Ultrasonic device with temperature sensing sleeve

Details Ultrasonic device with temperature sensing sleeve Ultrasonic device with temperature sensing sleeve

1994-10-19

1996-03-05

Pellegrino, Stephen C.

Surgery

Instruments

Cutting, puncturing or piercing

374162, A61N 700, A61B 1732, G01K 1100

Patent

active

054963427

ABSTRACT:
A sleeve that is mounted to the tip of a surgical instrument. The sleeve contains a secondary material that changes color as a function of temperature. The instrument may be an ultrasonic tip that emulsifies tissue. The emulsification of tissue generates heat that raises the temperature of the sleeve. The secondary material changes color when the sleeve temperature exceeds a threshold level, thereby providing an indication of an excessive tissue temperature.

REFERENCES:
patent: 4278349 (1981-07-01), Sander
patent: 4457633 (1984-07-01), Andrews
patent: 4808154 (1989-02-01), Freeman

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