Endoscope with curved optical axis

Details Endoscope with curved optical axis Endoscope with curved optical axis

1997-11-10

1999-03-30

Leubecker, John P.

Surgery

Endoscope

Having imaging and illumination means

359435, 600130, 600138, A61B 1002

Patent

active

058881930

ABSTRACT:
An endoscope has an elongated sheath that follows a curved path. The sheath houses a plurality of relay lens sets designed to have a maximum usable field of view that is greater than the size of an image to be produced. Discrete lens elements within the image transfer guide allow the image to offset to the edges of the maximum usable field of view thereby to allow the axes through the individual sets to progressively shift in angle to form the curved path. This provides endoscopes that are particularly useful as arthroscopes or

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