Hot tip catheter assembly

Details Hot tip catheter assembly Hot tip catheter assembly

1990-08-23

1991-10-15

Cohen, Lee S.

Surgery

Instruments

Heat application

606 31, A61B 1738

Patent

active

050571052

ABSTRACT:
A hot tip catheter assembly is disclosed which resolves atherosclerotic plaque buildup in vivo. The catheter has a heater, a cap, a thermocouple, power leads, thermocouple leads, and a central distal lumen to position the catheter within the artery. The catheter tip has a thin, non-adhesive coating of a hard, heat-conducting material. The thermocouple is used to continuously evaluate the temperature at the tip of the catheter, and the temperature is then regulated by a computer-controlled feedback system. The catheter can completely melt the buildup without damage to the artery by direct contact with the plaque, without use of balloon catheter angioplasty.

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patent: 4582057 (1986-04-01), Auth et al.
patent: 4654024 (1987-03-01), Crittenden et al.
patent: 4672962 (1987-06-01), Hershenson
patent: 4691703 (1987-09-01), Auth et al.
patent: 4748979 (1988-06-01), Hershenson
patent: 4760845 (1988-08-01), Kovalcheck
patent: 4860744 (1989-08-01), Johnson et al.
patent: 4899741 (1990-02-01), Bentley et al.

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