Patent ID: 9572617
Date: 2017-02-21
CPC Classifications: A61B

Claim:
1. A torque limiting surgical screw driver, comprising a driver shaft having a proximal end and a distal end, wherein the proximal end comprises a first torque limiting element, and wherein the distal end is configured to engage with a screw head used in a surgical procedure; and a handle coupled with the proximal end of the driver shaft, wherein the handle comprises wherein the first torque limiting element and the second torque limiting element are configured to disengage from each other when a torque above a first threshold torque is applied to the handle when the handle is rotated in a clockwise direction; and wherein the first torque limiting element comprises a leaflet comprising a first and a second portion, wherein the first portion and the second portion are joined to form an elbow in the leaflet; wherein the second portion of the leaflet comprises a rounded lip; and wherein the rounded lip is positioned to contact the track on the hollow interior of handle when the first torque limiting element and the second torque limiting element disengage and the handle is rotated in a clockwise direction.