Electroactive polymer activation system for a medical device
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United States of America Patent
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Mar 13, 2012
Grant Date -
Mar 4, 2010
app pub date -
Aug 27, 2008
filing date -
Aug 27, 2008
priority date (Note) -
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Abstract
An activation circuit for selectively providing an electrical current to one or more electroactive polymers (EAPs) in a medical device is disclosed. The activation circuit may include a sensor for sensing a measure related to a parameter of an elongated member and/or a balloon of the medical device. The electrical current may be provided to the one or more EAPs according to the sensed parameter of the elongated member and/or the balloon of the medical device. In some cases, the activation circuit may include a comparator for comparing the sensed measure to a threshold to determine when the electrical current is applied to the EAPs. The parameter may be a pressure, a fluid flow, a temperature, and/or other suitable parameter.
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