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:
Sep. 23, 2003
Filed:
Dec. 31, 1998
Fidelis C. Onwumere, Mansfield, TX (US);
Ethicon, Inc., Somerville, NJ (US);
Abstract
An apparatus and method to produce radiopaque medical implants such as catheters, stents, or other implants. A composition of a radiopaque brominated polyurethane coat and a polyurethane tubing core is formed. In one embodiment, the polyurethane coat includes a diisocyanate and a brominated diol having a bromine concentration of 30% or more. The coat is applied to the elastomeric polyurethane tubing core surface. The medical implant takes advantage of employing a brominated radiopaque polyurethane with the tensile properties, for example of flexibility and kink resistance, of the elastomeric thermoplastic polyurethane tubing core without degrading these desirable characteristics.