Radiation fixture

Abstract

The utility model discloses a kind of radiation fixing devices, including fixed subassembly and radiation shielding piece;Fixed subassembly includes the fixed part of being provided with accommodating groove and the elastic cladding portion fixed in the accommodating groove, the elastic cladding portion is used to elastically cladding at least a part of the animal to be radiated, so as to make the animal fixed in the accommodating groove;Radiation shielding piece cover is set in the accommodating groove and is used to shield radiation light, the radiation shielding piece is provided with the radiation port communicating the accommodating groove, the radiation port is used for radiation light to pass through to irradiate to the target position of animal located in the accommodating groove.The radiation fixing device of the utility model is used to ensure the accuracy of the position of animal radiation, and improve the versatility and practicability of radiation fixing device.

Description

Technical Field

[0001] This utility model relates to the field of radiotherapy equipment technology, and in particular to a radiation fixation device. Background Technology

[0002] To verify the therapeutic effect of radiotherapy, experiments are conducted using animals such as mice. Radiation is applied to target areas of the animals to determine the therapeutic effect. Before radiotherapy, the animals are anesthetized and restrained to prevent movement during the procedure, which could affect the treatment outcome.

[0003] When irradiating the target location of an animal with radiation, if the radiation diffuses or the irradiated area is large, the radiation may irradiate non-target locations in addition to the target location, thus affecting the final experimental results. Utility Model Content

[0004] The purpose of this invention is to provide a radiation fixation device to ensure the accuracy of the location for irradiating animals and to improve the versatility and practicality of radiation fixation devices.

[0005] The objective of this utility model is achieved through the following technical solution:

[0006] A radiation fixation device, comprising:

[0007] The fixing component includes a fixing member with a receiving groove and an elastic covering part fixed in the receiving groove. The elastic covering part is used to elastically cover and fix at least a part of the animal to be irradiated, so that the animal is fixed in the receiving groove.

[0008] A radiation shielding element is provided on the receiving groove to block radiation light. The radiation shielding element is provided with a radiation port communicating with the receiving groove. The radiation port is used to allow radiation light to pass through and irradiate the target position of the animal located in the receiving groove.

[0009] Preferably, the fixing component includes a positioning member, the elastic covering part is a medical bandage, the positioning member is connected to the four corners of the elastic covering part and fixes the four corners of the elastic covering part in the receiving groove of the fixing member.

[0010] Preferably, the fastener is provided with a plurality of receiving slots, which are arranged in a circular array around the center of the fastener, and a partition wall is provided between adjacent receiving slots, and the adjacent receiving slots are separated by the partition wall.

[0011] The radiation shielding member is provided with multiple radiation ports, and each of the receiving slots is connected to at least one radiation port to receive radiation rays entering from the corresponding radiation port.

[0012] Preferably, the partition wall is provided with a first connecting hole, and the radiation shielding member is provided with a second connecting hole corresponding to the position of the first connecting hole. The radiation shielding member is detachably fixed to the fixing member by fasteners that cooperate with the first connecting hole and the corresponding second connecting hole.

[0013] Preferably, a central receiving cavity is provided at the center of the fixing member, one end of the receiving groove extends into the central receiving cavity, and the other end of the receiving groove extends through the outer wall of the fixing member.

[0014] Preferably, it further includes:

[0015] Mounting components are used for secure installation on the treatment bed;

[0016] A connecting component, one part of which is connected to the mounting component and the other part of which is connected to the fixing component, so as to indirectly install the fixing component onto the mounting component.

[0017] Preferably, the connecting assembly includes a connector that is detachably and fixedly connected to the mounting member and a mating member that is detachably and fixedly connected to the fixing member, wherein the connector and the mating member engage.

[0018] Preferably, the mating member has a slot, and the connecting member includes a first connecting portion and a second connecting portion that are connected to each other. At least a portion of the first connecting portion is installed in the slot to engage with the mating member, and the second connecting portion is detachably fixedly connected to the mounting member.

[0019] Preferably, the mating component includes a first mating part, a second mating part, and a third mating part that are independent of each other. The first mating part, the second mating part, and the third mating part are used together to form the slot. The first mating part, the second mating part, and the third mating part are detachably fixedly connected to the fixing component.

[0020] Preferably, the second connecting portion is movable relative to the mounting member along the length direction of the mounting member and remains fixed to the mounting member at multiple positions to adjust the position of the fixing member relative to the mounting member.

[0021] Compared with the prior art, the beneficial effects of this utility model include at least the following:

[0022] By combining a radiation shield and a fixation component, the radiation rays pass through the radiation shield only through the radiation port to reach the target location of the animal within the containment tank, ensuring the accuracy of the animal's radiation placement. Non-target locations of the animal are shielded by the radiation shield to prevent radiation from affecting the accuracy of the final experimental setup. By using an elastic covering to fix the animal, the elastic deformation of the covering allows for the fixation of animals of different sizes, improving the versatility and practicality of the radiation fixation device and meeting diverse experimental needs. Attached Figure Description

[0023] Figure 1 This is a schematic diagram of the structure of the radiation fixation device according to an embodiment of the present invention;

[0024] Figure 2 This is an exploded view of the radiation fixation device according to an embodiment of the present invention;

[0025] Figure 3 This is a partial exploded view of the radiation fixing device according to an embodiment of the present invention;

[0026] Figure 4 This is a schematic diagram of the radiation fixation device of this utility model installed on a treatment bed.

[0027] In the diagram: 100, treatment bed; 1, mounting component; 21, fixing component; 211, receiving groove; 212, partition wall; 213, first connecting hole; 214, central receiving cavity; 3, radiation shielding component; 31, radiation port; 32, second connecting hole; 4, connecting assembly; 41, connector; 411, first connecting part; 412, second connecting part; 413, connecting groove; 42, mating component; 421, first mating part; 422, second mating part; 423, third mating part. Detailed Implementation

[0028] Exemplary embodiments will now be described more fully with reference to the accompanying drawings. However, these exemplary embodiments can be implemented in many forms and should not be construed as limited to the embodiments set forth herein; rather, these embodiments are provided to make the present invention more comprehensive and complete, and to fully convey the concept of the exemplary embodiments to those skilled in the art. The same reference numerals in the drawings denote the same or similar structures, and therefore repeated descriptions of them will be omitted.

[0029] The terms used to describe position and direction in this utility model are illustrated with the accompanying drawings, but changes can be made as needed, and all such changes are included within the scope of protection of this utility model.

[0030] like Figures 1 to 3As shown, this utility model provides a radiation fixing device, including a mounting component 1, a fixing component, a radiation shielding component 3, and a connecting component 4.

[0031] Reference Figure 4 The mounting component 1 is used to fix it onto the treatment bed 100 so that it can move synchronously with the treatment bed 100. The mounting component 1 can be a long plate-like structure and can be fixed to the treatment bed 100 by means of snap-fit, threaded fixing, or other methods. The treatment bed 100 is a bed for patients to lie on during treatment, and it can be moved to adjust its position and angle during treatment. Before treatment, the position and angle of the mounting component 1 can also be adjusted by controlling the movement of the treatment bed 100. The movable treatment bed 100 and the mechanism for controlling its movement are existing structures and will not be described in detail here.

[0032] Reference Figure 3 The fixing component is used to fix the position of the animal. The fixing component includes a fixing member 21 with a receiving slot 211 and a positioning unit housed within the receiving slot 211. The receiving slot 211 of the fixing member 21 is used to accommodate the animal to be irradiated. The fixing member 21 may have multiple receiving slots 211, each of which can be used to accommodate an animal. A partition wall 212 may be provided between adjacent receiving slots 211 to separate adjacent receiving slots 211. The multiple receiving slots 211 may have the same shape and may be used to accommodate the same type of animal, for example, multiple receiving slots 211 may all be used to accommodate mice; in other embodiments, the multiple receiving slots 211 may also have different shapes and may be used to accommodate different species or different sizes of animals, for example, some receiving slots 211 may accommodate smaller mice, while some receiving slots 211 may accommodate larger rats.

[0033] In some specific embodiments, a central receiving cavity 214 is provided at the center of the fixing member 21. One end of each receiving groove 211 extends into the central receiving cavity 214, and the other end extends through the outer wall of the fixing member 21. By making the front and rear sides of the receiving groove 211 along the extension direction of the receiving groove 211 empty external space and the central receiving cavity 214 respectively, when an animal is placed in the receiving groove 211, it will not be disturbed by the components located on the front and rear sides of the receiving groove 211, which facilitates the placement of the animal. Specifically, the fixing member 21 can be a disc-shaped structure, and the multiple receiving grooves 211 in the fixing member 21 can be distributed in a ring array around the center of the fixing member 21.

[0034] The positioning unit is used to secure the animal within the receiving groove 211 to prevent movement within the receiving groove 211. The positioning unit may include an elastic covering portion and a positioning member. The elastic covering portion may be used to cover at least a portion of the animal, and the elastic covering portion secures the animal through its own elasticity. The positioning member can fix the elastic covering portion to the fixing member 21, with at least the portion of the elastic covering portion used to cover the animal located within the receiving groove 211 of the fixing member 21, so that the animal can be secured within the receiving groove 211 of the fixing member 21.

[0035] The elastic covering can completely cover the animal, or it can cover only a portion of the animal, such as the animal's body while leaving the head, tail, etc., uncovered. The elastic covering can first secure the animal, then be installed in the receiving groove 211 of the fixing member 21 and fixed by the positioning member; or, the elastic covering can be fixed in the receiving groove 211 by the positioning member before covering the animal, and the animal is placed inside the elastic covering when needed. The elastic covering includes an opening for the animal to be placed in and out. Before deformation, the internal space of the elastic covering is smaller than the volume of the animal. When the animal is placed in the elastic covering, the animal expands the elastic covering, allowing the elastic force of the covering to secure the animal.

[0036] By employing an elastic covering to immobilize animals, animals of varying sizes can all stretch the elastic covering, allowing its rebound force to secure the animal. Therefore, the elastic covering can be used to immobilize animals of different sizes, exhibiting good versatility and practicality, and meeting diverse experimental needs. Using an elastic covering eliminates the need for separate immobilization components for multiple animals of different sizes, simplifying the structure of the immobilization device. Furthermore, when there are significant differences in animal size, multiple sizes of elastic coverings can be used, each capable of immobilizing animals within a certain size range.

[0037] In some specific embodiments, the elastic covering portion can be a medical bandage. When the elastic covering portion is located within the receiving groove 211, the four corners of the elastic covering portion can be fixed by positioning members. Specifically, the positioning members pass through the four corners of the elastic covering portion and are connected to the fixing member 21, for example, by means of pin connection, threaded connection, or snap-fit ​​connection between the positioning members and the fixing member 21.

[0038] A radiation shielding member 3 is installed over the receiving groove 211 to block radiation rays, and the radiation shielding member 3 is provided with a radiation port 31 communicating with the receiving groove 211. When radiation rays shine into the receiving groove 211, part of the radiation rays are blocked by the radiation shielding member 3, and part of the radiation rays pass through the radiation port 31 of the radiation shielding member 3 and shine on the corresponding position in the receiving groove 211. This corresponding position is specifically the target position of the animal installed in the receiving groove 211 that needs to be irradiated. By providing a radiation shielding member 3 with a radiation port 31, radiation rays can only enter the receiving groove 211 from the radiation port 31. As long as the target position of the animal that needs to be irradiated is aligned with the position of the radiation port 31, the radiation rays can treat the target position of the animal, while the non-target positions of the animal are blocked by the radiation shielding member 3 and are not irradiated by the radiation rays.

[0039] In some specific embodiments, the radiation shielding member 3 is provided with multiple radiation ports 31, and each receiving slot 211 can communicate with at least one radiation port 31 to receive radiation light emitted from the radiation port 31 connected to that receiving slot 211. Specifically, the number of receiving slots 211 can be the same as the number of radiation ports 31 and correspond one-to-one, with each receiving slot 211 used to receive radiation light emitted from the corresponding radiation port 31. When the animal is installed in the receiving slot 211, the animal's position is adjusted and fixed using a positioning unit, and the target area of ​​the animal requiring radiation therapy is exposed to the outside through the corresponding radiation port 31. During radiation therapy, the radiation light passes through the radiation port 31 to accurately irradiate the animal's target area, while the non-target areas of the animal are shielded by the radiation shielding member 3 and thus unaffected by the radiation light, preventing the non-target areas of the animal from being irradiated by the radiation light and affecting the accuracy of the final experimental structure.

[0040] The radiation shielding member 3 is provided with radiation ports 31 corresponding to the receiving slot 211, depending on the target position of the animal installed in the receiving slot 211. When the relative position of each radiation port 31 to the corresponding receiving slot 211 is consistent, for example, when each radiation port 31 is located in the lower middle part of the corresponding receiving slot 211, the distribution path of the multiple radiation ports 31 is the same as the distribution path of the multiple receiving slots 211, that is, the multiple radiation ports 31 can be distributed in a ring array along the center of the fixing member 21. When the relative position of each radiation port 31 to the corresponding receiving slot 211 is inconsistent, for example, when some radiation ports 31 are located in the middle of the corresponding receiving slot 211 and some radiation ports 31 are located in the upper part of the corresponding receiving slot 211, the distribution path of the multiple radiation ports 31 can be an irregular path. By setting radiation ports 31 corresponding to each accommodating slot 211 on the radiation shielding component 3, the target positions of the animals in each accommodating slot 211 can be different. During a single radiation therapy, radiation therapy experiments can be conducted on different or the same positions of multiple animals, thereby obtaining corresponding experimental data, making the operation more flexible.

[0041] In other embodiments, when an animal has multiple target locations that require radiation therapy, multiple radiation ports 31 corresponding to the receiving slot 211 can be provided, with each radiation port 31 corresponding to a target location of the animal located in the receiving slot 211.

[0042] In some specific embodiments, the radiation shielding member 3 is detachably fixed to the fixing member 21. That is, when the radiation shielding member 3 is installed on the fixing member 21, it remains fixed to the fixing member 21, and the radiation shielding member 3 can be detached relative to the fixing member 21. During radiation therapy experiments, different radiation shielding members 3 can be replaced according to different experimental requirements. For example, if an animal has two different target locations, denoted as the first target location and the second target location, to avoid mutual interference from simultaneous radiation therapy experiments on the two target locations, radiation therapy is first performed on the first target location, followed by radiation therapy on the second target location. When performing radiation therapy on the first target location, the radiation shielding member 3 corresponding to the first target location is installed on the fixing member 21 so that the first target location is exposed to the outside world through the radiation port 31 of the radiation shielding member 3. When performing radiation therapy on the second target location, the radiation shielding member 3 is replaced with a radiation shielding member 3 corresponding to the second target location so that the second target location is exposed to the outside world through the radiation port 31 of the radiation shielding member 3. The two different target locations can be different in size and / or position.

[0043] By detachably installing the radiation shielding component 3 onto the fixing component 21, the radiation shielding component 3 becomes a replaceable element. Different radiation shielding components 3 can be flexibly replaced during experiments to perform radiation therapy on areas of different sizes or locations on animals. The operation is flexible and can simplify the experimental procedures.

[0044] The radiation shielding member 3 can be detachably fixed to the fixing member 21 using fasteners. Specifically, the radiation shielding member 3 may be provided with a second connecting hole 32, and the partition wall 212 of the fixing member 21 may be provided with a first connecting hole 213 corresponding to the second connecting hole 32. When the radiation shielding member 3 is connected to the fixing member 21, the first connecting hole 213 and the corresponding second connecting hole 32 are connected. A fastener can pass through the first connecting hole 213 and the corresponding second connecting hole 32 to fix the radiation shielding member 3 to the fixing member 21, and the fastener can be separated from the first connecting hole 213 and the second connecting hole 32 to separate the radiation shielding member 3 from the fixing member 21. Specifically, the fastener may be a screw, the first connecting hole 213 may be a threaded hole that mates with the fastener, and the second connecting hole 32 may be a through hole through which the fastener passes. The radiation shielding member 3 and the fixing member 21 are fixedly connected by screws. In other embodiments, the radiation shielding member 3 may also be detachably connected by other fixing methods such as snap-fit ​​or strap fixation.

[0045] Reference Figure 1 and Figure 2 One part of the connecting component 4 is connected to the mounting component 1, and the other part is connected to the fixing component, so that the fixing component can be indirectly installed on the mounting component 1 through the connecting component 4. When the treatment bed 100 is adjusted, the mounting component 1 and the fixing component installed on the mounting component 1 will move synchronously, so that the fixing component can be adjusted in position through the position adjustment function of the treatment bed 100, thereby moving the fixing component to the required position and angle to meet the needs of different experiments; and, the fixing component 21 in the fixing component can be moved closer to the beam outlet by the movement of the treatment bed 100, and the beam outlet emits radiation light to perform radiation therapy on the animal inside the fixing component 21.

[0046] The connecting component 4 can be detachably connected to both the mounting component 1 and the fixing component 21. During experiments, different connecting components 4 can be replaced as needed to change the relative position between the fixing component 21 and the mounting component 1, thereby adapting to different experimental requirements. Specifically, the connecting component 4 may include a connector 41 detachably and fixedly connected to the mounting component 1 and a mating component 42 detachably and fixedly connected to the fixing component 21. The mating component 42 and the mounting component 1 are detachably connected, for example, the connector 41 and the mating component 42 are snapped together. When it is necessary to change the relative position between the fixing component 21 and the mounting component 1, one or both of the mating component 42 and the connector 41 can be replaced to change the structure of the connecting component 4, thereby changing the relative position between the fixing component 21 and the mounting component 1.

[0047] The mating part 42 may have a slot for engaging with the connecting part 41. The connecting part 41 may include a first connecting portion 411 and a second connecting portion 412 connected to each other. The first connecting portion 411 may be integrally formed with the second connecting portion 412. At least a portion of the first connecting portion 411 is installed in the slot to engage with the mating part 42, and the second connecting portion 412 is detachably fixedly connected to the mounting part 1. When it is necessary to connect the mounting part 1 and the fixing part 21, the mating part 42 is fixed to the fixing part 21 and forms a slot, the second connecting portion 412 of the connecting part 41 is fixed to the mounting part 1, and a portion of the first connecting portion 411 of the connecting part 41 is inserted into the slot of the mating part 42 to engage with the mating part 42, thereby achieving a fixed connection between the mounting part 1 and the fixing part 21. When it is necessary to change the relative position of the mounting part 1 and the fixing part 21, the mating part 42 and / or the connecting part 41 can be replaced to change the structure of the connecting assembly 4, thereby changing the relative position of the mounting part 1 and the fixing part 21.

[0048] The first connecting portion 411 and the second connecting portion 412 of the connector 41 can each be a plate-like structure, and the first connecting portion 411 and the second connecting portion 412 are perpendicular to each other, so that the connector 41 forms an "L"-shaped structure. The mating part 42 may include a first mating portion 421, a second mating portion 422, and a third mating portion 423 that are independent of each other. The first mating portion 421, the second mating portion 422, and the third mating portion 423 are detachably fixed to the fixing part 21, for example, the first mating portion 421, the second mating portion 422, and the third mating portion 423 are respectively installed on the fixing part 21 by screws. The first mating portion 421, the second mating portion 422, and the third mating portion 423 together form a slot. For example, the slot is a rectangular structure, and the first mating portion 421, the second mating portion 422, and the third mating portion 423 each form one side of the rectangular structure. When the connector 41 is replaced and the structure is changed, the slot may also need to be adjusted to adapt to the connector 41 after the structure is changed. At this time, one or more of the first mating part 421, the second mating part 422 and the third mating part 423 can be adjusted so that the slot can adapt to the connector 41 after the structure is changed.

[0049] In some specific embodiments, the second connecting portion 412 of the connector 41 can move relative to the mounting member 1 along the length direction of the mounting member 1 and remain fixed to the mounting member 1 at multiple positions to adjust the position of the fixing member 21 relative to the mounting member 1. Specifically, the second connecting portion 412 may be provided with a connecting groove 413 extending along the length direction of the mounting member 1. A fastener can pass through the connecting groove 413 of the second connecting portion 412 and cooperate with the mounting member 1 to fix the second connecting portion 412 to the mounting member 1. By allowing the fastener to pass through different positions of the second connecting portion 412, the second connecting portion 412 is thus fixed to the mounting member 1 at different positions. The fastener may specifically be a screw.

[0050] In other embodiments, the second connecting part 412 can also be fixed to the mounting part 1 in other ways. For example, the second connecting part 412 or the mounting part 1 can be provided with multiple connecting holes along the length direction of the mounting part 1. By using screws to cooperate with different connecting holes, the second connecting part 412 can be fixed to the mounting part 1 in multiple positions. Alternatively, the second connecting part 412 can also be fixed to the mounting part 1 by means of a lead screw or a slide, so that the second connecting part 412 can be fixed to the mounting part 1 in multiple positions.

[0051] Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention. Those skilled in the art can make changes, modifications, substitutions and alterations to the above embodiments within the scope of the present invention without departing from the principles and spirit of the present invention, and all such changes should fall within the protection scope of the claims of the present invention.

Claims

1. A radiation fixation device, characterized in that, include: The fixing component includes a fixing member (21) provided with a receiving groove (211) and an elastic covering part fixed in the receiving groove (211). The elastic covering part is used to elastically cover and fix at least a part of the animal to be irradiated, so that the animal is fixed in the receiving groove (211). A radiation shielding member (3) is provided on the receiving groove (211) and is used to shield the radiation light. The radiation shielding member (3) is provided with a radiation port (31) communicating with the receiving groove (211). The radiation port (31) is used to allow the radiation light to pass through and irradiate the target position of the animal located in the receiving groove (211).

2. The radiation fixation device according to claim 1, characterized in that, The fixing component includes a positioning member, the elastic covering part is a medical bandage, the positioning member is connected to the four corners of the elastic covering part and fixes the four corners of the elastic covering part in the receiving groove (211) of the fixing member (21).

3. The radiation fixation device according to claim 1, characterized in that, The fastener (21) is provided with a plurality of receiving slots (211), which are arranged in a ring array around the center of the fastener (21). A partition wall (212) is provided between adjacent receiving slots (211), and adjacent receiving slots (211) are separated by the partition wall (212). The radiation shielding member (3) is provided with a plurality of radiation ports (31), and each of the receiving slots (211) is connected to at least one radiation port (31) to receive radiation rays entering from the corresponding radiation port (31).

4. The radiation fixation device according to claim 3, characterized in that, The partition wall (212) is provided with a first connection hole (213), and the radiation shielding member (3) is provided with a second connection hole (32) corresponding to the position of the first connection hole (213). The radiation shielding member (3) is detachably fixed to the fixing member (21) by fasteners that cooperate with the first connection hole (213) and the corresponding second connection hole (32).

5. The radiation fixation device according to claim 3, characterized in that, The fixing member (21) has a central receiving cavity (214) at its center. One end of the receiving groove (211) extends into the central receiving cavity (214), and the other end of the receiving groove (211) extends through the outer wall of the fixing member (21).

6. The radiation fixation device according to claim 1, characterized in that, Also includes: Mounting component (1) is used for fixed installation on the treatment bed (100); The connecting component (4) is connected in part to the mounting component (1) and in part to the fixing component, so as to indirectly install the fixing component to the mounting component (1).

7. The radiation fixation device according to claim 6, characterized in that, The connecting assembly (4) includes a connector (41) that is detachably fixedly connected to the mounting member (1) and a mating member (42) that is detachably fixedly connected to the fixing member (21), wherein the connector (41) and the mating member (42) are engaged.

8. The radiation fixation device according to claim 7, characterized in that, The mating part (42) has a slot, and the connecting part (41) includes a first connecting part (411) and a second connecting part (412) that are connected to each other. At least a portion of the first connecting part (411) is installed in the slot to engage with the mating part (42), and the second connecting part (412) is detachably fixedly connected to the mounting part (1).

9. The radiation fixation device according to claim 8, characterized in that, The mating component (42) includes a first mating part (421), a second mating part (422), and a third mating part (423) that are independent of each other. The first mating part (421), the second mating part (422), and the third mating part (423) are used together to form the slot. The first mating part (421), the second mating part (422), and the third mating part (423) are detachably fixed to the fixing component (21).

10. The radiation fixation device according to claim 8, characterized in that, The second connecting part (412) can move relative to the mounting member (1) along the length direction of the mounting member (1) and remain fixed to the mounting member (1) at multiple positions to adjust the position of the fixing member (21) relative to the mounting member (1).

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