Examining device with improved optical coupling between the ligh

Details Examining device with improved optical coupling between the ligh Examining device with improved optical coupling between the ligh

1984-11-08

1986-04-22

Grieb, William H.

Surgery

Truss

Perineal

362296, 362347, 362804, A61B 106, F41M 304

Patent

active

045835284

ABSTRACT:
An examining or viewing device such as a laryngoscope having improved optical coupling between a light source and a light receiving face of a light conductor. The light source is provided with a reflector preferably ellipsoidal in shape which concentrates the light reflected into a converging conically shaped light beam which fall essentially in its entirety onto the light receiving surface of the light conductor.

REFERENCES:
patent: 3426749 (1969-02-01), Jephcott
patent: 3598113 (1971-08-01), Moore
patent: 3609340 (1971-09-01), Habro
patent: 3766909 (1973-10-01), Ozbey
patent: 3771514 (1973-11-01), Huffman et al.
patent: 3826248 (1974-07-01), Gobels
patent: 4037588 (1977-07-01), Heckele
patent: 4114609 (1977-09-01), Moses
patent: 4273112 (1981-06-01), Heine et al.
patent: 4295465 (1981-10-01), Racz et al.
patent: 4306547 (1981-12-01), Lowell
patent: 4320745 (1982-03-01), Bhitiyakul et al.

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