Apparatus for restoring the light transmittance of an image-tran

Details Apparatus for restoring the light transmittance of an image-tran Apparatus for restoring the light transmittance of an image-tran

1982-05-24

1986-02-11

Coven, Edward M.

Surgery

Truss

Perineal

362 32, A61B 106

Patent

active

045693340

ABSTRACT:
Fiber optic endoscopes exposed to X-ray or .gamma.-ray irradiation suffer discoloration of the optical fiber bundles with a reduction in light transmittance. This makes observation or examination using these devices difficult or impossible. The irradiation-induced reduction in light transmittance of image-transmitting optical fiber bundles is restored by visible light radiation emitted from a light source unit which is in turn transmitted to an end of the image-transmitting optical fiber bundle by a light-transmitting mechanism.

REFERENCES:
patent: 3131690 (1964-05-01), Innis et al.
patent: 3132646 (1964-05-01), Hett
patent: 3358573 (1967-12-01), Bihlmaier

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