Surgery – Truss – Perineal
Patent
1987-05-20
1988-06-28
Grieb, William H.
Surgery
Truss
Perineal
738658, 350 9626, 356241, G02B 2326
Patent
active
047532246
ABSTRACT:
In an endoscope having an objective optical system and an illuminating optical system formed in the tip of the insertable part; an incised or inclined surface is formed on the periphery of the tip by incising or cutting away the outer surface of the tip to provide a surface which is not parallel with the longitudinal axis of the insertable part but is closely adjacent to the objective optical system.
REFERENCES:
patent: 3799150 (1974-03-01), Bonnet
patent: 4530568 (1985-07-01), Haduch et al.
patent: 4576147 (1986-03-01), Hashiguchi
Grieb William H.
Olympus Optical Co,. Ltd.
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