Miniature endoscope with imaging fiber system

Details Miniature endoscope with imaging fiber system Miniature endoscope with imaging fiber system

2005-03-08

2005-03-08

Peffley, Michael (Department: 3739)

Surgery

Endoscope

With particular arrangement of internal elements

C600S160000

Reexamination Certificate

active

06863651

ABSTRACT:
An endoscope has a fiber optic waveguide that transmits an image from a distal end to a proximal end, the waveguide having an outer diameter of less than 3 mm. A lens system is positioned at the distal end of the fiber optic waveguide. An imaging device is optically coupled to the proximal end of fiber optic waveguide. A disposable sheath extends about the fiber optic waveguide to provide a sterile barrier, and in a preferred embodiment the sheath includes an illumination channel. In a preferred embodiment, the lens system has a first lens element, a second lens element and an aperture stop.

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Rol, P. et al., “Optical Properties of Miniaturized Endoscopes for Ophthalmic Use”,Optical Engineering, vol. 34, No. 7, pp. 2070-2077, Jul. 1995.

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