Surgery – Respiratory method or device – Ozone or ion generation
Patent
1979-07-26
1981-12-29
Michell, Robert W.
Surgery
Respiratory method or device
Ozone or ion generation
128305, 12830318, A61M 100
Patent
active
043077200
ABSTRACT:
An improved electrocautery instrument includes a manually retractable-extendable electrode-blade with a vacuum channel disposed therebeneath. A guide in close-spaced relationship to the electrode-blade at the end of the instrument facilitates the scraping off and cleaning of the blade-electrode as it is retracted out of the way to configure the instrument for use as an uncluttered vacuum wand.
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patent: 4137920 (1979-02-01), Bonnet
Kruter J. L.
Michell Robert W.
Smith A. C.
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