Protective device for operation of strontium-90 applicator

Abstract

The utility model discloses a protective device for operation of a strontium-90 applicator. The protective device comprises a tank body and a tank cover, a lower fixing block and an upper fixing block are arranged in the tank body from bottom to top; a big-end-up stepped groove is formed in the middle of the lower fixing block, a first U-shaped groove with an upward opening is formed in a lower groove hole of the stepped groove, a second U-shaped groove with an upward opening is formed in a groove hole of the first U-shaped groove, a groove hole of the second U-shaped groove serves as a source body containing groove, and an upper groove hole of the stepped groove serves as a protection disc containing groove; the atomic number of a material selected by the first U-shaped groove is greater than that of a material selected by the second U-shaped groove; a handle placing hole is formed in the middle of the upper fixing block. The protection device is compact in design and high in radiation shielding capacity, the application source can be placed in the protection disc after being assembled with the handle and the protection disc, the application source does not need to be assembled after being applied, clinical operation and use are facilitated, the abrasion risk is reduced, and the radiation dosage of medical staff is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of nuclear medical protection, in particular to a protective device for operating a strontium-90 applicator. Background Art

[0002] Currently, nuclear medicine strontium-90 applicators lack dedicated protective canisters for handling. Most use strontium-90 applicator transport canisters for protection. During operation, the transport canister must be opened, the applicator source removed, and the handle and protective disc assembled. This assembly process wears the source's threaded mechanism, causing permanent damage and shortening the applicator's lifespan. There's also the risk of accidental drops, potentially damaging the source. Furthermore, the assembly process can increase medical personnel's radiation exposure. Furthermore, other protective canisters are extremely heavy and difficult to operate. Utility Model Content

[0003] In view of the deficiencies in the prior art, the utility model provides a special operating protective device (protective tank or protective box) for a strontium-90 applicator.

[0004] The utility model discloses a protective device for operating a strontium-90 applicator, comprising: a tank body and a tank cover;

[0005] A lower fixing block and an upper fixing block are placed in the tank from bottom to top;

[0006] A stepped groove with a larger upper portion and a smaller lower portion is provided in the middle of the lower fixed block; a first U-shaped groove with an upward opening is placed in the lower groove hole of the stepped groove; a second U-shaped groove with an upward opening is placed in the groove hole of the first U-shaped groove; the groove hole of the second U-shaped groove serves as a source placement groove; the upper groove hole of the stepped groove serves as a protective plate placement groove; the atomic number of the material selected for the first U-shaped groove is greater than the atomic number of the material selected for the second U-shaped groove;

[0007] A handle placement hole is provided in the middle of the upper fixing block.

[0008] As a further improvement of the present invention, the tank body and the tank cover have a radiation protection function, one end of the tank cover is hinged to the tank body, and the other end is fixed to the tank body through a double lock structure; further, the tank body and the tank cover are made of stainless steel, stainless steel wrapped with lead, or tungsten steel, with a lead equivalent of 5-10mm and a wall thickness of 5-10mm.

[0009] As a further improvement of the present invention, identification information, such as a radioactive label, radioactive source information (source number, country code, production date, etc.), custodian information, is engraved, welded or bonded on the tank body and the tank cover, or a fixed position for a radioactive source coding card is left to facilitate the verification of the radioactive source.

[0010] As a further improvement of the present invention, the lower fixing block is a fixing block made of a lightweight material, and the material used is aluminum alloy, organic glass or lightweight wood.

[0011] As a further improvement of the present invention, the first U-shaped groove is flush with the top of the second U-shaped groove, the first U-shaped groove is made of lead or tungsten steel, and the second U-shaped groove is made of aluminum alloy, organic glass or light wood.

[0012] As a further improvement of the present invention, the source body placement slot is used to place the patch source, the slot width of the source body placement slot is 0.5-1mm wider than the patch source, and a layer of soft pad is placed between the patch source and the slot hole of the source body placement slot.

[0013] As a further improvement of the present invention, the protective plate placement groove is used to place the protective plate, and the slot width of the protective plate placement groove is 0.5-1 mm wider than the protective plate.

[0014] As a further improvement of the present invention, the upper fixing block is a light material fixing block, and the material used is aluminum alloy, organic glass or light wood; a handle is provided on the top of the upper fixing block.

[0015] As a further improvement of the present invention, the handle placement hole is used to place the handle, and the diameter of the handle placement hole is 1-2 mm larger than the maximum diameter of the handle.

[0016] Compared with the prior art, the beneficial effects of the present invention are:

[0017] The protective device of the utility model is compact in design and has strong radiation shielding capability. The application source can be assembled with the handle and the protective plate and placed therein, without the need for further assembly after the application source is applied. This facilitates clinical operation and use, reduces the risk of wear and tear, and reduces the radiation dose of medical staff. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 The utility model discloses a schematic diagram of the structure of the protective device for operating the strontium-90 applicator.

[0019] In the picture:

[0020] 1. Tank body; 2. Tank cover; 3. Lower fixing block; 4. First U-shaped groove; 5. Second U-shaped groove; 6. Source body placement groove; 7. Protective plate placement groove; 8. Upper fixing block; 9. Handle placement hole. DETAILED DESCRIPTION

[0021] To make the purpose, technical solutions, and advantages of the embodiments of the present invention more clear, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the embodiments described are part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts shall fall within the scope of protection of the present invention.

[0022] The present invention is described in further detail below with reference to the accompanying drawings:

[0023] like Figure 1 As shown, the utility model provides a protective device for operating a strontium-90 applicator, comprising: a tank body 1, a tank cover 2, a lower fixing block 3, a first U-shaped groove 4, a second U-shaped groove 5 and an upper fixing block 8; wherein,

[0024] The tank cover 2 is snapped onto the tank body 1 to form a closed radiation protection cavity; preferably, one end of the tank cover 2 is hinged to the tank body 1 by multiple hinges, and the other end is fixed to the tank body 1 by a double lock structure. The materials of the tank body 1 and the tank cover 2 are stainless steel, stainless steel coated with lead, and tungsten steel, with a lead equivalent of 5-10mm and a wall thickness of 5-10mm. Identification information such as radioactive identification, radiation source information (source number, country code, production date, etc.), custodian information, etc., are engraved, welded or bonded on the tank body 1 and the tank cover 2, or a fixed position for a radiation source coding card is reserved to facilitate radiation source verification. Furthermore, from the outside, the tank body 1 is a cube or a cylinder.

[0025] A lower fixing block 3 and an upper fixing block 8 are placed from bottom to top within the radiation shielding cavity of the tank body 1, with the upper fixing block 8 being no higher than the height of the radiation shielding cavity. A stepped groove, larger at the top and smaller at the bottom, is provided in the middle of the lower fixing block 3. A first, upward-opening U-shaped groove 4 is placed within the lower slot of the stepped groove. A second, upward-opening U-shaped groove 5 is placed within the slot of the first U-shaped groove 4. The slot of the second U-shaped groove 5 serves as a source placement slot 6, while the upper slot of the stepped groove serves as a shield placement slot 7. The atomic number of the material selected for the first U-shaped groove 4 is greater than that of the material selected for the second U-shaped groove 5. A handle placement hole 9 is provided in the middle of the upper fixing block 8.

[0026] Specifically:

[0027] The lower fixing block 3 is a lightweight fixing block made of aluminum alloy, plexiglass, or lightweight wood. The tops of the first U-shaped groove 4 and the second U-shaped groove 5 are flush. The first U-shaped groove 4 is made of a heavy atomic number material such as lead or tungsten steel to shield against bremsstrahlung radiation. The second U-shaped groove 5 is made of a light atomic number material such as aluminum alloy, plexiglass, or lightweight wood, with a wall thickness of 5mm to fully absorb beta rays. The source placement groove 6 is used to accommodate the application source. The slot width of the source placement groove 6 is 0.5-1mm wider than the application source. For example, if the application source measures 30*30*8mm, the slot size is 31*31*9mm. A soft pad, such as non-woven fabric, sponge, silicone pad, or rubber pad, is placed at the bottom of the source placement groove to prevent damage to the source window of the application source. The design of the first U-shaped groove 4 and the second U-shaped groove 5 fully protects the source, reduces the use of shielding materials, and reduces weight.

[0028] The protective plate placement groove 7 is used to place the protective plate. The slot width of the protective plate placement groove 7 is 0.5-1mm wider than the protective plate. If the disc is φ100*12mm, the slot body size is φ101*13mm.

[0029] Upper fixing block 8 secures the assembled applicator (comprising the application source, protective plate, and handle). Handle placement hole 9 accommodates the handle, which has a diameter 1-2 mm larger than the maximum handle diameter. Upper fixing block 8 is lightweight, made of aluminum alloy, plexiglass, or lightweight wood. A handle is located on top for easy removal.

[0030] The assembly method of the utility model is:

[0031] Open the tank cover 2, place the lower fixing block 3 in the tank body 1, and place them in the first U-shaped groove 4 and the second U-shaped groove 5 in sequence, and place a layer of soft cushion on the slot hole of the source body placement slot 6; assemble the application source, protective plate and handle, and place the assembled applicator with the application source facing down in the source body placement slot 6, and the protective plate is placed in the protective plate placement slot 7 accordingly; pass the handle placement hole 9 of the upper fixing block 8 through the handle of the applicator, so that the upper fixing block 8 is placed on the lower fixing block 3; cover the tank cover 2 to complete the assembly.

[0032] The removal method of the present invention is:

[0033] Open the can lid 2, take out the upper fixing block 8, and take out the assembled applicator for use.

[0034] The advantages of the utility model are:

[0035] The protective device of the utility model is compact in design and has strong radiation shielding capability. The application source can be assembled with the handle and the protective plate and placed therein, without the need for further assembly after the application source is applied. This facilitates clinical operation and use, reduces the risk of wear and tear, and reduces the radiation dose of medical staff.

[0036] The above are merely preferred embodiments of the present invention and are not intended to limit the present invention. Those skilled in the art will readily appreciate that the present invention is susceptible to various modifications and variations. Any modifications, equivalent substitutions, or improvements made within the spirit and principles of the present invention shall be included within the scope of protection of the present invention.

Claims

1. A protective device for operating a strontium-90 applicator, characterized in that: include: Tank body and lid; A lower fixing block and an upper fixing block are placed in the tank from bottom to top; A stepped groove with a larger upper portion and a smaller lower portion is provided in the middle of the lower fixed block; a first U-shaped groove with an upward opening is placed in the lower groove hole of the stepped groove; a second U-shaped groove with an upward opening is placed in the groove hole of the first U-shaped groove; the groove hole of the second U-shaped groove serves as a source placement groove; the upper groove hole of the stepped groove serves as a protective plate placement groove; the atomic number of the material selected for the first U-shaped groove is greater than the atomic number of the material selected for the second U-shaped groove; A handle placement hole is provided in the middle of the upper fixing block.

2. The protective device for operating a strontium-90 applicator according to claim 1, wherein: The tank body and the tank cover have radiation protection functions. One end of the tank cover is hinged to the tank body, and the other end is fixed to the tank body through a double-locking structure.

3. The protective device for operating a strontium-90 applicator according to claim 1, wherein: Identification information is engraved, welded or bonded on the tank body and the tank cover.

4. The protective device for operating a strontium-90 applicator according to claim 1, wherein: The lower fixing block is a light material fixing block, and the material adopted is aluminum alloy, organic glass or light wood.

5. The protective device for operating a strontium-90 applicator according to claim 1, wherein: The first U-shaped groove is flush with the top of the second U-shaped groove. The first U-shaped groove is made of lead or tungsten steel, and the second U-shaped groove is made of aluminum alloy, organic glass or light wood.

6. The protective device for operating a strontium-90 applicator according to claim 1, wherein: The source placement slot is used to place the patch source. The slot width of the source placement slot is 0.5-1 mm wider than the patch source. A layer of soft pad is placed between the patch source and the slot of the source placement slot.

7. The protective device for operating a strontium-90 applicator according to claim 1, wherein: The protective plate placement groove is used to place the protective plate, and the slot width of the protective plate placement groove is 0.5-1mm wider than the protective plate.

8. The protective device for operating a strontium-90 applicator according to claim 1, wherein: The upper fixing block is a light material fixing block, and the material adopted is aluminum alloy, organic glass or light wood; a handle is provided on the top of the upper fixing block.

9. The protective device for operating a strontium-90 applicator according to claim 1, wherein: The handle placement hole is used to place the handle, and the diameter of the handle placement hole is 1-2 mm larger than the maximum diameter of the handle.

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