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. 20, 2005
Filed:
Mar. 21, 2002
Florencia Lim, Union City, CA (US);
Chi Le Long, San Jose, CA (US);
Charles D. Claude, Santa Clara, CA (US);
Jeong S. Lee, Diamond Bar, CA (US);
Srinivasan Sridharan, Morgan Hill, CA (US);
Fernando Gonzalez, Campbell, CA (US);
Edwin Wang, Tustin, CA (US);
Florencia Lim, Union City, CA (US);
Chi Le Long, San Jose, CA (US);
Charles D. Claude, Santa Clara, CA (US);
Jeong S. Lee, Diamond Bar, CA (US);
Srinivasan Sridharan, Morgan Hill, CA (US);
Fernando Gonzalez, Campbell, CA (US);
Edwin Wang, Tustin, CA (US);
Advanced Cardiovascular Systems, Inc., Santa Clara, CA (US);
Abstract
A catheter balloon formed of a polymeric material such as expanded polytetrafluoroethylene (ePTFE) bonded to a second layer formed of a low tensile set polymer and/or impregnated with a low tensile set polymer. In a presently preferred embodiment, the low tensile set polymer is a silicone-polyurethane copolymer elastomer or a diene polymer elastomer. The low tensile set polymer has high strength, low modulus, high elongation, and low tensile set. The diene or silicone-polyurethane has a low tensile set, which facilitates deflation of the balloon to a low profile deflated configuration. One aspect of the invention provides improved attachment of the diene to the ePTFE. In one embodiment, the second layer is formed of a diene mixed with a bonding promoter such as a vulcanizing agent which is covalently bonded to the diene.