Patent ID: 6520959
Filing Date: 2003-02-18
Classification: A61B,A61N

Abstract:
A lateral-irradiation type laser irradiating device for irradiating a tissue with laser beams capable of reaching a depth in the organism, comprisingan elongate main body, at least one light guiding member disposed in said main body and adapted to guide said laser beams, emitting means provided with a plurality of emitting parts for laterally or obliquely issuing said laser beams guided by said light guiding member so that said laser beams pass through different routes and converge towards one another at a target position in the organism to treat the tissue, and an emitting direction altering means for altering the direction of emission of the laser beam emitting from at least one of said emitting parts, whereby said target position is moved by altering the direction of emission of said laser beams by the use of said emitting direction altering means.