Extracorporeal lithotripsy apparatus with an ultrasound locating

Details Extracorporeal lithotripsy apparatus with an ultrasound locating Extracorporeal lithotripsy apparatus with an ultrasound locating

1989-08-11

1991-07-16

Smith, Ruth S.

Surgery

Truss

Pad

128 24EL, A61B 1722

Patent

active

050316265

ABSTRACT:
An extracorporeal lithotripsy apparatus for treating a calculus in the body of a patient has a shock wave source which generates shock waves converging in a focus zone, and an ultrasound locating system having a sector applicator with which at least the focus zone can be scanned. The sector applicator includes a number of ultrasound transducers, so that a number of layers, proceeding parallel to each other, can be quasi-simultaneously scanned. The number of layers which can be scanned corresponds to the number of ultrasound transducers. The layers are directly adjacent each other so that displacement of a calculus in the body during treatment in a direction transverse to the acoustic axes of the scanned sectors can be observed.

REFERENCES:
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patent: 4589284 (1986-05-01), Breimesser et al.
patent: 4617931 (1986-10-01), Dory
patent: 4674505 (1987-06-01), Pauli et al.
patent: 4844079 (1989-07-01), Naser et al.

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