Absorbable structures for ligament and tendon repair

Details Absorbable structures for ligament and tendon repair Absorbable structures for ligament and tendon repair

A - Human Necessities

61

L

A61L 27/00 (2006.01) A61B 17/11 (2006.01) A61F 2/08 (2006.01) A61L 27/48 (2006.01) A61L 27/58 (2006.01) A61B 17/00 (2006.01) A61F 2/00 (2006.01) A61F 2/02 (2006.01)

Patent

CA 2133028

18 ABSTRACT ABSORBABLE STRUCTURE FOR LIGAMENT AND TENDON REPAIR A fully absorbable prosthesis (1) for the repair of damaged ligaments and/or tendons in the form of a multilayer spiral roll comprising the following spiral layers: a foraminous layer (2) of a synthetic bioabsorbable material; a bioabsorbable film (3); and a layer (4) of a bioabsorbable biopolymer sponge. The invention also provides a method of making such a prosthesis, comprising the steps of: providing a laminate of a foraminous layer of bioabsorbable material and a bioabsorbable film; coating the laminate with a layer of an aqueous gel comprising a bioabsorbable polymer; rolling up the laminate and the gel layer into a spiral roll, followed by drying the gel to form a layer of bioabsorbable sponge. The foraminous layer (2) preferably comprises a synthetic bioabsorbable polymer having high tensile strength. The bioabsorbable film (3) and sponge layer (4) preferably comprise a chemotactic biopolymer such as collagen. (Figure 1)

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