An auxiliary device for activity measurement of radioactive samples

Abstract

The utility model discloses a radioactive sample activity measurement auxiliary device, including bottom support, handle body and baffle, bottom support is the hollow cylinder of bottom closed, top open, the lower extreme of handle body is connected with the top of bottom support, still is equipped with handle in the upper extreme, and the inside wall of handle body is equipped with at least one annular groove along the axial direction, the baffle is detachably installed in the annular groove. The utility model discloses a handle body is directly connected in the top of bottom support to improve the convenience of putting the large volume specification penicillin bottle into the bottom support, simultaneously, through setting up multiple annular grooves to use multiple size specifications detachable baffle, not only can satisfy the measuring demand of different volume specification syringe, also conveniently takes the penicillin bottle, effectively promotes the versatility of the utility model device and the flexibility of operation.

Description

Technical Field

[0001] This utility model relates to the field of radiopharmaceutical auxiliary tools, specifically to an auxiliary device for measuring the activity of radioactive samples. Background Technology

[0002] Existing auxiliary devices for measuring the activity of radioactive samples still have significant limitations in terms of structural design and applicability. On the one hand, to meet the increasing clinical demand, radioactive samples are increasingly being produced in larger volumes. In existing devices, the lower end of the handle is fixed to the inner wall of the base. This connection method occupies the effective space inside the base, making it impossible to place large-volume vials (such as those with a diameter exceeding 50 mm) into the base. This design limits the applicability of the device. On the other hand, when testing radioactive samples packaged in syringes, the existing devices have a fixed height for the partition used to place the syringes and a single size for the placement hole. This not only fails to meet the measurement needs of syringes of different volume specifications but also further limits the space between the partition and the base, creating difficulties in placing the vials.

[0003] Therefore, the existing device needs improvement in terms of base space utilization and compatibility with syringes of different sizes, and urgently requires optimization and improvement. Utility Model Content

[0004] This invention provides an auxiliary device for measuring the activity of radioactive samples, which solves the problem that the internal space utilization of the base is limited in the prior art and cannot meet the measurement needs of syringes of different volume specifications.

[0005] To achieve the above objectives, the present invention adopts the following technical solution:

[0006] An auxiliary device for measuring the activity of radioactive samples includes a base, a handle, and a partition.

[0007] The base is a hollow cylinder with a closed bottom and an open top;

[0008] The lower end of the handle is connected to the top end of the base, and the upper end is also provided with a handle. The inner sidewall of the handle is provided with at least one annular groove along the axial direction.

[0009] The partition is detachably installed in the annular groove.

[0010] Furthermore, the number of annular grooves is 1 to 6.

[0011] Furthermore, the number of annular grooves is 2 to 4, and the spacing between adjacent annular grooves ranges from 23 to 137 mm.

[0012] Furthermore, a first magnetic element is embedded in the annular groove, and a second magnetic element is embedded in the edge of the partition. The first magnetic element and the second magnetic element attract each other to achieve detachable installation of the partition.

[0013] Furthermore, at least one of the first magnetic element and the second magnetic element is a magnet; it can be selected from two magnets with opposite magnetic poles; or one of them is a magnetic material and the other is a magnet.

[0014] Furthermore, the partition has a circular placement hole at its center.

[0015] Furthermore, the diameter of the placement hole ranges from 9 to 27 mm.

[0016] Furthermore, the partition has an opening at its edge.

[0017] Furthermore, the opening is arc-shaped and communicates with the placement hole; the width of the opening gradually increases in the direction away from the placement hole.

[0018] Furthermore, the bottom inner surface of the base is provided with a circular groove.

[0019] The beneficial effects of this utility model are:

[0020] 1. By directly connecting the handle to the top of the base, the problem of space limitation caused by placing the handle inside the base in the existing device is solved, which can effectively free up the internal space of the base and improve the convenience of placing large-volume vials into the base.

[0021] 2. By setting multiple annular grooves to be used with detachable partitions of various sizes, it can not only meet the measurement needs of syringes of different sizes, but also facilitate the handling of vials.

[0022] 3. The annular groove and the partition are connected by magnetic adsorption, which can realize the quick disassembly and replacement of the partition and improve the operation efficiency. Attached Figure Description

[0023] To more clearly illustrate the technical solutions of the embodiments of this utility model, the drawings used in the embodiments will be briefly introduced below. It should be understood that the following drawings only show some embodiments of this utility model and should not be regarded as a limitation of the scope. For those skilled in the art, other related drawings can be obtained from these drawings without creative effort.

[0024] Figure 1 This is a schematic diagram of the structure of the auxiliary device for measuring the activity of radioactive samples according to this utility model;

[0025] Figure 2 yes Figure 1 A close-up view of the mid-base support;

[0026] The attached diagram is labeled as follows: 1-handle body, 2-base, 3-partition, 4-handle, 5-circular groove, 6-annular groove, 7-placement hole, 8-opening. Detailed Implementation

[0027] To make the objectives, technical solutions, and advantages of this utility model clearer, the technical solutions of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some, not all, of the embodiments of this utility model. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this utility model. Therefore, the detailed description of the embodiments of this utility model provided below is not intended to limit the scope of the claimed utility model, but merely represents selected embodiments of this utility model.

[0028] like Figure 1 As shown, this utility model provides an auxiliary device for measuring the activity of radioactive samples, mainly comprising a handle 1, a base 2, and a partition 3. The lower end of the handle 1 is connected to the top end of the base 2, and the upper end is also provided with a handle 4, allowing the operator to place and remove the device within the activity meter. The connection between the handle 4, the handle 1, and the base 2 can be achieved by gluing, welding, or integral casting; furthermore, integral casting is preferred to improve structural stability.

[0029] In one embodiment, the height of the handle 1 is preferably 210-240 mm and the width is preferably 25-62 mm; the length of the handle 4 is preferably 20-40 mm and the width is preferably 25-50 mm.

[0030] The base 2 is a hollow cylinder with a closed bottom and an open top, used to hold vials (or ampoules or other sample containers) for testing.

[0031] In one embodiment, the inner diameter of the base 2 is preferably 58-62 mm, and the height is preferably 40-55 mm, so as to accommodate vials with a diameter of less than 62 mm (e.g., volume specifications of 10 mL to 100 mL).

[0032] In one embodiment, the bottom inner surface of the base 2 is provided with a circular groove 5 (e.g., Figure 2 (As shown), it is used to fix the vial. The diameter of the circular groove 5 is preferably 20-30 mm, and the depth is preferably 2-5 mm.

[0033] The inner wall of the handle 1 is provided with at least one annular groove 6 along the axial direction for installing the partition 3, and the groove width is adapted to the thickness of the partition 3. In one embodiment, the thickness of the partition 3 is preferably 3 to 6 mm, and the groove width is preferably 3.1 to 6.5 mm.

[0034] Furthermore, the number of annular grooves 6 is preferably 1 to 6.

[0035] Furthermore, the number of annular grooves 6 is preferably 2 to 4, and the spacing between adjacent annular grooves is preferably 23 to 137 mm.

[0036] In one embodiment, four annular grooves are arranged sequentially from bottom to top along the inner wall of the handle, with the spacing between adjacent annular grooves ranging from 23–25 mm, 25–30 mm, and 30–137 mm from bottom to top. All partitions have the same outer diameter, differing only in the diameter of the placement holes. Specifically, partitions compatible with 2 mL, 10 mL, and 30 mL syringes can be installed in the first three annular grooves near the base. When measuring samples of syringe packaging materials, only one partition of the corresponding size needs to be installed, ensuring that the bottom of the syringe is close to but does not contact the bottom of the base, thus avoiding syringe tilting or sample leakage due to contact and ensuring the accuracy of activity measurement. When measuring samples of vial packaging materials, partitions with openings can be used; the partitions can be installed in any annular groove, and their opening design allows the drug delivery line to pass through while guiding the line arrangement; when multiple partitions are used together, the stability of the drug delivery line arrangement can be further enhanced.

[0037] It should be noted that the spacing between adjacent annular grooves in this device can be adjusted according to actual needs such as syringe specifications, and is not limited to the preferred embodiment of this utility model.

[0038] The partition 3 is detachably attached to the height-fitting annular groove 6. A first magnetic element is embedded in the annular groove 6, and a second magnetic element is embedded in the edge of the partition 3. The first and second magnetic elements attract each other to achieve the detachable installation of the partition 3. The first and second magnetic elements are independently selected from magnets or magnetic materials. Specifically, when the first magnetic element is a magnet, the second magnetic element can be selected from a magnet, and the first and second magnetic elements are selected from two magnets with opposite magnetic poles. When the first magnetic element is a magnet, the second magnetic element can also be selected from magnetic materials. More specifically, the magnet is selected from any one of neodymium iron boron magnets, ferrite magnets, samarium cobalt magnets, or alnico magnets; the magnetic material is selected from any one of low-carbon steel sheets, martensitic stainless steel sheets, or iron gaskets.

[0039] The partition 3 has a circular structure with a circular placement hole 7 in its center for placing syringes for testing. The partition 3 is available in multiple sizes, differing only in the diameter of the placement hole 7, to accommodate standard medical syringes of varying sizes. A larger diameter placement hole 7 corresponds to a larger syringe size and a higher installation height.

[0040] In one or more embodiments, the outer diameter of the partition 3 is preferably 58-62 mm; the diameter of the placement hole 7 is preferably 9-27 mm. Specifically, for syringes with volume specifications of 2 mL, 10 mL and 30 mL, the diameters of the corresponding placement holes 7 are preferably 11 mm, 17 mm and 25 mm, respectively.

[0041] In automated production, radioactive samples need to be transferred to vials via a drug delivery line. During operation, if the drug delivery line shakes or shifts, the vials may tip over, posing a risk of radioactive sample leakage. To address this issue, the device features an opening 8 at the edge of the partition 3 for the drug delivery line to pass through. The opening 8 is arc-shaped, connects to the placement hole 7, and its width gradually increases in the direction away from the placement hole 7, ensuring easy entry and difficult exit for the drug delivery line.

[0042] This utility model device is made of transparent acrylic material, which makes it easy to observe the state of the sample.

[0043] The present invention provides an auxiliary device for measuring the activity of radioactive samples, and the method of using it is as follows:

[0044] 1. Testing using a vial container: Insert the lower end of the drug transfer line into the vial, and place the vial into the base tray 2; the upper end of the drug transfer line enters the placement hole 7 through the opening 8 of the partition 3; slowly lower the device into the activity meter detection chamber using the handle 4, and the radioactive sample is transferred to the vial through the drug transfer line for activity measurement. After the test is completed, remove the device from the activity meter detection chamber, then remove the drug transfer line from the opening 8, and finally remove the vial from the base tray 2.

[0045] 2. Testing using a syringe container: Select a suitable partition 3 according to the syringe volume specifications, and install the partition 3 into the annular groove 6 of appropriate height; fix the syringe containing the radioactive solution onto the placement hole 7, and slowly insert the device into the activity meter detection chamber using the handle 4 to perform activity measurement. After the test is completed, remove the device from the activity meter detection chamber, and then remove the syringe from the placement hole 7.

[0046] The above are merely preferred embodiments of this utility model. It should be noted that the above preferred embodiments should not be considered as limitations on this utility model, and the scope of protection of this utility model should be determined by the scope defined in the claims. For those skilled in the art, several improvements and modifications can be made without departing from the spirit and scope of this utility model, and these improvements and modifications should also be considered within the scope of protection of this utility model.

Claims

1. An auxiliary device for measuring the activity of radioactive samples, comprising a base, a handle, and a partition; characterized in that, The base is a hollow cylinder with a closed bottom and an open top; The lower end of the handle is connected to the top end of the base, and the upper end is also provided with a handle. The inner sidewall of the handle is provided with at least one annular groove along the axial direction. The partition is detachably installed in the annular groove.

2. The apparatus according to claim 1, characterized in that, The number of annular grooves is 1 to 6.

3. The apparatus according to claim 2, characterized in that, The number of annular grooves is 2 to 4, and the spacing between adjacent annular grooves ranges from 23 to 137 mm.

4. The apparatus according to claim 1, characterized in that, A first magnetic element is embedded in the annular groove, and a second magnetic element is embedded in the edge of the partition. The first magnetic element and the second magnetic element attract each other to achieve detachable installation of the partition.

5. The apparatus according to claim 4, characterized in that, At least one of the first magnetic element and the second magnetic element is a magnet; it can be selected from two magnets with opposite magnetic poles; or one of them is a magnetic material and the other is a magnet.

6. The apparatus according to claim 1, characterized in that, The partition has a circular placement hole at its center.

7. The apparatus according to claim 6, characterized in that, The diameter of the placement hole ranges from 9 to 27 mm.

8. The apparatus according to claim 6, characterized in that, The partition has an opening at its edge.

9. The apparatus according to claim 8, characterized in that, The opening is arc-shaped and communicates with the placement hole; the width of the opening gradually increases in the direction away from the placement hole.

10. The apparatus according to claim 1, characterized in that, The bottom inner surface of the base is provided with a circular groove.

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