| 摘要 |
<p>#CMT# #/CMT# The device (2) has two ionization chambers spatially separated from each other and filled with gas. A set of measuring electrodes is arranged in each of the ionization chambers. Intensity of an irradiation field (6) in a monitored area is independently determined based on measurement signals of the measuring electrodes of the ionization chambers. A location-dependant intensity distribution of the irradiation field in the monitored area is determined based on the measurement signals of the measuring electrodes of the ionization chambers. #CMT# : #/CMT# Independent claims are also included for the following: (1) an irradiation device for a medical region (2) a method for monitoring a medical irradiation field. #CMT#USE : #/CMT# Monitoring device for use in an irradiation device to monitor a medical irradiation field of a patient during an X-ray radiation therapy or electron radiation therapy. #CMT#ADVANTAGE : #/CMT# The ionization chambers are spatially separated from each other, and the irradiation field penetrates through one of the ionization chambers, so that the ionization chambers independently monitor the intensity of the irradiation field in an area of the monitoring device, thus increasing safety of monitoring in a medical region. The measuring electrodes are distributed on the ionization chambers, thus reducing the space requirement. The measuring electrodes are arranged in a longitudinally elongated shape on the ionization chambers, so that a simple geometric shape is achieved and the production of appropriate measurement electrodes is carried out with less effort. #CMT#DESCRIPTION OF DRAWINGS : #/CMT# The drawing shows a sectional view of an irradiation device with a monitoring device. 2 : Monitoring device 4 : Irradiation device 6 : Irradiation field 8 : Patient 10 : Propagation direction.</p> |
