Shock wave source

Details Shock wave source Shock wave source

1987-09-21

1988-12-27

Smith, Ruth S.

Surgery

Truss

Perineal

367175, A61B 1722

Patent

active

047933291

ABSTRACT:
A shock wave source of the type suitable for treating calculi in the body of a patient has a shock wave tube filled with a shock wave-conducting medium which is closed at one end by a flexible cover adapted to be pressed against the patient, and closed at an opposite end by a membrane. A flat coil is disposed parallel to and spaced from the membrane, with an insulation layer therebetween. The coil is connected to a high voltage pulse generator. The membrane consists of an insulator disc having electrically conductive tracks thereon, preferably concentrically disposed. The conductive tracks constitute a significantly lengthened path which must be overcome in order to generate an arc between the membrane and the coil, so that unwanted arcing is substantially eliminated.

REFERENCES:
patent: 4674505 (1987-06-01), Pauli et al.

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