Patent Number: 8,025,676

Title: Bioabsorbable implantable structure

Abstract: Provided is a method of producing a bioabsorbable, implantable substrate having a graded molecular weight distribution, comprising exposing at least a portion of the implantable substrate to electron beam irradiation. There is also provided a bioabsorbable, implantable substrate comprising a bioabsorbable polymer having a graded molecular weight distribution through at least a portion of its thickness.

Inventors: Buchanan; Fraser James (Co. Antrim, IE)

Assignee: The Queen's University of Belfast

International Classification: A61B 17/04 (20060101); H01J 37/30 (20060101); A61L 17/00 (20060101); A61F 2/02 (20060101)

Expiration Date: 2019-09-27 0:00:00