Expandable intervertebral spacers and methods of use

US8257442B2 · kind B2 · utility

Assignee

• Warsaw Orthopedic, Inc.

Inventors

• Jason A. Edie · Sandy, US
• Lloyd Guyton Bowers Cooper · Birmingham, US
• Jerrod Bradley Windham · Auburn, US
• John Caleb Dawson · Meridian, US
• Don Byron Walker, II · Muscle Shoals, US

Key dates

• Filing date: Mar 11, 2010
• Grant date: Sep 4, 2012
• Expiry date: Oct 22, 2030

Classification

• Technology area (CPC A): Human Necessities
• CPC primary: A61F2310/00976
• WIPO field: Medical technology
• WIPO sector: Instruments

Abstract

An intervertebral spacer is inserted between vertebral members in a compact configuration and expanded post-insertion to contact the adjacent vertebral members. The intervertebral spacer comprises a first member and a second member movable with respect to the first member between retracted and extended positions.