Photoendoscope having a distal electronic flash-tube guard

Details Photoendoscope having a distal electronic flash-tube guard Photoendoscope having a distal electronic flash-tube guard

1977-09-20

1979-12-04

Crowder, Clifford D.

Surgery

Truss

Perineal

354 62, 362 10, 362376, A61B 104

Patent

active

041766610

ABSTRACT:
A photoendoscope comprising a telescope tube defining, near its distal end a viewing port, flash-tube assembly means connected to the distal end of the telescope tube and including a flash-tube proper enveloped in transparent protective sheath means arranged in a housing defining an aperture for transmitting light from the flash-tube proper and light conductor means extending along the telescope tube and terminating proximally of said viewing port, a barrel enclosing said telescope tube and said light conductor means at least in their distal end regions, and said flash-tube means, said barrel defining two apertures aligning respectively with said viewing port and with said flash-tube light transmitting aperture, and a transparent cylindrical sheath which is secured in said barrel, which extends for approximately the length of said flashtube proper and which covers said flash-tube light transmitting aperture, said transparent cylindrical sheath having a wall thickness which is greater where it covers said flash-tube light transmitting aperture than in the remainder of the sheath.

REFERENCES:
patent: 879224 (1908-02-01), Wappler
patent: 1199731 (1916-09-01), Ilgner
patent: 2228680 (1941-01-01), Tornblom
patent: 2541976 (1951-02-01), Bogart
patent: 2789205 (1957-04-01), Schwartz et al.
patent: 3253524 (1966-05-01), Ashizawa et al.
patent: 3256875 (1966-06-01), Tsepeleu et al.
patent: 3297022 (1967-01-01), Wallace
patent: 3593706 (1971-07-01), Schubert
patent: 3808495 (1974-04-01), Win
patent: 4042819 (1977-08-01), Dacal

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