Plastic and nonmetallic article shaping or treating: processes – Mechanical shaping or molding to form or reform shaped article – To produce composite – plural part or multilayered article
Reexamination Certificate
2005-12-28
2008-01-01
Huson, Monica A (Department: 1732)
Plastic and nonmetallic article shaping or treating: processes
Mechanical shaping or molding to form or reform shaped article
To produce composite, plural part or multilayered article
C264S319000, C604S103060
Reexamination Certificate
active
07314588
ABSTRACT:
A balloon catheter having a balloon with a thickened wall portion extending along at least a portion of the working length section of the balloon in a noninflated configuration. The balloon has a first layer formed of a first polymeric material and a second layer formed of a second, different polymeric material, the second layer having a wall thickness which is greater along the central working length section than the wall thickness of the second layer along a section proximal and/or a section distal to the central working length of the balloon. In a presently preferred embodiment, the first layer is formed of a porous material such as expanded polytetrafluoroethylene (ePTFE), and the second layer of the balloon is formed of an elastomeric polymer. The balloon catheter has a highly flexible distal section and a relatively high strength, low profile balloon, due to the balloon configuration of the invention.
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Advanced Cardiovascular Systems Inc.
Huson Monica A
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