Light-dispersive probe
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United States of America Patent
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May 17, 2005
Grant Date -
Sep 26, 2002
app pub date -
Mar 22, 2002
filing date -
Mar 23, 2001
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A surgical probe is disclosed that disperses light sideways from its fore end. A light-dispersive and light-transmissive medium is enclosed within a housing. The medium is preferably divided into sections containing different concentrations of a light-dispersing material within a matrix. The sections are preferably separated by non-dispersive spacers. At the tip end of the probe is preferably a mirror to reflect the light back into the dispersive medium. The mirror may consist of layers with multiple indexes of refraction. By these features, especially in combination, the directionality and intensity distribution of the emitted light may be controlled. The present invention is designed to be useful especially in the use of laser energy in the percutaneous, interstitial irradiation of tissue growths.
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