CN223453616U - Fixer for head and neck tumor radiotherapy - Google Patents
Fixer for head and neck tumor radiotherapyInfo
- Publication number
- CN223453616U CN223453616U CN202422423445.2U CN202422423445U CN223453616U CN 223453616 U CN223453616 U CN 223453616U CN 202422423445 U CN202422423445 U CN 202422423445U CN 223453616 U CN223453616 U CN 223453616U
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- plate
- head
- neck
- threaded rod
- sliding groove
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Abstract
本实用新型公开了一种用于头颈部肿瘤放疗的固定器，涉及医疗器械技术领域，包括底板，底板的上部对称固定连接有承重柱，承重柱的内侧活动连接有移动板，移动板上设置有肩部固定组件，底板靠近承重柱的一侧固定连接有承重块，承重块上设置有头部固定组件，承重柱靠近承重块的一侧固定连接有固定块，固定块上设置有颈部固定组件，颈部固定组件包括有弹簧和弓形板，通过设置肩部固定组件，通过精确贴合患者肩部轮廓，有效限制了放疗过程中的微小位移，通过设置头部固定组件，能够精确地将患者的头部固定在预定位置，通过设置颈部固定组件，能够个性化适配患者的颈部轮廓。
The utility model discloses a fixator for radiotherapy of head and neck tumors, which relates to the technical field of medical devices, including a base plate, the upper part of the base plate is symmetrically fixedly connected with a load-bearing column, the inner side of the load-bearing column is movably connected with a movable plate, a shoulder fixing component is arranged on the movable plate, a side of the base plate close to the load-bearing column is fixedly connected with a load-bearing block, a head fixing component is arranged on the load-bearing block, a side of the load-bearing column close to the load-bearing block is fixedly connected with a fixed block, a neck fixing component is arranged on the fixed block, the neck fixing component includes a spring and a bow plate, by arranging the shoulder fixing component, by accurately fitting the patient's shoulder contour, effectively limiting slight displacement during radiotherapy, by arranging the head fixing component, the patient's head can be accurately fixed in a predetermined position, and by arranging the neck fixing component, the patient's neck contour can be personalized adapted.
Description
Technical Field
The utility model relates to the technical field of medical appliances, in particular to a fixer for radiotherapy of head and neck tumors.
Background
At present, the head and neck radiotherapy body position is fixed mainly by adopting a mode that a head and neck fixing frame is combined with a head and neck positioning film, the mode usually needs to use a standard head positioning plate to support the hindbrain part of a patient, the head and neck area is formed by combining a rigid part and a movable part, a movable mandible is attached to the skull of the rigid structure, and the horizontal positions of the cervical vertebra and the upper thoracic vertebra are maintained by flexible ligament connection.
Through searching, the utility model patent with the Chinese patent number of CN221601093U discloses a head and neck fixator;
Compared with the prior art, the utility model patent with the Chinese patent number of CN221601093U sets up the neck locating plate, and when the patient lies on the bottom plate upper surface, the neck locating plate not only can support patient's neck, and then has compensated the gap between patient's cervical vertebra and the neck locating plate, and the neck locating plate of arc curved surface structure is identical with patient's cervical vertebra profile moreover, and the comfort level of patient's cervical vertebra department can be improved to such setting, can improve patient's cervical vertebra and the laminating degree of neck locating plate on the one hand, and then lets patient's head keep better stability.
However, in the actual use process of the device, when the head and neck of a patient are fixed, the device is not easy to fix according to different patient groups, and when the device is fixed, the cervical vertebra profile of the patient is anastomosed with the cervical vertebra of the patient through the neck locating plate with an arc-shaped curved surface structure, and the head, the neck and the shoulders are not easy to fix in multiple directions, so that the fixer for head and neck tumor radiotherapy needs to be provided.
Disclosure of utility model
The utility model aims to solve the defects that the fixing is not easy to be carried out according to different patient groups and the fixing of the head and the neck is not easy to be carried out in multiple directions in the prior art, and provides a fixer for the radiotherapy of the tumor of the head and the neck.
In order to achieve the above purpose, the present utility model adopts the following technical scheme:
the utility model provides a fixer for head neck tumour radiotherapy, includes the bottom plate, the upper portion symmetry fixedly connected with spandrel post of bottom plate, the inboard swing joint of spandrel post has the movable plate, be provided with shoulder fixed subassembly on the movable plate, shoulder extrusion fixed subassembly is including second threaded rod and first stripper plate, one side fixedly connected with spandrel block that the bottom plate is close to spandrel post, be provided with head fixed subassembly on the spandrel block, head fixed subassembly is including second stripper plate and flexible bandage, one side fixedly connected with fixed block that the spandrel post is close to spandrel block, be provided with neck fixed subassembly on the fixed block, neck fixed subassembly is including spring and arcuate board, through setting up shoulder fixed subassembly, through accurate laminating patient shoulder profile, effectively restricted the tiny displacement in the radiotherapy process to the high accuracy of treatment has been ensured.
The technical scheme further comprises the following steps:
The inside of spandrel post has seted up first sliding tray, one side swing joint that the bottom plate is close to spandrel post has first threaded rod, swing joint between one side that the bottom plate was kept away from to first threaded rod and spandrel post, threaded connection between first threaded rod and the movable plate, the size of first sliding tray and the size looks adaptation of movable plate.
The second sliding groove is formed in one side, far away from the bottom plate, of the movable plate, the inner side of the second sliding groove is movably connected with the second threaded rod, the second threaded rod is connected with the first extrusion plate in a threaded mode, and the size of the second sliding groove is matched with the size of the first extrusion plate.
And a third sliding groove is formed in one side, close to the bearing column, of the bearing block, and a bidirectional threaded rod is movably connected to the inner side of the third sliding groove.
The two-way threaded rod is in threaded connection with the second extrusion plate, the number of the second extrusion plates is two, the size of the third sliding groove is matched with the size of the second extrusion plate, the head of a patient can be accurately fixed at a preset position, and the radiation source can be accurately irradiated to a tumor area in the radiotherapy process.
The inside of the second extrusion plate is provided with a through hole, and the inner side of the through hole is movably connected with the flexible bandage.
The inside slip of fixed block is provided with the slide bar, the one end that the slide bar is close to the second stripper plate and fixed connection between the arcuate plate.
One side of the fixed block, which is close to the cambered plate, is fixedly connected with the spring, and one end of the spring, which is far away from the fixed block, is fixedly connected with the cambered plate.
The utility model has the following beneficial effects:
1. according to the utility model, by arranging the shoulder fixing assembly and precisely fitting the shoulder outline of the patient, the tiny displacement in the radiotherapy process is effectively limited, the positioning error caused by the involuntary movement of the patient is reduced, and the accidental injury of the radioactive rays to surrounding normal tissues possibly caused by the movement of the shoulder is avoided.
2. According to the utility model, the head fixing assembly is arranged, so that the head of a patient can be accurately fixed at a preset position, and the radiation source can be ensured to accurately irradiate a tumor area in the radiotherapy process, thereby improving the treatment accuracy and effect.
3. According to the utility model, the neck fixing component is arranged, so that the neck outline of a patient can be individually adapted, the tiny movement in the treatment process is effectively reduced, the accurate focusing of the radioactive rays on the tumor area is ensured, and meanwhile, the surrounding normal tissues are furthest protected from unnecessary radiation damage.
Drawings
Fig. 1 is a schematic view of a first overall structure of a head and neck fixator according to the present utility model;
FIG. 2 is a schematic view showing a second overall structure of a head and neck fixator according to the present utility model;
FIG. 3 is an enlarged schematic view of the structure A in FIG. 1;
fig. 4 is an enlarged schematic view of the structure at B in fig. 1.
The device comprises a base plate, a bearing column, a first sliding groove, a first threaded rod, a moving plate, a second sliding groove, a second threaded rod, a first extruding plate, a bearing block, a third sliding groove, a bidirectional threaded rod, a second extruding plate, a through hole, a flexible bandage, a fixed block, a sliding rod, a spring, a cambered plate and a cambered plate, wherein the first sliding groove, the second sliding groove, the first threaded rod, the second threaded rod, the moving plate, the second sliding groove, the second threaded rod, the first extruding plate, the second extruding plate, the bearing block, the third sliding groove, the bidirectional threaded rod, the second extruding plate, the through hole, the flexible bandage, the fixed block, the sliding rod, the spring, the cambered plate and the cambered plate.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. 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.
Example 1
As shown in fig. 1-4, the fixer for head and neck tumor radiotherapy provided by the utility model comprises a bottom plate 1, wherein a bearing post 2 is symmetrically and fixedly connected to the upper part of the bottom plate 1, a movable plate 5 is movably connected to the inner side of the bearing post 2, a shoulder fixing component is arranged on the movable plate 5, the shoulder pressing fixing component comprises a second threaded rod 7 and a first pressing plate 8, a bearing block 9 is fixedly connected to one side of the bottom plate 1, which is close to the bearing post 2, a head fixing component is arranged on the bearing block 9, the head fixing component comprises a second pressing plate 12 and a flexible bandage 14, a fixing block 15 is fixedly connected to one side, which is close to the bearing block 9, of the bearing post 2, a neck fixing component is arranged on the fixing block 15, and the neck fixing component comprises a spring 17 and a cambered plate 18;
The inner side of the bearing column 2 is provided with a first sliding groove 3, one side of the bottom plate 1, which is close to the bearing column 2, is movably connected with a first threaded rod 4, one side of the first threaded rod 4, which is far away from the bottom plate 1, is movably connected with the bearing column 2, the first threaded rod 4 is in threaded connection with a movable plate 5, and the size of the first sliding groove 3 is matched with the size of the movable plate 5;
The side of the movable plate 5 far away from the bottom plate 1 is provided with a second sliding groove 6, the inner side of the second sliding groove 6 is movably connected with a second threaded rod 7, the second threaded rod 7 is in threaded connection with a first extrusion plate 8, and the size of the second sliding groove 6 is matched with the size of the first extrusion plate 8;
A third sliding groove 10 is formed in one side, close to the bearing column 2, of the bearing block 9, and a bidirectional threaded rod 11 is movably connected to the inner side of the third sliding groove 10;
The two-way threaded rod 11 is in threaded connection with the second extrusion plates 12, the number of the second extrusion plates 12 is two, and the size of the third sliding groove 10 is matched with the size of the second extrusion plates 12;
The second extrusion plate 12 is provided with a through hole 13, and the inner side of the through hole 13 is movably connected with the flexible bandage 14.
In this embodiment, the shoulder and the head of the patient can be fixed by rotating the first threaded rod 4 and the bidirectional threaded rod 11, and in a specific embodiment, by rotating the first threaded rod 4, the first threaded rod 4 drives the moving plate 5 to move back and forth in the vertical direction, the back and forth movement of the moving plate 5 can realize the up and down movement of the first extrusion plate 8, the extrusion fixation of the shoulder of the patient can be realized through the first extrusion plate 8, and by rotating the second threaded rod 7, the back and forth movement of the first extrusion plate 8 in the horizontal direction can be driven while the second threaded rod 7 rotates, and the back and forth movement of the first extrusion plate 8 can be regulated, so that the device can adapt to different patients;
Through rotating bi-directional threaded rod 11, because of bi-directional threaded rod 11 and two second stripper plates 12 threaded connection, when rotating bi-directional threaded rod 11, can drive two second stripper plates 12 and remove in opposite directions, can fix patient's head when two second stripper plates 12 remove, through-hole 13 has been seted up to the inside of second stripper plate 12, through-hole 13's effect is for can making patient's ear pass through-hole 13 to avoid the extrusion to the ear, through-hole 13's inboard swing joint flexible bandage 14, flexible bandage 14 is fixed again to patient's forehead position, and flexible bandage 14's effect is further fixed patient's head.
Example two
As shown in fig. 1 to 4, based on the first embodiment, a sliding rod 16 is slidably disposed in the fixed block 15, and one end of the sliding rod 16, which is close to the second extrusion plate 12, is fixedly connected with the arcuate plate 18;
one side of the fixed block 15 close to the cambered plate 18 is fixedly connected with the spring 17, and one end of the spring 17 far away from the fixed block 15 is fixedly connected with the cambered plate 18.
In this embodiment, through the extrusion to the arcuate plate 18 can realize the auxiliary fixation to patient's neck, when patient's head contacted the bottom plate 1, the neck can extrude arcuate plate 18, because arcuate plate 18 fixedly connected with slide bar 16 and spring 17, spring 17's effect is for rebounding to arcuate plate 18 to further realize the auxiliary fixation to the head, sliding connection between spring 17 and the fixed block 15, spring 17 can slide in the fixed block 15 inboard, thereby can assist arcuate plate 18 to the extrusion of neck.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. The utility model provides a fixer for head and neck tumour radiotherapy, includes bottom plate (1), its characterized in that, upper portion symmetry fixedly connected with spandrel post (2) of bottom plate (1), inboard swing joint of spandrel post (2) has movable plate (5), be provided with shoulder fixed subassembly on movable plate (5), shoulder extrusion fixed subassembly is including second threaded rod (7) and first stripper plate (8), one side fixedly connected with spandrel post (9) that bottom plate (1) is close to spandrel post (2), be provided with head fixed subassembly on spandrel post (9), head fixed subassembly is including second stripper plate (12) and flexible bandage (14), one side fixedly connected with fixed block (15) that spandrel post (2) are close to spandrel post (9), be provided with neck fixed subassembly on fixed block (15), neck fixed subassembly is including spring (17) and bow plate (18).
2. The fixer for head and neck tumor radiotherapy according to claim 1, wherein a first sliding groove (3) is formed in the inner side of the bearing column (2), a first threaded rod (4) is movably connected to one side, close to the bearing column (2), of the bottom plate (1), the first threaded rod (4) is movably connected between one side, far away from the bottom plate (1), and the bearing column (2), the first threaded rod (4) is in threaded connection with the moving plate (5), and the size of the first sliding groove (3) is matched with the size of the moving plate (5).
3. The fixer for head and neck tumor radiotherapy according to claim 2, wherein a second sliding groove (6) is formed in one side, far away from the bottom plate (1), of the moving plate (5), the inner side of the second sliding groove (6) is movably connected with a second threaded rod (7), the second threaded rod (7) is in threaded connection with a first extrusion plate (8), and the size of the second sliding groove (6) is matched with that of the first extrusion plate (8).
4. The fixer for head and neck tumor radiotherapy according to claim 1, characterized in that a third sliding groove (10) is formed on one side of the bearing block (9) close to the bearing column (2), and a bidirectional threaded rod (11) is movably connected to the inner side of the third sliding groove (10).
5. The fixator for head and neck tumor radiotherapy according to claim 4, wherein the two-way threaded rod (11) is in threaded connection with the second extrusion plates (12), the number of the second extrusion plates (12) is two, and the size of the third sliding groove (10) is matched with the size of the second extrusion plates (12).
6. The fixer for head and neck tumor radiotherapy according to claim 5, characterized in that the second extrusion plate (12) is internally provided with a through hole (13), and the inner side of the through hole (13) is movably connected with the flexible bandage (14).
7. A holder for radiation therapy of head and neck tumors according to claim 1, characterized in that the inside of the fixed block (15) is slidably provided with a sliding rod (16), and one end of the sliding rod (16) close to the second extrusion plate (12) is fixedly connected with the arched plate (18).
8. A fixator for radiotherapy of head and neck tumors according to claim 7 characterized in that the side of the fixing block (15) close to the arched plate (18) is fixedly connected with the spring (17), and the end of the spring (17) far from the fixing block (15) is fixedly connected with the arched plate (18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202422423445.2U CN223453616U (en) | 2024-10-09 | 2024-10-09 | Fixer for head and neck tumor radiotherapy |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202422423445.2U CN223453616U (en) | 2024-10-09 | 2024-10-09 | Fixer for head and neck tumor radiotherapy |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN223453616U true CN223453616U (en) | 2025-10-21 |
Family
ID=97361468
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202422423445.2U Active CN223453616U (en) | 2024-10-09 | 2024-10-09 | Fixer for head and neck tumor radiotherapy |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN223453616U (en) |
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2024
- 2024-10-09 CN CN202422423445.2U patent/CN223453616U/en active Active
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