Intubating video endoscope

Details Intubating video endoscope Intubating video endoscope

1988-06-10

1989-07-11

Grieb, William H.

Surgery

Truss

Perineal

604 99, A61B 104

Patent

active

048461539

ABSTRACT:
An endoscope includes an elongated sheath member, with a selectively controllable bendable section which houses an image forming optical system. A generally rigid section includes a control housing. An image transmitting optical system extends throughout the length of the sheath member and terminates behind and adjacent the image forming system. A light transmitting system also extends throughout the length of the sheath member to the image forming optical system, the rearward end of which is adapted to be operatively connected to a light source. A channel, extending throughout the length of the sheath member, provides a flow of pressurized gas is directed across the image forming optical system to keep the image forming optical system operationally clear.

REFERENCES:
patent: 3760797 (1973-09-01), Stauffer
patent: 3788304 (1974-01-01), Takahashi
patent: 4146019 (1979-03-01), Bass et al.
patent: 4495948 (1985-01-01), Shapiro
patent: 4615332 (1986-10-01), Buess et al.
patent: 4616630 (1986-10-01), Arakawa

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