Isocentric lithotripter

Details Isocentric lithotripter Isocentric lithotripter

1993-12-13

1995-03-21

Smith, Ruth S.

Surgery: kinesitherapy

Kinesitherapy

Contact-free comminution of concretion

1286531, A61B 1722

Patent

active

053991460

ABSTRACT:
An extracorporeal isocentric lithotripter is presented having a common isocentric axis of rotation. The patient having a bodily concretion to be destroyed lies on a table which is movable to position the concretion on the isocentric axis. An X-ray emitter and an image intensifier lie on a common diameter which is rotated about said isocentric axis to position said X-ray apparatus and said image intensifier in at least two positions to ascertain the location of the concretion. A shockwave lithotripter shockhead is mounted on a support rotatable about said isocentric axis to align said shockhead with said bodily concretion. The shockhead is mounted on said rotatable support by a double pivot arrangement to bring the second focus point of said reflector into coincidence with said bodily concretion for destruction of said concretion.

REFERENCES:
patent: 4914588 (1990-04-01), Schittenhelm
patent: 4984575 (1991-01-01), Uchiyama et al.
patent: 5060650 (1991-10-01), Wurster et al.
patent: 5240002 (1993-08-01), Brisson et al.

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