongate channel, an anvil rotatable relative to the elongate channel from an open position toward a closed position, and a staple cartridge removably positioned in the elongate channel. The staple cartridge comprises a plurality of staples removably stored therein. The firing member is movable between an unfired position and a fired position. The staples are deployed from the staple cartridge based on the firing member being moved toward the fired position. The motor is configured to drive the firing member toward the fired position. The sensing array is configured to sense compression of the tissue, properties of the tissue, and a presence of metallic elements within the tissue.

Methods and Systems for Controlling Cooperative Surgical Instruments with Variable Surgical Site Access Trajectories

Systems, devices, and methods for controlling cooperative surgical instruments with variable surgical site access trajectories are provided. Various aspects of the present disclosure provide for coordinated operation of surgical instruments accessing a common surgical site from different approach and/or separate body cavities to achieve a common surgical purpose. For example, various methods, devices, and systems disclosed herein can enable the coordinated treatment of tissue by disparate minimally invasive surgical systems that approach the tissue from varying anatomical spaces and must operate differently, but in concert with one another, to effect a desired surgical treatment.

HARDSTOP DETECTION AND HANDLING FOR SURGICAL TOOL
20230112334 · 2023-04-13 ·

The disclosed embodiments relate to systems and methods for a surgical tool or a surgical robotic system. One example system for detecting a hardstop for a surgical tool includes a wrist connected to and driven by a plurality of cables of a tool driver, a plurality of sensors configured to detect forces associated with the plurality of cables one or more processors configured to perform a comparison of the forces associated with the plurality of cables, selected a highest tension cable from the plurality of cables based on the comparison of the forces associated with the plurality of cables, set a force assigned to the highest tension cable to a predetermined value, calculate a variable torque threshold for the wrist based on a sum of the predetermined value for the highest tension cable and detected forces for remaining cables in the plurality of cables, receive a joint torque value for the wrist, perform a comparison of the received joint torque value for the wrist to a variable wrist torque threshold and identify a hardstop based on the comparison of the received joint torque value for the wrist to the variable wrist torque threshold.

Medical manipulator
11622821 · 2023-04-11 · ·

Embodiments of the technology disclosed herein is directed to a medical manipulator capable of detecting an instant when a tip of the medical manipulator is unexpectedly separated from a body tissue and thus avoid making contact with surrounding body tissues. The technology disclosed eliminates the needs for providing a force sensor located on the tip of the medical manipulator. The medical manipulator includes a movable unit at one end and an electric motor, a control unit, and an operation input unit at opposed end thereof. The movable unit includes a treating unit for treating the body tissue. The electric motor is configured to operate the movable unit. The electric motor includes a current sensor or a torque detecting unit for detecting the torque of the motor. The control unit includes a torque reducing unit for reducing the torque transmitted to the movable unit from the electric motor.

DENTAL SCREW AND DENTAL FASTENING TOOL
20220313399 · 2022-10-06 ·

The present disclosure provides a dental screw (10) for fixing dental components (1, 2) to each other, the dental screw having a proximal end (11), a distal end (12), and a longitudinal axis (LS), wherein the dental screw further comprises a screw head (13) including a tool engaging interface (20) for engaging a fastening tool (30) at the proximal end and distally to the screw head a screw shank (14), the screw shank comprising a torque limiting portion (15) and distally to the torque limiting portion a threaded portion (16) for engaging a dental component (1, 2, 3), wherein the dental screw is configured to transfer a minimum torque from the tool engaging interface to the threaded portion of 26 Ncm and the torque limiting portion is configured to limit the torque transferable to a maximum torque for preventing damage to the threaded portion. The disclosure also provides a dental fastening tool, a dental fastening set, and a dental support set.

MEDICAL TRANSVERSE CONNECTOR HAVING A FLOATING BEARING
20220313323 · 2022-10-06 ·

A medical cross connector, a corresponding matching torque wrench, and a corresponding medical product set that includes the medical cross connector in combination with at least one bone implant and/or other matching surgical accessory. The medical cross connector includes a cross strut for connecting two longitudinal rods that can be brought into operative engagement for orientation of vertebrae of a spinal column, and at least one clamping head mounted pivotably on the cross strut in an angular bearing. The clamping head has a rod receptacle and a clamping screw. A clamping tooth applies a clamping force to one of the longitudinal rods when the rod is inserted into the rod receptacle. The clamping tooth is mounted pivotably about a pivot axis via a floating bearing. The floating bearing permits a pivoting movement and a lateral movement of the pivot axis of the clamping tooth.

GUIDE ASSEMBLY, METHOD AND SYSTEM

A guide assembly including a guide nose, a body supporting the guide nose, and a torque limiter having a configuration to connect the guide nose and the body to a separate structure. A method for negotiating a restriction in a borehole including running a guide assembly into the borehole, encountering a restriction with the guide nose, limiting torque on the guide nose while encountering the restriction, longitudinally unloading the guide nose, incrementing an incrementing feature of the guide assembly to thereby rotate the guide nose. A wellbore system including a borehole in a subsurface formation, a string in the borehole, a guide assembly disposed within or as a part of the string.

STEERABLE MEDICAL DEVICE, HANDLE FOR A MEDICAL DEVICE, AND METHOD FOR OPERATING A MEDICAL DEVICE
20230149663 · 2023-05-18 ·

A handle for a medical device includes a rotatable knob assembly and a slide assembly. The knob assembly is couplable to the slide assembly to drive movement of the slide assembly by rotation of the knob assembly. A slip clutch assembly is between the knob and slide assemblies. The slip clutch assembly includes a first disc and a second disc. The first disc is secured to the knob assembly and is rotatable with the knob assembly. The second disc is configured to transmit rotation to the slide assembly. The first disc and/or the second disc is translatable between a first position and a second position. In the first position, the first and second discs are moved into engagement to couple the rotatable knob to the slide assembly. In the second position, the first and second discs are moved out of engagement to decouple the rotatable knob from the slide assembly.