Antegrade/retrograde switch for cardioplegia cannulae
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United States of America Patent
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May 26, 1998
Issued Date -
N/A
app pub date -
Jan 29, 1997
filing date -
Jan 30, 1995
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A switch for selectively directing fluid to either one of two catheters and for inflating a 'manually' inflatable balloon of one of the catheters when fluid is directed to that catheter. The switch includes a valve mechanism that is operatively linked with a balloon inflation mechanism such that the balloon is inflated when fluid is directed to that catheter, and the balloon is deflated when fluid is directed to the other catheter. The switch is particularly adapted for use in administering cardioplegia solution to a patient's heart alternatively via an antegrade cardioplegia catheter and a retrograde cardioplegia catheter. A method of use of the switch is also disclosed.
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