Auxiliary fixing device for precise radiotherapy of upper limbs
By combining a carbon fiber base plate, support blocks, and rotating components with memory foam and angle scales, the comfort and adjustability issues of upper limb fixation devices have been resolved, enabling personalized customization and precise repeatability of accurate radiotherapy and improving treatment outcomes.
Patent Information
- Application Number
- CN202422861645.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-22
- Publication Date
- 2025-12-09
- Estimated Expiration
- 2034-11-22
AI Technical Summary
Existing upper limb fixation devices are uncomfortable, cannot be adjusted or precisely repeated, and affect treatment accuracy and effectiveness.
The base plate, support blocks, and rotating components are made of carbon fiber, combined with memory foam and angle scales to achieve personalized customization, fixation, and precise adjustment. The design of the rotating rod and connecting rod provides support and angle adjustment.
It improves patient comfort and treatment precision, ensures personalized fixation and precise repeatability for cancer patients, and enhances the accuracy and repeatability of treatment.
Smart Images

Figure CN223641188U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to medical technology field more particularly, relate to a kind of upper limb precision radiotherapy auxiliary fixing device. BACKGROUND
[0002] Cyberknife is a high-precision equipment for precise radiotherapy, and body position fixation is an important part of ensuring treatment accuracy. Especially for patients with metastasis, including patients with upper limb metastasis, the patient's upper limb needs to be fixed during treatment. For patients with upper limb metastasis, accurate treatment requires not only good fixation but also repeatable adjustment. This ensures accurate repetition and accurate treatment during precise treatment tracking.
[0003] However, the current clinical application of upper limb position fixation device is all vacuum pad, mostly granular foam material, which affects the comfort of patients. Moreover, the existing upper limb position fixation device cannot achieve adjustment, and cannot achieve accurate adjustment and precise repetition, making it difficult to ensure treatment accuracy and effectiveness.
[0004] Therefore, how to provide an upper limb precision radiotherapy auxiliary fixing device has become a technical problem to be solved in the field. SUMMARY
[0005] An object of the present utility model is to provide a new technical solution for an upper limb precision radiotherapy auxiliary fixing device.
[0006] According to the first aspect of the present utility model, an upper limb precision radiotherapy auxiliary fixing device is provided, comprising: a bottom plate, a support block and a rotating assembly.
[0007] The bottom plate is connected to the support block, and the top of the support block is provided with an inwardly recessed arc-shaped groove, and the arc-shaped groove is provided with memory foam.
[0008] The rotating assembly includes a connecting rod and a rotating rod. The first end of the connecting rod penetrates the bottom plate and is rotatably connected to the bottom plate. The second end of the connecting rod is located outside the bottom plate, and the rotating rod is connected to the second end of the connecting rod.
[0009] Optionally, the bottom plate, the support block, the connecting rod and the rotating rod are all made of carbon fiber material.
[0010] Optionally, the side wall of the support block is provided with an angle scale, and the angle scale is arranged opposite to the rotating rod.
[0011] Optionally, the bottom plate is provided with a mounting hole, the mounting hole penetrates the bottom plate along the length direction of the bottom plate, and the connecting rod is arranged in the mounting hole.
[0012] Optionally, an inner thread is arranged in the mounting hole, and a first outer thread corresponding to the inner thread is arranged on the outer peripheral wall of the connecting rod, and the connecting rod is connected with the mounting hole through the first outer thread and the inner thread.
[0013] Optionally, the arc length of the arc-shaped groove is at least one third of the circumference.
[0014] Optionally, a second outer thread is arranged on the outer peripheral wall of the rotating rod.
[0015] The second end of the connecting rod is provided with a threaded hole, and the rotating rod is connected with the threaded hole through the second outer thread.
[0016] The utility model discloses the beneficial effect lies in:
[0017] The utility model discloses a bottom plate is connected with the support block, sets up the arc -shaped groove of recessing inwards on the top of support block to set up the memory cotton in arc -shaped groove, and the arm of patient upper limbs can place on memory cotton, and the comfort degree of patient is improved through memory cotton, make the first end of connecting rod through the bottom plate, and with bottom plate swing joint, and the second end of connecting rod is located the outside of bottom plate, and the second end of connecting rod is connected with rotating rod.
[0018] Other features of the utility model and its advantages will become clear from the following detailed description of exemplary embodiments of the utility model with reference to the accompanying drawings. BRIEF DESCRIPTION OF DRAWINGS
[0019] The accompanying drawings incorporated in and forming a part of the specification illustrate embodiments of the utility model and, together with the description, serve to explain the principles of the utility model.
[0020] Figure 1 It is the structure diagram of upper limb precise radiotherapy auxiliary fixing device of the utility model.
[0021] The following signs are shown in the drawing: 1, bottom plate, 11, mounting hole, 2, support block, 21, arc-shaped groove, 3, rotating assembly, 31, connecting rod, 32, rotating rod, 33, threaded hole, 4, memory cotton, 5, angle scale. DETAILED DESCRIPTION
[0022] Various exemplary embodiments of the present application will now be described in detail with reference to the drawings. Note that the relative arrangement of the components and steps illustrated in these embodiments, numerical expressions, and numerical values are merely examples for the purpose of illustrating the present application and do not limit the scope of the application unless specifically stated otherwise.
[0023] The following description of at least one exemplary embodiment is merely exemplary in nature and is in no way intended to limit the scope of the application its application or uses.
[0024] Techniques, methods, and devices known to those of ordinary skill in the relevant art can not be discussed in detail herein. However, where appropriate, such techniques, methods, and devices can be considered part of the description of the present application.
[0025] In all of the examples shown and discussed herein, any specific values should be interpreted as merely exemplary and not limiting. Thus, other examples of the exemplary embodiments can have different values.
[0026] As Figure 1 shown, the embodiment of the present application provides an upper limb precise radiotherapy auxiliary fixing device, which comprises a bottom plate 1, a supporting block 2 and a rotating assembly 3.
[0027] The bottom plate 1 is connected with the supporting block 2, and the top of the supporting block 2 is provided with an inwardly recessed arc-shaped groove 21, and a memory cotton 4 is arranged in the arc-shaped groove 21. Specifically, the memory cotton 4 can be pasted in the arc-shaped groove 21 by glue. Specifically, the bottom plate 1 and the supporting block 2 are integrally formed.
[0028] The rotating assembly 3 comprises a connecting rod 31 and a rotating rod 32, the first end of the connecting rod 31 penetrates through the bottom plate 1 and is rotatably connected with the bottom plate 1, and the second end of the connecting rod 31 is located outside the bottom plate 1, and the rotating rod 32 is connected with the second end of the connecting rod 31.
[0029] In use, the arm of the patient's upper limb can act on the rotating rod 32, thereby providing support to the arm of the patient's upper limb, and by adjusting the angle of the rotating rod 32 when treating the patient, both the individualized customization of the fixing for the tumor patient and the precision of the fixing are ensured, thereby providing more accurate body position fixing for precise treatment.
[0030] The utility model discloses a bottom plate 1 is connected with support block 2, sets up the arc -shaped recess 21 of inwards recess in the top of support block 2, and sets up memory cotton 4 in arc -shaped recess 21, and the arm of patient upper limbs can be placed on memory cotton 4, and the comfort of patient is improved through memory cotton 4;The first end of connecting rod 31 is penetrated through bottom plate 1, and is rotationally connected with bottom plate 1, and the second end of connecting rod 31 is located outside bottom plate 1, and rotating rod 32 is connected with the second end of connecting rod 31.
[0031] In an embodiment of the upper limb precise radiotherapy auxiliary fixing device, the bottom plate 1, the support block 2, the connecting rod 31 and the rotating rod 32 are all made of carbon fiber material.
[0032] In the utility model, the bottom plate 1, the support block 2, the connecting rod 31 and the rotating rod 32 are all made of carbon fiber material, so that the upper limb precise radiotherapy auxiliary fixing device has the advantages of good corrosion resistance, high strength, light weight and the like, and the service life is improved.
[0033] In an embodiment of the upper limb precise radiotherapy auxiliary fixing device, in order to improve the accuracy of the rotation of the rotating rod 32, an angle scale 5 is arranged on the side wall of the support block 2, and the angle scale 5 is arranged opposite to the rotating rod 32.
[0034] It should be noted that, since the treatment of the patient may not be the same every day, the side wall angle scale 5 of the support block 2 can also mark the treatment of the patient, further improving the accuracy and precise repeatability of the treatment.
[0035] In an embodiment of the upper limb precise radiotherapy auxiliary fixing device, an installation hole 11 is arranged on the bottom plate 1, the installation hole 11 penetrates the bottom plate 1 along the length direction of the bottom plate 1, and the connecting rod 31 is arranged in the installation hole 11.
[0036] In the utility model, the installation hole 11 penetrates the bottom plate 1 along the length direction of the bottom plate 1, and the connecting rod 31 is arranged in the installation hole 11, and the connecting rod 31 is rotationally connected with the installation hole 11, so that the rotating rod 32 drives the connecting rod 31 to rotate in the installation hole 11 when rotating, effectively ensuring the stability of the rotating rod 32 when working.
[0037] In one embodiment of the upper limb precise radiotherapy auxiliary fixing device, an inner thread is arranged in the mounting hole 11, a first outer thread corresponding to the inner thread is arranged on the outer peripheral wall of the connecting rod 31, and the connecting rod 31 is connected with the inner thread of the mounting hole 11 through the first outer thread.
[0038] The inner thread is arranged in the mounting hole 11, the first outer thread corresponding to the inner thread is arranged on the outer peripheral wall of the connecting rod 31, the connecting rod 31 is connected with the inner thread of the mounting hole 11 through the first outer thread, and therefore the stability of the connection between the connecting rod 31 and the mounting hole 11 is ensured.
[0039] In one embodiment of the upper limb precise radiotherapy auxiliary fixing device, in order to improve the comfort of placing the arm of the upper limb of the patient in the arc-shaped groove 21, the arc length of the arc-shaped groove 21 is at least one third of the circumference.
[0040] In one embodiment of the upper limb precise radiotherapy auxiliary fixing device, a second outer thread is arranged on the outer peripheral wall of the rotating rod 32.
[0041] The second end of the connecting rod 31 is provided with a threaded hole 33, and the rotating rod 32 is connected with the threaded hole 33 through the second outer thread.
[0042] The second end of the connecting rod 31 is provided with a threaded hole 33, and the rotating rod 32 is connected with the threaded hole 33 through the second outer thread.
[0043] Although some specific embodiments of the utility model have been described in detail through examples, those skilled in the art should understand that the above examples are only for illustration, and are not intended to limit the scope of the utility model. Those skilled in the art should understand that the above embodiments can be modified without departing from the scope and spirit of the utility model. The scope of the utility model is defined by the appended claims.
Claims
1. An upper limb precision radiotherapy auxiliary fixing device, characterized in that, Include: The bottom plate, support block and rotating assembly; The bottom plate is connected with the support block, the top of the support block is provided with an inwardly recessed arc-shaped groove, and the arc-shaped groove is provided with memory foam; The rotating assembly includes a connecting rod and a rotating rod, the first end of the connecting rod penetrates the bottom plate and is rotationally connected with the bottom plate, the second end of the connecting rod is located outside the bottom plate, and the rotating rod is connected with the second end of the connecting rod.
2. The upper limb precision radiotherapy auxiliary fixing device according to claim 1, characterized in that, The bottom plate, the support block, the connecting rod and the rotating rod are all made of carbon fiber material.
3. The upper limb precision radiotherapy auxiliary fixing device according to claim 1, characterized in that, The side wall of the support block is provided with an angle scale, and the angle scale is arranged opposite to the rotating rod.
4. The upper limb precision radiotherapy auxiliary fixing device according to claim 1, characterized in that, The bottom plate is provided with a mounting hole penetrating the bottom plate along the length direction of the bottom plate, and the connecting rod is arranged in the mounting hole.
5. The upper limb precision radiotherapy auxiliary fixing device according to claim 4, characterized in that, The mounting hole is provided with an internal thread, and the outer peripheral wall of the connecting rod is provided with a first external thread corresponding to the internal thread, and the connecting rod is connected with the internal thread of the mounting hole through the first external thread.
6. The upper limb precision radiotherapy auxiliary fixing device according to claim 1, characterized in that, The arc length of the arc-shaped groove is at least one third of the circumference.
7. The upper limb precision radiotherapy auxiliary fixing device according to claim 1, characterized in that, The outer peripheral wall of the rotating rod is provided with a second external thread; The second end of the connecting rod is provided with a threaded hole, and the rotating rod is connected with the threaded hole through the second external thread.