CN219208771U - Radiation therapy is penetrated open-air stray radiation protector based on 3D prints - Google Patents
Radiation therapy is penetrated open-air stray radiation protector based on 3D prints Download PDFInfo
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- CN219208771U CN219208771U CN202223339457.4U CN202223339457U CN219208771U CN 219208771 U CN219208771 U CN 219208771U CN 202223339457 U CN202223339457 U CN 202223339457U CN 219208771 U CN219208771 U CN 219208771U
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- 238000001959 radiotherapy Methods 0.000 title claims abstract description 70
- 230000005855 radiation Effects 0.000 title claims abstract description 37
- 230000001012 protector Effects 0.000 title claims description 8
- 238000009792 diffusion process Methods 0.000 claims abstract description 23
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 claims abstract description 20
- 230000002265 prevention Effects 0.000 claims abstract description 18
- 230000005540 biological transmission Effects 0.000 claims abstract description 16
- 230000001681 protective effect Effects 0.000 claims abstract description 14
- 238000010146 3D printing Methods 0.000 claims abstract description 11
- 230000000712 assembly Effects 0.000 claims description 14
- 238000000429 assembly Methods 0.000 claims description 14
- 230000007246 mechanism Effects 0.000 claims description 7
- 238000009423 ventilation Methods 0.000 claims description 7
- 210000000056 organ Anatomy 0.000 abstract description 7
- 206010028980 Neoplasm Diseases 0.000 description 4
- 210000004027 cell Anatomy 0.000 description 4
- 230000002285 radioactive effect Effects 0.000 description 4
- 230000004083 survival effect Effects 0.000 description 4
- 230000003902 lesion Effects 0.000 description 3
- 208000002454 Nasopharyngeal Carcinoma Diseases 0.000 description 2
- 206010061306 Nasopharyngeal cancer Diseases 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 201000011216 nasopharynx carcinoma Diseases 0.000 description 2
- 230000036285 pathological change Effects 0.000 description 2
- 231100000915 pathological change Toxicity 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 201000011510 cancer Diseases 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 206010013781 dry mouth Diseases 0.000 description 1
- 239000005355 lead glass Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000007639 printing Methods 0.000 description 1
- 230000003439 radiotherapeutic effect Effects 0.000 description 1
- 208000011571 secondary malignant neoplasm Diseases 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000001225 therapeutic effect Effects 0.000 description 1
- 210000004881 tumor cell Anatomy 0.000 description 1
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/25—Process efficiency
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Abstract
The utility model relates to the field of medical radiation protection, in particular to a radiation therapy field stray radiation protection device based on 3D printing. The diffusion prevention assembly comprises a lead plate; a telescopic cavity is arranged in the lead plate; a first lead rod movably penetrates through the bottom of the telescopic cavity; a plurality of groups of second lead rods are sequentially connected to two sides of the first lead rod in a sliding manner; two groups of second motors are arranged in the lead plate; the output ends of the two groups of second motors extend into the telescopic cavity, and are respectively connected with a group of second screw rods in a transmission way; and one ends of the two groups of second lead screws, which are far away from the corresponding group of second motors, are respectively in threaded connection with the group of second lead rods far away from the first lead rods. According to the utility model, through isolating the diseased part from the normal part of the patient and then carrying out radiotherapy, low-dose stray radiation is prevented from diffusing to the outside of the radiation irradiation part during radiotherapy to kill normal tissue organ cells of a human body, and the safety of the protective device is improved.
Description
Technical Field
The utility model belongs to the field of medical radiation protection, and particularly relates to a radiation therapy field stray radiation protection device based on 3D printing.
Background
In recent years, with the progress of medical accelerator high-energy X-ray radiotherapy technology, the survival rate of tumor patients is greatly improved, and the survival quality of patients after treatment is also improved. For example, the survival rate of the early nasopharyngeal carcinoma after 5 years of radiotherapy can reach 80-90%, the survival rate of the middle and late nasopharyngeal carcinoma after 5 years can also reach 70-80%, and sequelae of radiotherapy such as dry mouth and difficult mouth opening are effectively controlled.
The radiation therapy of cancers is accompanied by the worry of radiation cancer, especially children, young patients or patients who can survive for a long time after radiotherapy, and the secondary cancer problem of low-dose stray radiation outside the irradiation part (i.e. in the field of radiation) is receiving more and more attention of radiotherapeutic specialists.
Through searching, in the prior art, chinese patent application number: cn202123258846.X, filing date: 2021-12-20 discloses a tumor radiotherapy patient protection device, which comprises a base plate, the bottom plate upper end is connected with the base, the base upper end is connected with the lift seat, the lift seat upper end is connected with the radiotherapy bed, terminal surface left and right sides is connected with the fixed plate around the radiotherapy bed, is connected with the guide arm between the fixed plate of left and right sides, installs protector on the guide arm of front and back side left and right sides. The radioactive rays comprise alpha rays, beta rays and gamma rays generated by radioactive isotopes, x rays, electron rays, proton beams, other particle beams generated by various x-ray therapeutic machines or accelerators and the like, and the radiation rays are directly killed, so that in order to avoid that normal tissue organ cells are killed and normal organ functions are influenced in the radiotherapy process, protection devices on the left side and the right side of a radiotherapy bed are required to be arranged on two sides of a radiotherapy position, and the protection of normal tissue organs outside the radiotherapy position is protected; the protective device comprises a transparent lead glass plate which can absorb radiation.
The device still has the following drawbacks:
in the using process of the device, although the irradiation range of radioactive rays is limited through the transparent lead plate, the radioactive rays irradiate the lesion part of a patient to kill tumor cells, but the radiation can be diffused, and low-dose stray radiation outside the irradiation part still exists below the transparent lead plate to kill normal tissue organ cells of a human body, so that the device lacks safety.
Disclosure of Invention
Aiming at the problems, the utility model provides a radiation therapy field stray radiation protection device based on D printing, which comprises a protection device body; a radiotherapy bin is arranged at the top of the protective device body; two groups of first sliding grooves are symmetrically formed in the inner walls of the two sides of the radiotherapy bin; two groups of diffusion prevention assemblies are arranged in the radiotherapy bin; two ends of each group of diffusion prevention assemblies are respectively and slidably connected in the two groups of first sliding grooves;
the diffusion prevention assembly comprises a lead plate; a telescopic cavity is arranged in the lead plate; a first lead rod movably penetrates through the bottom of the telescopic cavity; a plurality of groups of second lead rods are sequentially connected to two sides of the first lead rod in a sliding manner; two groups of second motors are arranged in the lead plate; the output ends of the two groups of second motors extend into the telescopic cavity, and are respectively connected with a group of second screw rods in a transmission way; and one ends of the two groups of second lead screws, which are far away from the corresponding group of second motors, are respectively in threaded connection with the group of second lead rods far away from the first lead rods.
Further, an opening is arranged on the inner wall of one side of the radiotherapy bin; a ventilation filter screen is arranged at the opening; and a headrest is arranged at one side of the bottom of the radiotherapy bin, which is close to the ventilation filter screen.
Further, a bin gate is hinged to the edge of one side of the top of the protective device body; an electric sliding rail is arranged on one side wall of the bin gate close to the radiotherapy bin; and the output end of the electric sliding rail is in transmission connection with a radiotherapy mechanism.
Further, the radiotherapy mechanism comprises an electric push rod; the electric push rod is in transmission connection with the output end of the electric slide rail; the output end of the electric push rod is in transmission connection with a rotating block; one end of the rotating block, which is far away from the electric push rod, is hinged with a radiotherapy machine.
Further, a power cavity is arranged in the protective device body; two groups of first motors are arranged in the power cavity; the output ends of the two groups of first motors extend into a group of first sliding grooves respectively, and a group of first screw rods are connected in a transmission mode.
Further, one end of each group of first screw rods, which is far away from the corresponding group of first motors, is rotationally connected to the inner wall of the corresponding group of first sliding grooves; the two groups of first screw rods are respectively in threaded connection with one group of diffusion prevention assemblies.
Further, the first lead rod comprises a first rod body; a group of second sliding grooves are respectively formed in the two side walls of the first rod body; the second lead rod comprises a second rod body; a third sliding groove is formed in one side wall of the second rod body; a sliding block is arranged on one side wall, far away from the third sliding groove, of the second rod body.
Further, the sliding blocks on the plurality of groups of second rod bodies are all connected in the third sliding grooves on the adjacent group of second rod bodies in a sliding manner; the sliding blocks on the two groups of second rod bodies close to the first rod body are respectively and slidably connected in the second sliding grooves on two sides of the first rod body.
The beneficial effects of the utility model are as follows:
1. through adjusting two sets of horizontal positions of preventing diffusion subassembly, the first plumbous pole of reconcontrol and a plurality of group second plumbous pole decline and contradict respectively at patient's body surface for patient's pathological change position is isolated with normal position, has had low dose stray radiation to spread to the radiation when having avoided the radiotherapy and has killed human normal tissue organ cells outside the irradiation position, has improved protector's security.
2. The electric push rod is driven by the electric slide rail to be adjusted between the two groups of diffusion prevention assemblies, then the electric push rod drives the radiotherapy machine to ascend or descend, the irradiation height, the irradiation direction and the irradiation angle can be adjusted randomly by rotating the rotating block and the radiotherapy machine, and the practicability of the protection device is improved.
Additional features and advantages of the utility model will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model. The objectives and other advantages of the utility model may be realized and attained by the structure particularly pointed out in the written description and drawings.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions of the prior art, the following description will briefly explain the drawings used in the embodiments or the description of the prior art, and it is obvious that the drawings in the following description are some embodiments of the present utility model, and other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 shows a schematic structural view of a protective device according to an embodiment of the present utility model;
figure 2 shows a schematic top cross-sectional view of a protective device of an embodiment of the present utility model;
FIG. 3 shows an enlarged schematic view at FIG. 1A of an embodiment of the utility model;
FIG. 4 shows a schematic structural view of a diffusion barrier assembly according to an embodiment of the present utility model;
fig. 5 shows a schematic structural view of a first lead rod according to an embodiment of the present utility model;
fig. 6 shows a schematic structural view of a second lead rod according to an embodiment of the present utility model.
In the figure: 1. a protective device body; 2. a radiotherapy bin; 3. a bin gate; 4. a ventilation filter screen; 5. a first chute; 6. an electric slide rail; 7. a radiotherapy mechanism; 8. a diffusion prevention assembly; 9. a headrest; 10. a first screw rod; 11. a power cavity; 12. a first motor; 701. an electric push rod; 702. a rotating block; 703. a radiotherapy machine; 801. a lead plate; 802. a telescopic chamber; 803. a first lead rod; 804. a second lead rod; 805. a second motor; 806. a second screw rod; 8031. a first rod body; 8032. a second chute; 8041. a second rod body; 8042. a third chute; 8043. a sliding block.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
The embodiment of the utility model provides a radiation therapy field stray radiation protection device based on 3D printing, which comprises a protection device body 1. Illustratively, as shown in fig. 1 and 2, a radiotherapy bin 2 is arranged at the top of the protecting device body 1; an opening is arranged on the inner wall of one side of the radiotherapy bin 2; the opening is provided with a ventilation filter screen 4; a headrest 9 is arranged at one side of the bottom of the radiotherapy bin 2, which is close to the ventilation filter screen 4; two groups of first sliding grooves 5 are symmetrically formed in the inner walls of the two sides of the radiotherapy bin 2; two groups of diffusion prevention assemblies 8 are arranged in the radiotherapy bin 2; two ends of each group of diffusion prevention assemblies 8 are respectively and slidably connected in the two groups of first sliding grooves 5; a bin gate 3 is hinged at the edge of one side of the top of the protective device body 1; an electric sliding rail 6 is arranged on one side wall of the bin gate 3, which is close to the radiotherapy bin 2; the output end of the electric slide rail 6 is in transmission connection with a radiotherapy mechanism 7. A power cavity 11 is arranged in the protective device body 1; two groups of first motors 12 are arranged in the power cavity 11; the output ends of the two groups of first motors 12 respectively extend into one group of first sliding grooves 5, and are in transmission connection with one group of first screw rods 10; one end of each group of first screw rods 10, which is far away from the corresponding group of first motors 12, is rotatably connected to the inner wall of the corresponding group of first sliding grooves 5; the two groups of first screw rods 10 are respectively in threaded connection with one group of diffusion prevention assemblies 8.
Illustratively, as shown in FIG. 3, the radiotherapy mechanism 7 comprises an electric push rod 701; the electric push rod 701 is in transmission connection with the output end of the electric slide rail 6; the output end of the electric push rod 701 is in transmission connection with a rotating block 702; one end of the rotating block 702 far away from the electric push rod 701 is hinged with a radiotherapy machine 703.
Illustratively, as shown in FIG. 4, the diffusion preventing assembly 8 includes a lead plate 801; a telescopic cavity 802 is arranged in the lead plate 801; a first lead 803 is movably penetrated at the bottom of the telescopic cavity 802; a plurality of groups of second lead rods 804 are sequentially and slidably connected to two sides of the first lead rod 803; two groups of second motors 805 are arranged in the lead plate 801; the output ends of the two groups of second motors 805 extend into the telescopic cavity 802, and are respectively connected with a group of second screw rods 806 in a transmission way; one ends of the two groups of second lead screws 806, which are far away from the corresponding group of second motors 805, are respectively in threaded connection with a group of second lead screws 804 far away from the first lead screws 803.
Illustratively, as shown in FIGS. 5 and 6, the first lead 803 includes a first stem 8031; a group of second sliding grooves 8032 are respectively formed in the two side walls of the first rod body 8031; the second lead rod 804 includes a second rod body 8041; a third chute 8042 is formed on one side wall of the second rod body 8041; a sliding block 8043 is arranged on a side wall of the second rod body 8041, which is far away from the third sliding groove 8042. The sliding blocks 8043 on the plurality of groups of second rod bodies 8041 are all connected in the third sliding grooves 8042 on the adjacent group of second rod bodies 8041 in a sliding manner; the sliding blocks 8043 on the two groups of second rod bodies 8041 close to the first rod body 8031 are respectively and slidably connected in the second sliding grooves 8032 on two sides of the first rod body 8031.
The utility model provides a radiation therapy field stray radiation protection device based on 3D printing, which adopts the following operating principle: first, the 3D printer is used to print out the structure such as the protector body 1, and then the cost protector is assembled with other structures. When the protection device is used, the head of a patient lies in the radiotherapy bin 2 towards one side of the headrest 9, then two groups of first motors 12 are respectively controlled to drive the first screw rods 10 to rotate, so that the horizontal positions of one group of diffusion prevention assemblies 8 are respectively controlled, the two groups of diffusion prevention assemblies 8 are respectively positioned on two sides of a lesion part of the patient, then the two groups of second motors are controlled to drive the two groups of second screw rods 806 to rotate, and the first lead rods 803 and the plurality of groups of second lead rods 804 are enabled to descend and respectively collide with the body surface of the patient through the threaded connection relation between the two groups of second screw rods 806 and the two groups of second lead rods 804 on the two side edges of the bottom of the lead plate 801, so that the lesion part of the patient is isolated from a normal part. The electric push rod 701 is driven by the electric slide rail 6 to be adjusted between the two groups of diffusion prevention assemblies 8, the irradiation direction and the irradiation angle of the radiotherapy machine can be adjusted by rotating the rotating block 702 and the radiotherapy machine 703, the radiotherapy machine 703 is driven by the electric push rod 701 to ascend or descend, the irradiation height is adjusted, and then the bin gate 3 is covered, so that the radiotherapy is carried out on a patient.
The electric push rod 701 is driven by the electric slide rail 6 to be adjusted between the two groups of diffusion prevention assemblies 8, then the electric push rod 701 drives the radiotherapy machine 703 to ascend or descend, the irradiation height, the irradiation direction and the irradiation angle can be adjusted randomly by rotating the rotating block 702 and the radiotherapy machine 703, and the practicability of the protection device is improved.
Through adjusting two sets of horizontal positions of preventing diffusion subassembly 8, the first plumbous pole 803 of control again and a plurality of plumbous poles 804 of group descend and contradict respectively at patient's body surface for patient's pathological change position is isolated with normal position, has avoided there is low dose stray radiation diffusion to kill human normal tissue organ cells outside the radiation irradiation position during radiotherapy, has improved protector's security.
Although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present utility model.
Claims (8)
1. Radiation therapy is penetrated open-air stray radiation protector based on 3D prints, its characterized in that: comprises a protective device body (1); a radiotherapy bin (2) is arranged at the top of the protective device body (1); two groups of first sliding grooves (5) are symmetrically formed in the inner walls of two sides of the radiotherapy bin (2); two groups of diffusion prevention assemblies (8) are arranged in the radiotherapy bin (2); two ends of each group of diffusion prevention assemblies (8) are respectively and slidably connected in the two groups of first sliding grooves (5);
the diffusion prevention assembly (8) comprises a lead plate (801); a telescopic cavity (802) is arranged in the lead plate (801); a first lead rod (803) is movably penetrated at the bottom of the telescopic cavity (802); two sides of the first lead rod (803) are sequentially connected with a plurality of groups of second lead rods (804) in a sliding manner; two groups of second motors (805) are arranged in the lead plate (801); the output ends of the two groups of second motors (805) extend into the telescopic cavity (802), and are respectively connected with a group of second screw rods (806) in a transmission way; one ends of the two groups of second screw rods (806) far away from the corresponding group of second motors (805) are respectively in threaded connection with a group of second lead rods (804) far away from the first lead rods (803).
2. The radiation therapy radiation field stray radiation protection device based on 3D printing according to claim 1, wherein: an opening is arranged on the inner wall of one side of the radiotherapy bin (2); a ventilation filter screen (4) is arranged at the opening; a headrest (9) is arranged at one side of the bottom of the radiotherapy bin (2) close to the ventilation filter screen (4).
3. The radiation therapy radiation field stray radiation protection device based on 3D printing according to claim 2, wherein: a bin gate (3) is hinged at the edge of one side of the top of the protective device body (1); an electric sliding rail (6) is arranged on one side wall of the bin gate (3) close to the radiotherapy bin (2); the output end of the electric sliding rail (6) is in transmission connection with a radiotherapy mechanism (7).
4. A radiation therapy radiation field stray radiation protection device based on 3D printing according to claim 3, wherein: the radiotherapy mechanism (7) comprises an electric push rod (701); the electric push rod (701) is in transmission connection with the output end of the electric slide rail (6); the output end of the electric push rod (701) is in transmission connection with a rotating block (702); one end of the rotating block (702) far away from the electric push rod (701) is hinged with a radiotherapy machine (703).
5. The radiation therapy radiation field stray radiation protection device based on 3D printing according to claim 2, wherein: a power cavity (11) is arranged in the protective device body (1); two groups of first motors (12) are arranged in the power cavity (11); the output ends of the two groups of first motors (12) respectively extend into one group of first sliding grooves (5), and are connected with one group of first screw rods (10) in a transmission way.
6. The radiation therapy radiation field stray radiation protection device based on 3D printing according to claim 5, wherein: one end of each group of first screw rods (10) far away from the corresponding group of first motors (12) is rotationally connected to the inner wall of the corresponding group of first sliding grooves (5); the two groups of first screw rods (10) are respectively in threaded connection with one group of diffusion prevention assemblies (8).
7. The radiation therapy radiation field stray radiation protection device based on 3D printing according to claim 2, wherein: the first lead rod (803) comprises a first rod body (8031); a group of second sliding grooves (8032) are respectively formed in the two side walls of the first rod body (8031); the second lead rod (804) comprises a second rod body (8041); a third chute (8042) is formed in one side wall of the second rod body (8041); a sliding block (8043) is arranged on one side wall, far away from the third sliding groove (8042), of the second rod body (8041).
8. The radiation therapy radiation field stray radiation protection device based on 3D printing according to claim 7, wherein: the sliding blocks (8043) on the plurality of groups of second rod bodies (8041) are all connected in a third sliding groove (8042) on the adjacent group of second rod bodies (8041) in a sliding way; the sliding blocks (8043) on the two groups of second rod bodies (8041) close to the first rod body (8031) are respectively and slidably connected in the second sliding grooves (8032) on two sides of the first rod body (8031).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223339457.4U CN219208771U (en) | 2022-12-12 | 2022-12-12 | Radiation therapy is penetrated open-air stray radiation protector based on 3D prints |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223339457.4U CN219208771U (en) | 2022-12-12 | 2022-12-12 | Radiation therapy is penetrated open-air stray radiation protector based on 3D prints |
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| Publication Number | Publication Date |
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| CN219208771U true CN219208771U (en) | 2023-06-20 |
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| CN202223339457.4U Active CN219208771U (en) | 2022-12-12 | 2022-12-12 | Radiation therapy is penetrated open-air stray radiation protector based on 3D prints |
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| CN (1) | CN219208771U (en) |
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