Depuy Synthes Products, Inc.

N Spine, Inc.

Synthes Usa, LLC

Jason Yim

Brian Scott Bowman

Tae-ahn Jahng

Barclay R Davis

David Rathbun

Zoher S Bootwala

Dennis Chien

Scott P Larsen

Josef Gabelberger

Jude Paganelli

Sean Joo Na

A device for spinal surgery that may be used for tightening a locking cap onto at least a portion of a pedicle screw. The device may include a torque-generating body having a proximal end and an opposing distal end and a drive shaft rotatably driven by the torque-generating body. A proximal end of the drive shaft may be operatively engaged to the distal end of the torque-generating body and an opposing distal end of the drive shaft may engage at least a portion of one of the locking cap and the pedicle screw. An anti-torque device is provided that has an elongated and generally hollow member defining a longitudinal axis. The member has a proximal end and an opposing distal end, where the proximal end of the anti-torque device may be fixed from rotating relative to at least a portion of the torque-generating body and the distal end may be fixed from rotating relative to a spine rod or a pedicle screw.

Tightening device for spine surgery

A flexible connection unit for use in a spinal fixation device that includes: a longitudinal member having first and second ends and a flexible member interposed between the first and second ends, at least one of the first end and second end configured to be engaged by a first bone securing member; and at least one spacer located between the first and second ends, the spacer comprising a resilient element and a ring element encircling at least a portion of the resilient element, wherein the ring element is configured to be engaged by a second bone securing member.

Spinal stabilization device

A flexible connection unit for use in a spinal fixation device, including: a first end portion and a second end portion, at least one of the first end and second end configured to be engagable by a section of a first bone securing member; a flexible member located between the first and second ends, the flexible member permitting motion of the first end relative to the second end; and a transition area located between the first end and the flexible member, the transition area tapering in diameter from a first section of the transition area proximate to the first end toward a second section of the transition area proximate to the flexible member.

The present invention is directed a poly-axial bone securing system including a bone securing member and a coupling element. The coupling element includes an opening to permit the bone securing member to pass therethrough and a seat for contacting a head portion of the bone securing member. The opening including a discrete number of contact surfaces or points for engaging the head portion of the bone securing member so that discrete frictional or gripping forces may be generated at interface points of each contact surface or point.

Poly-axial bone screw mating seat

An adjustable spinal stabilization system having a flexible connection unit for non-rigid stabilization of the spinal column. In one embodiment, the spinal stabilization system includes a flexible connection unit having a tether running through a hollow portion of the flexible connection unit, wherein the tether limits bending of the flexible connection unit. In a further embodiment the tether is pre-tensioned. In a further embodiment, the tension upon or compression of the tether is adjustable.

Adjustable spinal stabilization system

A flexible connection unit for use in a spinal fixation device, includes: a longitudinal member having first and second ends; at least one spacer located between the first and second ends, wherein the at least one spacer comprises a first portion made from a first material and a second portion made from a second material; and at least one flexible member located in a longitudinal axial channel of the at least one spacer, wherein the first and second ends substantially limit motion of the at least one spacer in the longitudinal axial direction with respect to the at least one flexible member.

Growing community of inventors

Solana Beach, CA, United States of America

Jason Yim