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. 06, 1990
Filed:
Aug. 09, 1988
Applicant:
Inventors:
Yue-Teh Jang, Houston, TX (US);
Vern L Liebmann, Sugar Land, TX (US);
Glenda S Villman, Freeport, TX (US);
Surendra A Amin, Lake Charles, LA (US);
Assignee:
Mallinckrodt, Inc., St. Louis, MO (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61M / ;
U.S. Cl.
CPC ...
604282 ; 604264 ;
Abstract
Inner and outer layers of a braided body portion of an intravascular catheter as well as a soft tip portion are formed from different proportioned blends of nylon and copolymer of ester linked polyethylene and polyamide to produce optimum mechanical properties in the catheter. One or more surfaces of the catheter are coated with a hydrogel containing a copolymer of polyurethane and polyvinylpyrrolidone to provide improved lubricity and antithrombogenicity.
Published as:
US4898591A; WO9001345A1; AU3986189A; EP0429481A1; JPH04502412A; AU638936B2; AU4444693A; AU4901193A; EP0429481B1; CA1326802C; DE68912943D1; DE68912943T2; AU650820B2; JP2792974B2;