Antegrade/retrograde cardioplegia method and system
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United States of America Patent
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Nov 14, 1995
Grant Date -
N/A
app pub date -
Apr 11, 1994
filing date -
Apr 11, 1994
priority date (Note) -
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status (Latency Note)
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Abstract
An antegrade/retrograde cardioplegia valve, system and method are provided. The valve includes conduits for entry of blood and cardioplegic solution, for pressure sensing, and for delivery of blood and cardioplegic solution to the aortic root by means of an aortic root cannula for antegrade infusion or to the coronary sinus by means of a coronary sinus cannula for retrograde infusion. Within the valve a cylindrical sliding member slides axially within an inner cylindrical chamber for selection of retrograde or antegrade infusion. An independent conduit communicates with the coronary sinus cannula for continuous coronary sinus pressure monitoring. A method and system incorporating the valve are also provided.
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