Minimally invasive pedicle screw extension sleeve system

US10004543B2 · kind B2 · utility

Assignee

• Genesys Spine · US

Inventors

• John Stokes · Austin, US
• David Greenwald · Austin, US
• Josh Kaufmann · Austin, US
• Greg Calbert · Austin, US
• Scott Bryant · Austin, US
• Landon Gilkey · Austin, US
• Brian Bergeron · Austin, US

Key dates

• Filing date: Feb 4, 2014
• Grant date: Jun 26, 2018
• Expiry date: Jun 7, 2034

Classification

• Technology area (CPC A): Human Necessities
• CPC primary: A61B2090/037
• WIPO field: Medical technology
• WIPO sector: Instruments

Abstract

An embodiment includes a system comprising: a tulip including a slot to receive a linkage, first and second side walls that define a portion of the slot, and a ring that couples the first side wall to the second side wall; wherein the ring couples to the first side wall at a thinned first proximal fulcrum and to the second side wall at a thinned second proximal fulcrum and the ring pivots about the first and second proximal fulcrums when the ring is forced proximally; wherein the first side wall includes a first sidewall projection that projects past the first proximal fulcrum and the second side wall includes a second sidewall projection that projects past the second proximal fulcrum. Other embodiments are described herein.