CN109882020B - Isolation control system for mobile radioactive source - Google Patents
Isolation control system for mobile radioactive source Download PDFInfo
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- CN109882020B CN109882020B CN201910133157.4A CN201910133157A CN109882020B CN 109882020 B CN109882020 B CN 109882020B CN 201910133157 A CN201910133157 A CN 201910133157A CN 109882020 B CN109882020 B CN 109882020B
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Abstract
The invention discloses a mobile radioactive source isolation control system. The method comprises the following steps: the device comprises a time control module, a ray monitoring module, a motor driving module and an electric door grating, wherein the electric door grating is arranged on the inner side of an electronic protection door of a closed monitoring area, the time control module controls the opening and closing state of the electric door grating through the motor driving module according to the half-life period of radioactive substances of a mobile radioactive source in the closed monitoring area, and the ray monitoring module controls the locking state of the electronic protection door according to the ray value of the mobile radioactive source. The invention realizes that the movable range of the movable radioactive source is limited to avoid harm to medical care personnel and the surrounding people when the movable radioactive source has radiation harm, and the movable limit of the movable radioactive source is automatically released when the movable radioactive source has no harm by setting double access controls based on the half-life period of radioactive materials emitted by the movable radioactive source and the real-time ray value.
Description
Technical Field
The invention relates to the field of medical equipment, in particular to a mobile radioactive source isolation control system.
Background
During the course of hospital radiodiagnosis and treatment, patients are orally administered or injected with radioactive substances (e.g., as in the case of a hospital bed)131I. Technetium-labeled radioactive sources, etc.), it is necessary to wait for the radioactive elements to move within the body to the designated organs and tissues. The process takes about 1-2 hours, during which the patient acts as a mobile radiation source that can deliver beta or gamma radiation anywhere and anytime. When the patient moves to a medical office or public area, it can cause a significant hazard to medical personnel or the surrounding public. Therefore, it is necessary to design a system for limiting the range of movement of a patient carrying radioactive materials and monitoring the radiation level in the patient for effective protection of the health care workers or other people.
Disclosure of Invention
The invention aims to provide an isolation control system for a movable radioactive source, which realizes the safe isolation of the movable radioactive source and effectively prevents the movable radioactive source from causing radiation damage to the public.
In order to achieve the above object, the present invention provides an isolation control system for a mobile radioactive source, comprising: the system comprises a time control module, a ray monitoring module, a motor driving module and an electric door grating, wherein the electric door grating is arranged on the inner side of an electronic protection door of a closed monitoring area, and a movable radioactive source with radioactive substances is positioned in the closed monitoring area; the time control module controls the on-off state of the electric door grid through the motor driving module according to the half-life period of the radioactive substance; and the ray monitoring module controls the locking state of the electronic protection door according to the ray value of the movable radioactive source.
Preferably, the time control module controls the motor driving module by counting down, wherein the counting down time length is greater than or equal to the half-life period;
during the countdown period, the time control module controls the motor driving module to enable the electric door grating to keep closed;
and after the countdown is finished, the time control module controls the motor driving module to open the electric door grid.
Preferably, the ray monitoring module includes multichannel ray monitor, multichannel ray monitor includes host computer and a plurality of probe, the host computer is located it is outside to seal the control area, one the probe is located electron guard gate department, other the probe set up in seal inside the control area.
Preferably, the electronic protection door includes a protection door main body and an electronic lock, the electronic lock is electrically connected to the host, the probe disposed at the electronic protection door detects a mobile radiation source moving to the electronic protection door, the host controls the electronic lock to keep locking when detecting that a radiation value of the mobile radiation source is greater than a preset threshold, and the host controls the electronic lock to unlock when detecting that the radiation value of the mobile radiation source is less than the preset threshold.
Preferably, the electronic protection door lock further comprises an emergency processing module, the emergency processing module is arranged outside the closed monitoring area and used for controlling the motor driving module to open the electric door grid and controlling the electronic protection door to be unlocked.
Preferably, the system further comprises an emergency call module, wherein the emergency call module is arranged outside the closed monitoring area and comprises an emergency call button and a sound production unit.
Preferably, still include the video module of talkbacking, the video module of talkbacking includes camera unit, pickup unit, talkbacking unit, display element, camera unit, pickup unit are located inside the closed monitoring area, the display element is located the closed monitoring area is outside.
Preferably, the time control module comprises a user authentication unit, the user authentication unit is used for authenticating the operation authority of the monitoring personnel, and the user authentication unit comprises at least one of a face recognition device, a fingerprint recognition device and a password verification device.
Preferably, the electric door fence comprises a door fence main body and a transmission motor, wherein the transmission motor is electrically connected to the motor driving module, and the transmission motor opens or closes the door fence main body according to a control signal of the motor driving module.
Preferably, the motor driving module includes a signal receiving unit and a motor control unit, the signal receiving unit is used for receiving the control signal of the time control module, and the motor control unit is electrically connected to the transmission motor.
The invention has the beneficial effects that: according to the invention, the movable radioactive source is limited in the closed monitoring area, the time control module controls the opening and closing of the electric door grid, and the ray monitoring module controls the locking state of the electronic protection door according to the content of the radioactive substance of the movable radioactive source, so that the movable range of the movable radioactive source can be limited when the movable radioactive source has radiation hazard, the medical personnel or the peripheral people are prevented from being harmed, and meanwhile, the movable limit of the movable radioactive source is automatically released when the movable radioactive source is not harmed. And can realize opening the electronic door grating by force when emergency appears through urgent processing module, can realize calling medical personnel under emergency through the emergency call module, can realize that monitoring personnel observe and communicate in time the condition of the removal radiation source in the closed monitoring area through the video module of talkbacking.
The apparatus of the present invention has other features and advantages which will be apparent from or are set forth in detail in the accompanying drawings and the following detailed description, which are incorporated herein, and which together serve to explain certain principles of the invention.
Drawings
The above and other objects, features and advantages of the present invention will become more apparent by describing in more detail exemplary embodiments thereof with reference to the attached drawings, in which like reference numerals generally represent like parts.
FIG. 1 illustrates a schematic diagram of a mobile radiation source isolation control system according to one embodiment of the present invention.
Description of reference numerals:
1. a time control module; 2. a ray monitoring module; 3. a motor drive module; 4. an electrically operated door grid; 5. an electronic protective door; 6. an emergency processing module; 7. an emergency call module; 8. and the video intercom module.
Detailed Description
The invention will be described in more detail below with reference to the accompanying drawings. While the preferred embodiments of the present invention are shown in the drawings, it should be understood that the present invention may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the invention to those skilled in the art.
According to the invention, the mobile radioactive source isolation control system comprises: the system comprises a time control module, a ray monitoring module, a motor driving module and an electric door grating, wherein the electric door grating is arranged on the inner side of an electronic protection door of a closed monitoring area, and a movable radioactive source with radioactive substances is positioned in the closed monitoring area; the time control module controls the on-off state of the electric door grid through the motor driving module according to the half-life period of the radioactive substance; and the ray monitoring module controls the locking state of the electronic protection door according to the ray value of the movable radioactive source.
Specifically, the movable radioactive source (a patient orally taking or injecting radioactive substances) is limited in a closed monitoring area, the electric door grid and the electronic protection door are in a closed state, the time control module is arranged, the opening and closing state of the electric door grid is controlled through the motor driving module according to the half-life period of the radioactive substances, and the locking state of the electronic protection door is controlled through the ray monitoring module according to the content of the radioactive substances of the movable radioactive source, so that the movable range of the movable radioactive source can be limited when the movable radioactive source is in a dangerous radiation state, the movable range is prevented from being harmful to the public, and meanwhile, the movable limit of the movable radioactive source is automatically released when the movable radioactive source is not harmful.
In one example, the time control module controls the motor drive module by counting down for a period of time greater than or equal to the half-life;
the time control module controls the motor driving module to keep the electric door grid closed during the countdown period;
and after the countdown is finished, the time control module controls the motor driving module to open the electric door grid.
Specifically, the motor driving module may be a control circuit of a transmission motor of the electric door fence, the transmission motor can execute the motion only when the motor driving module sends a control signal, and the time control module further controls the transmission motor of the electric door fence to execute the opening and closing motion by controlling the motor driving module, for example, a corresponding countdown duration (the countdown should be slightly greater than or equal to a half-life) may be set in the time control module according to the half-life of different radioactive substances carried by different mobile radioactive sources, the transmission motor is controlled by the motor driving module during the countdown period to keep the electric door fence in a closed state all the time, so as to limit the entry and exit of the mobile radioactive source, when the half-life elapses, the time control module sends an opening signal to the motor driving module, and the electric door fence (transmission motor) can execute. Those skilled in the art can easily implement the function of the time control module through a time relay or a control circuit, and the like, and details are not described here.
In one example, the ray monitoring module comprises a multi-channel ray monitor, the multi-channel ray monitor comprises a host and a plurality of probes, the host is arranged outside the closed monitoring area, one probe is arranged at the electronic protection door, and other probes are arranged inside the closed monitoring area.
In particular, the ray monitoring module can be realized by adopting the existing online multi-channel ray detector, which belongs to the prior art. The host of the multi-channel ray detector can hang a plurality of probes for monitoring rays simultaneously, and can be provided with a plurality of probes according to the actual conditions in a closed monitoring area, for example, one or a plurality of probes are arranged in a patient rest area of the closed monitoring area to monitor the ray value of a movable radioactive source in real time, and a probe is arranged near an electric door and is used for rechecking the content of radioactive substances when the movable radioactive source is about to leave the closed monitoring area after an electric door grid is opened, and the host can be arranged in a monitoring room outside the closed monitoring area for monitoring personnel to check data; meanwhile, the alarm threshold value of the content of the radioactive substances can be flexibly set through the host, the alarm threshold value can be continuously adjusted, the host can automatically alarm the threshold value, detect abnormal conditions and automatically store data detected by the probe, and data after power failure can be guaranteed not to be lost. The host computer has multiple input/output interfaces (including standard RS485 interface, MODBUS communication protocol), and can constitute a gantry crane interlocking system with the probe, the protective door and the like.
In one example, the electronic protection door comprises a protection door body and an electronic lock, the electronic lock is electrically connected to a host, a probe arranged at the electronic protection door detects a movable radioactive source moving to the electronic protection door, the host controls the electronic lock to keep locking when detecting that the value of the radioactive source is larger than a preset threshold value, and the host controls the electronic lock to unlock when detecting that the value of the radioactive source is smaller than the preset threshold value.
Specifically, an electronic lock of the electronic protection door, a host of the multichannel ray detector and a probe at the electronic protection door form an interlocking system, when the probe at the electronic protection door detects that the ray value of a mobile radioactive source which wants to go out exceeds a preset alarm threshold value, the host controls the electronic lock to keep locking, the mobile radioactive source cannot open the electronic protection door at the moment, and when the monitored ray value is lower than the preset alarm threshold value, the electronic lock contacts with the locking, and the mobile radioactive source can open the electronic protection door.
In one example, the emergency processing module is arranged outside the closed monitoring area and used for controlling the motor driving module to open the electric door fence and controlling the electronic protection door to be unlocked.
In one example, the system further comprises an emergency call module, wherein the emergency call module is arranged outside the closed monitoring area and comprises an emergency call button and a sound production unit.
Specifically, the emergency processing module comprises an emergency door opening button and a sound production unit, and the emergency door opening button is electrically connected with the motor driving module and the electronic protection door. When the patient in the closed monitoring area is in an emergency situation such as discomfort, the emergency door opening button is pressed, the electric door fence and the electronic protective door can be forcibly opened from the outside of the closed monitoring area, and warning sound is emitted through the sound production unit, and meanwhile, the emergency processing module can also be linked with the emergency calling module, so that medical personnel can be called in time to rescue.
In one example, the video intercom module is further included, the video intercom module comprises a camera shooting unit, a pickup unit, an intercom unit and a display unit, the camera shooting unit and the pickup unit are arranged inside the closed monitoring area, and the display unit is arranged outside the closed monitoring area.
Specifically, can realize sealing the control area through the video module of talkbacking with outside monitoring personnel's interdynamic, the monitoring personnel of being convenient for observe the patient in the situation of rest control area in step, in case the discovery patient has the adverse reaction, talkbacking module and patient communicate through the video, utilize urgent calling module contact medical personnel to come the processing before the condition is urgent, open electron guard gate and driving motor drive module through urgent processing module and open the electrically operated gate bars.
In one example, the time control module comprises a user authentication unit, the user authentication unit is used for authenticating the operation authority of the monitoring personnel, and the user authentication unit comprises at least one of a face recognition device, a fingerprint recognition device and a password verification device so as to prevent other unauthorized monitoring personnel from misoperation.
In one example, the electric door fence includes a door fence body, a transmission motor electrically connected to the motor driving module, the transmission motor opening or closing the door fence body according to a control signal of the motor driving module.
In one example, the motor driving module comprises a signal receiving unit and a motor control unit, the signal receiving unit is used for receiving control signals of the time control module and the ray monitoring module, and the motor control unit is electrically connected with the transmission motor and used for controlling the rotation of the transmission motor.
Example (b):
FIG. 1 illustrates a schematic diagram of a mobile radiation source isolation control system according to one embodiment of the present invention.
As shown in fig. 1, a mobile radiation source isolation control system includes: the device comprises a time control module 1, a ray monitoring module 2, a motor driving module 3 and an electric door grating 4, wherein the electric door grating 4 is arranged on the inner side of an electronic protection door 5 of a closed monitoring area, and a movable radioactive source with radioactive substances is positioned in the closed monitoring area; the time control module 1 controls the opening and closing state of the electric door grid 4 through the motor driving module 3 according to the half-life period of the radioactive substance; the ray monitoring module 2 controls the locking state of the electronic protection door 5 according to the ray value of the mobile radioactive source. The time control module 1 controls the motor driving module 3 through countdown, and the countdown duration is greater than or equal to the half-life period; the time control module 1 controls the motor driving module 3 to keep the electric door grid 4 closed during the countdown period; after the countdown is finished, the time control module 1 controls the motor driving module 3 to open the electric door grid 4.
Still include urgent processing module 6, urgent call module 7 and video module 8 of talkbacking, urgent processing module 6 locates to seal the monitoring area outside, and urgent processing module 6 is used for controlling motor drive module 3 to open electrically operated gate 4 to and control electron guard gate 5 and remove the locking. The emergency call module 7 is arranged outside the closed monitoring area, and the emergency call module 7 comprises an emergency call button, a signal transmission unit and a sound production unit. The video talkback module 8 comprises a camera shooting unit, a pickup unit, a talkback unit and a display unit, wherein the camera shooting unit and the pickup unit are arranged in the closed monitoring area, and the display unit is arranged outside the closed monitoring area.
The time control module 1 comprises a user authentication unit, wherein the user authentication unit is used for authenticating the operation authority of monitoring personnel and comprises at least one of a face recognition device, a fingerprint recognition device and a password verification device. The electric door grating 4 comprises a door grating main body and a transmission motor, wherein the transmission motor is electrically connected to the motor driving module 3, and the transmission motor opens or closes the door grating main body according to a control signal of the motor driving module 3. The motor driving module 3 comprises a signal receiving unit and a motor control unit, wherein the signal receiving unit is used for receiving a control signal of the time control module 1, and the motor control unit is electrically connected with the transmission motor.
Through the mobile radioactive source isolation control system of the embodiment, the movable range of the mobile radioactive source can be limited to avoid harm to the public when the mobile radioactive source has radiation harm, the movable limit of the mobile radioactive source is automatically released when the mobile radioactive source has no radiation harm, and effective protection to medical staff and the peripheral people is realized. Meanwhile, the condition observation and communication of the movable radioactive source in the closed monitoring area by monitoring personnel can be realized, the electronic door grating can be forcibly opened when an emergency occurs, and medical personnel can be called in time to perform treatment.
Having described embodiments of the present invention, the foregoing description is intended to be exemplary, not exhaustive, and not limited to the embodiments disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art without departing from the scope and spirit of the described embodiments.
Claims (7)
1. A mobile radiation source isolation control system, comprising: the system comprises a time control module, a ray monitoring module, a motor driving module and an electric door grating, wherein the electric door grating is arranged on the inner side of an electronic protection door of a closed monitoring area, and a movable radioactive source with radioactive substances is positioned in the closed monitoring area; the time control module controls the on-off state of the electric door grid through the motor driving module according to the half-life period of the radioactive substance; the ray monitoring module controls the locking state of the electronic protection door according to the ray value of the movable radioactive source;
the time control module controls the motor driving module through countdown, and the countdown duration is longer than or equal to the half-life period of the radioactive substance; during the countdown period, the time control module controls the motor driving module to enable the electric door grating to keep closed; after the countdown is finished, the time control module controls the motor driving module to open the electric door grating;
the ray monitoring module comprises a multi-channel ray monitor, the multi-channel ray monitor comprises a host and a plurality of probes, the host is arranged outside the closed monitoring area, one probe is arranged at the electronic protection door, and the other probes are arranged inside the closed monitoring area;
the electronic protection door comprises a protection door main body and an electronic lock, the electronic lock is electrically connected with the host, the probe arranged at the electronic protection door detects a movable radioactive source moving to the electronic protection door, the host controls the electronic lock to keep locking when detecting that the ray value of the movable radioactive source is greater than a preset threshold value, and the host controls the electronic lock to unlock when detecting that the ray value of the movable radioactive source is less than the preset threshold value.
2. The mobile radioactive source isolation control system according to claim 1, further comprising an emergency processing module, the emergency processing module being disposed outside the enclosed monitoring area, the emergency processing module being configured to control the motor drive module to open the motorized door barrier and to control the electronically shielded door to unlock.
3. The mobile radioactive source isolation control system of claim 1, further comprising an emergency call module disposed outside the enclosed monitoring area, the emergency call module including an emergency call button and a sound emitting unit.
4. The mobile radioactive source isolation control system according to claim 1, further comprising a video intercom module, wherein the video intercom module comprises a camera unit, a pickup unit, an intercom unit and a display unit, the camera unit and the pickup unit are disposed inside the closed monitoring area, and the display unit is disposed outside the closed monitoring area.
5. The isolated control system of claim 1, wherein the time control module comprises a user authentication unit for authenticating the operation authority of the monitoring personnel, the user authentication unit comprising at least one of a face recognition device, a fingerprint recognition device, and a password verification device.
6. The isolated control system of claim 1, wherein the motorized door barrier comprises a door barrier body and a drive motor, the drive motor being electrically connected to the motor drive module, the drive motor opening or closing the door barrier body in response to a control signal from the motor drive module.
7. The isolated control system of claim 6, wherein the motor driving module comprises a signal receiving unit and a motor control unit, the signal receiving unit is configured to receive the control signal of the timing control module, and the motor control unit is electrically connected to the transmission motor.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910133157.4A CN109882020B (en) | 2019-02-22 | 2019-02-22 | Isolation control system for mobile radioactive source |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910133157.4A CN109882020B (en) | 2019-02-22 | 2019-02-22 | Isolation control system for mobile radioactive source |
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| CN109882020A CN109882020A (en) | 2019-06-14 |
| CN109882020B true CN109882020B (en) | 2021-06-29 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111508580A (en) * | 2020-03-31 | 2020-08-07 | 创业慧康科技股份有限公司 | Nuclear medicine patient reception method, system and device based on face recognition |
| CN116480259A (en) * | 2023-06-26 | 2023-07-25 | 深圳市越玛智能科技有限公司 | Medical automatic door control system with radiation protection function |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2886033Y (en) * | 2006-04-24 | 2007-04-04 | 天津市技术物理研究所 | Photo-electric control radiation protection door |
| CN101144363A (en) * | 2006-09-14 | 2008-03-19 | 邵国忠 | Electric near-wall folding protection gate barrier for bank ATM |
| KR20090010726A (en) * | 2007-07-24 | 2009-01-30 | 에스디건설 주식회사 | The transparent door with part of luminous pattern and lighting of light emitting diode and auto door therewith |
| CN103871140A (en) * | 2014-04-09 | 2014-06-18 | 山西禾曼医用辐射技术开发有限责任公司 | Door security system for controlling radiation dosage |
| CN106328217B (en) * | 2016-11-10 | 2018-02-02 | 北京凯佰特科技股份有限公司 | Neutron radiating device in hospital protective door safety interlock control system |
| CN107100518B (en) * | 2017-03-09 | 2019-07-26 | 深圳市泛亚环境工程开发设计股份有限公司 | Automatic protection shield door |
| CN206892871U (en) * | 2017-07-04 | 2018-01-16 | 中国人民解放军北京军区疾病预防控制中心 | Clinical nuclear medicine radioactive workplace personnel's intelligent monitoring management system |
| CN107420008A (en) * | 2017-08-21 | 2017-12-01 | 成都合众思创防护设备有限公司 | Automatic protective door based on radiation monitoring equipment |
| CN207701022U (en) * | 2017-11-30 | 2018-08-07 | 中国人民解放军陆军军医大学第二附属医院 | A kind of dept. of radiology's safety protective door |
| CN208283568U (en) * | 2018-05-09 | 2018-12-25 | 同方威视技术股份有限公司 | The test device of radioactive matter monitoring equipment |
| CN208518520U (en) * | 2018-05-30 | 2019-02-19 | 天仁民防建筑工程设计有限公司 | Closed guard gate's external environment Online Monitoring Control System |
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