Surgery – Means for introducing or removing material from body for... – Treating material introduced into or removed from body...
Patent
1992-04-27
1994-06-28
Rosenbaum, C. Fred
Surgery
Means for introducing or removing material from body for...
Treating material introduced into or removed from body...
604100, 606194, A61M 2900
Patent
active
053242602
ABSTRACT:
A coronary sinus catheter for the retrograde infusion of cardioplegia solutions into the coronary sinus. The catheter is adapted for improved retention in the coronary sinus. The catheter comprises a catheter tube having infusion, pressure-sensing and balloon-inflation lumens, an inflatable balloon and a pressure sensor tube in fluid communication with the balloon-inflation lumen for sensing pressure in the inflatable balloon. The internal volume of the pressure sensor tube is relatively non-expansible relative to the internal volume of the inflation balloon in normal operation of the catheter. Other aspects of the invention include a constricted portion in the infusion lumen that is believed to eliminate spraying of fluid through the infusion lumen outlet(s), and a temperature sensor strip providing a display on the catheter of the temperature of the infused fluid.
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Covert John A.
Hanson Sheila J.
Huldin Nelson L.
O'Neill William G.
Bauer Stephen W.
Griswold Gary L.
Kirn Walter N.
Maglione Corrine
Minnesota Mining and Manufacturing Company
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