Multi-channel optical coupler for spinning catheter
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United States of America Patent
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May 17, 2005
Grant Date -
Dec 11, 2003
app pub date -
Jun 7, 2002
filing date -
Jun 7, 2002
priority date (Note) -
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Abstract
A system for identifying vulnerable plaque includes a catheter having a collection fiber and a delivery fiber extending therethrough. The catheter is engaged to a distal face of a housing configured to spin about an axis. The proximal face of the housing has a central aperture. First and second optical relays extend respectively between the central aperture and a central port on the distal face and between a detector and an eccentric port on the distal face. The central and eccentric ports are in optical communication with the delivery and collection fibers respectively.
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