Suction device with jet boost

Details Suction device with jet boost Suction device with jet boost

1997-05-19

1999-07-20

Weiss, John G.

Surgery

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

Treating material applied to or removed from external...

604315, A61M 100

Patent

active

059250240

ABSTRACT:
A device for evacuating plume products. A gas is forced through at least one compressed gas jet nozzle which directs a compressed gas flow toward an evacuation orifice. A vacuum system provides a vacuum at said evacuation orifice sufficient to provide a vacuum mass flow rate substantially greater than said compressed gas mass flow rate so that the plume products are entrained in gas exiting said gas jet nozzles and evacuated along with the gas through the evacuation orifice. In one embodiment, compressed gas may be cooled to produce aerosol particles to further improve collection efficiency and produce beneficial therapeutic effects. The device is especially useful in laser surgery to evacuate ablation products in plumes created by pulse lasers.

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