CN220801717U - Positioner for tumor radiotherapy - Google Patents
Positioner for tumor radiotherapy Download PDFInfo
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- CN220801717U CN220801717U CN202320777760.8U CN202320777760U CN220801717U CN 220801717 U CN220801717 U CN 220801717U CN 202320777760 U CN202320777760 U CN 202320777760U CN 220801717 U CN220801717 U CN 220801717U
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- positioning
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- bevel gear
- head
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- 238000001959 radiotherapy Methods 0.000 title claims abstract description 17
- 206010028980 Neoplasm Diseases 0.000 title claims abstract description 15
- 230000007246 mechanism Effects 0.000 claims abstract description 34
- 239000013013 elastic material Substances 0.000 claims abstract description 3
- 230000002457 bidirectional effect Effects 0.000 claims description 22
- 230000005540 biological transmission Effects 0.000 claims description 18
- 230000001681 protective effect Effects 0.000 claims description 4
- 230000000694 effects Effects 0.000 abstract description 13
- 230000009471 action Effects 0.000 description 14
- 238000000034 method Methods 0.000 description 4
- 238000001356 surgical procedure Methods 0.000 description 4
- 230000007547 defect Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000012084 abdominal surgery Methods 0.000 description 1
- 210000000481 breast Anatomy 0.000 description 1
- 201000011510 cancer Diseases 0.000 description 1
- 210000000038 chest Anatomy 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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- Radiation-Therapy Devices (AREA)
Abstract
The utility model relates to the technical field of medical appliances, and discloses a positioning device for tumor radiotherapy, which comprises a positioning bed, wherein the upper end of the positioning bed is fixedly connected with a headrest, the headrest is made of elastic materials, a head positioning mechanism and four limbs positioning mechanisms are arranged in the positioning bed, the head positioning mechanism is used for positioning a head, the four limbs positioning mechanisms are used for positioning four limbs, the head positioning mechanism comprises a travel groove formed in the upper end face of the positioning bed, a guide block is slidably connected in the travel groove, the upper end of the guide block is fixedly connected with a positioning plate, and the headrest is positioned between the positioning plates. The utility model can achieve the effect of rapidly positioning the patient by simple operation.
Description
Technical Field
The utility model relates to the technical field of medical appliances, in particular to a positioning device for tumor radiotherapy.
Background
Oncology, some hospitals are divided into oncology and oncology, and oncology is mainly used for internal medicine treatment of various benign and malignant tumors; oncology surgery provides a surgical-based comprehensive treatment. The relevant departments of the specialized oncology hospitals can be subdivided according to different parts, such as breast surgery, head and neck surgery, chest surgery, oncology department, abdominal surgery and oncology department.
The prior art has the following defects: the positioning device is needed to be used in tumor radiotherapy to enable a patient to lie on the positioning device for radiotherapy treatment, the positioning process of the traditional radiotherapy positioning device is complex, the operation steps are multiple, and the speed of the positioning process is slow.
Disclosure of utility model
In order to overcome the defects in the prior art, the utility model provides a positioning device for tumor radiotherapy, which aims to solve the problems in the prior art.
The utility model provides the following technical scheme: the utility model provides a positioner for tumor radiotherapy, includes the location bed, location bed upper end fixedly connected with headrest, the headrest is the elasticity material, be provided with head positioning mechanism and four limbs positioning mechanism in the location bed, head positioning mechanism is used for the location to the head, four limbs positioning mechanism is used for the location to four limbs, head positioning mechanism is including the travel slot that the location bed up end was seted up, sliding connection has the guide block in the travel slot, guide block upper end fixedly connected with locating plate, the headrest is located between the locating plate, the locating plate is the arc, locating plate surface fixedly connected with elastic pad;
Preferably, the positioning bed is rotatably connected with a bidirectional threaded rod, and the bidirectional threaded rod is in threaded connection with the guide block.
Preferably, the four limbs fixed establishment is including locating bed upper end fixedly connected with correction piece, the spout has all been seted up to correction piece and locating bed up end, sliding connection has the rack in the spout, the extension spring groove has been seted up to the rack up end, fixedly connected with extension spring in the extension spring groove, fixedly connected with holding ring on the extension spring, sliding connection between holding ring and the extension spring groove, holding ring circumference fixedly connected with protective sheath, the locating bed swivelling joint has the transmission shaft, transmission shaft circumference fixedly connected with gear, gear and rack engagement.
Preferably, the motor is fixedly connected with the positioning bed, the output end of the motor is fixedly connected with the driving shaft, the driving shaft is rotationally connected with the positioning bed, the circumference of the driving shaft is fixedly connected with the first bevel gear and the second bevel gear, the circumference of the bidirectional threaded rod is fixedly connected with the third bevel gear, the circumference of the driving shaft is fixedly connected with the fourth bevel gear, the first bevel gear is meshed with the fourth bevel gear, and the second bevel gear is meshed with the third bevel gear.
The utility model has the technical effects and advantages that:
According to the utility model, after a patient lies on a positioning bed, the head is rested on the headrest, and the limbs prop against the inner sides of the four correction blocks, then the motor is controlled to drive the driving shaft to rotate, the driving shaft simultaneously drives the first bevel gear and the second bevel gear to rotate, the first bevel gear drives the fourth bevel gear to rotate, the fourth bevel gear drives the transmission shaft to rotate, the limb positioning mechanism is driven to rotate under the action of the rotation of the transmission shaft, the limbs of the patient are positioned, then the third bevel gear drives the bidirectional threaded rod to rotate under the action of the rotation of the second bevel gear, the head positioning mechanism is driven to rotate under the action of the rotation of the bidirectional threaded rod, the head of the patient is positioned by the action of the rotation of the bidirectional threaded rod, and when one end of the positioning ring, far away from the tension spring, is propped against the upper end face of the positioning bed, the driving shaft can be continuously rotated, the bidirectional threaded rod is continuously adjusted, the position of the positioning plate in the head positioning mechanism is continuously lowered, the tension spring is kept unchanged under the action of stretching, and the position of the positioning ring is kept unchanged, so that the positioning effect of the limb is achieved, and the traditional positioning mode is achieved, and the time is more convenient and fast compared with the positioning mode of the limbs.
Drawings
Fig. 1 is a schematic diagram of the overall structure of the present utility model.
FIG. 2 is a schematic view of the internal structure of the positioning bed of the present utility model.
Fig. 3 is a schematic structural view of a head positioning mechanism according to the present utility model.
Fig. 4 is a schematic structural view of an extremity fixing mechanism according to the present utility model.
The reference numerals are: 1. positioning a bed; 2. a headrest; 3. a travel groove; 4. a guide block; 5. a positioning plate; 6. an elastic pad; 7. a two-way threaded rod; 8. a correction block; 9. a chute; 10. a rack; 11. a tension spring groove; 12. a tension spring; 13. a protective sleeve; 14. a transmission shaft; 15. a gear; 16. a motor; 17. a drive shaft; 18. a first bevel gear; 19. a second bevel gear; 20. a third bevel gear; 21. a fourth bevel gear; 22. and a positioning ring.
Detailed Description
The embodiments of the present utility model will be clearly and completely described below with reference to the drawings in the present utility model, and the configurations of the structures described in the following embodiments are merely examples, and the positioning device for tumor radiotherapy according to the present utility model is not limited to the structures described in the following embodiments, and all other embodiments obtained by a person having ordinary skill in the art without making any creative effort are within the scope of the present utility model.
The utility model provides a positioning device for tumor radiotherapy, which comprises a positioning bed 1, wherein the upper end of the positioning bed 1 is fixedly connected with a headrest 2, the headrest 2 is made of elastic materials, a head positioning mechanism and an extremity positioning mechanism are arranged in the positioning bed 1, the head positioning mechanism is used for positioning the head, the extremity positioning mechanism is used for positioning the extremities, the head positioning mechanism comprises a travel groove 3 formed in the upper end face of the positioning bed 1, a guide block 4 is connected in the travel groove 3 in a sliding manner, the upper end of the guide block 4 is fixedly connected with a positioning plate 5, the headrest 2 is positioned between the positioning plates 5, the positioning plate 5 is arc-shaped, the surface of the positioning plate 5 is fixedly connected with an elastic cushion 6, when the positioning plate works, a patient is firstly laid on the positioning bed 1, at this time, the head of the patient is rested on the headrest 2, then the head of the patient is rotated through a bidirectional threaded rod 7, the bidirectional threaded rod 7 drives the guide block 4 to slide in the travel groove 3, the two positioning plates 5 move towards the head of the patient, and the patient can move to the proper positions, and the head of the patient can be better attached to the patient due to the arc-shaped positioning plate 5, the head can achieve the effect of limiting the patient, and the limb positioning effect can be achieved simultaneously, and the limb positioning effect of the patient is achieved.
Further, the positioning bed 1 is rotationally connected with a bidirectional threaded rod 7, the bidirectional threaded rod 7 is in threaded connection with the guide block 4, and when the positioning bed is in operation, the positioning bed is rotated through the bidirectional threaded rod 7, so that the effect of driving the head positioning mechanism to operate is achieved.
Further, four limbs fixed establishment is including locating bed 1 upper end fixedly connected with correction piece 8, correction piece 8 and locating bed 1 up end all offer spout 9, sliding connection has rack 10 in spout 9, extension spring groove 11 has been offered to rack 10 up end, fixedly connected with extension spring 12 in extension spring groove 11, fixedly connected with holding ring 22 in extension spring 12 upper end, sliding connection between holding ring 22 and the extension spring groove 11, holding ring 22 circumference fixedly connected with protective sheath 13, the locating bed 1 swivelling joint has transmission shaft 14, transmission shaft 14 circumference fixedly connected with gear 15, gear 15 meshes with rack 10, after the patient lies on locating bed 1, support the inboard of four correction pieces 8 through four limbs, then rotate through transmission shaft 14, transmission shaft 14 just drives gear 15 and rotates, gear 15 drives rack 10 and moves down, rack 10 drives holding ring 22 down through the effect of extension spring 12, until holding ring 22 keeps away from the one end of 12 and supports to locating bed 1 up end, thereby reach the effect of carrying out the location to patient four limbs.
Further, a motor 16 is fixedly connected in the positioning bed 1, the output end of the motor 16 is fixedly connected with a driving shaft 17, the driving shaft 17 is rotationally connected with the positioning bed 1, the circumference of the driving shaft 17 is fixedly connected with a first bevel gear 18 and a second bevel gear 19, the circumference of the bi-directional threaded rod 7 is fixedly connected with a third bevel gear 20, the circumference of the transmission shaft 14 is fixedly connected with a fourth bevel gear 21, the first bevel gear 18 is meshed with the fourth bevel gear 21, the second bevel gear 19 is meshed with the third bevel gear 20, when the patient is lying on the positioning bed 1, the head is rested on the headrest 2, and when the limbs are propped against the inner sides of the four correction blocks 8, the motor 16 is controlled to rotate, the driving shaft 17 is driven by the motor 16, the driving shaft 17 is simultaneously driven by the first bevel gear 18 and the second bevel gear 19 to rotate, the first bevel gear 18 drives the fourth bevel gear 21 to rotate, the fourth bevel gear 21 drives the transmission shaft 14 to rotate, drives the four limbs positioning mechanism to rotate under the action of the rotation of the transmission shaft 14, positions the four limbs of a patient, then drives the third bevel gear 20 to rotate under the action of the rotation of the second bevel gear 19, the third bevel gear 20 drives the bidirectional threaded rod 7 to rotate, the head positioning mechanism is driven to rotate under the action of the rotation of the bidirectional threaded rod 7, positions the head of the patient, when the positioning plate 5 in the head positioning mechanism does not move to a proper position, one end of the positioning ring 22 far away from the tension spring 12 is abutted against the upper end surface of the positioning bed 1, at this time, the driving shaft 17 can be continuously rotated, the bidirectional threaded rod 7 is driven to rotate, the position of the positioning plate 5 in the head positioning mechanism is continuously adjusted, at this time, the rack 10 continuously descends under the action of stretching and expanding through the tension spring 12, the positioning ring 22 is kept unchanged in position, so that the effect of quickly and simultaneously positioning the head and the limbs of a patient is achieved, positioning time is saved, and the positioning method is more convenient and faster than a traditional positioning method.
The working principle of the utility model is as follows: when a patient lies on the positioning bed 1, the head is rested on the headrest 2, and the limbs prop against the inner sides of the four correction blocks 8, then the motor 16 is controlled to rotate, the driving shaft 17 is driven by the motor 16 to rotate, the driving shaft 17 simultaneously drives the first bevel gear 18 and the second bevel gear 19 to rotate, the first bevel gear 18 drives the fourth bevel gear 21 to rotate, the fourth bevel gear 21 drives the transmission shaft 14 to rotate, the limb positioning mechanism is driven to rotate under the action of the rotation of the transmission shaft 14, the transmission shaft 14 drives the gear 15 to rotate, the gear 15 drives the rack 10 to move downwards, the rack 10 drives the positioning ring 22 to move downwards under the action of the tension spring 12 until one end of the positioning ring 22 away from the tension spring 12 props against the upper end face of the positioning bed 1, thereby achieving the effect of positioning the limbs of the patient, and then under the action of the rotation of the second bevel gear 19, the third bevel gear 20 is driven to rotate, the third bevel gear 20 drives the bidirectional threaded rod 7 to rotate, the head positioning mechanism is driven to operate under the action of the rotation of the bidirectional threaded rod 7, the bidirectional threaded rod 7 drives the guide block 4 to slide in the travel groove 3 through the rotation of the bidirectional threaded rod 7, so that the two positioning plates 5 move towards the head of a patient to a proper position, the positioning plates 5 can be better attached to the head of the patient due to arc shapes, the effect of limiting the head of the patient is achieved, when the positioning plates 5 in the head positioning mechanism do not move to the proper position, and one end of the positioning ring 22 away from the tension spring 12 is propped against the upper end surface of the positioning bed 1, at the moment, the driving shaft 17 can be continuously rotated, the bidirectional threaded rod 7 is driven to rotate, and the positions of the positioning plates 5 in the head positioning mechanism are continuously adjusted, at this time, the rack 10 can continuously descend, and the position of the positioning ring 22 is kept unchanged under the stretching and expanding actions of the tension spring 12, so that the effect of rapidly and simultaneously positioning the head and the limbs of a patient is achieved, the positioning time is saved, and the positioning device is more convenient and faster than the traditional positioning mode.
The last points to be described are: first, in the description of the present application, it should be noted that, unless otherwise specified and defined, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be mechanical or electrical, or may be a direct connection between two elements, and "upper," "lower," "left," "right," etc. are merely used to indicate relative positional relationships, which may be changed when the absolute position of the object being described is changed;
Secondly: in the drawings of the disclosed embodiments, only the structures related to the embodiments of the present disclosure are referred to, and other structures can refer to the common design, so that the same embodiment and different embodiments of the present disclosure can be combined with each other under the condition of no conflict;
Finally: the foregoing description of the preferred embodiments of the utility model is not intended to limit the utility model to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and principles of the utility model are intended to be included within the scope of the utility model.
Claims (6)
1. Positioning device for tumor radiotherapy, including locating bed (1), its characterized in that: the utility model provides a headrest, headrest (2) are fixed connection to location bed (1) upper end, headrest (2) are elastic material, be provided with head positioning mechanism and four limbs positioning mechanism in location bed (1), head positioning mechanism is used for the location to the head, four limbs positioning mechanism is used for the location to four limbs, travel groove (3) are offered including location bed (1) up end to head positioning mechanism, sliding connection has guide block (4) in travel groove (3), guide block (4) upper end fixedly connected with locating plate (5), headrest (2) are located between locating plate (5).
2. The positioning device for tumor radiotherapy according to claim 1, wherein: the locating plate (5) is arc-shaped, and an elastic pad (6) is fixedly connected to the surface of the locating plate (5).
3. The positioning device for tumor radiotherapy according to claim 1, wherein: the positioning bed (1) is rotationally connected with a bidirectional threaded rod (7), and the bidirectional threaded rod (7) is in threaded connection with the guide block (4).
4. A positioning device for tumor radiotherapy according to claim 3, wherein: four limbs fixed establishment is including locating bed (1) upper end fixedly connected with correction piece (8), spout (9) have all been seted up to correction piece (8) and locating bed (1) up end, sliding connection has rack (10) in spout (9), extension spring groove (11) have been seted up to rack (10) up end, fixedly connected with extension spring (12) in extension spring groove (11), extension spring (12) upper end fixedly connected with holding ring (22), sliding connection between holding ring (22) and extension spring groove (11), holding ring (22) circumference fixedly connected with protective sheath (13).
5. The positioning device for tumor radiotherapy according to claim 4, wherein: the positioning bed (1) is rotationally connected with a transmission shaft (14), the circumferential surface of the transmission shaft (14) is fixedly connected with a gear (15), and the gear (15) is meshed with the rack (10).
6. The positioning device for tumor radiotherapy according to claim 5, wherein: fixedly connected with motor (16) in location bed (1), motor (16) output fixedly connected with drive shaft (17), rotate between drive shaft (17) and location bed (1) and be connected, first bevel gear (18) and second bevel gear (19) of drive shaft (17) circumference fixedly connected with, two-way threaded rod (7) circumference fixedly connected with third bevel gear (20), transmission shaft (14) circumference fixedly connected with fourth bevel gear (21), first bevel gear (18) and fourth bevel gear (21) meshing, second bevel gear (19) and third bevel gear (20) meshing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320777760.8U CN220801717U (en) | 2023-04-10 | 2023-04-10 | Positioner for tumor radiotherapy |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320777760.8U CN220801717U (en) | 2023-04-10 | 2023-04-10 | Positioner for tumor radiotherapy |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220801717U true CN220801717U (en) | 2024-04-19 |
Family
ID=90674123
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320777760.8U Active CN220801717U (en) | 2023-04-10 | 2023-04-10 | Positioner for tumor radiotherapy |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220801717U (en) |
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2023
- 2023-04-10 CN CN202320777760.8U patent/CN220801717U/en active Active
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