Protective device of injector for radiopharmaceuticals

Abstract

The utility model belongs to the technical field of protection of injectors for radiopharmaceuticals, and particularly relates to a protective device of an injector for radiopharmaceuticals, which is detachably mounted outside the injector and comprises a first shell wrapping the periphery of the injector. The first shell is of a hollow cylindrical structure, and the first shell is composed of two semi-cylindrical shells which are connected together in a hinged mode. A second shell is installed on a push rod pressing head of the injector in a wrapping mode, the top end of the second shell penetrates out of the first shell, and a positioning cap is installed at the top end of the second shell. The protective device of the injector for the radiopharmaceuticals can prevent radioactive contamination and reduce radiation exposure.

Description

Technical Field

[0001] The utility model belongs to the technical field of protection of syringes for radioactive drugs, and in particular relates to a protection device for syringes for radioactive drugs. Background Art

[0002] Radioactive drugs will release radiation during the injection process. If medical staff do not take appropriate protective measures, they may be directly exposed to radiation, and long-term accumulation may lead to health problems. And when injecting radioactive drugs, if protective operations are not performed, it may cause drug leakage or contamination, thereby causing unnecessary harm to the patient. Therefore, whether a protective device for radioactive drug syringes can be provided to reduce radiation exposure and avoid contamination is a technical problem that needs to be solved by the utility model. Utility Model Content

[0003] In order to solve the above technical problems, the utility model provides a protective device for a syringe for radioactive drugs, which can prevent radioactive contamination and reduce radiation exposure.

[0004] The utility model discloses a protective device for a syringe for radioactive drugs, the protective device being detachably mounted on the outside of the syringe, the protective device comprising a first shell wrapped around the periphery of the syringe, the first shell being a hollow cylindrical structure, and the first shell being composed of two semi-cylindrical shells hingedly connected together; a second shell being wrapped around the push rod pressure head of the syringe, the top end of the second shell passing through the first shell, and a positioning cap being mounted on the top end of the second shell.

[0005] Optimally, a plurality of limiting strips are provided on the opening edge of a semi-cylindrical shell of the first shell, a plurality of sub-buckles are installed on the opening edge of the other semi-cylindrical shell of the first shell, and a plurality of limiting strips are respectively installed with female buckles, and the two semi-cylindrical shells of the first shell are closed and fixed by limiting the female buckles on the sub-buckles.

[0006] Optimally, a plurality of protrusions are arranged in the first shell; after the syringe is placed in the first shell, the bottoms of the plurality of protrusions are in contact with the top edge of the syringe barrel of the syringe.

[0007] Optimally, a liquid outlet hole is provided at the bottom of the first shell, and the needle of the syringe passes through the liquid outlet hole.

[0008] Optimally, the second shell includes two semicircular limiting plates with the same structure, and the outer bottoms of the two semicircular limiting plates are both provided with hollow grooves; the two hollow grooves are combined to form a cylindrical groove body, and the push rod pressure head of the syringe is embedded and placed in the cylindrical groove body.

[0009] Optimized, the internal structure of the cylindrical groove body is the same as the push rod pressing head structure of the syringe.

[0010] Optimized, the second housing further includes a cylindrical rod body, which is composed of semi-cylindrical rod bodies symmetrically arranged on the outer tops of the two semi-circular limiting plates; an external thread is provided on the upper part of the cylindrical rod body.

[0011] Optimized, an internal thread is provided on the inner side of the positioning cap, and the positioning cap is threadedly installed at the top end of the cylindrical rod body.

[0012] Optimized, a rod outlet hole is provided at the top end of the first housing, and the cylindrical rod body passes through from the rod outlet hole.

[0013] Optimized, both the first housing and the second housing are made of tungsten alloy material; a transparent observation window is longitudinally provided on the first housing.

[0014] The beneficial effects of the present utility model are as follows:

[0015] Reduce radiation exposure. Radioactive drugs will release radiation during the injection process. The setting of the protection device can effectively reduce the time and dose of medical staff directly exposed to radiation, thereby reducing the health risks that may be brought by long-term radiation exposure;

[0016] A transparent observation window is provided on the first housing, through which the injection dose can be observed to ensure that medical staff can accurately control the dose during the injection process and avoid the occurrence of over-dose or under-dose situations. Description of the Drawings

[0017] Figure 1 is the overall schematic diagram of the present utility model Figure 1 。

[0018] Figure 2 is the sectional perspective schematic diagram of the present utility model.

[0019] Figure 3 is the overall schematic diagram of the present utility model Figure 2 (without the positioning cap installed).

[0020] Reference numerals in the drawings: 1: First housing, 2: Semi-cylindrical housing, 3: Limiting strip, 4: Female buckle, 5: Protrusion, 6: Liquid outlet hole, 7: Second housing, 8: Positioning cap, 9: Semi-circular limiting plate, 10: Cylindrical groove body, 11: Push rod pressing head, 12: Cylindrical rod body, 13: Semi-cylindrical rod body, 14: Rod outlet hole, 15: Transparent observation window. Detailed Description of the Invention

[0021] To further elaborate on the technical means and effects adopted by the present utility model to achieve the predetermined purpose, the following, in conjunction with the accompanying drawings and preferred embodiments, details the specific implementation manners, structures, features and their effects of the present utility model as follows.

[0022] It should be noted that the terms "first", "second", etc. in the specification and claims of the present application are used to distinguish similar objects, rather than to describe a specific order or sequence. It should be understood that such terms can be interchanged under appropriate circumstances.

[0023] It should be noted that in the present application, unless otherwise stated, the orientation terms such as "upper", "lower", "top", "bottom" are usually in reference to the direction shown in the drawings, or in reference to the vertical, perpendicular or gravitational direction of the component itself; similarly, for the sake of easy understanding and description, "inner" and "outer" refer to the inner and outer of the contour of each component itself, but the above orientation terms are not used to limit the present utility model.

[0024] Embodiment: As Figures 1-3 shown, a protective device for a syringe for radioactive drugs, the protective device is detachably installed outside the syringe. This setting enables the first housing 1 to be disassembled and assembled on multiple syringes. Compared with disposable consumables, it has a higher use value and saves costs.

[0025] The protective device includes a first housing 1 that is wrapped around the periphery of the syringe. The first housing 1 is a hollow cylindrical structure, and the first housing 1 is composed of two semi-cylindrical housings 2 that are hinged together.

[0026] Three limit strips 3 are provided on the opening edge of one semi-cylindrical housing 2 of the first housing 1. The limit strips 3 can be connecting strips made of a metal fiber radiation-proof fabric. Three sub-buttons are installed on the opening edge of the other semi-cylindrical housing 2 of the first housing 1. Female buttons 4 are respectively installed on the three limit strips 3. By limiting the female buttons 4 on the sub-buttons, the two semi-cylindrical housings 2 of the first housing 1 can be closed and fixed.

[0027] Two convex blocks 5 are provided inside the first housing 1. After the syringe is placed inside the first housing 1, the bottoms of the two convex blocks 5 are in contact with the top edge of the syringe barrel of the syringe. The convex blocks 5 can longitudinally limit the syringe barrel of the syringe at this position to prevent it from tilting during use. A liquid outlet hole 6 is opened at the bottom of the first housing 1, and the needle of the syringe passes through the liquid outlet hole 6.

[0028] A second housing 7 is wrapped and installed on the push rod head 11 of the syringe, and the top end of the second housing 7 passes through the first housing 1, and a positioning cap 8 is installed at the top end of the second housing 7.

[0029] Specifically, the second housing 7 includes two semi-circular limiting plates 9 with the same structure. Hollow grooves are provided at the outer bottoms of the two semi-circular limiting plates 9. After installation, the two hollow grooves are combined into a cylindrical groove body 10, and the push rod head 11 of the syringe is placed therein in an embedded manner. Among them, the internal structure of the cylindrical groove body 10 is the same as that of the push rod head 11 of the syringe, so that the push rod head 11 is exactly surrounded by the cylindrical groove body 10, ensuring the firmness of the contact between the second housing 7 and the push rod head 11.

[0030] The second housing 7 further includes a cylindrical rod body 12, and the cylindrical rod body 12 is composed of two semi-cylindrical rod bodies 13 symmetrically arranged at the outer tops of the two semi-circular limiting plates 9.

[0031] External threads are provided on the upper part of the cylindrical rod body 12. Internal threads are provided on the inner side of the positioning cap 8, and the positioning cap 8 is threadedly installed at the top end of the cylindrical rod body 12.

[0032] A rod outlet hole 14 is provided at the top end of the first housing 1, and the cylindrical rod body 12 passes through from the rod outlet hole 14.

[0033] Both the first housing 1 and the second housing 7 are made of tungsten alloy material, and tungsten alloy has a radiation protection effect. A transparent observation window 15 is longitudinally provided on the first housing 1, and the remaining amount of the internal liquid medicine can be observed in real time during the injection and suction of the liquid.

[0034] The specific usage method of the present utility model is as follows:

[0035] Unfasten multiple mother-son buckles 4. First, place the push rod head 11 of the syringe on the second housing 7 in an embedded manner, and then tighten the positioning cap 8 at the top end of the cylindrical rod body 12 of the second housing 7. Place the syringe with the second housing 7 on the open first housing 1, ensuring that during the placement process, the cylindrical rod body 12 passes through from the rod outlet hole 14, and the bottom of the convex block 5 contacts the top edge of the syringe barrel of the syringe. Then close the first housing 1 and fasten the mother-son buckles 4. During use, by pushing and pulling the positioning cap 8, the push rod of the syringe can be indirectly driven to push and pull, thereby realizing operations such as injection or liquid suction.

[0036] The above are only the preferred embodiments of the present utility model, and do not impose any formal restrictions on the present utility model. Although the present utility model has been disclosed above with the preferred embodiments, it is not intended to limit the present utility model. Any person skilled in the art can make some changes or modifications to equivalent embodiments by using the disclosed technical content within the scope of the technical solution of the present utility model. However, as long as it does not depart from the content of the technical solution of the present utility model, any brief modifications, equivalent changes and modifications made to the above embodiments based on the technical essence of the present utility model still fall within the scope of the technical solution of the present utility model.

Claims

1. A protective device for a syringe for radioactive drugs, wherein the protective device can be detachably mounted on the outside of the syringe, characterized in that: The protective device includes a first shell wrapped around the periphery of the syringe, the first shell is a hollow cylindrical structure, and the first shell is composed of two semi-cylindrical shells hingedly connected together; a second shell is wrapped and installed on the push rod pressure head of the syringe, the top end of the second shell passes through the first shell, and a positioning cap is installed on the top end of the second shell.

2. A protective device for a radioactive drug syringe according to claim 1, characterized in that: A plurality of limiting strips are arranged on the opening edge of one semi-cylindrical shell of the first shell, a plurality of sub-buckles are installed on the opening edge of the other semi-cylindrical shell of the first shell, and a plurality of female buckles are installed on the plurality of limiting strips respectively, and the two semi-cylindrical shells of the first shell are closed and fixed by limiting the female buckles on the sub-buckles.

3. A protective device for a radioactive drug syringe according to claim 2, characterized in that: A plurality of protrusions are arranged in the first shell; after the syringe is placed in the first shell, the bottoms of the plurality of protrusions are in contact with the top edge of the syringe barrel of the syringe.

4. A protective device for a radioactive drug syringe according to claim 3, characterized in that: A liquid outlet hole is provided at the bottom of the first shell, and the needle of the syringe passes through the liquid outlet hole.

5. A protective device for a radioactive drug syringe according to claim 4, characterized in that: The second shell includes two semicircular limiting plates with the same structure, and the outer bottoms of the two semicircular limiting plates are both provided with hollow grooves; the two hollow grooves are combined to form a cylindrical groove body, and the push rod pressure head of the syringe is embedded and placed in the cylindrical groove body.

6. A protective device for a radioactive drug syringe according to claim 5, characterized in that: The internal structure of the cylindrical tank is the same as the push rod pressure head structure of the syringe.

7. A protective device for a radioactive drug syringe according to claim 6, characterized in that: The second shell also includes a cylindrical rod body, which is composed of semi-cylindrical rod bodies symmetrically arranged on the outer tops of the two semi-circular limiting plates; the upper part of the cylindrical rod body is provided with an external thread.

8. A protective device for a radioactive drug syringe according to claim 7, characterized in that: An internal thread is arranged on the inner side of the positioning cap, and the positioning cap is threadedly mounted on the top end of the cylindrical rod body.

9. A protective device for a radioactive drug syringe according to claim 8, characterized in that: A rod outlet hole is provided at the top end of the first shell, and the cylindrical rod body passes through the rod outlet hole.

10. A protective device for a radioactive drug syringe according to claim 9, characterized in that: The first shell and the second shell are both made of tungsten alloy; a transparent observation window is longitudinally opened on the first shell.

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