Device for removal of calculi

A - Human Necessities – 61 – B

Patent

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Details

A61B 17/22 (2006.01) A61B 17/92 (2006.01)

Patent

CA 2349441

Device for removal of calculi by using an intracorporeal lithotripter comprises a metallic probe or sonotrode which is excited by an electrically controlled ultrasonic transducer for generating longitudinal oscillations for the fragmentation of calculi via the distal end of the sonotrode, the sonotrode accommodating a coaxially arranged impact probe which for an alternative fragmentation of calculi transfers shock or pressure forces that are generated by the impact energy of a reversibly driven impact member or projectile which periodically hits against a mass body on the proximal end of the impact probe when its drive is alternatively switched- on.

Appareil d'élimination des calculs utilisant un lithotripteur intracorporel qui comprend une sonde métallique ou un sonotrode qui est stimulée par un transducteur à ultrasons à commande électrique pour générer des oscillations longitudinales pour la fragmentation des calculs par l'extrémité distale du sonotrode, le sonotrode reçoit une sonde d'impact disposée coaxialement qui, pour une fragmentation alternative des calculs, transfère les ondes de pression ou de choc qui sont générées par l'énergie de rupture d'une pièce battante entraînée de façon réversible ou d'un projectile qui frappe régulièrement contre une masse corporelle sur l'extrémité proximale de la sonde d'impact lorsque son lecteur est commuté en alternance.

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