Patient portable device for photodynamic therapy
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United States of America Patent
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-
Sep 24, 2002
Grant Date -
N/A
app pub date -
Jan 15, 1999
filing date -
Jan 15, 1999
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A patient portable photodynamic therapy device securable to a patient includes a lightweight rechargeable battery and a cold cathode fluorescent (CCF) tube powered thereby. The CCF tube is coupled in light channeling relation to a proximal portion of a biocompatible optical fiber, which includes a distal portion with an optional diffuser that uniformly distributes light as it exits the distal portion. The distal end of the optical fiber is optionally provided with an anchoring balloon that can be inflated after the optical fiber is properly positioned at a treatment site within a patient's body. The balloon securely lodges the distal portion within the tissue at the treatment site, and is deflated to facilitate the removal of the optical fiber once the treatment is complete.
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