Shock wave generator for an apparatus for non-contacting disinte

Details Shock wave generator for an apparatus for non-contacting disinte Shock wave generator for an apparatus for non-contacting disinte

1987-07-08

1988-08-30

Smith, Ruth S.

Surgery

Truss

Perineal

367142, 367175, A61B 1722

Patent

active

047668881

ABSTRACT:
A shock wave generator for an apparatus for non-contacting disintegration of calculi in the body of a life form has a membrane of electrically conductive material which terminates a volume filled with a shock wave conducting medium, and a coil having windings disposed adjacent the membrane. The coil is connectable to a high voltage source with two terminals. For maintaining a long useful life of the membrane without significantly reducing the efficiency of converting electrical energy into shock wave energy, the membrane is provided with a potential such that a positive difference in potential is present between one terminal of the coil and the membrane, and a negative difference in potential is present between the other terminal of the coil and the membrane.

REFERENCES:
patent: 4655220 (1987-04-01), Hahn et al.
patent: 4669472 (1987-06-01), Eisenmenger
patent: 4674505 (1987-06-01), Pauli et al.
patent: 4697588 (1987-10-01), Reichenberger

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