Endoscope

Details Endoscope Endoscope

1996-01-31

1999-08-31

Flanagan, Beverly M.

Surgery

Endoscope

Having imaging and illumination means

600920, A61B 106

Patent

active

059446560

ABSTRACT:
An endoscope contains no adhesives, epoxies, or other organic materials. The endoscope includes a set of lenses held in position by cylindrical spacers. A pair of windows seal the ends of the endoscope, and prevent the lenses and spacers from falling out. The windows are brazed to the endoscope. Due to the use of brazing, no adhesives are needed to hold the lenses or windows in place. Thus, one can sterilize the endoscope in the high temperature environment of an autoclave, without risking damage to the optical components. The brazing produces a hermetic seal which enables the endoscope to function properly in an environment of high temperature or high pressure, or in chemically abusive environments.

REFERENCES:
patent: 4341205 (1982-07-01), Hosano
patent: 4798452 (1989-01-01), Erb
patent: 4834497 (1989-05-01), Angel
patent: 4988163 (1991-01-01), Cohen
patent: 5061026 (1991-10-01), Clarke
patent: 5182791 (1993-01-01), Pollack
patent: 5349941 (1994-09-01), Hori
patent: 5411020 (1995-05-01), Ito
patent: 5463712 (1995-10-01), Cawood
patent: 5536244 (1996-07-01), Muller et al.
patent: 5554099 (1996-09-01), Heimberger et al.

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