Suction device with jet boost

Details Suction device with jet boost Suction device with jet boost

1996-02-16

1997-05-20

Weiss, John G.

Surgery

Means for introducing or removing material from body for...

Treating material applied to or removed from external...

604313, 604317, 55467, A61M 100, B01D 1900

Patent

active

056308078

ABSTRACT:
A device for evacuating ablation products of tissue ablated with a pulse laser beam. A gas is forced through at least one compressed gas jet nozzle. An evacuation nozzle is spaced apart from the compressed gas jet nozzle and a pulse laser beam passes in between the jet nozzle and the evacuation nozzle to illuminate and ablate tissue. A vacuum system provides a vacuum at the evacuation nozzle sufficient to provide a vacuum mass flow rate substantially greater than the compressed gas mass flow rate so that the products of the ablation are entrained in gas exiting the gas jet nozzles and evacuated along with the gas through the evacuation nozzle.

REFERENCES:
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patent: 4735603 (1988-04-01), Goodson et al.
patent: 4921492 (1990-05-01), Schultz et al.
patent: 4963134 (1990-10-01), Backscheider et al.
patent: 5009685 (1991-04-01), Wilson et al.
patent: 5015243 (1991-05-01), Schifano
patent: 5047072 (1991-09-01), Wertz et al.
patent: 5322521 (1994-06-01), Wilk

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