Patent ID: 9138280
Filing Date: 2015-09-22
Classification: A61B

Abstract:
1. A torque drive device for use with a dynamic pedicle screw comprising; a handle configured to be engaged by a hand and to impart torque thereto; a clutching mechanism having a first end and a second end, said clutching mechanism operatively connected to said handle at said first end; wherein the torque transmitted through said handle at the first end is selectively transmitted through the clutch mechanism to the second end; a socket member operatively connected to said clutching mechanism at said second end, said clutching mechanism including an adjustment member to selectively vary a torque setting wherein said clutch mechanism will slip and the torque entering the first end of the clutch mechanism will not be transmitted to the second end of the clutch mechanism, whereby said clutching mechanism is configured to provide visual indication which correlates an amount of torque applied to said device to selection of a pedicle screw with a particular modulus of elasticity; said socket member configured to removably receive a tool implement; said tool implement comprising a shaft having a first end secured to said socket member and a second end having a working member; said handle, said clutching mechanism, said socket member and said tool implement each have a cannulation and adapted to be positioned using a wire passing through each said cannulation.