Dilatation balloon catheter and method of manufacturing
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United States of America Patent
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Oct 20, 1992
Issued Date -
N/A
app pub date -
Dec 23, 1991
filing date -
Dec 28, 1989
priority date (Note) -
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status (Latency Note)
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Abstract
An angioplasty catheter has a one-piece, flexible elongated tube in which a hollow proximal section tapers to form a solid distal core with a solid cross-section. The core further tapers to form a safety wire at the distal end of the catheter. An inflatable balloon circumscribes the elongated tube and the interior of the balloon is in fluid communication with a lumen defined by the hollow proximal section of the tube through at least one aperture extending through the tube wall and into the balloon interior. A coil spring extends distally from the balloon about the solid distal core and safety wire, with the safety wire secured to an end cap of the coil spring.
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