Method and apparatus for intracorporeal lithotripsy

Details Method and apparatus for intracorporeal lithotripsy Method and apparatus for intracorporeal lithotripsy

A - Human Necessities

61

B

A61B 18/12 (2006.01) A61B 17/22 (2006.01) A61B 18/14 (2006.01)

Patent

CA 2484894

Electro-impulse intracorporeal lithotripsy method comprises bringing electrodes of a probe in immediate electrical contact with the calculus and supplying to the electrodes very short high voltage impulses capable to ignite electrical spark discharge and establish a discharge channel within the bulk of the calculus. The channel goes through the calculus and creates tensile stresses, destroying the calculus.

Procédé de lithotritie intracorporelle par impulsions électriques consistant à amener les électrodes d'une sonde en contact électrique direct avec un calcul et à soumettre ces électrodes à des impulsions haute tension de très courte durée capables de provoquer une décharge d'étincelle électrique et d'établir un canal de décharge à l'intérieur du calcul. En traversant le calcul, le canal crée des contraintes de traction qui provoquent la destruction dudit calcul.

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