Improved radioactive activity counting and lifting bucket

Abstract

The utility model relates to an improved radioactive activity counting and lifting bucket which comprises a handheld transverse partition plate, a middle partition plate, a bottom support and a connecting rod, the handheld transverse partition plate is installed at the upper end of the connecting rod, the bottom support is installed at the lower end of the connecting rod, and the middle partition plate is installed in the middle of the connecting rod and located between the handheld transverse partition plate and the bottom support. The placing hole is positioned right above the bottom support; the improved radioactive activity counting and lifting bucket further comprises an injector positioning sleeve, the injector positioning sleeve comprises a supporting plate and a positioning sleeve, the upper end of the positioning sleeve is connected with the supporting plate, and a positioning opening communicated with the upper end of the positioning sleeve is formed in the supporting plate. The supporting plate is arranged on the middle partition plate, and the positioning sleeves are arranged on the inner sides of the containing holes in a sleeving mode. According to the improved radioactive activity counting and lifting bucket, the position of an injector containing radioactive liquid medicine on the middle partition plate can be more stable, the situation that the injector shakes or inclines is prevented, the medicine dosage measurement error can be effectively reduced, and radioactive medicine pollution is prevented.

Description

Technical Field

[0001] This utility model relates to the field of medical device technology, specifically to a modified radioactivity meter lifting bucket. Background Technology

[0002] Radioactivity meters are intelligent, precision measuring instruments used in nuclear medicine. They employ advanced integrated circuits to provide high speed, accuracy, and other performance characteristics required for measuring activity levels and pre-dose measurements. The radioactivity meter is stored in a lead-protected operating box. The radioactivity meter bucket is a common accessory for radiodosimeters, and operators use it through a hand access hole in the operating box. When using the radioactivity meter bucket, operators typically place a syringe containing radioactive material into the bucket, and then place the bucket and the radioactive material together in the measuring well for measurement. However, traditional radioactivity meter buckets are relatively long and slender, requiring manual handling for stability. Furthermore, simultaneously lifting the bucket and placing the syringe to measure radioactivity presents difficulties for both hands. The bucket is also prone to detaching and cracking the diaphragm when being returned to its original position. The diaphragm in the bucket can easily jam the delivery tubing, causing blockages in radioactive material transport. The installation and disassembly of tubing during radioactive material production is cumbersome and can easily lead to radioactive material spillage and radioactive contamination. Therefore, traditional radioactivity meter buckets present inconveniences in use.

[0003] To address the aforementioned issues, Chinese utility model patent CN218675311U discloses a novel radioactivity meter bucket, comprising a handheld diaphragm, a middle partition, a base, and a connecting rod. The handheld diaphragm has a connecting hole in its center and a through hole on its side. One end of the connecting rod is fixedly connected to the connecting hole, and the other end passes through the through hole and connects to the inner wall of the base. A rubber ring is attached to the outer wall of the base. The middle partition has a syringe placement hole in its center, and an opening is provided on the side of the middle partition opposite to the through hole. The user inserts the entire bucket into the dosimeter using the handheld diaphragm. Due to the rubber ring on the base, the bucket descends slowly within the dosimeter. The user can then pull out the bucket, raising it to a certain height within the dosimeter. A syringe containing radioactive drug solution can then be placed in the syringe placement hole in the middle partition. Pressing the handheld diaphragm completely submerges the bucket within the dosimeter, allowing for the measurement of the drug's radioactivity within the syringe. However, when the bucket is fully placed inside the dosimeter, the syringe on the middle partition is difficult to position stably through the syringe placement hole in the middle of the partition. The syringe on the middle partition is prone to shaking or tilting, and the lower end of the syringe cannot be placed in the center of the base. This not only increases the error in drug dosage measurement, but also easily causes radioactive drug to spill and contaminate the operating table, measuring bracket and activity meter ionization well, resulting in radioactive drug contamination. Utility Model Content

[0004] The technical problem this invention aims to solve is to provide an improved lifting cup for a radioactivity meter. This improved lifting cup makes the syringe containing radioactive drug solution more stable on the intermediate partition, preventing it from shaking or tilting, effectively reducing drug dosage measurement errors and preventing radioactive drug contamination. The technical solution adopted is as follows:

[0005] An improved radioactivity meter carrying bucket includes a handheld horizontal partition, a middle partition, a base, and a connecting rod. The handheld horizontal partition is installed at the upper end of the connecting rod, the base is installed at the lower end of the connecting rod, and the middle partition is installed in the middle section of the connecting rod between the handheld horizontal partition and the base. The middle partition has a vertically oriented placement hole, which is located directly above the base. The improved radioactivity meter carrying bucket further includes a syringe positioning sleeve, which includes a support plate and a positioning sleeve. The upper end of the positioning sleeve is connected to the support plate, and the support plate has a positioning opening communicating with the upper end of the positioning sleeve. The support plate is positioned on the middle partition, and the upper part of the positioning sleeve is fitted inside the placement hole.

[0006] In use, the user inserts the entire bucket into the dosimeter by holding the diaphragm. The user can then pull out the bucket, raising it to a certain height within the dosimeter, and place the syringe containing the radioactive drug solution into the syringe positioning sleeve on the middle diaphragm (the lower end of the syringe can pass through the positioning opening into the positioning sleeve). This positioning sleeve positions the syringe, making its position on the middle diaphragm more stable and effectively preventing it from shaking or tilting. Then, pressing the diaphragm completely places the entire bucket inside the dosimeter, positioning the lower end of the syringe containing the radioactive drug in the center of the base, which is the optimal position for radioactive drug measurement. This allows for more accurate measurement of the radioactivity of the drug inside the syringe.

[0007] As a preferred embodiment of this utility model, the syringe positioning sleeve is attached to the top surface of the intermediate partition and the inner wall of the placement hole via a sterile transparent adhesive. This allows for convenient and stable fixation of the syringe positioning sleeve to the intermediate partition. Specifically, the syringe positioning sleeve can be made from discarded medical supplies. For example, a 5ml empty syringe can be cut in half, the first half placed in the middle and fixed to the center of the placement hole on the intermediate partition with a sterile transparent adhesive. The adhesive at the center hole can then be cut to allow the 2.5ml syringe needle to pass through. This method is simple to manufacture and reduces production costs.

[0008] As a preferred embodiment of this utility model, a connecting ring is provided on the lower side of the periphery of the positioning opening of the support plate. The connecting ring is located inside the placement hole, and its inner wall has an internal thread. The upper end of the positioning sleeve has an external thread on its outer wall that meshes with the internal thread. The upper end of the positioning sleeve is threadedly connected to the inner side of the connecting ring. Specifically, multiple positioning sleeves with different inner diameters can be equipped for the improved radioactivity meter bucket. The positioning sleeve with the corresponding inner diameter can be replaced according to the specifications and dimensions of the syringe to be fixed. With this structure, the positioning sleeve and the support plate can be detachably connected through the threaded connection between the external thread at the upper end of the positioning sleeve and the internal thread on the inner wall of the connecting ring, so as to facilitate quick replacement of the positioning sleeve with the corresponding inner diameter.

[0009] In a preferred embodiment of this invention, the syringe positioning sleeve is mounted on the intermediate partition via two adjustable connecting components. The two adjustable connecting components are located on the left and right sides of the placement hole, respectively. Each adjustable connecting component includes a strip-shaped through hole, a connecting through hole, an adjusting bolt, and a fixing nut. The strip-shaped through hole is formed in the intermediate partition and extends in the left-right direction. The connecting through hole is formed in the intermediate partition and corresponds to the position of the strip-shaped through hole. The screw of the adjusting bolt passes through the strip-shaped through hole and the connecting through hole in sequence and then engages with the fixing nut. With this structure, the position of the syringe positioning sleeve in the left-right direction can be adjusted via the two adjustable connecting components to ensure that the lower end of the syringe containing the radiopharmaceutical is located in the center of the base. During adjustment, loosen the fixing nuts on the two adjusting bolts, and then adjust the positions of the two adjusting bolts in the corresponding slots (at this time, the screw of the adjusting bolt moves to the left or right relative to the corresponding slot). Adjust the lower end of the syringe to be directly opposite the center of the bottom support. After determining the positions of the two adjusting bolts in the two slots, tighten the fixing nuts on the two adjusting bolts, thereby fixing the syringe positioning sleeve to the middle partition.

[0010] As a preferred embodiment of this utility model, a first connecting hole is provided in the middle of the handheld partition, a second connecting hole is provided on the side of the middle partition, the upper end of the connecting rod is fixedly connected to the first connecting hole, and the other end of the connecting rod passes through the second connecting hole and is connected to the inner wall of the base.

[0011] As a further preferred embodiment of this utility model, a wire guide opening is provided on the side of the intermediate partition plate opposite to the second connecting hole. By providing a wire guide opening on the side of the intermediate partition plate, it is convenient for the drug delivery pipeline to pass through, which is conducive to smooth drug delivery, and also facilitates the installation and disassembly of the drug delivery pipeline, reduces the risk of radioactive drug spraying, and improves the practicality of the bucket.

[0012] As a preferred embodiment of this utility model, a rubber ring is connected to the outer wall of the base. By setting the rubber ring on the outer wall of the base, after the bucket is placed into the dosimeter, the rubber ring will fit against the inner wall of the dosimeter and provide resistance, which can reduce the descent speed of the bucket in the dosimeter, which is conducive to one-handed operation, prevents tipping, and eliminates the need to completely remove the bucket. After the bucket is raised to a certain height in the dosimeter, the syringe can be placed into the syringe positioning sleeve for measurement, reducing the occurrence of accidents.

[0013] As a further preferred embodiment of this utility model, the base is a hollow cylinder without a cover; and an annular groove is provided on the outer side of the base, and the rubber ring is engaged in the annular groove.

[0014] Compared with the prior art, this utility model has the following advantages:

[0015] This improved radioactivity meter holder features a syringe positioning sleeve on the middle partition to securely position the syringe containing the radioactive drug solution, preventing it from shaking or tilting. This ensures that the lower end of the syringe containing the radioactive drug is centered inside the base, making operation simpler and effectively reducing drug dosage measurement errors and preventing radioactive drug contamination. This improves work efficiency and radiation safety protection during operation. Attached Figure Description

[0016] Figure 1 This is a structural schematic diagram of a preferred embodiment of the present invention.

[0017] Figure 2 This is a schematic diagram of the connection and cooperation between the syringe positioning sleeve and the intermediate partition in the preferred embodiment of this utility model, Example 1.

[0018] Figure 3 This is a structural schematic diagram illustrating the connection and cooperation between the syringe positioning sleeve and the intermediate partition in the preferred embodiment of this utility model, Example 2. Detailed Implementation

[0019] Example 1

[0020] like Figure 1 , Figure 2As shown, this improved radioactivity meter bucket includes a handheld diaphragm 1, a middle diaphragm 2, a base 3, a connecting rod 4, and a syringe positioning sleeve 5. The handheld diaphragm 1 is installed on the upper end of the connecting rod 4, the base 3 is installed on the lower end of the connecting rod 4, and the middle diaphragm 2 is installed in the middle section of the connecting rod 4 and is located between the handheld diaphragm 1 and the base 3. The middle diaphragm 2 is provided with a vertically oriented placement hole 201, which is located directly above the base 3. The syringe positioning sleeve 5 includes a support plate 51 and a positioning sleeve 52. The upper end of the positioning sleeve 52 is connected to the support plate 51, and the support plate 51 is provided with a positioning opening 511 that communicates with the upper end of the positioning sleeve 52. The support plate 51 is located on the middle diaphragm 2, and the upper part of the positioning sleeve 52 is fitted inside the placement hole 201.

[0021] In this embodiment, a first connecting hole 101 is provided in the middle of the handheld partition 1, and a second connecting hole 202 is provided on the side of the middle partition 2. One end of the connecting rod 4 is fixedly connected to the first connecting hole 101, and the other end of the connecting rod 4 passes through the second connecting hole 202 and is connected to the inner wall of the base 3.

[0022] In this embodiment, a wire inlet 203 is provided on the side of the intermediate partition 2 opposite to the second connecting hole 202. By providing a wire inlet 203 on the side of the intermediate partition 2, it is convenient for the drug delivery pipeline to pass through, which is conducive to smooth drug delivery, and also facilitates the installation and disassembly of the drug delivery pipeline, reduces the risk of radioactive drug spraying, and improves the practicality of the bucket.

[0023] In this embodiment, the base 3 is a hollow cylinder without a lid; and an annular groove 301 is provided on the outer side of the base 3, with a rubber ring 31 in the annular groove 301. By providing the rubber ring 31 on the outer wall of the base 3, after the bucket is placed into the dosimeter, the rubber ring 31 will fit against the inner wall of the dosimeter and provide resistance, which can reduce the descent speed of the bucket in the dosimeter, which is conducive to one-handed operation, is not easy to tip over, and does not require the bucket to be completely removed. After the bucket is lifted to a certain height in the dosimeter, the syringe can be placed into the placement hole 201 for measurement, reducing the occurrence of accidents.

[0024] In this embodiment, the syringe positioning sleeve 5 is attached to the top surface of the intermediate partition 2 and the inner wall of the placement hole 201 via a sterile transparent adhesive strip 6. This allows the syringe positioning sleeve 5 to be easily fixed on the intermediate partition 2, making its position relatively stable.

[0025] The following is a brief description of how to use this modified radioactivity meter bucket:

[0026] In use, the user holds the diaphragm 1 and places the entire bucket into the dosimeter. The user can pull out the bucket, and after the bucket is raised to a certain height inside the dosimeter, the syringe containing the radioactive drug solution is placed in the syringe positioning sleeve 5 on the middle diaphragm 2 (the lower end of the syringe can pass through the positioning opening 511 through the positioning sleeve 52). The positioning sleeve 52 can be used to position the entire syringe, making the position of the syringe on the middle diaphragm 2 more stable and effectively preventing it from shaking or tilting. Then, the user presses the diaphragm 1 to place the entire bucket completely inside the dosimeter, so that the lower end of the syringe containing the radioactive drug is in the center of the base 3, which is the optimal position for measuring the radioactivity of the drug. This allows for a more accurate measurement of the radioactivity of the drug in the syringe.

[0027] Example 2

[0028] refer to Figure 3 While all other parts are the same as in Embodiment 1, the difference lies in the following: In this embodiment, a connecting ring 53 is provided on the lower side of the periphery of the positioning opening 511 on the support plate 51. The connecting ring 53 is located inside the placement hole 201. The sterile transparent adhesive 6 on the outer wall of the connecting ring 53 is fitted to the inner wall of the placement hole 201. An internal thread 5111 is provided on the inner wall of the connecting ring 53. An external thread 5211 that meshes with the internal thread 5111 is provided on the outer wall of the upper end of the positioning sleeve 52. The upper end of the positioning sleeve 52 is threadedly connected to the inner side of the connecting ring 53. Multiple positioning sleeves 52 with different inner diameters can be equipped for the above-mentioned improved radioactivity meter bucket. The positioning sleeve 52 with the corresponding inner diameter can be replaced according to the specifications and dimensions of the syringe to be fixed. With this structure, the positioning sleeve 52 and the support plate 51 can be detachably connected by the threaded connection between the external thread 5211 at the upper end of the positioning sleeve 52 and the internal thread 5111 on the inner wall of the connecting ring 53, so as to facilitate the quick replacement of the positioning sleeve 52 with the corresponding inner diameter.

[0029] Furthermore, it should be noted that the names of the various parts of the specific embodiments described in this specification may differ. All equivalent or simple variations made to the structure, features, and principles described in this utility model patent concept are included within the protection scope of this utility model patent. Those skilled in the art to which this utility model pertains may make various modifications or additions to the described specific embodiments or use similar methods to replace them, as long as they do not deviate from the structure of this utility model or exceed the scope defined in these claims, they should all fall within the protection scope of this utility model.

Claims

1. An improved radioactivity meter carrying bucket, comprising a handheld horizontal partition, a middle partition, a base, and a connecting rod, wherein the handheld horizontal partition is installed at the upper end of the connecting rod, the base is installed at the lower end of the connecting rod, the middle partition is installed in the middle section of the connecting rod and located between the handheld horizontal partition and the base, and the middle partition is provided with a vertically oriented placement hole, the placement hole being directly above the base; characterized in that: The improved radioactivity meter bucket also includes a syringe positioning sleeve, which includes a support plate and a positioning sleeve. The upper end of the positioning sleeve is connected to the support plate, and the support plate is provided with a positioning opening that communicates with the upper end of the positioning sleeve. The support plate is set on the middle partition plate, and the upper part of the positioning sleeve is fitted inside the placement hole.

2. The improved radioactivity meter bucket according to claim 1, characterized in that: The syringe positioning sleeve is attached to the top surface of the intermediate partition and the inner wall of the placement hole via a sterile transparent adhesive.

3. The improved radioactivity meter bucket according to claim 1, characterized in that: The support plate has a connecting ring on the lower side of the periphery of the positioning opening. The connecting ring is located inside the placement hole and has an internal thread on its inner wall. The upper end of the positioning sleeve has an external thread on its outer wall that meshes with the internal thread. The upper end of the positioning sleeve is threaded to the inner side of the connecting ring.

4. The improved radioactivity meter bucket according to claim 1, characterized in that: The syringe positioning sleeve is mounted on the middle partition plate via two adjustable connecting components. The two adjustable connecting components are located on the left and right sides of the placement hole, respectively. Each adjustable connecting component includes a strip-shaped through hole, a connecting through hole, an adjusting bolt, and a fixing nut. The strip-shaped through hole is opened on the middle partition plate and extends in the left and right direction. The connecting through hole is opened on the middle partition plate and corresponds to the position of the strip-shaped through hole. The screw of the adjusting bolt passes through the strip-shaped through hole and the connecting through hole in sequence and then engages with the fixing nut.

5. A modified radioactivity meter bucket according to any one of claims 1-4, characterized in that: The handheld partition has a first connecting hole in the middle and a second connecting hole on the side of the middle partition. The upper end of the connecting rod is fixedly connected to the first connecting hole, and the other end of the connecting rod passes through the second connecting hole and connects to the inner wall of the base.

6. The improved radioactivity meter bucket according to claim 5, characterized in that: A wire opening is provided on the side of the intermediate partition plate opposite to the second connecting hole.

7. A modified radioactivity meter bucket according to any one of claims 1-4, characterized in that: A rubber ring is attached to the outer wall of the base.

8. The improved radioactivity meter bucket according to claim 7, characterized in that: The base is a hollow cylinder without a cover; and an annular groove is provided on the outer side of the base, and the rubber ring is engaged in the annular groove.

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