Hard endoscope used for assisting micro-operation

Details Hard endoscope used for assisting micro-operation Hard endoscope used for assisting micro-operation

1998-11-24

2000-06-13

Dvorak, Linda C. M.

Surgery

Endoscope

Having imaging and illumination means

600102, 600138, 600160, A61B 106

Patent

active

060743425

ABSTRACT:
A hard endoscope used for assisting a micro-operation includes a body and an insert portion extending from the body. The insert portion includes a first linear portion, and a second linear portion longer than the first linear portion. The first and second linear portions are arranged forwardly in order from the body. A connecting portion is disposed between the first linear portion and the second linear portion. The insert portion thus constructed exhibits a bent configuration. The first and second linear portions have a first and a second relay lens, respectively, therein. The connecting portion has a prism therein. This prism transmits the light coming through the first relay lens to the second relay lens.

REFERENCES:
patent: 3257902 (1966-06-01), Hopkins
patent: 3261351 (1966-07-01), Wallace
patent: 3994557 (1976-11-01), Hopkins
patent: 4248213 (1981-02-01), Landre
patent: 4517963 (1985-05-01), Michel
patent: 4576147 (1986-03-01), Hashiguchi
patent: 5601549 (1997-02-01), Miyagi

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