Method for determining a defined position of a patient couch...

Details Method for determining a defined position of a patient couch... Method for determining a defined position of a patient couch...

2008-12-11

2010-12-21

Yun, Jurie (Department: 2882)

X-ray or gamma ray systems or devices

Specific application

Computerized tomography

C378S205000

Reexamination Certificate

active

07856080

ABSTRACT:
For facilitating the optimal positioning of a patient resting on the couch of a C-arm computed tomography system, an input is received, via individual pixels or areas of pixels selected in a predetermined image data set, thus enabling the area of interest to be highlighted. Image data of the patient resting on the couch is acquired. These two processes together make it possible to calculate the position, relative to the couch, of a marked-out point that is to coincide with the isocenter for the rotation of the C-arm, and from this at least one coordinate that serves to define the position of the couch can be derived. If this coordinate is displayed, a doctor performing the treatment can move the couch to the appropriate position by hand. The couch can also be designed to be automatically movable by electric motors after determining the coordinate.

REFERENCES:
patent: 6309103 (2001-10-01), Sano
patent: 7197107 (2007-03-01), Arai et al.
patent: 2007/0167721 (2007-07-01), Pfister et al.
patent: 102005059804 (2004-07-01), None

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