CN215025386U - Positioning device for breast tumor radiotherapy - Google Patents
Positioning device for breast tumor radiotherapy Download PDFInfo
- Publication number
- CN215025386U CN215025386U CN202120415894.6U CN202120415894U CN215025386U CN 215025386 U CN215025386 U CN 215025386U CN 202120415894 U CN202120415894 U CN 202120415894U CN 215025386 U CN215025386 U CN 215025386U
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- Prior art keywords
- limiting
- fixing seat
- positioning device
- radiotherapy
- breast tumor
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- 238000001959 radiotherapy Methods 0.000 title claims abstract description 44
- 206010006187 Breast cancer Diseases 0.000 title claims description 9
- 208000026310 Breast neoplasm Diseases 0.000 title claims description 9
- 230000007246 mechanism Effects 0.000 claims abstract description 15
- 206010028980 Neoplasm Diseases 0.000 claims abstract description 7
- 230000000149 penetrating effect Effects 0.000 claims abstract description 3
- 210000000038 chest Anatomy 0.000 claims description 12
- 210000001519 tissue Anatomy 0.000 description 8
- 238000000034 method Methods 0.000 description 7
- 230000005855 radiation Effects 0.000 description 5
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 4
- 208000035475 disorder Diseases 0.000 description 3
- 230000001154 acute effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000005865 ionizing radiation Effects 0.000 description 2
- 230000002285 radioactive effect Effects 0.000 description 2
- 206010017982 Gastrointestinal necrosis Diseases 0.000 description 1
- 206010061218 Inflammation Diseases 0.000 description 1
- 206010028851 Necrosis Diseases 0.000 description 1
- 206010031264 Osteonecrosis Diseases 0.000 description 1
- 206010033892 Paraplegia Diseases 0.000 description 1
- 208000007660 Residual Neoplasm Diseases 0.000 description 1
- 208000025865 Ulcer Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 210000004556 brain Anatomy 0.000 description 1
- 201000011510 cancer Diseases 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 230000004054 inflammatory process Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 210000002200 mouth mucosa Anatomy 0.000 description 1
- 210000004877 mucosa Anatomy 0.000 description 1
- 210000002850 nasal mucosa Anatomy 0.000 description 1
- 230000017074 necrotic cell death Effects 0.000 description 1
- 238000001356 surgical procedure Methods 0.000 description 1
- 230000008961 swelling Effects 0.000 description 1
- 231100000397 ulcer Toxicity 0.000 description 1
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- Radiation-Therapy Devices (AREA)
Abstract
The utility model relates to the technical field of medical supplies, in particular to chest tumor radiotherapy positioner. The positioning devices are symmetrically provided with two groups and fixedly connected with the radiotherapy bed, and each positioning device comprises a lower fixing seat fixedly arranged with the radiotherapy bed, an upper fixing seat connected with the lower fixing seat in a sliding manner, limiting mechanisms arranged on one sides of the upper fixing seat and the lower fixing seat, and a pressing mechanism arranged at one end of the upper fixing seat; the limiting mechanism comprises a plurality of columnar limiting columns uniformly arranged on the side part of the lower fixing seat, a fixing block fixed on the side part of the upper fixing seat and an L-shaped limiting rod arranged in the fixing block and vertically penetrating through the fixing block; and the limiting rod is also sleeved with a limiting spring. The utility model discloses simple structure, convenient to use can fix the radiotherapy position, reduces normal histocyte damage.
Description
Technical Field
The utility model relates to the technical field of medical supplies, in particular to chest tumor radiotherapy positioner.
Background
Radiotherapy is the treatment of malignant tumors and some benign diseases with one or more ionizing radiations, and the means of radiotherapy is ionizing radiations. Before the operation of a patient, a doctor can use radiotherapy to shrink the tumor, so that the tumor is easy to cut off; after surgery, radiation therapy is used to inhibit the growth of residual cancer cells.
In the clinical radiotherapy process, the radiation ray inevitably has certain influence on the normal tissues of the human body, thereby causing certain radiation reaction and damage. In addition to the damage of tissue cells caused by radiotherapy, the radiotherapy also has possible complicated inflammations, such as local mucosa redness and swelling, pain, shallow ulcer and pseudomembranous formation caused by acute radioactive reaction of oral and nasal mucosa, acute dry or wet radioactive reaction of skin and the like. More severe cases also cause jettic paraplegia, brain necrosis, osteonecrosis, and intestinal necrosis.
Therefore, in the process of radiotherapy of a patient, how to perform targeted radiotherapy on only a designated part to avoid unnecessary damage caused by radiation irradiation on other normal tissues is an important part in the current radiotherapy treatment.
Disclosure of Invention
Not enough to prior art exists, the utility model provides a chest positioner that radiotherapy made used can carry out the radiotherapy of pertinence to the tumour position, reduces the damage of normal tissue.
The utility model discloses a realize that the technical scheme that above-mentioned purpose adopted is: two groups of positioning devices are symmetrically arranged and fixedly connected with a radiotherapy bed, each positioning device comprises a lower fixing seat fixedly arranged with the radiotherapy bed, an upper fixing seat slidably connected with the lower fixing seat, limiting mechanisms arranged on one sides of the upper fixing seat and the lower fixing seat, and a pressing mechanism arranged at one end of the upper fixing seat;
the limiting mechanism comprises a plurality of columnar limiting columns uniformly arranged on the side part of the lower fixing seat, a fixing block fixed on the side part of the upper fixing seat and an L-shaped limiting rod arranged in the fixing block and vertically penetrating through the fixing block;
and the limiting rod is also sleeved with a limiting spring.
Furthermore, the fixing block is provided with a cylindrical through hole in the vertical direction, and the L-shaped limiting rod is arranged in the cylindrical through hole.
Further, L type gag lever post includes removal portion and spacing portion, removal portion and spacing portion mutually perpendicular.
Furthermore, the tail end of the moving part is also provided with a limiting block, and the diameter of the limiting block is larger than that of the cylindrical through hole.
Further, the moving part is arranged inside the cylindrical through hole, the limiting part is arranged at the lower part of the fixing block, and the spring is sleeved on the moving part and is positioned between the fixing block and the limiting block.
Furthermore, the diameter of the limiting part is smaller than the gap between two adjacent limiting columns.
Furthermore, trapezoidal protrusions are arranged on the lower fixing seat, trapezoidal grooves are arranged on the upper fixing seat, and the trapezoidal protrusions are matched with the trapezoidal grooves, so that the upper fixing seat and the lower fixing seat can only slide mutually.
Furthermore, the pressing mechanism comprises a connecting rod fixedly connected with the upper fixing seat and a sponge pressing plate fixedly connected with the connecting rod.
The utility model discloses chest tumour radiotherapy positioner's beneficial effect is:
the two groups of positioning devices can be used for clamping and fixing the chest from two sides, so that the change of the radiotherapy position of a patient due to disorder in the radiotherapy process is prevented, and the normal tissue cells are irradiated to cause unnecessary damage; stop gear convenient operation, it is fixed firm, only need lift L type gag lever post gently, can remove the fixing base, according to different patient's size, the adjustment clamping position, it is fixed to guarantee patient's chest, because of the diameter of spacing portion is less than the clearance of two adjacent spacing posts, consequently under spacing spring's effect, L type gag lever post card is fixed between two spacing posts, make and go up the fixing base and can't remove, even patient is in disorder at the in-process of radiotherapy, also can not change the radiotherapy position, the damage of radiation is avoided to the normal cell tissue of protection.
The utility model discloses simple structure, convenient to use can fix the radiotherapy position, reduces normal histocyte damage.
Drawings
Fig. 1 is a schematic top view of an embodiment of the present invention;
fig. 2 is a schematic perspective view of a positioning device according to an embodiment of the present invention;
fig. 3 is a schematic bottom view of a positioning device according to an embodiment of the present invention;
fig. 4 is a schematic diagram of a transverse cross-sectional structure of the positioning device according to the embodiment of the present invention during position limitation;
fig. 5 is a schematic view of a three-dimensional connection structure of an L-shaped limiting rod and a limiting post when the positioning device of the embodiment of the present invention is limiting;
fig. 6 is a schematic diagram of a transverse cross-sectional structure of the positioning device according to the embodiment of the present invention when the positioning device is not limiting;
fig. 7 is a schematic view of a three-dimensional connection structure of an L-shaped limiting rod and a limiting post when the positioning device of the embodiment of the present invention is not limiting;
the components in the drawings are numbered as follows:
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments;
example (b):
as shown in fig. 1-7, two groups of positioning devices are symmetrically arranged and fixedly connected with a radiotherapy bed 1; the two groups of positioning devices can be used for clamping and fixing the chest from two sides, so that the change of the radiotherapy position of a patient due to disorder in the radiotherapy process is prevented, and the normal tissue cells are irradiated to cause unnecessary damage;
the positioning device comprises a lower fixed seat 2 fixedly arranged with the radiotherapy bed 1, an upper fixed seat 3 connected with the lower fixed seat 2 in a sliding way, a limiting mechanism arranged on one side of the upper fixed seat 3 and the lower fixed seat 2, and a pressing mechanism arranged at one end of the upper fixed seat 3; the lower fixing seat 2 is provided with a trapezoidal protrusion, the upper fixing seat 3 is provided with a trapezoidal groove, and the trapezoidal protrusion and the trapezoidal groove are mutually matched, so that the upper fixing seat 3 and the lower fixing seat 2 can only slide mutually and are firmly fixed.
The limiting mechanism comprises a plurality of columnar limiting columns 4 uniformly arranged on the side part of the lower fixing seat 2, a fixing block 5 fixed on the side part of the upper fixing seat 3, and an L-shaped limiting rod 6 which is arranged in the fixing block 5 and vertically penetrates through the fixing block 5; and the limiting rod 6 is also sleeved with a limiting spring 7.
Be equipped with the cylindrical through-hole of direction from top to bottom on the fixed block 5, L type gag lever post 6 includes removal portion 8 and spacing portion 9, still is equipped with stopper 10 at the end of removal portion 8, removal portion 8 and spacing portion 9 mutually perpendicular. The moving portion 8 is provided inside the cylindrical through hole. The limiting spring 7 is sleeved on the moving part 8 and is positioned between the fixing block 5 and the limiting block 10. The diameter of the limiting block 10 is larger than that of the cylindrical through hole. The limiting part 9 is arranged at the lower part of the fixing block 5, and the diameter of the limiting part 9 is smaller than the gap between two adjacent limiting columns 4. When the limiting spring 7 is in a fully extended state, the limiting part 9 is positioned between the two limiting columns 4 and cannot move, and when the limiting spring 7 is in a compressed state, the limiting part 9 is positioned at the lower parts of the limiting columns 4 and can move freely.
Only need lift L type gag lever post 6 gently, can remove fixing base 3, according to different patient's size, the adjustment clamping position, it is fixed to guarantee patient's chest, because of the diameter of spacing portion 9 is less than the clearance of two adjacent spacing posts 4, consequently under spacing spring 7's effect, L type gag lever post 6 card is fixed between two spacing posts 4, make and go up fixing base 3 and can't remove, even patient moves about in-process at the radiotherapy, also can not change the radiotherapy position, the damage of radiation is avoided to the normal cell tissue of protection.
The pressing mechanism comprises a connecting rod 11 fixedly connected with the upper fixing seat 3 and a sponge pressing plate 12 fixedly connected with the connecting rod 11. The sponge pressing plate 12 can ensure the comfort of the patient while fixing the chest.
The using method comprises the following steps:
when the positioning device needs to be moved to clamp the chest of a patient, the L-shaped limiting rod 6 is pressed downwards, the limiting spring 7 is compressed, the limiting part 9 is positioned at the lower part of the limiting column 4, the upper fixing seat 3 can be moved at will, and the sponge pressing plate 12 clamps the chest of the patient in a state shown in figures 6 and 7;
when the movement is completed and the positioning device needs to be fixed, the pressing of the L-shaped limiting rod 6 is stopped, the limiting spring 7 rebounds, the limiting part 9 is clamped between the two limiting columns 4, the upper fixing seat 3 cannot move, the chest is fixed, and the state is as shown in fig. 4 and 5.
The above embodiments are only for illustrating the technical concept and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and to implement the present invention, which cannot limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered by the protection scope of the present invention.
Claims (8)
1. The utility model provides a chest tumour radiotherapy positioner, the positioner symmetry is equipped with two sets ofly to with radiotherapy bed fixed connection, its characterized in that: the positioning device comprises a lower fixed seat fixedly arranged with the radiotherapy bed, an upper fixed seat connected with the lower fixed seat in a sliding manner, a limiting mechanism arranged on one side of the upper fixed seat and one side of the lower fixed seat, and a pressing mechanism arranged at one end of the upper fixed seat;
the limiting mechanism comprises a plurality of columnar limiting columns uniformly arranged on the side part of the lower fixing seat, a fixing block fixed on the side part of the upper fixing seat and an L-shaped limiting rod arranged in the fixing block and vertically penetrating through the fixing block;
and the limiting rod is also sleeved with a limiting spring.
2. The breast tumor radiotherapy positioning device of claim 1, wherein: the fixing block is provided with a cylindrical through hole in the vertical direction, and the L-shaped limiting rod is arranged in the cylindrical through hole.
3. The breast tumor radiotherapy positioning device of claim 2, wherein: the L-shaped limiting rod comprises a moving part and a limiting part, and the moving part and the limiting part are perpendicular to each other.
4. The breast tumor radiotherapy positioning device of claim 3, wherein: the tail end of the moving part is also provided with a limiting block, and the diameter of the limiting block is larger than that of the cylindrical through hole.
5. The breast tumor radiotherapy positioning device of claim 3, wherein: the movable part is arranged in the cylindrical through hole, the limiting part is arranged at the lower part of the fixing block, and the limiting spring is sleeved on the movable part and is positioned between the fixing block and the limiting block.
6. The breast tumor radiotherapy positioning device of claim 3, wherein: the diameter of the limiting part is smaller than the gap between two adjacent limiting columns.
7. The breast tumor radiotherapy positioning device of claim 1, wherein: the lower fixing seat is provided with a trapezoidal protrusion, the upper fixing seat is provided with a trapezoidal groove, and the trapezoidal protrusion and the trapezoidal groove are mutually matched, so that the upper fixing seat and the lower fixing seat can only slide mutually.
8. The breast tumor radiotherapy positioning device of claim 1, wherein: the pressing mechanism comprises a connecting rod fixedly connected with the upper fixing seat and a sponge pressing plate fixedly connected with the connecting rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120415894.6U CN215025386U (en) | 2021-02-25 | 2021-02-25 | Positioning device for breast tumor radiotherapy |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120415894.6U CN215025386U (en) | 2021-02-25 | 2021-02-25 | Positioning device for breast tumor radiotherapy |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215025386U true CN215025386U (en) | 2021-12-07 |
Family
ID=79253546
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120415894.6U Expired - Fee Related CN215025386U (en) | 2021-02-25 | 2021-02-25 | Positioning device for breast tumor radiotherapy |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215025386U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115282500A (en) * | 2022-05-20 | 2022-11-04 | 重庆医科大学 | Positioning device for clinical radiation of oncology medicine |
-
2021
- 2021-02-25 CN CN202120415894.6U patent/CN215025386U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115282500A (en) * | 2022-05-20 | 2022-11-04 | 重庆医科大学 | Positioning device for clinical radiation of oncology medicine |
| CN115282500B (en) * | 2022-05-20 | 2024-05-24 | 重庆医科大学 | Positioning device for clinical radiation of oncology medicines |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20211207 |
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| CF01 | Termination of patent right due to non-payment of annual fee |