Biasing mechanism for a balloon catheter
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United States of America Patent
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Sep 9, 2014
Grant Date -
Jun 7, 2012
app pub date -
Dec 6, 2011
filing date -
Dec 6, 2010
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
Methods and devices for biasing a balloon catheter are disclosed. In one example, a medical device may include a catheter shaft and a balloon assembly coupled to a distal region of the catheter shaft. The balloon assembly can define a chamber configured to be inflated and deflated using a fluid supplied from the catheter shaft. A biasing member may be positioned in the chamber of the balloon assembly and may be configured to bias the balloon assembly to a longitudinally extended state without obstructing an exhaust lumen of the catheter shaft. In some cases, the biasing member may be a spring. In other cases, the biasing member may be a coiled portion of a fluid supply line.
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