Intravascular device and method of manufacture and use
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United States of America Patent
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Issued Date -
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app pub date -
Apr 18, 2005
filing date -
Feb 3, 1998
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
An intravascular device and method of constructing an intravascular device. The device has a proximal portion which is stiffer than a distal portion. The device of the present invention may also be advanced through small vessels without the aid of a guidewire although a guidewire may be used when necessary. The device may be manufactured in a number of different ways and a preferred method is to use an expanded PTFE liner at the distal portion and an etched PTFE liner along the proximal portion. The device also has a number of different jacket sections, preferably at least four, with increasing durometer towards the proximal end and a braided section with varying pic along the length.
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