X-ray or gamma ray systems or devices – Accessory – Alignment
Patent
1998-04-22
2000-04-11
Bruce, David V.
X-ray or gamma ray systems or devices
Accessory
Alignment
378205, A61B 608
Patent
active
060480971
ABSTRACT:
In a stationary or mobile C-arm X-ray examination device with isocentric shifting of the C-arm, including rotation around a rotational axis, in order to enable an exact positioning of the patient, a light source is provided at the X-ray examination device which emits a light beam in the direction of the isocenter. For at least one position of the C-arm, the light beam and the rotational axis are assured to coincide, so that the projection of the light beam in a patient correctly identifies the isocenter.
REFERENCES:
patent: 5283808 (1994-02-01), Cramer et al.
patent: 5583909 (1996-12-01), Hanover
patent: 5690107 (1997-11-01), Hofmann
Bruce David V.
Schwartz Michael J.
Siemens Aktiengesellschaft
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