Optical system for powered surgical instrument system

Details Optical system for powered surgical instrument system Optical system for powered surgical instrument system

1985-09-26

1988-09-13

Laroche, Eugene R.

Illumination

Supported by vehicle structure

Condition responsive

362 32, G02B 624

Patent

active

047704861

ABSTRACT:
There is disclosed a receptacle for a plug on the end of a fiber optic light guide probe used for projecting light into an area in which a surgeon is operating, said receptacle serving to prevent heat transfer from light source to the plug of said probe. A shoulder in the bore of the receptacle engages another shoulder on the plug with minimal area of contact to minimize the area of potential heat transfer. The dimensions of the central bore of the receptacle relative to the plug are such that an air gap exists all around the plug when inserted in the receptacle. The plug is provided with an insulating sleeve behind the plug shoulder, and this sleeve is mechanically supported by a Delrin plate and insert which give the system mechanical support and which minimizes heat transfer between the mechanical support of the receptacle and the plug because of the poor heat conductivity of plastic. There is also disclosed a light concentrator comprised of a parabolic mirror which concentrates light from an input cone entering an input aperture of the mirror into a smaller output aperture of the mirror in which the tip of a fiber optic bundle resides.

REFERENCES:
patent: 4297000 (1981-10-01), Fries
patent: 4557554 (1985-12-01), Blanc
patent: 4613931 (1986-09-01), Messinger
CooperVision Brochure, CooperVision System Six.TM..
Site TXR System 2000 Brochure.

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