X-ray or gamma ray systems or devices – Specific application – Mammography
Reexamination Certificate
2007-04-03
2007-04-03
Glick, Edward J. (Department: 2882)
X-ray or gamma ray systems or devices
Specific application
Mammography
C378S155000
Reexamination Certificate
active
10920171
ABSTRACT:
An X-ray diagnostic device is for mammography examinations and includes an arm for an X-ray tube and an object table having an image receptor. The X-ray tube is able to emit a radiation field towards the image receptor. Further, an X-ray grid is included, that is introducable into the radiation field, as well as an attachment unit that can be attached to the object table. In order to obtain an X-ray diagnostic unit having an arrangement that eliminates the risk of exposing the patient to be examined to an unnecessarily high dose of X-ray radiation, the object table is provided with a sensing arrangement that is connected to a transport device for the X-ray grid. Upon applying the attachment unit to the object table, the attachment unit actuates the sensing arrangement in such a way that the transport device transports the X-ray grid out of the radiation field.
REFERENCES:
patent: 4542521 (1985-09-01), Hahn et al.
patent: 2005/0063509 (2005-03-01), Defreitas et al.
patent: 2005/0111617 (2005-05-01), Shoji
Andreasson Jesper
Karlsson Stefan
Glick Edward J.
Harness & Dickey & Pierce P.L.C.
Siemens Aktiengesellschaft
Yun Jurie
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