JPS5894835A - Radioactive diagnostic and treating apparatus - Google Patents

Abstract

(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a radiation diagnostic treatment apparatus that performs a diagnosis by reconstructing a tomographic image by scanning a radiation beam and performs radiation therapy on a lesion based on the diagnosis.

Conventionally, treatment using a radiation therapy apparatus has been performed as follows. That is, first, X #i! 1. The affected area is discovered and its location confirmed using diagnostic equipment such as an X-ray machine and a convenience store tomography machine. Then, a marking (using paint or the like) indicating the affected area was applied to the patient's body surface, and then the patient was led to a radiotherapy device, and the markings were used to irradiate the patient with therapeutic radiation.

Therefore, due to the inaccuracy of marking on the body surface, it has been extremely difficult to perform appropriate treatment by irradiating only the necessary pupils to the necessary affected areas.

In view of the above, the present invention combines a combinatorial tomography device and a radiotherapy device, so that data obtained from the combinatorotomography device can be directly used without intervening the inaccurate element of marking. In addition to controlling the radiation therapy equipment to enable accurate radiation irradiation to the affected area, the combiator tomography equipment and radiation therapy equipment have many mechanisms that can be used in common, and by sharing these mechanisms, the aim is to reduce costs. The purpose of the present invention is to provide a radiological diagnostic treatment device that has the following features.

An embodiment of the present invention will be described below with reference to the drawings. As shown in FIG. 1, a therapeutic radiation irradiation device 1 is held in a gantry 3 so as to be able to irradiate a patient (not shown) lying on a bed device 2 with radiation from any angle. Although not shown in this gantry 3,
A tube, an X-ray detector, and a rotational drive mechanism for rotationally driving these to scan a patient with an X-ray beam are housed, and the irradiation device 1 is detachably connected to this rotational drive mechanism. It has become. The bed device 2 can move the position of its top plate back and forth, left and right, and up and down.

Next, explanation will be given with reference to FIG. First, a patient is laid down on the top plate of the bed device 20 and scanned with an X-ray beam. At this time, the input device 13 manually inputs instructions such as the operation mode, the CPU (Central Processing Unit) 11 issues commands, the connection control device 5 is controlled via the gantry interface 4, and the irradiation device 1 is rotated by the rotation drive mechanism. At the same time, the rotating part a mechanism is rotated by the scanning control device [7 to perform scanning with the X-ray beam. In this way, data regarding the X9 intensity transmitted through the patient is obtained, and after this data is digitized by the AD converter 9, it is sent to the image reconstruction device 10. This image reconstruction device 10
Then, a tomographic image of a slice plane (tomographic plane) of a patient scanned with an XN beam is reconstructed by processing the above data. Under the control of the CPU II, this tomographic image is output by an output device 12 such as a CRT display device and is also stored in an auxiliary storage device 14. When one tomographic image is obtained in this way, the bed control device 6 controls the bed device 2,
Move the top plate slightly forward and backward.

In this way, the slice plane is slightly shifted, and a tomographic image of this slice plane is obtained in the same way. By scanning the X-ray beam while shifting the bed top little by little in this way, tomographic images of many adjacent slice planes near the affected area can be obtained one after another, making it possible to understand the three-dimensional shape of the affected area. .

Then, an instruction to perform radiation therapy is input using the input device 13. Then, a command from the CPU II is transmitted to the connection control device 5 via the gantry interface 7 and the 8th 4.
An irradiation device 1 is connected to a rotational drive mechanism. Then, the bed control device 6 controls the ped device [12], and the patient is moved to a position where the affected area is irradiated with radiation.

In this way, the irradiation control device 8 operates, and radiation is irradiated from the irradiation device 1 to the affected area. Further, the rotation drive mechanism is controlled by the scanning control device 7, and the irradiation device 1 rotates while irradiating radiation, so that the affected area can be irradiated with radiation from various angles. All such controls, such as positioning of the affected area to be irradiated and the irradiation angle, are performed under the control of the CPU 11 based on the aforementioned tomographic image data.

As described above with respect to the embodiments, according to the present invention,
The combinator tomography device and the radiation therapy device are combined with some mechanisms in common. First, the computer tomography device obtains diagnostic data, and based on this data, radiation therapy such as positioning of the area to be irradiated is performed. Since the irradiation device is controlled, diagnostic data can be directly used as control data for radiation irradiation without marking the patient's body surface, making it possible to perform treatment with accurate radiation irradiation and improve diagnosis. , a series of treatment operations can be efficiently performed without moving the patient (the patient does not need to move from the combinator tomography device to the treatment device, but only needs to lie on the bed device). Also, because it is mechanically shared,
This is more advantageous in terms of space and economy than the case where the combination tomographic imaging device and radiation therapy device are provided separately.

Further, the radiation diagnostic treatment apparatus according to the present invention can be used independently as a diagnostic apparatus (computed tomography apparatus) and a radiation treatment apparatus.

[Brief explanation of drawings]

FIG. 1 is a perspective view of an embodiment of the present invention, and FIG. 2 is a block diagram of the same embodiment. 1... Radiation irradiation device 2... Bed device 3...
Gantry 4...Intry interface 5...Connection control device 6...Bed control device 7
...Scanning control device 8...Irradiation control device 9...
AD converter 10... image reconstruction device 11...
CPU 12... Output device 13... Human power device 14... Auxiliary storage device Applicant Shimadzu Corporation Chopsticks 1 Ranbe 2 Figure

Claims (1)

[Claims] (1) A rotational drive mechanism for scanning a patient with a radiation beam, a therapeutic radiation irradiation device detachably connected to the rotational drive mechanism, and a position of the patient relative to the rotational drive mechanism and the therapeutic radiation irradiation device. The bed device is controlled by a movable bed device, an image processing device that reconstructs a tomographic image of the patient from data obtained by scanning the radiation beam, and data from the ms processing device. The therapeutic radiation INN irradiation device is controlled to be connected to the rotational drive mechanism, and the irradiation angle of the therapeutic radiation is determined by the linear rotational drive mechanism, and the therapeutic radiation irradiation device is controlled to target a specific region of the patient. A radiation diagnostic treatment device comprising a control device that irradiates therapeutic radiation from a desired angle.