A - Human Necessities – 61 – M
Patent
A - Human Necessities
61
M
A61M 25/10 (2006.01) A61M 25/00 (2006.01) A61M 25/01 (2006.01) A61M 25/04 (2006.01)
Patent
CA 2094900
RETROGRADE CORONARY SINUS CATHETER Abstract of the Disclosure 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.
Carpenter Walter L.
Covert John A.
Hanson Sheila J.
Huldin Nelson L.
O'neill William G.
Carpenter Walter L.
Covert John A.
Hanson Sheila J.
Huldin Nelson L.
Minnesota Mining And Manufacturing Company
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