The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Mar. 03, 1998
Filed:
Mar. 29, 1996
Applicant:
Inventors:
Assignees:
Toyo Boseki Kabushiki Kaisha, Osaka, JP;
Bio-Engineering Laboratories, Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61F / ; A61F / ;
U.S. Cl.
CPC ...
623 15 ; 623 11 ;
Abstract
A medical device consisting essentially of stratum compactum of tissue membrane is provided. The present invention further provides a method for producing a medical device consisting essentially of stratum compactum of tissue membrane. The method comprises the steps of: separating tissue membrane including stratum compactum from tissue; sterilizing or disinfecting the separated tissue membrane; and removing all other layers except the stratum compactum from the sterilized or disinfected tissue membrane using an enzyme.