Interspinous process implant including a binder and method of implantation

US7909853B2 · kind B2 · utility

Assignee

• KYPHON SARL · CH

Inventors

• James F. Zucherman · San Francisco, US
• Ken Y. Hsu · San Francisco, US
• Henry A. Klyce · Piedmont, US
• Charles J. Winslow · Walnut Creek, US
• Scott A. Yerby · Montara, US
• John J. Flynn · Concord, US
• Steven T. Mitchell · Pleasant Hill, US
• John A. Markwart · Castro Valley, US

Key dates

• Filing date: Mar 31, 2005
• Grant date: Mar 22, 2011
• Expiry date: Jun 10, 2029

Classification

• Technology area (CPC A): Human Necessities
• CPC primary: A61B17/7065
• WIPO field: Medical technology
• WIPO sector: Instruments

Abstract

Systems in accordance with embodiments of the present invention can include an implant comprising a spacer for defining a minimum space between adjacent spinous processes, a distraction guide for piercing and distracting an interspinous ligament during implantation, and a binder for limiting or preventing flexion motion of the targeted motion segment. The binder can be secured to a brace associated with the implant during implantation by a capture device. In one embodiment, the capture device includes a fixed piece extending from the brace and a slidable piece associated with the fixed piece. A fastener can be rotated to pinch the binder between the slidable piece and a wall of the brace, securing the binder. A physician need not know the length of the binder prior to implantation, reducing the time required to perform a procedure.