Video equipped endoscope with needle probe

Details Video equipped endoscope with needle probe Video equipped endoscope with needle probe

1987-11-12

1989-08-08

Picard, Leo P.

Surgery

Truss

Perineal

128 4, 358 98, A61B 100, A61B 106

Patent

active

048543020

ABSTRACT:
An instrument for penetrating a small opening for closely examining an interior target. The instrument has a narrow needle probe that forms an image of the target and carries it into a main housing. In the housing, a miniature solid-state imager receives the image and forms a video signal that is transmitted, through a long flexible conduit, to a video monitor. The probe is formed of a steel tubular sleeve containing a self-focusing rod lens. A fiber optic bundle surrounds the rod lens to carry illumination to the end of the sleeve for illuminating the target area. A guide tube can be affixed on the sleeve to guide a tool into the target area.

REFERENCES:
patent: 4281929 (1981-08-01), Lord et al.
patent: 4440157 (1984-04-01), Shishido
patent: 4491865 (1985-01-01), Danna et al.
patent: 4539976 (1985-09-01), Sharpe
patent: 4601284 (1986-07-01), Arakawa et al.
patent: 4607622 (1986-08-01), Fritch et al.
patent: 4643546 (1987-02-01), Richards
NSG America, Inc. Selfoc Rod Lens (brochure) 1986.

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