Curved intra aortic balloon with non-folding inflated balloon membrane
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United States of America Patent
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-
May 26, 1992
Issued Date -
N/A
app pub date -
Oct 23, 1991
filing date -
Feb 1, 1990
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
An intra aortic balloon pumping device comprises a pumping balloon, an attached inflation catheter, a supporting member which is disposed within and extends from the catheter into the balloon. The balloon membrane of the invention resists the formation of membrane folds in the tail section of the balloon. This characteristic of the balloon membrane is believed to result from the addition of tension to the balloon membrane. Tension may be applied to the membrane by ensuring that the portion of the support member which is disposed within the balloon is equal to the length of the outer curve of the balloon wall such that it resides on an outer curve of the wall. Alternatively, tension may be applied by extending the support member within the balloon.
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