Method and apparatus for in vivo heart valve decalcification
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United States of America Patent
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Mar 22, 1994
Grant Date -
N/A
app pub date -
Apr 4, 1991
filing date -
Apr 4, 1991
priority date (Note) -
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Importance
Abstract
A method and apparatus for in vivo removal of calcified deposits from an aortic valve. The apparatus includes an anchoring balloon catheter fixatable across the aortic valve, a tool for removing the deposits, and attachment means for securing the tool with respect to the anchoring balloon and the aortic valve. The method involves advancing an anchoring balloon catheter through the aorta and positioning it across the aortic valve, inflating the anchoring balloon to fixate it with respect to the aorta and aortic valve, and then operating a deposit removal tool secured to the anchoring balloon to remove the deposits.
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