X-ray or gamma ray systems or devices – Accessory – Alignment
Reexamination Certificate
2006-09-19
2006-09-19
Thomas, Courtney (Department: 2882)
X-ray or gamma ray systems or devices
Accessory
Alignment
C378S147000
Reexamination Certificate
active
07108423
ABSTRACT:
A multileaf collimator (1) of an X-ray diagnostic device has a housing (2) that is provided for the passage of an X-ray beam (S), collimator leaves (3) arranged in said housing for limiting the X-ray beam (S), and a light source (5) and a mirror (4) for identifying the X-ray beam (S) by visible light. A plurality of collimator leaves (3) at a time are arranged in front of the mirror (4) and behind the mirror (4) in the direction of radiation (R) of the X-ray beam (S), and are rigidly coupled together, the individual collimator leaves (3) each being arranged in collimation planes (E1–E14) which are orientated at least approximately normal to the direction of radiation (R) of the X-ray beam (S).
REFERENCES:
patent: 4167675 (1979-09-01), Stodberg et al.
patent: 5923725 (1999-07-01), Reiff et al.
patent: 6036362 (2000-03-01), Schmitt
patent: 24 24 619 (1975-11-01), None
patent: 34 36 866 (1986-04-01), None
Siemens Aktiengesellschaft
Thomas Courtney
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