Laterally-emitting laser medical device
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United States of America Patent
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Nov 10, 1998
Grant Date -
N/A
app pub date -
Jan 12, 1996
filing date -
Jan 12, 1996
priority date (Note) -
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Abstract
A laser medical device for delivering energy to tissue to be treated. The device includes a laser energy transmitting conduit having a longitudinal axis, and has a proximal end for connection to a source of laser energy and a distal end from which laser energy transmitted by the conduit is emitted. A laser energy redirecting member is located adjacent the distal end of the conduit for redirecting the laser energy in a lateral direction with respect to the axis of the conduit, and a tissue contact member is provided adjacent the laser energy redirecting member. The tissue contact member has a transverse cross section of preselected shape and a longitudinal axis generally transverse to the axis of the conduit. The tissue contact member further has an input surface for receiving laser energy redirected by the laser energy redirecting member and transmitting the laser energy received from the laser energy redirecting member. The tissue contact member terminates in a tissue contact surface having a radius of curvature. The dimensions of the tissue contact member and the radius of curvature of the tissue contact surface are determined and structural such that laser energy is transmitted divergently therethrough and impinges upon the tissue contact surface in a substantially diffuse pattern.
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