CN212439737U - Radiotherapy monitoring system - Google Patents
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- CN212439737U CN212439737U CN202020883307.1U CN202020883307U CN212439737U CN 212439737 U CN212439737 U CN 212439737U CN 202020883307 U CN202020883307 U CN 202020883307U CN 212439737 U CN212439737 U CN 212439737U
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Abstract
The utility model relates to the technical field of medical equipment, especially, relate to a radiotherapy monitored control system. The problem of among the prior art skill can face the radiation risk is solved, also solved simultaneously among the prior art can't simulate real technician's binocular visual angle in the treatment process, to the collision take place the erroneous judgement easily and then can't avoid the collision that (will) produce in the treatment process is solved. A radiation therapy monitoring system comprising: the image acquisition device is arranged in the radiotherapy space; the image acquisition device comprises a plurality of image acquisition units, a monitoring unit and a control unit, wherein the image acquisition units are used for acquiring images of a part to be monitored from different visual angles respectively; and the output device is connected with the image acquisition device and is used for outputting the images of the part to be monitored acquired at different visual angles so as to obtain a monitoring result according to the images of the part to be monitored acquired at different visual angles.
Description
Technical Field
The utility model relates to the technical field of medical equipment, especially, relate to a radiotherapy monitored control system.
Background
Radiotherapy is a treatment for malignant tumors or tissues that is performed using radiation such as α, β, γ rays generated by radioactive isotopes and various types of x-rays.
At present, radiotherapy is still an important means for treating malignant tumors and some benign diseases, before treatment, a patient is usually positioned by using a laser lamp, a technician needs to observe whether a cross mark of the laser lamp is aligned with a cross line on the body surface of the patient in a treatment room, and when the cross mark is not aligned, the technician adjusts a treatment bed. After the positioning is completed, the patient is sent into the radiotherapy equipment to perform the simulation treatment in the state that the radioactive source of the radiotherapy equipment is closed, and each target point is aligned with the isocenter respectively. Although this procedure technician is faced with equipment that is not delivering the treatment beam in the treatment room, it is likely to be exposed to smaller amounts of radiation (e.g., gamma knife equipment), and since the technician is often faced with multiple patients, career accumulation of these small amounts of radiation is not negligible; in the accelerator scenario where there is no additional radiation at all, there is also some effect on the efficiency of the work to and from the device operating room and treatment room.
In addition, during follow-up treatment, due to the existence of high-dose treatment-level radiation, the technician cannot continuously observe whether collision occurs or not at a close distance, and currently collision simulation is mainly used for avoiding collision during follow-up treatment. This approach assumes that one collision simulation can represent the following possible multiple treatments and does not avoid the patient from colliding during the subsequent treatment due to the larger body or the change of the outer contour posture. In the treatment process, the existing monitoring can only qualitatively observe the operation of the equipment, namely, the observation angle or visual angle of the monitoring equipment can not always correctly reflect whether collision (to be) occurs or not, and a monitor can easily misjudge whether collision occurs or not.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model provides a radiotherapy monitored control system has solved among the prior art the technician can face the problem of radiation risk, has also solved simultaneously among the prior art can't simulate real technician's binocular visual angle in the treatment process, and the problem of evading is taken place to the collision misjudgement and then can't (be about to) the collision that produces to the treatment process easily.
The embodiment of the utility model provides a radiotherapy monitored control system, include: the image acquisition device is arranged in the radiotherapy space; the image acquisition device comprises a plurality of image acquisition units, a monitoring unit and a control unit, wherein the image acquisition units are used for acquiring images of a part to be monitored from different visual angles respectively; and the output device is connected with the image acquisition device and is used for outputting the images of the part to be monitored acquired at different visual angles so as to obtain a monitoring result according to the images of the part to be monitored acquired at different visual angles.
Optionally, the monitoring device further comprises a first display connected to the output device and configured to display the images of the portion to be monitored acquired at different viewing angles.
Optionally, the system further comprises holographic augmented reality glasses, connected to the output device, and configured to synthesize the three-dimensional image of the part to be monitored according to the images of the part to be monitored acquired at different viewing angles and display the three-dimensional image of the part to be monitored.
Optionally, the monitoring device further comprises a processor connected to the output device, and configured to obtain a monitoring result according to the images of the portion to be monitored acquired from the different viewing angles.
Optionally, the system further includes: and the second display is connected with the processor and used for displaying the monitoring result.
Optionally, the alarm is connected to the processor, and the processor is further configured to instruct the alarm to send a corresponding alarm signal according to the monitoring result.
Optionally, the system further includes: the laser lamp is arranged at a preset position in the radiotherapy space and used for emitting a laser cursor towards the identification direction of the body surface of the patient; correspondingly, the image acquisition device is arranged in the radiotherapy space and can simultaneously monitor the body surface of the patient and the position of the laser cursor.
Optionally, the system further includes: the radiation head is arranged on the rotating rack; the treatment bed is used for driving a patient to move in a space enclosed by the rotating rack so as to support the patient on the central axis of the rotating rack; correspondingly, the image acquisition device is arranged in the radiotherapy space and can simultaneously monitor the position of the collision-prone area or collision-prone point of the radiation head and the treatment couch, wherein the collision-prone area or collision-prone point is possible.
Optionally, each image acquisition unit is a binocular or multi-ocular optical sensor.
Optionally, when the binocular or multi-ocular optical sensor is a non-visible light sensor, the system further includes: and the invisible light sensitive material layer is arranged on the surface of the part to be monitored.
The embodiment of the utility model provides a radiotherapy monitored control system, through setting up image acquisition device, because this image acquisition device includes a plurality of image acquisition units, be used for respectively follow different visual angles and acquire the portion of awaiting monitoring image, similar with people's eyes, therefore, this system is equivalent to simulate real technician's eyes and observe this portion of awaiting monitoring from different visual angles, examine time measuring at the pendulum position and simulation collision, the technician need not be always in the treatment room, the problem that technical staff can face the radiation risk among the prior art has been solved, also solved simultaneously and can't simulate real technician's eyes visual angle in the treatment process among the prior art, take place the erroneous judgement easily to the collision and then can't carry out the problem of avoidding to the collision that the treatment in-process (is about to) produced.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a radiotherapy monitoring system according to an embodiment of the present invention;
fig. 2 is a side view based on fig. 1 provided by an embodiment of the present invention;
fig. 3 is a schematic structural diagram of another radiation therapy monitoring system provided by an embodiment of the present invention;
fig. 4 is a block diagram of a radiation therapy monitoring system according to an embodiment of the present invention;
fig. 5 is a block diagram of another radiation therapy monitoring system according to an embodiment of the present invention;
fig. 6 is a block diagram of another radiation therapy monitoring system according to an embodiment of the present invention;
fig. 7 is a block diagram of another radiation therapy monitoring system according to an embodiment of the present invention;
fig. 8 is a block diagram of another radiation therapy monitoring system according to an embodiment of the present invention;
fig. 9 is a schematic flow chart of a radiotherapy monitoring method according to an embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, are not to be construed as limiting the present invention.
In a first aspect, embodiments of the present invention provide a radiation therapy monitoring system, see fig. 1, 2 and 3, including: the image acquisition device 1 is arranged in the radiotherapy space A; the image acquisition device 1 comprises a plurality of image acquisition units 11, which are used for respectively acquiring images of a part B to be monitored from different viewing angles; and the output device 2 is connected with the image acquisition device 1 and is used for outputting the B images of the part to be monitored acquired at different visual angles so as to obtain a monitoring result according to the B images of the part to be monitored acquired at different visual angles.
The visual angle is the angle formed by the light rays led out from two ends (upper, lower, left and right) of an object at the optical center of human eyes when the object is observed.
In fig. 1, the angle of view of each image pickup unit 11 is different, and therefore the acquired image of the portion to be monitored B is also different. Taking the image acquisition device 1 as an example that two image acquisition units 11 are arranged left and right, similar to the left and right eyes of a person, because the two eyes have difference, also called parallax, in images presented by the same object, the farther the object is, the smaller the parallax is, and conversely, the larger the parallax is, the size of the parallax corresponds to the distance between the object and the eyes, therefore, the person has three-dimensional hierarchy perception, the distance is calculated by directly utilizing the parallax, and the absolute measurement is carried out instead of estimation, thereby improving the observation precision and avoiding misjudgment.
The output device 2 may be a data transmission line or a wireless transmission device. May be disposed inside the radiation treatment space a or outside the radiation treatment space a, and is not particularly limited herein. Fig. 1 to 3 only show the case where the output device 2 is disposed outside the radiation treatment space a.
The embodiment of the utility model provides a radiotherapy monitored control system, through setting up image acquisition device 1, because this image acquisition device 1 includes a plurality of image acquisition units 11, be used for obtaining respectively from different visual angles and treat control portion B image, similar with people's eyes, therefore, this system is equivalent to the eyes of the true technician of simulation and observes this treatment portion B from different visual angles, examine time measuring with the simulation collision in the pendulum position, the technician need not always be in the treatment room, the problem that the technician can face the radiation risk among the prior art has been solved, also solved simultaneously among the prior art can't simulate real technician's eyes visual angle in the treatment process, take place the erroneous judgement easily to the collision and then can't carry out the problem of avoidding to the collision that (will) produced in the treatment process.
In an embodiment of the present invention, as shown in fig. 4, the system further includes a first display 3 connected to the output device 2 for displaying the B image of the portion to be monitored acquired at the different viewing angles. The images of the part B to be monitored acquired from different visual angles are displayed, so that the movement condition of the part B to be monitored can be observed manually. As in the simulation of the collision stage before the radiotherapy or during the radiotherapy, the technician can determine the collision by observing the image of the portion B to be monitored displayed on the first display 3.
In another embodiment of the present invention, as shown in fig. 5, the system further includes a pair of holographic augmented reality glasses 4 connected to the output device 1, for synthesizing the three-dimensional image of the portion to be monitored B according to the images of the portion to be monitored B acquired from different viewing angles and displaying the three-dimensional image of the portion to be monitored B.
Through setting up holographic augmented reality glasses 4, the technician only need wear holographic augmented reality glasses 4 can observe the three-dimensional image of treating control portion, treats control portion B's motion condition as personally submitting and observes.
In an embodiment of the present invention, as shown in fig. 6, the system further includes a processor 5 connected to the output device 1, for obtaining the monitoring result according to the B image of the portion to be monitored acquired from different viewing angles.
By arranging the processor 5, the processor 5 automatically determines the motion condition of the part to be monitored according to the images of the part to be monitored B acquired from different viewing angles, for example, the processor 5 may acquire data (such as the position coordinates of the part to be monitored B) reflecting the motion condition of the part to be monitored B according to the images of the part to be monitored B acquired from different viewing angles, and compare the data (such as the position coordinates of the part to be monitored B) with the pre-stored data (such as the position coordinates of the part to be monitored B) reflecting the motion condition of the part to be monitored B, so as to obtain a monitoring result.
In another embodiment of the present invention, as shown in fig. 7, the system further includes: and the second display 6 is connected with the processor 5 and used for displaying the monitoring result. For example, the monitoring result may be displayed by lighting different colored lights on the second display 6, or the monitoring result may be displayed by displaying a warning message on the second display 6, which is not limited herein.
In another embodiment of the present invention, as shown in fig. 8, the system further includes: and the alarm 7 is connected with the processor 5 and used for sending out a corresponding alarm signal according to a monitoring result. For example, in the setup phase before radiotherapy, when the laser cursor is aligned with the cross line of the patient's body surface as the monitoring result, an alarm signal of a long tic is generated, and in the simulation collision or radiotherapy before radiotherapy, when the radiation head in the radiotherapy equipment collides with an easily collided area or an easily collided point on the treatment couch, an alarm signal of a tic is generated.
Of course, the system may comprise both the second display 6 and the alarm 7, and the monitoring result is displayed on the second display 6 and simultaneously a corresponding alarm signal is sent out.
Here, the system may also include an electronic device, such as a computer, etc., integrated with a display function and an alarm prompt function.
The first display 3 and the second display 6 may be the same display, or may be two different displays, which is not limited herein.
In a first possible structure of the present invention, referring to fig. 3, the system further includes: a laser lamp, which is arranged at a preset position in the radiotherapy space A and is used for emitting a laser cursor (shown by a dotted cross line in figure 3) towards the mark (shown by a solid cross line in figure 3) on the body surface of the patient; correspondingly, the image acquisition device 1 is arranged in the radiotherapy space A and can monitor the body surface of the patient and the position of the laser cursor at the same time.
In this possible structure, the part B to be monitored is the patient body surface identifier (as shown by the solid line cross line in fig. 3) and the laser cursor (as shown by the dashed line cross line in fig. 3), the image acquisition device 1 acquires the image information between the patient body surface identifier and the laser cursor from different viewing angles, and if the patient body surface identifier and the laser cursor do not coincide with each other at any viewing angle, the monitoring result is that the patient needs to be repositioned. And under different visual angles, if the body surface identification of the patient and the laser cursor are overlapped, the monitoring result is that the patient does not need to be repositioned.
The image capturing device 1 may be a binocular or multi-view optical sensor (or a binocular or multi-view optical camera).
The binocular or multi-view optical sensor may be a visible light sensor, or may also be a non-visible light sensor, such as a microwave sensor, and the like, and is not particularly limited herein.
It should be noted here that each of the binocular or multi-view sensors (or cameras) corresponds to one image capturing unit.
In an embodiment of the present invention, when the binocular or multi-view optical sensor is a non-visible light sensor, the system further includes a non-visible light sensitive material layer disposed on the surface of the portion to be monitored B.
If the binocular or multi-view optical sensor can be an infrared light sensor, the non-visible light sensitive material layer is an infrared light sensitive material layer, and the infrared light sensitive material layer can be arranged on the surface of the mark on the body surface of the laser cursor nuclear patient.
In a second possible structure of the present invention, referring to fig. 1 and 2, the system further includes: a rotating gantry 8, the rotating gantry 8 having a radiation head 81 disposed thereon; a treatment couch 9, the treatment couch 9 being configured to move a patient within a space enclosed by the rotating gantry 8 to support the patient on a central axis OO' of the rotating gantry 8; accordingly, the image capturing device 1 is disposed in the radiation treatment space a to simultaneously monitor the position of the collision-prone region or collision-prone point where the radiation head 81 and the treatment couch 9 may collide.
In this possible structure, the part B to be monitored is any collision-prone region or collision-prone point on the radiation head 8 and the treatment couch 9, the image capturing device 1 obtains image information between the radiation head 81 and the collision-prone region or collision-prone point on the treatment couch 9 from different viewing angles, and if the collision-prone region or collision-prone point on the radiation head 81 and the treatment couch 9 does not collide at any viewing angle, the monitoring result is that the part B to be monitored does not collide. In different viewing angles, if the radiation head 81 collides with an easily-collided region or an easily-collided point on the treatment couch 9, the part B to be monitored collides with the monitoring result.
Wherein, the rotating frame 8 is annular, hemispherical or C-shaped.
The image capturing device 1 may be a binocular or multi-view optical sensor.
The binocular or multi-view optical sensor may be a visible light sensor, or may also be a non-visible light sensor, such as a microwave sensor, and the like, and is not particularly limited herein. In particular, the binocular or multi-view optical sensor may be a camera.
In an embodiment of the present invention, when the binocular or multi-view optical sensor is a non-visible light sensor, the system further includes a non-visible light sensitive material layer disposed on the surface of the portion to be monitored B.
For example, the binocular or multi-view optical sensor may be an infrared light sensor, and the non-visible light sensitive material layer may be an infrared light sensitive material layer, which may be disposed on the vulnerable collision area or the vulnerable collision point surface where the radiation head 81 and the treatment couch 9 may collide.
Wherein, the easy-to-collide area or the easy-to-collide point on the treatment couch 9, which may be collided, may be the easy-to-collide area or the easy-to-collide point caused by the larger body or posture change of the patient.
In a second aspect, embodiments of the present invention provide a method of radiation therapy monitoring, see fig. 9, comprising: s1) acquiring images of the part to be monitored with different visual angles; s2) obtaining a monitoring result according to the acquired images of the part to be monitored with different visual angles.
The embodiment of the utility model provides a radiotherapy monitoring method, through the portion image of waiting to monitor who acquires different visual angles, the portion of waiting to monitor is monitored from different visual angles, the true technician's of simulation eyes is observed this portion of waiting to monitor from different visual angles in other words, when the pendulum position is examined with the simulation collision, the technician need not always in the treatment room, the problem that the technician can face the radiation risk among the prior art has been solved, the true binocular visual angle of technician can't be simulated in the treatment process among the prior art has also been solved simultaneously, to the collision take place the misjudgement easily and then can't carry out the problem of avoidng to the collision that the in-process of treatment produced (being about to).
Under different application scenes, the part to be monitored and the motion condition of the part to be monitored are different.
In the first scenario of the present invention, referring to fig. 3, in the positioning stage before radiotherapy, the portion to be monitored B includes a patient body surface identifier (as shown by the solid line cross in fig. 3) and a laser light cursor (as shown by the dotted line cross in fig. 3); correspondingly, according to the images of the part to be monitored, which are acquired from different viewing angles, the monitoring result is obtained and comprises the following steps: under different visual angles, the body surface identification of the patient in the image of the part B to be monitored is superposed with the laser light cursor, and the monitoring result is that the patient does not need to be repositioned; under any visual angle, the body surface identifier of the patient in the image of the part B to be monitored is not coincident with the laser lamp cursor, and the monitoring result indicates that the patient needs to be repositioned.
In the second scenario of the present invention, as shown in fig. 1 and 2, in the simulation collision or radiotherapy before radiotherapy, the part B to be monitored includes an easy collision region or an easy collision point (e.g. any easy collision region or easy collision point on the radiation head 81 and the treatment couch 9 in fig. 1 and 2) where collision may occur between each component in the radiotherapy apparatus; correspondingly, according to the images of the part to be monitored, which are acquired from different viewing angles, the monitoring result is obtained and comprises the following steps: under different visual angles, when collision occurs between the collision-prone areas or collision-prone points in the images of the part B to be monitored, the monitoring result is that the part to be monitored collides; and under any visual angle, when no collision occurs between the collision-prone areas or collision-prone points in the image of the part B to be monitored, the monitoring result is that the part to be monitored does not collide.
Wherein, it bumps to detect this easy collision region or easy collision point, includes: and when the distance between each easy-collision area or each easy-collision point is smaller than a preset threshold value, determining that the easy-collision area or each easy-collision point collides.
The method can be used for predicting the possible imminent collision among all parts in the radiotherapy equipment, and can also be used for predicting the collision caused by an unexpected condition (such as the collision caused by the change of a large body or posture of a human body).
The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (10)
1. A radiation therapy monitoring system, comprising:
the image acquisition device is arranged in the radiotherapy space; the image acquisition device comprises a plurality of image acquisition units, a monitoring unit and a control unit, wherein the image acquisition units are used for acquiring images of a part to be monitored from different visual angles respectively;
and the output device is connected with the image acquisition device and is used for outputting the images of the part to be monitored acquired at different visual angles so as to obtain a monitoring result according to the images of the part to be monitored acquired at different visual angles.
2. The radiation therapy monitoring system of claim 1, further comprising:
and the first display is connected with the output device and used for displaying the images of the part to be monitored, which are acquired at different visual angles.
3. The radiation therapy monitoring system of claim 1, further comprising:
and the holographic augmented reality glasses are connected with the output device and used for synthesizing the three-dimensional image of the part to be monitored according to the images of the part to be monitored acquired from different visual angles and displaying the three-dimensional image of the part to be monitored.
4. The radiation therapy monitoring system of claim 1, further comprising:
and the processor is connected with the output device and used for obtaining a monitoring result according to the images of the part to be monitored, which are acquired from different visual angles.
5. The radiation therapy monitoring system of claim 4, further comprising:
and the second display is connected with the processor and used for displaying the monitoring result.
6. The radiation therapy monitoring system of claim 4, further comprising:
and the processor is also used for indicating the alarm to send out a corresponding alarm signal according to the monitoring result.
7. The radiation therapy monitoring system of claim 1, further comprising:
the laser lamp is arranged at a preset position in the radiotherapy space and used for emitting a laser cursor towards the identification direction of the body surface of the patient;
correspondingly, the image acquisition device is arranged in the radiotherapy space and can simultaneously monitor the body surface of the patient and the position of the laser cursor.
8. The radiation therapy monitoring system of claim 1, further comprising:
the radiation head is arranged on the rotating rack;
the treatment bed is used for driving a patient to move in a space enclosed by the rotating rack so as to support the patient on the central axis of the rotating rack;
correspondingly, the image acquisition device is arranged in the radiotherapy space and can simultaneously monitor the position of the collision-prone area or collision-prone point of the radiation head and the treatment couch, wherein the collision-prone area or collision-prone point is possible.
9. Radiation therapy monitoring system according to any one of claims 1-8,
the image acquisition device is a binocular or multi-eye optical sensor.
10. Radiation treatment monitoring system according to claim 9,
when the binocular or multi-ocular optical sensor is a non-visible light sensor, the system further comprises:
and the invisible light sensitive material layer is arranged on the surface of the part to be monitored.
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| CN113694398A (en) * | 2020-05-22 | 2021-11-26 | 西安大医集团股份有限公司 | Radiotherapy monitoring system and method |
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| CN113694398A (en) * | 2020-05-22 | 2021-11-26 | 西安大医集团股份有限公司 | Radiotherapy monitoring system and method |
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