Method for intracorporeal lithotripsy fragmentation and apparatus for its implementation
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Abstract
Electro-impulse intracorporeal lithotripsy comprises bringing electrodes of a probe in immediate electrical contact with the calculus and supplying to the electrodes of 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.
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Citations
21 Claims
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1-10. -10. (canceled)
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11. An apparatus for fragmenting of calculi within a living body during intracorporeal lithotripsy treatment, said apparatus comprising:
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a pulse generating means for generating high voltage impulses required for igniting electrical breakdown and producing energy sufficient for fragmenting the calculus, a probe for insertion within the body and transferring the energy to the calculus, said probe comprises a sheath with electrodes, which reside within the sheath, said electrodes are provided with respective distal and proximal ends, the proximal ends of said electrodes are electrically connected to the pulse generating means and the distal end of at least is one of the electrodes is adapted to be in electrical contact immediate with the calculus, a probe manipulating means, for manipulating the sheath within the body and bringing at least one of the electrodes in electrical contact with the calculus. - View Dependent Claims (12, 13, 14, 15, 16, 17, 18, 19, 20, 21)
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Specification