Autoclavable endoscope

Details Autoclavable endoscope Autoclavable endoscope

2005-10-18

2005-10-18

Flanagan, Beverly M. (Department: 3739)

Surgery

Endoscope

Sterilizable

C600S101000, C600S138000, C600S161000

Reexamination Certificate

active

06955644

ABSTRACT:
A rigid endoscope includes an outer housing subassembly that supports an optics subassembly. The outer body subassembly includes concentric tubes with optical fiber for providing object illumination. The optics subassembly includes a tubular sheath sealed at both ends. A compression spring is positioned between a proximal most relay lens element and a distal most eyepiece element. The spring exerts a distally acting force on the elements of an optical objective and relay lens system. It also produces a proximally directed force on optical elements in the eyepiece. This minimizes differential thermal expansion stresses during autoclaving operations.

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