CN114632271A - Image-guided brachytherapy combination device and use method thereof - Google Patents
Image-guided brachytherapy combination device and use method thereof Download PDFInfo
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- CN114632271A CN114632271A CN202210335958.0A CN202210335958A CN114632271A CN 114632271 A CN114632271 A CN 114632271A CN 202210335958 A CN202210335958 A CN 202210335958A CN 114632271 A CN114632271 A CN 114632271A
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
- A61N5/00—Radiation therapy
- A61N5/10—X-ray therapy; Gamma-ray therapy; Particle-irradiation therapy
- A61N5/1001—X-ray therapy; Gamma-ray therapy; Particle-irradiation therapy using radiation sources introduced into or applied onto the body; brachytherapy
- A61N5/1007—Arrangements or means for the introduction of sources into the body
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
- A61N5/00—Radiation therapy
- A61N5/10—X-ray therapy; Gamma-ray therapy; Particle-irradiation therapy
- A61N5/1048—Monitoring, verifying, controlling systems and methods
- A61N5/1049—Monitoring, verifying, controlling systems and methods for verifying the position of the patient with respect to the radiation beam
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
- A61N5/00—Radiation therapy
- A61N5/10—X-ray therapy; Gamma-ray therapy; Particle-irradiation therapy
- A61N5/1001—X-ray therapy; Gamma-ray therapy; Particle-irradiation therapy using radiation sources introduced into or applied onto the body; brachytherapy
- A61N5/1007—Arrangements or means for the introduction of sources into the body
- A61N2005/1008—Apparatus for temporary insertion of sources, e.g. afterloaders
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
- A61N5/00—Radiation therapy
- A61N5/10—X-ray therapy; Gamma-ray therapy; Particle-irradiation therapy
- A61N5/1048—Monitoring, verifying, controlling systems and methods
- A61N5/1049—Monitoring, verifying, controlling systems and methods for verifying the position of the patient with respect to the radiation beam
- A61N2005/1061—Monitoring, verifying, controlling systems and methods for verifying the position of the patient with respect to the radiation beam using an x-ray imaging system having a separate imaging source
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
- A61N5/00—Radiation therapy
- A61N5/10—X-ray therapy; Gamma-ray therapy; Particle-irradiation therapy
- A61N2005/1092—Details
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
- A61N5/00—Radiation therapy
- A61N5/10—X-ray therapy; Gamma-ray therapy; Particle-irradiation therapy
- A61N2005/1092—Details
- A61N2005/1097—Means for immobilizing the patient
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- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
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- Radiation-Therapy Devices (AREA)
Abstract
The invention discloses a combined device for image-guided brachytherapy and a use method thereof, and the combined device comprises a workbench, wherein a moving device is movably arranged on the workbench, a positioning support is fixedly arranged on the moving device, a fixed support is fixedly arranged below the workbench, a positioning clamping plate is arranged outside the fixed support, a square bottom plate is fixedly arranged below the fixed support, universal wheels are fixedly arranged below the square bottom plate, a CT simulation positioning machine is arranged on one side of the positioning moving device, and a post-loading therapeutic machine host is positioned on one side of the CT simulation positioning machine. The device is installed in a rear-loading treatment machine room, the position of a patient in the horizontal direction is adjusted by a moving device, the patient is transported into the rear-loading treatment machine room, the lifting device is adjusted to the equal-height position of a positioning bed surface of a CT simulation positioning machine, the patient is transversely translated to the positioning bed of the CT simulation positioning machine, and the safety of the patient is ensured during translation, so that the time of a rear-loading treatment process is shortened, and the uncertainty influencing the treatment accuracy is reduced.
Description
Technical Field
The invention relates to the technical field of radiotherapy, in particular to a combined device for image-guided brachytherapy and a using method thereof.
Background
After X-rays are found by an X-ray and radium is found by a Curie person, radiotherapy is quickly applied to clinical treatment of malignant tumors, the traditional radiotherapy can be divided into external irradiation treatment and short-distance irradiation treatment according to different irradiation modes, the external irradiation treatment refers to that a radioactive source is positioned at a certain distance outside the body and intensively irradiates a certain part of the human body, namely the most common treatment on a linear accelerator in the clinical application at present, the short-distance irradiation treatment refers to that the radioactive source is directly implanted into a treated tissue after being sealed or is placed into a natural lacuna of the human body for irradiation, which is also called internal irradiation treatment or afterloading treatment, cervical cancer is one of the most common malignant tumors of women, the total pelvic cavity external irradiation and intracavity short-distance irradiation is a basic method for treating cervical cancer at present, and the afterloading of intracavity irradiation is one of indispensable means in the modern cervical cancer radiotherapy, it has the characteristics of improving the dose of tumor parts, protecting normal tissues, reducing radiotherapy complications and the like, but during treatment operation, firstly, a rear-mounted source applying tube is put into the vagina and the uterine cavity of a patient, then, different treatment plans are designed for different patients by utilizing a planning system, and the treatment is accurately positioned under the guidance of CT or MRI, under the control of a computer, a radioactive source is sent to the tumor area from a treatment machine through a pipeline, and the position and the residence time of the radioactive source are controlled to adjust the irradiation dose of each part to achieve the treatment purpose, and the maximum characteristic is that: the irradiation only affects a very limited area around a radioactive source, the irradiation amount of surrounding normal tissues can be reduced, at present, the layout of a domestic after-loading machine room is simple, a transfer treatment vehicle, a after-loading treatment machine and auxiliary appliances are roughly arranged, at present, each stage needs certain steps and time to complete from a position fixing and mould manufacturing stage to an image acquisition positioning stage, and a subsequent image processing stage and a treatment plan design manufacturing and evaluation stage, the treatment plan design and evaluation need a process, a certain time cannot be achieved at once, so that after the image acquisition stage is completed, a patient needs to keep the treatment position until the treatment plan design manufacturing and evaluation stage is completed, the after-loading treatment can be carried out, a process is needed from the beginning of self-position fixing to the end of treatment, and factors influencing the length of the process time are too many, the uncertainty affecting the treatment accuracy is increased, and in order to shorten the time of afterloading treatment flow, reduce the uncertainty affecting the treatment accuracy and ensure the treatment accuracy, a combined device for image-guided brachytherapy is designed.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides the combined device for the image-guided brachytherapy and the use method thereof, which have the advantages of shortening the time for afterloading the treatment process, reducing the uncertainty of influencing the treatment accuracy and ensuring the treatment accuracy, and solve the problems of a plurality of uncertainties caused by the fact that the treatment accuracy is influenced by external factors too much due to too long treatment process of a patient.
In order to achieve the purpose, the invention provides the following technical scheme: a combined device for image-guided brachytherapy comprises a positioning treatment device, a rear-mounted therapeutic machine host and a CT simulation positioning machine, wherein the positioning treatment device comprises a workbench, a moving device is movably mounted on the workbench, a positioning support is fixedly mounted on the moving device, a fixed support is fixedly mounted below the workbench, a positioning clamp plate is arranged outside the fixed support, a square bottom plate is fixedly mounted below the fixed support, and a universal wheel is fixedly mounted below the square bottom plate; a CT simulation positioning machine is arranged on one side of the positioning treatment device; the afterloading therapeutic machine host is arranged on one side of the CT simulation positioning machine; the device is installed in an afterloading treatment machine room.
Preferably, the fixed support internally comprises a lifting device and an applicator.
Preferably, the positioning treatment device comprises an afterloading treatment host machine, and the CT simulation positioning machine is electrically connected with the positioning treatment device.
A method for using a combined device for image-guided brachytherapy includes such steps as horizontally laying a patient on a moving device, regulating the position of the patient in horizontal direction by the moving device, fixing the position of the patient on a position fixer of a movable therapeutic bed, inserting the applicator by worker, transferring the patient to a room in which the therapeutic bed is installed, regulating the height of the transfer bed to the same height as that of the positioning bed surface of a CT analog positioner by a lifting unit on the inner wall of a fixed support, parallel moving the patient to the positioning bed surface of the CT analog positioner by a transverse slide way, fixing the patient by moving the moving device transversely, aligning the patient with the legs facing the aperture of CT scan, examining the inserted state of the applicator by CT scan, and comparing the patient with the planned image, fine adjustment is carried out when necessary; the treatment is carried out by connecting the source conveying hose with the host machine of the after-loading treatment machine, after the treatment is finished, the source conveying channel is disconnected, the positioning bed of the CT simulation positioning machine is returned to the safe position, the treatment position fixing device is transversely translated to the special movable positioning treatment bed from the positioning bed of the CT simulation positioning machine through the transverse slideway, the treatment position fixing device is transferred to a treatment preparation room, and the source applicator is taken out, so that the time of the after-loading treatment flow is shortened, and the uncertainty of influencing the treatment accuracy is reduced.
Compared with the prior art, the method has the following beneficial effects:
1. the device is characterized in that a patient lies on a mobile device in a treatment preparation room, the position of the patient in the horizontal direction is adjusted through the mobile device, the position of the patient is fixed on a treatment position fixing device of a special movable positioning treatment bed, a worker inserts and fixes a source applicator, the patient is transported into an after-loading treatment machine room, the height of the transport bed is adjusted to the equal height position of a positioning bed surface of a CT simulation positioning machine through a lifting device on the inner wall of a fixing support, the two positions are in a parallel state, the patient is horizontally translated to the positioning bed of the CT simulation positioning machine through a transverse slideway, the patient is connected and fixed, the safety of the patient is guaranteed during translation, the foot of the patient faces the direction of the aperture of CT scanning, the inserted and fixed state of the source applicator is checked by CT scanning, whether the patient is changed or not through comparison with a treatment plan image, and fine adjustment is carried out if necessary.
2. After treatment is finished, the source conveying channel is disconnected, the positioning bed of the CT simulation positioning machine is returned to the safe position, the treatment body position fixing device is horizontally translated to the special movable positioning treatment bed from the positioning bed of the CT simulation positioning machine through the transverse slide way, the treatment body position fixing device is transferred to a treatment preparation room, and the source applicator is taken out, so that the time for post-loading a treatment flow is shortened, and the uncertainty influencing the treatment accuracy is reduced.
Drawings
FIG. 1 is a partial schematic view of the front side of the structure of the present invention.
FIG. 2 is a left side partial schematic view of the structure of the present invention.
FIG. 3 is a right side partial schematic view of the inventive structure.
Fig. 4 is a side view of the structure of the present invention.
FIG. 5 is a top layout view of the present invention.
Wherein: 100. a work table; 101. a mobile device; 102. positioning the treatment device; 103. positioning the bracket; 200. a fixed support; 201. positioning the clamping plate; 300. a square bottom plate; 301. a universal wheel; 400. a CT simulation positioning machine; 401. a CT bed; 500. and loading the therapeutic machine host.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-5, an image-guided brachytherapy combination apparatus includes a positioning treatment device 102, an afterloading treatment device main unit 500, and a CT simulation positioning machine 400, wherein the positioning treatment device includes a workbench 100, a moving device 101 is movably mounted on the workbench 100, a positioning bracket 103 is fixedly mounted on the moving device 101, a fixed support 200 is fixedly mounted under the workbench 100, a positioning clamp plate 201 is arranged outside the fixed support 200, a square bottom plate 300 is fixedly mounted under the fixed support 200, a universal wheel 301 is fixedly mounted under the square bottom plate 300, and the CT simulation positioning machine 400 is arranged on one side of the positioning treatment device 102; the afterloading therapeutic machine host 500 is positioned at one side of the CT simulation positioning machine 00; the device is installed in an afterloading treatment machine room.
Specifically, the fixed support 200 includes a lifting device and an applicator therein.
Specifically, the positioning therapy device 102 includes a main machine of the afterloading therapy device, and the CT simulation positioning machine 400 is electrically connected to the positioning therapy device 102.
When in use, in a treatment preparation room, a patient lies on the mobile device 101, then the position of the patient in the horizontal direction is adjusted through the mobile device 101, then the body position is fixed on a treatment body position fixing device of a special movable positioning treatment bed, a worker carries out insertion and fixation of the applicator, the patient is transported into a post-installation treatment machine room, the height of the transport bed is adjusted to the equal height position of the positioning bed surface of the CT simulation positioning machine 400 through a lifting device on the inner wall of the fixing support 200, the two are in a parallel state, the patient is transversely translated to the positioning bed of the CT simulation positioning machine 400 through the mobile device 101 through a transverse slideway, connection and fixation are carried out, the safety of the patient is ensured during translation, the feet of the patient face the aperture direction of CT scanning, the fixed state of the applicator is checked, whether the change exists or not is detected, fine adjustment is carried out if necessary, after treatment is finished, the source conveying channel is disconnected, the positioning bed of the CT simulation positioning machine 400 is returned to the safe position, the treatment body position fixing device is horizontally translated to the special movable positioning treatment bed from the positioning bed of the CT simulation positioning machine 400 through the transverse slide way, the treatment body position fixing device is transferred to a treatment preparation room, and the applicator is taken out, so that the time for afterloading a treatment flow is shortened, and the uncertainty influencing the treatment accuracy is reduced.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (4)
1. An image-guided brachytherapy combination device comprises a positioning treatment device (102), a post-loading treatment machine main unit (500) and a CT simulation positioning machine (400), wherein the positioning treatment device comprises a workbench (100), a moving device (101) is movably mounted on the workbench (100), a positioning support (103) is fixedly mounted on the moving device (101), a fixed support (200) is fixedly mounted below the workbench (100), a positioning clamping plate (201) is arranged outside the fixed support (200), a square bottom plate (300) is fixedly mounted below the fixed support (200), universal wheels (301) are fixedly mounted below the square bottom plate (300), and the CT simulation positioning machine (400) is arranged on one side of the positioning treatment device (102); the afterloading therapeutic machine main unit (500) is positioned at one side of the CT simulation positioning machine (400); the device is installed in an afterloading treatment machine room.
2. The combination of image-guided brachytherapy according to claim 1, wherein: the fixed support (200) comprises a lifting device and an applicator inside.
3. The combination of image-guided brachytherapy according to claim 1, wherein: the positioning treatment device (102) comprises an afterloading treatment machine host (500), and the CT simulation positioning machine (400) is connected with the positioning treatment device (102).
4. A method of using a combined image-guided brachytherapy apparatus, comprising: when in use, in a treatment preparation room, a patient lies on the mobile device 101, then the position of the patient in the horizontal direction is adjusted through the mobile device 101, then the body position is fixed on a treatment body position fixing device of a special movable positioning treatment bed, a worker carries out insertion and fixation of the applicator, the patient is transported into a post-installation treatment machine room, the height of the transport bed is adjusted to the equal height position of the positioning bed surface of the CT simulation positioning machine 400 through a lifting device on the inner wall of the fixing support 200, the two are in a parallel state, the patient is transversely translated to the positioning bed of the CT simulation positioning machine 400 through the mobile device 101 through a transverse slideway, connection and fixation are carried out, the safety of the patient is ensured during translation, the feet of the patient face the aperture direction of CT scanning, the fixed state of the applicator is checked, whether the change exists or not is detected, fine adjustment is carried out if necessary, after treatment is finished, the source conveying channel is disconnected, the positioning bed of the CT simulation positioning machine 400 is returned to the safe position, the treatment body position fixing device is horizontally translated to the special movable positioning treatment bed from the positioning bed of the CT simulation positioning machine 400 through the transverse slide way, the treatment body position fixing device is transferred to a treatment preparation room, and the applicator is taken out, so that the time for afterloading a treatment flow is shortened, and the uncertainty influencing the treatment accuracy is reduced.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210335958.0A CN114632271A (en) | 2022-04-01 | 2022-04-01 | Image-guided brachytherapy combination device and use method thereof |
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| CN202210335958.0A CN114632271A (en) | 2022-04-01 | 2022-04-01 | Image-guided brachytherapy combination device and use method thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117883245A (en) * | 2024-03-15 | 2024-04-16 | 厦门势拓医疗科技有限公司 | Medical electric transfer method, controller and storage medium |
| CN117883245B (en) * | 2024-03-15 | 2024-06-07 | 厦门势拓医疗科技有限公司 | Medical electric transfer method, controller and storage medium |
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2022
- 2022-04-01 CN CN202210335958.0A patent/CN114632271A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117883245A (en) * | 2024-03-15 | 2024-04-16 | 厦门势拓医疗科技有限公司 | Medical electric transfer method, controller and storage medium |
| CN117883245B (en) * | 2024-03-15 | 2024-06-07 | 厦门势拓医疗科技有限公司 | Medical electric transfer method, controller and storage medium |
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