PET (Polyethylene Terephthalate) test die body convenient for filling radioactive solution
By designing connecting components in the PET test phantom, a sealed snap-fit and sealed contact of the insertion tube is achieved, solving the problem of radiation solution leakage during the injection process of traditional phantoms and improving operational safety.
Patent Information
- Application Number
- CN202422940102.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-29
- Publication Date
- 2025-11-28
- Estimated Expiration
- 2034-11-29
AI Technical Summary
Traditional PET test phantoms lack effective protective measures when filled with radioactive solutions, which can easily cause the radioactive solutions to leak out, increasing the risk of radiation exposure for operators.
A connecting assembly was designed, including a connecting housing, a snap-fit block, a limiting plate, a compression rod, a receiving strip, and a compression spring. Through the combined use of these components, a sealed snap-fit and sealed contact are achieved for the insertion pipe, preventing the leakage of radioactive solution.
It effectively prevents the leakage of radioactive solutions, reduces the risk of radiation exposure for operators, and improves operational safety.
Smart Images
Figure CN223611717U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to PET mould body test technical field, concretely relates to a PET test mould body convenient for perfusion radioactive solution. BACKGROUND
[0002] With the continuous development of material science, a series of new materials appear, and these materials are excellent in chemical stability, radiation resistance, mechanical performance and the like. For example, some high-performance plastics and composite materials can not only resist the erosion of radioactive solution, but also can provide good mechanical strength, which provides a material basis for designing a more reasonable PET test mould body.
[0003] The radioactive solution has a certain radioactivity, and the radiation protection measures for the operator during the perfusion process of the traditional mould body are relatively weak, and there is no effective protection at the perfusion port, so that the radioactive solution is easy to flow out of the perfusion port, thereby increasing the risk of the operator exposed to radiation and causing irreversible harm to the operator, therefore, the utility model provides a PET test mould body convenient for perfusion radioactive solution. UTILITY MODEL CONTENT
[0004] The utility model discloses a PET test mould body convenient for perfusion radioactive solution, which aims at solving the problems in the background art.
[0005] In order to achieve the above-mentioned purpose, the utility model provides a PET test mould body convenient for perfusion radioactive solution, which comprises a mould body, a connecting pipe fixedly connected to the top end of the mould body, the connecting pipe being in communication with the inside of the mould body, a connecting assembly provided at the other end of the connecting pipe, the connecting assembly comprising a connecting shell fixedly connected to one end of the connecting pipe and in communication with the connecting pipe, a plurality of clamping blocks fixedly installed on the outside of the connecting shell and close to the bottom side of the connecting shell, a plug-in hole formed in the bottom side of the connecting shell, a plug-in pipe inserted into the connecting shell, a fixing ring fixedly connected to the outside of the plug-in pipe and located close to the middle position of the outside of the plug-in pipe, a plurality of receiving blocks fixedly connected to the outside of the fixing ring and located at the middle position of the outside of the fixing ring, receiving strips fixedly installed on both sides of the receiving block, a pressing rod fixedly installed between the two receiving strips and close to the top end position of the receiving strip, a pressing spring arranged in the connecting shell, and a rubber ring arranged at the bottom of the pressing spring.
[0006] As a further improvement of the technical solution, the two sides of the clamping block are provided with limiting plates, and the two limiting plates are fixedly connected to the outside of the connecting shell, and the limiting plates are used for limiting the receiving strip.
[0007] As a further improvement of the technical solution, the receiving strip is flexible, and deforms when the extrusion rod between the two receiving strips extrudes the limiting plate, and restores to the original shape when the receiving strip is separated from the extrusion.
[0008] As a further improvement of the technical solution, the top end of the extrusion spring is fixedly connected to the inner wall of the connecting shell, and the top side of the rubber ring is fixedly connected to the bottom end of the extrusion spring, and the rubber ring is driven by the extrusion spring to slide in the connecting shell.
[0009] As a further improvement of the technical solution, the outer side of the rubber ring is in sealing contact with the inner wall of the connecting shell, and the bottom side of the rubber ring is in sealing contact with the top end of the plug-in pipe.
[0010] Compared with the prior art, the beneficial effects of the present application are:
[0011] In the PET test mold body convenient for perfusion of radioactive solution, the connecting shell in the connecting assembly is provided, so that the plug-in pipe is inserted into the connecting shell through the plug-in hole, and the plug-in pipe is clamped in the connecting shell through the receiving strips on both sides of the receiving blocks on the outer side of the fixing ring, the extrusion rod between the receiving strips is clamped on the top side of the clamping block, so that the plug-in pipe can be clamped in the connecting shell, and the extrusion spring in the connecting shell extrudes the rubber ring, so that the top end of the plug-in pipe is in sealing contact with the rubber ring, and the radioactive solution is prevented from flowing out to cause radiation to the operator, so that irreversible harm is caused to the operator. BRIEF DESCRIPTION OF DRAWINGS
[0012] Fig. 1 It is a schematic diagram of the overall structure of the utility model;
[0013] Fig. 2 It is a schematic diagram of the exploded structure of the utility model;
[0014] Fig. 3 It is a schematic diagram of the cross-sectional structure of the connecting assembly of the utility model.
[0015] The meanings of the various reference numerals in the drawings are as follows:
[0016] 1, mold body; 2, connecting pipe; 3, connecting assembly; 31, connecting shell; 32, clamping block; 33, limiting plate; 34, plug-in pipe; 35, fixing ring; 36, receiving block; 37, receiving strip; 38, extrusion rod; 39, extrusion spring; 311, rubber ring. DETAILED DESCRIPTION
[0017] Clearly, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those of ordinary skill in the art without creative labor fall within the scope of protection of the present application.
[0018] In the description of the present application, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation of the present application.
[0019] Embodiment 1
[0020] Please refer to Figs. 1-3As shown, the embodiment provides a PET test mold for facilitating perfusion of radioactive solution, which comprises a mold body 1, a connecting pipe 2 fixedly connected to the top end of the mold body 1, the connecting pipe 2 being in communication with the inside of the mold body 1, the radioactive solution being capable of being delivered into the mold body 1 through the connecting pipe 2, the other end of the connecting pipe 2 being provided with a connecting assembly 3, the radioactive solution being capable of being prevented from flowing out of the connecting port through the connecting assembly 3, and the operator being capable of being prevented from being harmed, the connecting assembly 3 comprising a connecting shell 31 fixedly connected to one end of the connecting pipe 2 and in communication with the inside of the connecting assembly 3, a plurality of clamping blocks 32 fixedly installed on the outside of the connecting shell 31 and close to the bottom side of the connecting shell 31, a plug-in hole being formed in the bottom side of the connecting shell 31, a plug-in pipe 34 being plugged into the connecting shell 31, the plug-in pipe 34 being capable of being conveniently plugged into the connecting shell 31 through the plug-in hole, the plug-in hole playing a role of limiting and guiding the connecting shell 31, a fixing ring 35 being fixedly connected to the outside of the plug-in pipe 34 and located close to the middle position of the outside of the plug-in pipe 34, a plurality of receiving blocks 36 being fixedly connected to the outside of the fixing ring 35 and located at the middle position of the outside of the fixing ring 35, a receiving strip 37 being fixedly installed on the two sides of each receiving block 36, a pressing rod 38 being fixedly installed between the two receiving strips 37 and close to the top end position of the receiving strip 37, the receiving strip 37 being flexible, the pressing rod 38 between the two receiving strips 37 being capable of being pressed to deform when the limiting plate 33 is pressed, and the receiving strip 37 being capable of restoring to the original shape when the pressing rod 38 is released, the plug-in pipe 34 being capable of being clamped in the connecting shell 31 through the plug-in hole in the connecting shell 31 and the pressing rod 38 between the two receiving strips 37 being clamped on the top side of the clamping block 32 through the receiving strip 37 on the two sides of the plurality of receiving blocks 36 on the outside of the fixing ring 35.
[0021] An extrusion spring 39 is arranged in the connecting shell 31, a rubber ring 311 being arranged at the bottom of the extrusion spring 39, the top end of the extrusion spring 39 being fixedly connected to the inner wall of the connecting shell 31, the top side of the rubber ring 311 being fixedly connected to the bottom end of the extrusion spring 39, the rubber ring 311 being capable of being slid in the connecting shell 31 through the extrusion spring 39, the outside of the rubber ring 311 being in sealing contact with the inner wall of the connecting shell 31, and the bottom side of the rubber ring 311 being in sealing contact with the top end of the plug-in pipe 34, the top end of the plug-in pipe 34 being capable of being in sealing contact with the rubber ring 311 through the extrusion spring 39 in the connecting shell 31, the radioactive solution being capable of being prevented from flowing out and the operator being capable of being prevented from being harmed.
[0022] Limiting plates 33 are arranged on the two sides of the clamping block 32 and fixedly connected to the outside of the connecting shell 31, the limiting plate 33 being used for limiting the receiving strip 37 and preventing the pressing rod 38 between the two receiving strips 37 from being clamped in wrong position and causing the clamping to fail.
[0023] The PET test body of the embodiment is convenient for perfusing the radioactive solution, in specific use, first, the plug-in pipe 34 is inserted into the connecting shell 31 through the plug-in hole, and the extrusion rod 38 between the receiving strips 37 on both sides of the plug-in pipe 34 is clamped on the top side of the clamping block 32 through the plurality of receiving blocks 36 outside the fixing ring 35, so that the plug-in pipe 34 can be clamped in the connecting shell 31, and the extrusion spring 39 in the connecting shell 31 extrudes the rubber ring 311, so that the top end of the plug-in pipe 34 is in sealed contact with the rubber ring 311, and the operator can conveniently perfuse the radioactive solution into the body 1, and the inner wall of the body 1 is detected through PET image fusion.
[0024] The basic principle, main features and advantages of the utility model are shown and described above. It should be understood by those skilled in the art that the utility model is not limited by the above embodiments, and the above embodiments and the description in the specification are only preferred examples of the utility model and are not intended to limit the utility model. Without departing from the spirit and scope of the utility model, the utility model can also have various changes and improvements, and these changes and improvements all fall within the scope of the utility model claimed. The scope of protection of the utility model is defined by the appended claims and their equivalents.
Claims
1. A PET test phantom for facilitating the perfusion of a radiopharmaceutical solution, comprising a phantom body (1), characterized in that: The top end of the die body (1) is fixedly connected with a connecting pipe (2), the connecting pipe (2) is communicated with the inside of the die body (1), the other end of the connecting pipe (2) is provided with a connecting assembly (3), the connecting assembly (3) comprises a connecting shell (31), the connecting shell (31) is fixedly connected at one end of the connecting pipe (2), and the connecting pipe (2) is communicated with the connecting assembly (3), a plurality of clamping blocks (32) are fixedly installed on the outside of the connecting shell (31), and the plurality of clamping blocks (32) are close to the bottom side of the connecting shell (31), a plug hole is formed in the bottom side of the connecting shell (31), a plug pipe (34) is inserted into the connecting shell (31), a fixed ring (35) is fixedly connected to the outside of the plug pipe (34), and the fixed ring (35) is located at the intermediate position of the outside of the plug pipe (34), a plurality of receiving blocks (36) are fixedly connected to the outside of the fixed ring (35), the plurality of receiving blocks (36) are located at the intermediate position of the outside of the fixed ring (35), receiving strips (37) are fixedly installed on both sides of the receiving block (36), a pressing rod (38) is fixedly installed between the two receiving strips (37), and the pressing rod (38) is close to the top end of the receiving strip (37), a pressing spring (39) is arranged in the connecting shell (31), and a rubber ring (311) is arranged at the bottom of the pressing spring (39).
2. The PET test phantom to facilitate perfusion radiopharmaceutical solution of claim 1, wherein: The two sides of the clamping block (32) are provided with a limiting plate (33), and the two limiting plates (33) are fixedly connected to the outside of the connecting shell (31), and the limiting plate (33) is used for limiting the receiving strip (37).
3. The PET test phantom to facilitate perfusion radiotracer solution according to claim 1, wherein: The receiving strip (37) has flexibility, and when the pressing rod (38) between the two receiving strips (37) extrudes the limiting plate (33), the receiving strip (37) deforms, and the receiving strip (37) restores to the original shape when the extrusion is removed.
4. The PET test phantom to facilitate perfusion radiotracer solution according to claim 1, wherein: The top end of the pressing spring (39) is fixedly connected to the inner wall of the connecting shell (31), the top side of the rubber ring (311) is fixedly connected to the bottom end of the pressing spring (39), and the rubber ring (311) is driven by the pressing spring (39) to slide in the connecting shell (31).
5. The PET test phantom to facilitate perfusion radiopharmaceutical solution of claim 1, wherein: The outside of the rubber ring (311) is in sealing contact with the inner wall of the connecting shell (31), and the bottom side of the rubber ring (311) is in sealing contact with the top end of the plug pipe (34).