Working shaft for photo-thermal therapy
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United States of America Patent
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Mar 21, 2000
Grant Date -
N/A
app pub date -
Dec 5, 1994
filing date -
Apr 6, 1992
priority date (Note) -
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status (Latency Note)
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Abstract
An optical working shaft system. The system includes a working shaft for insertion into a working tube of at least one of an endoscope and a catheter. The working shaft has a distal end defining a distal area in a vicinity thereof, and further includes: a device for radiating optical beams through the distal end; and a fluid for scattering the beams at least in the distal area. The fluid is operatively associated with the device for radiating such that, at least in the distal area, a path of the beams extends inside the fluid, the fluid further being effective as a coolant for removing waste heat generated by a scattering of the beams in the distal area.
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