X-ray sighting for aiming lithotripter

Details X-ray sighting for aiming lithotripter X-ray sighting for aiming lithotripter

1990-06-11

1991-12-10

Smith, Ruth S.

Surgery

Truss

Perineal

378162, 378205, 1286531, A61B 1722

Patent

active

050708619

ABSTRACT:
A lithotripter has a source for focussed shockwaves and an X-ray device which is mounted for relative displacement and positioning in relation to that source of shockwaves; an improvement includes a device for aiming and sighting in cooperation with the X-ray equipment that includes a carrier element defining a first pair of X-ray contrasting aligned reference points and two additional X-ray contrasting reference points, on a second line and intersecting the first line at a point of intersection at about 15 to 45 degrees; and that aiming and sighting device is mounted in relation to said source of focussed shockwaves such that the point of intersection coincide with a focal point of the shockwave source.

REFERENCES:
patent: 3609358 (1971-09-01), Salesi
patent: 3991310 (1976-11-01), Morrison
patent: 4829986 (1989-05-01), Eichler et al.
patent: 4930509 (1990-06-01), Brisson

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