Process for the production of a bonded collagen fiber sheet

US4621631A · kind A · utility

Assignee

• Behringwerke Aktiengesellschaft · DE

Inventors

• Eric-Paul Paques · Marburg, DE
• Peter Fuhge · Lahntal, DE

Key dates

• Filing date: Dec 23, 1983
• Grant date: Nov 11, 1986
• Expiry date: Dec 23, 2003

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y10S128/08
• WIPO field: Medical technology
• WIPO sector: Instruments

Abstract

A process for the production of an unnative and biologically active bonded collagen fiber sheet from human placentae is described, in which process collagen-containing material from placentae is treated with a neutral salt solution, a solution of citric acid and with pepsin. The degraded collagen material obtained in this manner is, where appropriate, treated with a crosslinking agent. The collagen material produced in this manner is used for producing bonded collagen fiber sheets which can be used, for example, as covering for wounds.