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:
Feb. 04, 1992
Filed:
Apr. 10, 1990
Applicant:
Inventors:
Yoshito Ikada, Uji, JP;
Toshiyuki Okada, Takarazuka, JP;
Tatsuya Kawai, Hiroshima, JP;
Michiaki Yoshimoto, Hiroshima, JP;
Assignee:
Japan Medical Supply Co., Ltd., Hiroshima, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61M / ;
U.S. Cl.
CPC ...
604 29 ; 604 27 ; 604264 ; 623 12 ;
Abstract
A catheter is provided which can be safely implanted in the living body for extended periods of time. At least that portion of the catheter which contacts the tissue comprises a cuff of porous material which is made of a vinyl alcohol polymer to which, preferably, collagen has been chemically grafted.