Fixing structure and radiotherapy fixing device
By combining the design of knobs and positioning structures, the problem of easy membrane separation is solved, achieving stable fixation of the membrane and convenient operation, thereby improving the stability and therapeutic effect of the fixation device in radiotherapy.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- KLARITY MEDICAL & EQUIP GZ
- Filing Date
- 2025-05-19
- Publication Date
- 2026-05-12
AI Technical Summary
In existing radiotherapy fixation devices, the membrane is prone to separation from the fixation structure, especially during treatment of the chest and abdomen, where tension caused by respiratory fluctuations affects fixation stability and treatment efficacy.
The design employs a combination of knobs and positioning structures. The diaphragm is clamped and fixed by rotating the knobs, and the positioning grooves and positioning blocks work together to ensure that the diaphragm does not easily separate when the chest and abdomen rise and fall. The position can be adjusted on the base by sliding mating parts.
This method ensures that the membrane does not easily separate from the fixation structure during treatment, facilitates operation, reduces the impact on the incident angle of radiation, and improves fixation stability and treatment efficacy.
Smart Images
Figure CN224220604U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the technical field of radiotherapy devices, and more specifically, to a fixation structure and a radiotherapy fixation device. Background Technology
[0002] During radiotherapy, patients typically lie on a specific base, and a positioning diaphragm is used to fix the patient's position on the base. An image scan of the patient's position is then taken before treatment. However, due to differences in patient body shape and treatment sites, the diaphragm's position on the base often needs to be adjusted. This adjustment usually requires repeated clamping of the diaphragm, which can easily damage it.
[0003] Existing technologies separate the diaphragm fixation structure from the base fixation structure. The diaphragm fixation structure often uses a snap-on type, among which the direct-insertion snap-on structure is the most convenient to operate. When treating chest and abdominal diseases, breathing causes the chest and abdomen to rise and fall, which generates great tension on the diaphragm. The snap-on structure is easily broken, thus affecting the stability of fixation and the therapeutic effect. Utility Model Content
[0004] The purpose of this invention is to overcome the shortcomings of existing technologies where the membrane is easily separated from the fixation structure during treatment, and to provide a fixation structure and radiotherapy fixation device in which the membrane is not easily separated from the fixation structure during treatment.
[0005] To solve the above-mentioned technical problems, the technical solution adopted by this utility model is as follows:
[0006] A fixing structure is provided, including a fixing base and a knob. The fixing base has a first mounting platform and a second mounting platform for placing the object to be installed. The first mounting platform is higher than the second mounting platform. The knob is rotatably mounted on the first mounting platform. A positioning structure for fixing the object to be installed is provided between the knob and the second mounting platform.
[0007] The fixing structure of this utility model, when fixing the object, uses a fixing seat to fix the entire fixing structure to the base. The knob is initially located on the first mounting platform. After the object is placed on the second mounting platform, rotating the knob above the object clamps and fixes it in place. At the same time, the positioning structure also fixes the object. Fixing the object by rotating the knob prevents it from moving up and down when the chest and abdomen rise and fall, thus making it less likely to separate from the fixing structure during treatment. The fixing of the object can also be released by rotating the knob, making the operation convenient.
[0008] Furthermore, the positioning structure includes a first positioning member and a second positioning member for cooperating with the first positioning member. The first positioning member is disposed on the knob, and the second positioning member is disposed on the second mounting platform. After the object to be installed is placed on the second mounting platform, the knob is rotated to allow the first positioning member to cooperate with the second positioning member, thereby fixing the object to be installed.
[0009] Furthermore, the first positioning element includes a positioning block disposed on the knob, and the second positioning element includes a positioning groove for cooperating with the positioning block, the positioning groove being disposed on the second mounting platform. When the object to be mounted is placed on the second mounting platform, the hole on the object is aligned with the positioning groove, and the knob is rotated to insert the positioning block into the positioning groove. The positioning block also passes through the hole on the object, thus securing the object while facilitating its positioning.
[0010] Furthermore, the first positioning element also includes an elastic element. The knob has a sliding groove, and the positioning block is slidably connected to the sliding groove. Both ends of the elastic element are connected to the knob and the positioning block, respectively. When removing the object, rotating the knob compresses the elastic element, causing the positioning block to slide into the sliding groove, facilitating the separation of the positioning block from the positioning groove and thus avoiding damage to the object.
[0011] Furthermore, the second positioning component also includes a positioning post, which comprises an abutment portion and an insertion portion connected in sequence. The outer diameter of the abutment portion is larger than the outer diameter of the insertion portion. The second mounting platform is provided with a positioning hole that mates with the insertion portion, and the positioning groove is provided on the positioning post. After placing the object to be installed on the second mounting platform, align the hole of the object with the positioning hole, insert the positioning post into the positioning hole, and abut the abutment portion against the object to initially position and fix the object. At the same time, fix the relative position of the positioning groove and the positioning block. Then, rotate the knob to allow the positioning block on the knob to smoothly insert into the positioning groove, thus stably fixing the object. By setting the positioning groove on the positioning post and fixing the relative position of the positioning groove and the positioning block, it is easy for the positioning block to smoothly insert into the positioning groove when rotating the knob. At the same time, the double fixing by the positioning post and the knob not only achieves stable fixing of the object, but also prevents the object from shifting when rotating the knob.
[0012] Furthermore, the knob includes a handle and a rotating part, the rotating part being disposed on the handle and rotatably connected to the first mounting platform, and the positioning structure being disposed between the handle and the second mounting platform. When the knob is rotated, the hand grips the handle, causing the rotating part to rotate within the first mounting platform.
[0013] Furthermore, the positioning structure is provided in two sets, which are symmetrically arranged between the handheld part and the second mounting platform about the rotating part. By providing two sets of positioning structures, the object can be fixed by rotating the knob from two directions.
[0014] This utility model also provides a radiotherapy fixation device, including a base, a side strip, and the fixation structure described above; the fixation base is connected to the base, the side strip is placed on the second mounting platform, the side strip is located between the second mounting platform and the knob, and the positioning structure is located between the second mounting platform and the side strip.
[0015] This utility model discloses a radiotherapy fixation device in which a diaphragm is fixedly connected to an edge strip. The edge strip is placed on a second mounting platform, and by rotating a knob, the edge strip is positioned between the second mounting platform and the knob. Simultaneously, a positioning structure is located between the second mounting platform and the edge strip to stably fix it. This prevents the edge strip from separating from the base during treatment, and the overall space required for the fixation structure is relatively small, minimizing the impact on the incident angle of the radiation during treatment.
[0016] Furthermore, the base is provided with a sliding engagement component, and the fixed seat is slidably connected to the sliding engagement component. When adjusting the position of the fixing structure, the fixed seat slides on the sliding engagement component, which guides the movement of the fixing structure, and a set of fixing structures can be used to fix the diaphragm at different positions on the base.
[0017] Furthermore, the fixing base includes a locking structure, and the base is detachably connected to the locking structure. After the fixing base is moved to the desired position, the locking structure securely connects the fixing base to the base.
[0018] Compared with the prior art, the beneficial effects of this utility model are:
[0019] 1. The present invention provides a fixing structure that fixes the installed object by rotating a knob, preventing the installed object from moving up and down when the chest and abdomen rise and fall, thus making it difficult for the membrane to separate from the fixing structure during treatment; the fixing of the installed object can also be released by rotating the knob, making the operation convenient.
[0020] 2. A fixing structure of this utility model, by setting the positioning groove on the positioning post, makes the position of the positioning groove and the positioning block relatively fixed, so that the positioning block can be smoothly inserted into the positioning groove when the knob is turned.
[0021] 3. The radiotherapy fixation device of this utility model, by setting a sliding fitting on the base, facilitates the sliding adjustment of the fixation structure on the base, thereby using a set of fixation structures to fix the diaphragm at different positions on the base. Attached Figure Description
[0022] Figure 1 This is a schematic diagram of the fixed structure in Embodiment 1;
[0023] Figure 2 This is a schematic diagram of the fixed structure in Embodiment 2;
[0024] Figure 3 This is a schematic diagram of the edge strip being installed on a fixed structure;
[0025] Figure 4 This is a schematic diagram of the knob's structure;
[0026] Figure 5 This is a first-view structural diagram of a radiotherapy fixation device;
[0027] Figure 6 This is a schematic diagram of the structure of the cam abutting against the second clamping block;
[0028] Figure 7 This is a second-view structural diagram of a radiotherapy fixation device.
[0029] In the attached drawings: 100, fixed base; 110, mounting base; 111, first mounting platform; 112, second mounting platform; 112a, positioning hole; 120, first clamping block; 121, sliding member; 130, cam structure; 140, second clamping block; 141, snap-fit member; 200, knob; 210, handheld part; 211, slide groove; 220, rotating part; 300, positioning structure; 310, first positioning member; 311, positioning block; 312, elastic member; 320, second positioning member; 321, positioning groove; 322, positioning post; 400, base; 410, sliding fit member; 420, snap-fit member; 500, edge strip. Detailed Implementation
[0030] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only a part of the embodiments of the present utility model, and not all of them. The present utility model will be further described below with reference to specific embodiments. The accompanying drawings are only for illustrative purposes and represent only schematic diagrams, not actual pictures, and should not be construed as limiting the present patent. In order to better illustrate the embodiments of the present utility model, some parts in the drawings may be omitted, enlarged or reduced, and do not represent the actual product size. It is understandable to those skilled in the art that some well-known structures and their descriptions may be omitted in the drawings.
[0031] In the accompanying drawings of this utility model, the same or similar reference numerals correspond to the same or similar components. In the description of this utility model, it should be understood that if terms such as "upper," "lower," "left," and "right" indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, they are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, the terms describing positional relationships in the drawings are only for illustrative purposes and should not be construed as limiting this patent. Those skilled in the art can understand the specific meaning of the above terms according to the specific circumstances. Furthermore, if the embodiments of this utility model involve descriptions such as "first" and "second," these descriptions are only for descriptive purposes and should not be construed as indicating or implying their relative importance or implicitly specifying the number of indicated technical features. Thus, a feature defined with "first" and "second" may explicitly or implicitly include at least one of those features. In addition, the meaning of "and / or" in the text is that it includes three parallel options. Taking "A and / or B" as an example, it includes option A, option B, or an option that satisfies both A and B.
[0032] Example 1
[0033] This embodiment is the first embodiment of a fixed structure, such as... Figure 1 and Figure 3 As shown, the device includes a mounting base 100 and a knob 200. The mounting base 100 has a first mounting platform 111 and a second mounting platform 112 for placing the object to be mounted. The first mounting platform 111 is higher than the second mounting platform 112. The specific height can be set according to actual needs. In this embodiment, for example... Figure 6 As shown, when the lower surface of the edge strip 500 is placed on the second mounting platform 112, the upper surface of the edge strip 500 is flush with the first mounting platform 111. The knob 200 is rotatably mounted on the first mounting platform 111. By rotating the knob 200, the second mounting platform 112 can be exposed or partially covered. A positioning structure 300 for fixing the object to be installed is provided between the knob 200 and the second mounting platform 112.
[0034] like Figure 1 and Figure 3 As shown, the positioning structure 300 includes a first positioning member 310 and a second positioning member 320 for cooperating with the first positioning member 310. The first positioning member 310 is disposed on the knob 200, and the second positioning member 320 is disposed on the second mounting platform 112. After placing the object to be installed on the second mounting platform 112, the knob 200 is rotated to allow the first positioning member 310 to cooperate with the second positioning member 320, thereby fixing the object to be installed.
[0035] like Figure 3As shown, the first positioning element 310 includes a positioning block 311, which is located on the knob 200. The second positioning element 320 includes a positioning groove 321 for engaging with the positioning block 311, which is located on the second mounting platform 112. When the object to be mounted is placed on the second mounting platform 112, the hole on the object is aligned with the positioning groove 321. Rotating the knob 200 allows the positioning block 311 to be inserted into the positioning groove 321. The positioning block 311 also passes through the hole on the diaphragm, thus fixing the diaphragm while facilitating its positioning.
[0036] like Figure 3 As shown, the first positioning element 310 also includes an elastic element 312. The knob 200 has a groove 211, and the positioning block 311 is slidably connected to the groove 211. Both ends of the elastic element 312 are connected to the knob 200 and the positioning block 311, respectively. When removing the diaphragm, rotating the knob 200 compresses the elastic element 312, causing the positioning block 311 to slide into the groove 211, facilitating separation of the positioning block 311 from the positioning groove 321 and thus preventing damage to the installed object. In this embodiment, the positioning block 311 is a steel ball, and the elastic element 312 is a spring. Alternatively, the positioning block 311 and the elastic element 312 can be directly made of ball bolts.
[0037] like Figure 3 As shown, the knob 200 includes a handheld portion 210 and a rotating portion 220. The rotating portion 220 is disposed on the handheld portion 210 and is rotatably connected to the first mounting platform 111. The positioning structure 300 is disposed between the handheld portion 210 and the second mounting platform 112. When the knob 200 is rotated, the hand grips the handheld portion 210, causing the rotating portion 220 to rotate within the first mounting platform 111. The shape of the handheld portion 210 can be ergonomically designed.
[0038] like Figure 3 As shown, the positioning structure 300 has two sets, which are symmetrically arranged about the rotating part 220 between the handheld part 210 and the second mounting platform 112. By setting two sets of positioning structures 300, the object can be fixed by rotating the knob 200 from both directions.
[0039] The working principle of a fixed structure in this embodiment is as follows:
[0040] When fixing the device, the fixing structure is fixed to the base by the fixing seat 100. The knob 200 is initially positioned on the first mounting platform 111. After placing the device on the second mounting platform 112, align the hole on the device with the positioning groove 321. Rotate the knob 200 above the device. The knob 200 and the second mounting platform 112 clamp and fix the device. At the same time, the positioning block 311 is inserted into the positioning groove 321, quickly and easily locking and unlocking the device. The operation only requires rotation in one direction, preventing accidental operation and facilitating the fixing of the device. Fixing the device by rotating the knob 200 prevents it from moving up and down when the chest and abdomen rise and fall, thus preventing the device from easily separating from the fixing structure during treatment. The device can also be released by rotating the knob, making the operation convenient.
[0041] Example 2
[0042] This embodiment is a second embodiment of a fixed structure. This embodiment is similar to the first embodiment, except that, as shown in the example... Figure 2 and Figure 3 As shown, the second positioning member 320 further includes a positioning post 322, which includes an abutment portion and an insertion portion connected in sequence. The outer diameter of the abutment portion is larger than the outer diameter of the insertion portion, such as... Figure 2 As shown, the positioning post 322 can be screw-shaped, and the second mounting platform 112 is provided with a positioning hole 112a that mates with the insertion part, and the positioning groove 321 is provided on the positioning post 322.
[0043] After placing the object on the second mounting platform 112, align the holes of the object with the positioning holes 112a, insert the positioning pin 322 into the positioning holes 112a, and abut against the object to initially position and fix the object. At the same time, fix the relative positions of the positioning groove 321 and the positioning block 311. Then rotate the knob 200 to allow the positioning block 311 on the knob 200 to smoothly insert into the positioning groove 321, thus stably fixing the object. By setting the positioning groove 321 on the positioning pin 322 and fixing the relative positions of the positioning groove 321 and the positioning block 311, it is easy for the positioning block 311 to smoothly insert into the positioning groove 321 when rotating the knob 200. At the same time, the double fixing by the positioning pin 322 and the knob 200 not only achieves stable fixing of the object, but also prevents the object from shifting when rotating the knob 200.
[0044] Example 3
[0045] This embodiment is a first embodiment of a radiotherapy fixation device, such as... Figure 4As shown, the device includes a base 400, a side strip 500, and a fixing structure according to Embodiment 1 or Embodiment 2. The fixing seat 100 is detachably connected to the base 400, and multiple fixing structures can be provided on the base 400 as needed. The side strip 500 is placed on the second mounting platform 112, and the side strip 500 is located between the second mounting platform 112 and the knob 200. The positioning structure 300 is located between the second mounting platform 112 and the side strip 500.
[0046] The base 400 is provided with a sliding engagement member 410, and the fixed seat 100 is slidably connected to the sliding engagement member 410. When adjusting the position of the fixing structure, the fixed seat slides on the sliding engagement member, which guides the movement of the fixing structure, and a set of fixing structures can be used to fix the diaphragm at different positions on the base. When the fixed seat 100 and the sliding engagement member 410 are slidably connected, the fixed seat 100 can be locked by other fastening structures, or the fixed seat 100 and the sliding engagement member 410 can slide with damping.
[0047] The mounting base 100 includes a locking structure, and the base 400 is detachably connected to the locking structure. After the mounting base is moved to the desired position, the locking structure securely connects the mounting base to the base. Figure 2 and Figure 5 As shown, the locking structure is as follows: The fixed base 100 includes a mounting base 110, a first clamping block 120, a cam structure 130, and a second clamping block 140. The first clamping block 120 is fixedly connected to the mounting base 110, the cam structure 130 is rotatably connected to the mounting base 110, and the second clamping block 140 is slidably connected to the mounting base 110. The cam structure 130 abuts against the second clamping block 140, and the second clamping block 140 is located between the cam structure 130 and the first clamping block 120. When the cam structure 130 rotates, it drives the second clamping block 140 to move relative to the first clamping block 120. After the fixed base 100 is moved to the desired position, the cam structure 130 is rotated, causing the second clamping block 140 to move toward the first clamping block 120. The first clamping block 120 and the second clamping block 140 clamp the base 400, thus achieving a fixed connection between the fixed base 100 and the base 400.
[0048] like Figure 2 As shown, the first clamping block 120 is provided with a sliding member 121, such as... Figure 4 As shown, a sliding engagement member 410 is provided on the base 400. The sliding member 121 is slidably connected to the sliding engagement member 410. When adjusting the position of the fixing structure, the sliding member 121 slides on the sliding engagement member 410. The sliding engagement member 410 guides the movement of the fixing structure and can use a set of fixing structures to fix the diaphragm at different positions on the base 400. Figure 3 As shown, in this embodiment, the slider 121 is a slider, as... Figure 5As shown, the sliding fit 410 is a groove, and the movement of the slider in the groove guides the movement of the fixed structure. Similarly, the slider 121 can also be a groove, and the sliding fit 410 can be a slider accordingly.
[0049] like Figure 5 As shown, the second clamping block 140 is provided with a snap-fit member 141, such as... Figure 6 As shown, the base 400 is provided with multiple snap-fit parts 420 for snapping with the snap-fit part 141. By setting the snap-fit part 141 and the snap-fit parts 420, after the fixing structure is moved to the desired position, the cam structure 130 is rotated to move the second clamping block 140 toward the first clamping block 120. Simultaneously, the snap-fit part 141 inserts into the snap-fit part 420, stably fixing the fixing structure onto the base 400. Figure 2 As shown, in this embodiment, the latching component 141 is a latching block, as... Figure 6 As shown, in this embodiment, the snap-fit component 420 is a slot. A snap-fit block is inserted into the slot to stably connect the fixing structure to the base 400. In this embodiment, both the snap-fit block and the slot are hemispherical. Similarly, the snap-fit component 141 can also be a slot, and the snap-fit component 420 can be a corresponding snap-fit block.
[0050] The working principle of a radiotherapy fixation device in this embodiment is as follows:
[0051] The edge of the diaphragm is fixedly connected to a strip 500. The positioning mating part on the strip 500 is set as a positioning mating hole not less than the outer diameter of the insertion part. The slider slides in the groove. After the fixing seat 100 is moved to the required position to fix the diaphragm, the cam structure 130 is rotated so that the first clamping block 120 and the second clamping block 140 clamp and fix the base 400. At the same time, the card block is inserted into the card slot to fix the fixing seat 100 stably on the base 400. The strip 500 is placed on the second mounting platform 112. The positioning mating hole is aligned with the positioning hole 112a. The positioning post 322 is inserted and the abutting part abuts against the strip 500 to initially position and fix the diaphragm. The knob 200 is rotated so that the strip 500 is between the second mounting platform 112 and the knob 200. At this time, the knob 200 and the second mounting platform 112 clamp the strip 500. At the same time, the positioning block 311 is inserted into the positioning groove 321 to stably fix the diaphragm. The edge strip 500 is stably fixed by rotating the knob 200, which prevents the edge strip 500 from separating from the base 400 during treatment, that is, prevents the diaphragm from separating from the base 400. At the same time, the space required for the overall fixing structure is small, which can minimize the impact on the incident angle of the radiation during treatment.
[0052] In the description of this specification, the references to terms such as "one embodiment," "some embodiments," "example," "specific example," or "some examples," etc., indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples. Moreover, without contradiction, those skilled in the art can combine and integrate the different embodiments or examples described in this specification, as well as the features of different embodiments or examples.
[0053] Obviously, the above embodiments of this utility model are merely examples for clearly illustrating this utility model, and are not intended to limit the implementation of this utility model. Those skilled in the art can make other variations or modifications based on the above description. It is neither necessary nor possible to exhaustively describe all embodiments here. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of this utility model should be included within the protection scope of the claims of this utility model.
Claims
1. A fixed structure, characterized in that, The device includes a mounting base (100) and a knob (200). The mounting base (100) is provided with a first mounting platform (111) and a second mounting platform (112) for placing the object to be installed. The first mounting platform (111) is higher than the second mounting platform (112). The knob (200) is rotatably mounted on the first mounting platform (111). A positioning structure (300) for fixing the object to be installed is provided between the knob (200) and the second mounting platform (112).
2. The fixing structure according to claim 1, characterized in that, The positioning structure (300) includes a first positioning element (310) and a second positioning element (320) for cooperating with the first positioning element (310). The first positioning element (310) is located on the knob (200), and the second positioning element (320) is located on the second mounting platform (112).
3. The fixing structure according to claim 2, characterized in that, The first positioning element (310) includes a positioning block (311) disposed on the knob (200), and the second positioning element (320) includes a positioning groove (321) for cooperating with the positioning block (311) disposed on the second mounting platform (112).
4. The fixing structure according to claim 3, characterized in that, The first positioning element (310) further includes an elastic element (312). The knob (200) is provided with a sliding groove (211). The positioning block (311) is slidably connected to the sliding groove (211). The two ends of the elastic element (312) are respectively connected to the knob (200) and the positioning block (311).
5. The fixing structure according to claim 3, characterized in that, The second positioning member (320) further includes a positioning post (322), the positioning post (322) includes an abutment part and an insertion part connected in sequence, the outer diameter of the abutment part is larger than the outer diameter of the insertion part, the second mounting platform (112) is provided with a positioning hole (112a) that cooperates with the insertion part, and the positioning groove (321) is provided on the positioning post (322).
6. The fixing structure according to any one of claims 1 to 5, characterized in that, The knob (200) includes a hand-held part (210) and a rotating part (220). The rotating part (220) is disposed on the hand-held part (210) and is rotatably connected to the first mounting platform (111). The positioning structure (300) is disposed between the hand-held part (210) and the second mounting platform (112).
7. The fixing structure according to claim 6, characterized in that, The positioning structure (300) is provided in two sets, and the two sets of positioning structures (300) are symmetrically arranged between the hand-held part (210) and the second mounting platform (112) about the rotating part (220).
8. A radiotherapy fixation device, characterized in that, The device includes a base (400), a side strip (500), and a fixing structure as described in any one of claims 1 to 7; the fixing seat (100) is connected to the base (400), the side strip (500) is placed on the second mounting platform (112), the side strip (500) is located between the second mounting platform (112) and the knob (200), and the positioning structure (300) is located between the second mounting platform (112) and the side strip (500).
9. The radiotherapy fixation device according to claim 8, characterized in that, The base (400) is provided with a sliding engagement component (410), and the fixed seat (100) is slidably connected to the sliding engagement component (410).
10. The radiotherapy fixation device according to claim 9, characterized in that, The fixing base (100) includes a locking structure, and the base (400) is detachably connected to the locking structure.