Noise attenuating smokeless surgical device

Details Noise attenuating smokeless surgical device Noise attenuating smokeless surgical device

1986-04-11

1987-08-04

Recla, Henry J.

Surgery

Truss

Pad

128910, 12830317, A61B 1736

Patent

active

046838848

ABSTRACT:
A smokeless, low noise electrosurgical device includes a tubular housing having a passage extending axially therethrough, with one end of the passage connected to a source of negative gauge pressure. The other, inlet end of the housing is provided with an electrosurgical cutting device or cauterizing probe extending therefrom. The inlet to the passage comprises a wide opening having side walls which converge to a relatively narrow port in flow communication with the passage in the housing. The port is significantly narrower than the passage, resulting in significantly reduced noise generated by the fluid flow into the inlet and through the passage.

REFERENCES:
patent: 1611475 (1926-12-01), Maxim
patent: 3031760 (1962-05-01), Bender
patent: 3589363 (1971-06-01), Banko et al.
patent: 3782497 (1974-01-01), Bidwell et al.
patent: 3906955 (1975-09-01), Roberts
patent: 3990452 (1976-11-01), Murry et al.
patent: 4192336 (1980-03-01), Farguhar et al.
patent: 4531934 (1985-07-01), Kossovsky et al.

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