X-ray or gamma ray systems or devices – Auxiliary data acquisition or recording
Patent
1992-03-18
1993-11-16
Porta, David P.
X-ray or gamma ray systems or devices
Auxiliary data acquisition or recording
378163, 378205, A61B 1700
Patent
active
052630765
ABSTRACT:
A lithotripsy workstation, comprises a patient supporting device (1), a shockwave source (4) for generating shockwaves which are focused onto a point (focus) (6) fixed in space, an X-ray source (10) which irradiates the focus (6) from at least two defined positions, and an image detector (12) which detects the X-ray image produced by the X-ray source (10). The cost and the weight of the workstation can be reduced in that a marker (16) which can be displayed in the X-ray image is secured to the X-ray source (10), which marker is situated, at least in the two positions, on the connecting line between the focal spot (11) of the X-ray source (10) and the focus (6).
REFERENCES:
patent: 4722336 (1988-02-01), Kim et al.
patent: 4819257 (1989-04-01), Grasser et al.
patent: 4930509 (1990-06-01), Brisson
Dirks Dietrich
Elff Manfred
Pfeiffer Wilfried
Schmidt Siegfried
Porta David P.
Slobod Jack D.
U.S. Philips Corp.
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