Ultrasound intratissular applicator for thermotherapy

A - Human Necessities – 61 – N

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A61N 7/02 (2006.01)

Patent

CA 2293544

The invention concerns medical treatment material, in particular an applicator, for heating internally, a medium absorbing ultrasounds, characterised in that it has: an applicator head (1) comprising at least an ultrasound transducer (8) whereof a surface, called emitting surface, remote-covered with a sealing membrane (21) transparent to ultrasounds, and another surface, opposite the emitting surface, is associated with means (15) not propagating or slightly propagating ultrasounds; means (11, 12) remote-connecting the transducer to an electric generator; and means (22, 23, 24) producing an ultrasound coupling with the membrane. The invention is applicable to equipment treating tumours by localised thermotherapy.

Matériel de traitement médical. L'applicateur pour le chauffage, par voie interne, d'un milieu absorbant les ultrasons, est caractérisé en ce qu'il présente: une tête d'application (1) comportant au moins un transducteur ultrasonore (8) dont une face (17), dite d'émission, est recouverte à distance d'une membrane (21) étanche et transparente aux ultrasons, et dont une autre face, opposée à la face d'émission, est associée à des moyens (15) de non ou de faible propagation ultrasonore, des moyens (11, 12) pour relier à distance le transducteur à un générateur électrique et des moyens (22, 23, 24) pour réaliser un couplage ultrasonore avec la membrane. Application aux matériels de traitement des tumeurs par hyperthermie localisée. Image

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