Angioplasty apparatus facilitating rapid exchanges
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Jul 1, 2003
Grant Date -
Nov 15, 2001
app pub date -
Jul 16, 2001
filing date -
Apr 15, 1986
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
The invention provides a nested tubing cannula which comprises outer and inner elongate tubular members, both having a proximal end, a distal end, and a lumen therebetween. The inner tubular member is sealed at its distal end and is nested substantially coaxially within the lumen of the outer tubular member, so that the gap between the inner and the outer tubular member defines a second lumen whereas the first lumen is the lumen of the inner tubular member. A tubular sleeve is disposed coaxially between the inner and outer tubular members. A balloon is mounted on a distal region of the outer tubular member and is in communication with the first lumen. The cannula further comprises a port proximal or distal the balloon occluder and is in communication with the second lumen. Methods for making the devices herein are disclosed.
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