Antegrade cardioplegia cannula
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United States of America Patent
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-
May 7, 1991
Grant Date -
N/A
app pub date -
Sep 21, 1989
filing date -
Sep 21, 1989
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A cannula adapted for antegrade administration of cardioplegic solutions during surgical procedures on the heart. The cannula includes a flow lumen having a smooth interior surface to reduce hemolysis when blood is passed therethrough during reperfusion. Structures are included to allow the wall of the vessel, generally the aortic root, to be readily pierced so that fluid may pass through the flow lumen of the cannula into the heart. A suture flange is provided to secure the cannula to the heart. A pressure lumen is provided to communicate the pressure within the heart to a location where it can be monitored. A vent line is also provided to allow a surgeon to readily vent fluids out of the heart.
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