Vortex hand piece shroud for automatic smoke evacuator system fo

Details Vortex hand piece shroud for automatic smoke evacuator system fo Vortex hand piece shroud for automatic smoke evacuator system fo

1994-02-15

1995-07-11

Pellegrino, Stephen C.

Surgery

Instruments

Electrical application

606 13, 606 45, 604 22, A61B 1739

Patent

active

054316502

ABSTRACT:
A electrosurgical unit (ESU) apparatus is disclosed in which an improved handpiece and smoke evacuation shroud apparatus and method provides efficient smoke collection without obstructing the surgeon's view of the surgical site through use of a smoke evacuation shroud design which controls the velocity and direction of the evacuating air flow in the vicinity of the surgical site by forming a vortex. This vortex creates a "funnel cloud" type action like that of a tornado or cyclone which contains the smoke immediately as it is generated by the cutting and coagulating action of the operating tip of the ESU surgery handpiece. The action of this vortex is a key advantage of the invention since generated smoke is immediately contained, and removed thereby avoiding obstructing the view of the surgeon.

REFERENCES:
patent: 4719914 (1988-01-01), Johnson
patent: 4850352 (1989-07-01), Johnson
patent: 5055100 (1991-10-01), Olsen
patent: 5154709 (1992-10-01), Johnson
patent: 5181916 (1993-01-01), Reynolds et al.
patent: 5192267 (1993-03-01), Shapira et al.

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