Electrodynamic lithotriptor

Details Electrodynamic lithotriptor Electrodynamic lithotriptor

1999-09-02

2000-11-21

Philogene, Pedro

Surgery

Instruments

Means for concretion removal

606127, A61B 1722

Patent

active

061496561

ABSTRACT:
An apparatus to introduce impact pulses into the human body has an impact transmitter (8) displaceable in an axial direction and an electromagnetic impact generator (2, 6; 26, 24; 36, 34) driven by current pulses and supplying force impulses to the impact transmitter. The impact generator includes a magnet fixed in position and having a magnetic field, and a coil (6, 26, 36) displaceable in the direction of transmitter displacement in the field of the magnet (2; 23, 24; 33, 34), the coil being energized by the current pulses to be axially displaced and drive the impact transmitter (8).

REFERENCES:
patent: 4227532 (1980-10-01), Bluhm et al.
patent: 5011821 (1991-04-01), McCullough
patent: 5540702 (1996-07-01), Walz
patent: 5741272 (1998-04-01), Kuhne
patent: 5868756 (1999-02-01), Henry et al.
patent: 5906623 (1999-05-01), Peterson

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