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Daniel S J Choy: Laser tunnelling device. Wolder Gross & Yavner, June 17, 1980: US04207874 (183 worldwide citation)

A device for use primarily in medical applications to locate, analyze, illuminate and destroy obstructions in a tube. The device includes a fiberoptics bundle for insertion to the tube in a flexible conduit. The conduit includes a connection to a suction source at one of its ends, a valved means of ...


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Laser tunnelling device. Choy Daniel, November 13, 1981: FR2482304-A1 (4 worldwide citation)

L'INVENTION CONCERNE UN DISPOSITIF POUR LOCALISER, OBSERVER ET ENLEVER UNE OBSTRUCTION D'UN TUBE. LE DISPOSITIF COMPREND UN TUBE 10 AYANT DES EXTREMITES ANTERIEURE 10B ET ARRIERE 10A, UNE TETE 18 DEFINISSANT UNE OUVERTURE 20 ET UN GROUPE 16 DE FIBRES OPTIQUES PASSANT PAR UNE PARTIE DUDIT TUBE ET CON ...


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Choy Daniel Sj: Dispositif a laser pour detruire les obstructions dans les structures tubulaires, Laser tunnelling device. Choy Daniel Sj, July 21, 1981: CA1105560

LASER TUNNELLING DEVICE Abstract of the Disclosure A device for use primarily in medical applicationsto locate, analyze, illuminate and destroy obstructions in atube. The device includes a fiberoptics bundle for insertion tothe tube in a flexible conduit. The conduit includes a connectionto a suctio ...