Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Debbie Yuen0
Peggy Hansen0
Shu-Tung Li0
Date of Patent
May 20, 2008
0Patent Application Number
106104650
Date Filed
June 30, 2003
0Patent Primary Examiner
Patent abstract
A cell occlusion sheet membrane adapted for repairing a damaged meningeal tissue. The sheet membrane contains a layer of cross-linked, oriented biopolymeric fibers that has a thickness of 0.1 mm to 3.0 mm, a density of 0.1 g/cm3 to 1.2 g/cm3, a hydrothermal shrinkage temperature of 45° C. to 80° C., a suture pullout strength of 0.1 kg to 5 kg, a tensile strength of 10 kg/cm2 to 150 kg/cm2, and permeability to molecules having molecular weights of 200 to 300,000 daltons. Also disclosed is a method for making the membrane.
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