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:
Oct. 20, 1992
Filed:
Jun. 14, 1990
Applicant:
Inventors:
Phillip E Pennell, Denver, CO (US);
John M Blackmore, Redwood City, CA (US);
Mark D Allen, Lakewood, CO (US);
Assignee:
MDR Group, Inc., Golden, CO (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61K / ; A61K / ; A61K / ;
U.S. Cl.
CPC ...
424 7837 ; 514 57 ; 514781 ;
Abstract
This invention relates to an improved viscoelastic fluid or gel for use in general surgery and also more specifically in spine and neurosurgery and also in surgery dealing with reproductive organs. The invention encompasses the method of delivering to a surgical wound an implant composition having up to about a 21/2% by weight of carboxymethylcellulose (CMC) and at least about a 0.5% by weight polyethylene oxide (PEO) in a physiologically acceptable mixture.