Microcatheter
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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-
Oct 23, 2001
Issued Date -
N/A
app pub date -
Feb 24, 2000
filing date -
Nov 13, 1995
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
Disclosed is an elongate flexible microcatheter, for diagnostic and or therapeutic applications. The microcatheter is provided with a small outside diameter and high degree of flexibility, to facilitate negotiation of small, tortuous vessels such as those encountered in intercranial catheterizations. The catheter is formed from a composite of a series of tubular elements, each extending axially for a different distance along the tubular body. A distal section on one or more of the tubular components is provided with a spiral cut, to modify the flexibility properties of the finished catheter. The catheter may also be provided with an inflatable balloon, and a valve to permit the use of a single lumen for both receiving a guidewire and for conveying inflation media.
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