Antiglare tip in a sheath for an endoscope
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United States of America Patent
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-
Mar 16, 1993
Grant Date -
N/A
app pub date -
Nov 30, 1990
filing date -
Nov 30, 1990
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An antiglare tip for the sheath of an endoscope to prevent glare in an image viewer is disclosed. The antiglare tip includes an interfitting region with the endoscope to ensure that all light entering the image viewer is reflected from objects external to the endoscope. An opaque projection extends from the endoscope insertion tube between the light source and the image viewer. Opaque recesses in the tip are positioned to mate with the opaque projections extending from the endoscope end. Having mating projections and recesses aligned ensures that no light may pass directly from the light source to the image viewer via the tip. Glare resulting from internal reflections in the tip, or from an inside surface of the tip, is prevented.
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