Atraumatic laser tip for atrial fibrillation treatment
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United States of America Patent
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-
Nov 21, 2006
Grant Date -
Jul 21, 2005
app pub date -
Mar 15, 2005
filing date -
Oct 30, 2003
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An apparatus for forming a lesion in cardiac tissue includes an optical fiber for guiding a coherent waveform of a selected wavelength to a fiber tip. The wavelength is selected to have a low absorption in water. The fiber tip is contained within a guide member having a discharge bore for a direction of energy discharge to define an unobstructed light pathway from the fiber tip through a discharge end of the discharge bore. A fluid pathway is in fluid flow communication with the guide member to admit a bio-compatible flushing fluid to the discharge bore.
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