Surgery – Truss – Perineal
Patent
1989-10-26
1991-11-05
Smith, Ruth S.
Surgery
Truss
Perineal
128804, A61B 1722
Patent
active
050624121
ABSTRACT:
To electrically and simultaneously form a plurality of focused regions of shock waves, a shock wave generating apparatus comprises: a plurality of high-voltage pulse generators for generating a plurality of high-voltage pulses; a shock wave generating unit having a plurality of ultrasonic vibrating element groups, coupled to the plurality of high voltage pulse generators, for generating shock waves and for focusing the shock waves onto a plurality of different focused regions within a biological body under examination; and a plurality of delay units coupled via the high-voltage pulse generators to the plural ultrasonic vibrating element groups, for causing the plurality of high-voltage pulses having predetermined delay times to be generated from the high-voltage pulse generators, whereby the plural focused regions are simultaneously formed juxtaposed each other near a concretion to be disintegrated with the biological body.
REFERENCES:
patent: 4526168 (1985-07-01), Hassler et al.
patent: 4617931 (1986-10-01), Dory
patent: 4622972 (1986-11-01), Giebeler, Jr.
patent: 4646756 (1987-03-01), Watmough et al.
patent: 4757820 (1988-07-01), Itoh
Kabushiki Kaisha Toshiba
Smith Ruth S.
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