A - Human Necessities – 61 – N
Patent
A - Human Necessities
61
N
A61N 5/06 (2006.01) A61B 1/07 (2006.01) A61N 5/00 (2006.01) A61N 5/073 (2006.01)
Patent
CA 2224361
An optical fiber unit for medical examination and treatment according to the invention has an object of not requiring any light condensing lens group by making the tip end side of the optical fiber light guide a tapered conduit part. Optical fiber light guide 1 has flexibility and guides light including infrared rays emitted from a light source (not illustrated) to probe 4 which is located at the tip end thereof, through a flexible guide tube 3. The tapered conduit part 5, the diameter of which is made smaller toward the tip end thereof condenses the light and allows the same to be emitted from the tip end plane of the probe 4. The rectilinear polarization plate 8 rectilinearly polarizes light including infrared rays emitted from the tip end plane of the tapered conduit part 5 and irradiates the same onto an affected part.
Appareil à fibre optique pour examen et traitement médical, qui ne requiert aucune lentille de champ collectif puisque l'extrémité latérale du guide a la forme d'un conduit effilé. Le guide optique (1) est souple et guide la lumière, y compris les rayons infrarouges émis par une source de lumière (non illustrée), vers une sonde (4) située à son extrémité, au moyen d'un tube de guidage souple (3). Le conduit effilé (5), dont le diamètre rétrécit vers l'extrémité, condense la lumière et lui permet d'être émise à partir de l'extrémité de la sonde (4). Une plaque de polarisation rectiligne (8) permet aux rayons, y compris les rayons infrarouges, émis à partir de l'extrémité du conduit effilé (5), d'être diffusés sur la partie affectée.
Kobayashi Takemi
Kondo Hiroaki
R. William Wray & Associates
Tokyo Iken Co. Ltd.
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