Flowable carrier matrix and methods for delivering to a patient

US8198238B2 · kind B2 · utility

Assignee

• Warsaw Orthopedic, Inc.

Inventors

• Neil B. Beals · Memphis, US
• Jeffrey L. Scifert · Arlington, US
• Scott D. Boden · Atlanta, US

Key dates

• Filing date: Sep 15, 2011
• Grant date: Jun 12, 2012
• Expiry date: Sep 15, 2031

Classification

• Technology area (CPC A): Human Necessities
• CPC primary: A61L2300/414
• WIPO field: Pharmaceuticals
• WIPO sector: Chemistry

Abstract

A carrier matrix may be delivered to a target position within a patient in a minimally invasive manner by first cutting a collagen sponge sheet into a plurality of relatively small pieces. These pieces are sized so that, when wet, they are capable of flowing through a cannula and/or reduced-diameter syringe tip. The pieces are placed into a syringe and wetted, say with a morphogenic solution, and optionally mixed with a bulking material, which is similarly sized to fit through the cannula. The thoroughly mixed and wetted product forms a viscous aggregate which may then be injected into the patient at the target site.