Channel forming device with penetration limiter
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United States of America Patent
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-
Mar 21, 2000
Issued Date -
N/A
app pub date -
Jan 11, 1996
filing date -
Jun 7, 1995
priority date (Note) -
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status (Latency Note)
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Abstract
An laser device for forming channels within an outer wall of a patient's heart which has an elongated optical fiber, a lens or probe tip secured to the distal end of the optical fiber and means to limit the penetration of the probe tip or lens. Preferably, an outer support sleeve is secured to the proximal portion of the probe tip and a distal portion of the optical fiber proximal to the probe tip. In one preferred embodiment of the invention, a helical coil is disposed between the distal portion of the optical fiber and the proximal portion of the probe tip to ensure a better bond therebetween, particularly when the optical fiber has a lubricous fluoropolymer coating.
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