Hybrid cannula/electrode medical device and method

Details Hybrid cannula/electrode medical device and method Hybrid cannula/electrode medical device and method

2008-01-15

2008-01-15

Peffley, Michael (Department: 3739)

Surgery

Instruments

Heat application

C607S102000, C606S042000, C606S045000, C600S549000

Reexamination Certificate

active

07318822

ABSTRACT:
A cannula having a hollow metal tube for injection of liquids such as an anesthetic, or RF energy, into a patient. A thermocouple or other temperature sensor is located at the bare tip of the cannula, and a wire for the temperature sensor extends along the length of the cannula, preferably in a groove formed in the tube, or through a passageway formed in the tube. An outer insulation layer covers the tube and wire. Thus, a single device serves as both a cannula and an electrode.

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patent: WO 97/17105 (1997-05-01), None
patent: WO 99/08613 (1999-02-01), None

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