Battery-powered light source arrangement for endoscope
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United States of America Patent
Stats
-
Jul 17, 2001
Grant Date -
N/A
app pub date -
Aug 3, 1999
filing date -
Aug 21, 1998
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A light source arrangement for a battery-powered light source unit of an endoscope comprises a cylindrical housing, a base disposed at one end of the housing, a plurality of LEDs connected to a flexible circuit board supported on the base and a focusing lens. A light guide for directing light emanating from the LEDs. The light guide comprises a reflective surface formed on an inner wall of the housing, a reflector having a concave reflective surface which is disposed at one end of the housing so as to surround the LEDs or a micro-lens array disposed in front of the LEDs with each micro lens aligned with the LED.
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Cited Art Landscape
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