Methods of spinal nucleus replacemennt

US9011538B2 · kind B2 · utility

Assignee

• Warsaw Orthopedic, Inc.

Inventors

• Randall N. Allard · Germantown, US
• Robert S. Biscup · Chagrin Falls, US
• Thomas A. Carls · Memphis, US
• Jason Eckhardt · Memphis, US
• Tom Francis · Cordova, US
• Clayton G. Leroux · Westlake, US
• Robert Benjamin Rice · Warsaw, US

Key dates

• Filing date: Jan 21, 2009
• Grant date: Apr 21, 2015
• Expiry date: Mar 9, 2033

Classification

• Technology area (CPC A): Human Necessities
• CPC primary: A61F2310/00029
• WIPO field: Medical technology
• WIPO sector: Instruments

Abstract

A multi-piece intervertebral disc augmentation implant that may be assembled within the annulus fibrosus is disclosed. The implant may be guided into a precise location through a relatively small opening in the annulus fibrosus with the aid of an elongated guide.