Stent installation method using balloon catheter having stepped compliance curve
First Claim
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1. A balloon for a medical catheter, the balloon having a molded configuration with a longitudinal axis, the balloon configuration, when viewed in longitudinal quarter section, comprises:
- first and second waist segments spaced longitudinally apart from each other and defining a longitudinally intermediate region therebetween, each waist segment being bonded to the catheter, first and second step segments within said intermediate region and spaced longitudinally apart from each other, each being and spaced radially from the longitudinal axis and from said waist segments, the second step segment being spaced radially from the longitudinal axis a greater distance than the first segment, a first diverging portion extending between the first waist segment and the first step segment, a second diverging portion extending between the first step segment and the second step segment, and a transition portion extending between the second step segment and the second waist segment.
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Abstract
A balloon catheter suitable for deploying a stent utilizes a balloon molded with a stepped diameter profile.
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Citations
10 Claims
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1. A balloon for a medical catheter, the balloon having a molded configuration with a longitudinal axis, the balloon configuration, when viewed in longitudinal quarter section, comprises:
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first and second waist segments spaced longitudinally apart from each other and defining a longitudinally intermediate region therebetween, each waist segment being bonded to the catheter, first and second step segments within said intermediate region and spaced longitudinally apart from each other, each being and spaced radially from the longitudinal axis and from said waist segments, the second step segment being spaced radially from the longitudinal axis a greater distance than the first segment, a first diverging portion extending between the first waist segment and the first step segment, a second diverging portion extending between the first step segment and the second step segment, and a transition portion extending between the second step segment and the second waist segment. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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Specification