Optical Coupler for Rotating Catheter
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United States of America Patent
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app pub date -
Nov 9, 2009
filing date -
Dec 4, 2002
priority date (Note) -
Abandoned
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Abstract
An optical coupler for coupling to a rotating catheter has a housing with a rotatable distal face and a stationary proximal face. The distal face has an eccentric port and a central port. A lens is disposed inside the housing to intercept a rotating collection beam emerging from the eccentric port and to re-direct the collection beam to a focus proximal to the lens as the collection beam rotates. A beam re-director disposed between the lens and the distal face is oriented to direct a delivery beam toward the central port.
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