Occlusion cannula and methods of use
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United States of America Patent
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-
Jul 29, 2003
Grant Date -
Oct 4, 2001
app pub date -
Mar 7, 2001
filing date -
Nov 24, 1998
priority date (Note) -
In Force
status (Latency Note)
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Abstract
The invention provides a nested tubing cannula which comprises outer and inner elongate tubular members, each 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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