Tip structure for variable direction of view endoscope

Details Tip structure for variable direction of view endoscope Tip structure for variable direction of view endoscope

2008-05-20

2008-05-20

Leubecker, John P. (Department: 3739)

Surgery

Endoscope

Having imaging and illumination means

C600S128000, C600S129000

Reexamination Certificate

active

11054068

ABSTRACT:
A variable direction of view endoscope generally comprising an endoscope shaft, an objective optical system disposed in the distal end of the shaft that defines a view vector movable relative to the longitudinal axis of the shaft, and a viewing window located in the distal end of the shaft through which the view vector scans over a range of different view vector directions when moved relative to the longitudinal axis of the shaft. A portion of the distal section of the endoscope shaft adjacent and proximal to the viewing window has a cross-section perpendicular to the longitudinal axis of the shaft, and at least two regions within the cross section are connectable by a straight line that does not lie within or on the boundary of the cross section. In certain embodiments, cross section comprises at least two disjoint closed sets of points.

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