Endoscope with direction indication mechanism

Details Endoscope with direction indication mechanism Endoscope with direction indication mechanism

1992-10-23

1993-07-06

Apley, Richard J.

Surgery

Truss

Perineal

126 6, A61B 100

Patent

active

052244679

ABSTRACT:
In order to confirm the direction of each portion of an image picked up by an endoscope, the endoscope includes a direction indication mechanism detachably mounted on a tip member. This direction indication mechanism includes an annular holder member which is held in contact with a front end face of the tip member and is arranged along a peripheral edge of an inspection window, and a displacement member supported by the holder member for displacement circumferentially of the holder member under the influence of gravity. The displacement member has a direction indication portion disposed radially inwardly of the inner peripheral edge of the holder member and the peripheral edge of the inspection widow. The direction indication portion is observed from the inspection window. When the direction indication function is not needed, the direction indication mechanism is detached from the tip member.

REFERENCES:
patent: 1495629 (1924-05-01), Arthur
patent: 3533167 (1970-10-01), Thompson et al.
patent: 3889627 (1975-06-01), Cloyd
patent: 4340302 (1982-07-01), Oku
patent: 5099850 (1992-03-01), Matsui et al.

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