Device for non-invasive ultrasound treatment of disc disease

A - Human Necessities – 61 – N

Patent

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Details

A61N 7/02 (2006.01) A61B 8/00 (2006.01) A61B 8/08 (2006.01) A61B 19/00 (2006.01)

Patent

CA 2416173

The present invention relates to a device for non-invasive ultrasound treatment of disc disease. This device comprises a therapeutic ultrasound transducer (2) which is provided for treatment of the disc (5), preferably nucleus pulposus (6), of a patient (4) by generating by means of said therapeutic ultrasound transducer (2) an ultrasonic field (3), the temperature focus (F) of which is located in the disc (5), preferably nucleus pulposus (6), for heating thereof. The therapeutic ultrasound transducer (2) is of a "phased array"-type and a diagnostic ultrasound transducer (8) is provided to determine the acoustic properties of the patient's (4) tissue (10). An optical navigating device (14) comprises at least one diagnostic camera (15) and at least one signal receiving and/or signal sending unit (25) which is adapted to send or transmit signals to and/or receive reflected or other signals from position transmitters (24, 7) on a reference device (21) and on the therapeutic ultrasound transducer (2). A computer (29) is provided with at least one computer program which is designed for calculations in connection with settings of the device.

La présente invention concerne un dispositif de traitement non-invasif à ultrasons d'affection discale. Le dispositif comprend un transducteur thérapeutique à ultrasons (2) destiné au traitement du disque (5), de préférence le noyau gélatineux (6), d'un patient (4) par la génération au moyen dudit transducteur thérapeutique à ultrasons (2) d'un champ ultrasonique (3), dont le foyer de température (F) se trouve dans le disque (5), de manière préférentielle le noyau gélatineux (6), en vue de le réchauffer. Le transducteur thérapeutique à ultrasons (2) est du type à commande en phase et un transducteur de diagnostic à ultrasons (8) est prévu pour déterminer les propriétés acoustiques du tissu (10) du patient (4). Un dispositif de navigation optique (14) comporte au moins une caméra de diagnostic (15) et au moins une unité de réception et/ou de transmission de signaux (25) apte à envoyer ou transmettre des signaux et/ou à recevoir des signaux réfléchis ou autres à partie d'émetteurs de position (24, 7) sur un dispositif de référence (21) et sur le transducteur thérapeutique (2). Un ordinateur (29) est équipé d'au moins un programme informatique destiné aux calculs concernant les paramètres du dispositif.

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