< 99Mo-< 99mTc > generator
By optimizing the upper and lower structure design of the 99Mo-99mTc generator, the problems of low production efficiency and high modification costs of traditional equipment have been solved, achieving the effect of reducing costs and improving operational convenience in small-scale production.
Patent Information
- Application Number
- CN202422913195.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-28
- Publication Date
- 2025-11-07
- Estimated Expiration
- 2034-11-28
AI Technical Summary
In existing technologies, the problem that is difficult to effectively solve in small-scale production or in customized equipment is that traditional 99Mo-99mTc generators have low production efficiency and high modification costs.
A 99Mo-99mTc generator comprising an upper structure and a lower structure was designed. The upper structure includes an upper housing and a screw cap, while the lower structure includes a lead core housing. By optimizing the structural design and simplifying operation, production costs are reduced.
It has achieved cost reduction in small-scale production while improving production efficiency and ease of operation, thus adapting to the needs of small-scale production and customization.
Smart Images
Figure CN223516819U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to medical isotope generator field, specifically, relate to a 99Mo-99mTc generator. BACKGROUND
[0002] Radiopharmaceuticals are typically packaged in shielded containers to reduce exposure of end users to the radiation generated by the product. Most radiopharmaceuticals have very short half-lives, so the radiation dose rate generated during manufacture and handling of these products can be extremely high for the operators. The packaging container is composed of several components, of which the main component is lead. Lead has a very high density and provides excellent shielding properties for gamma and beta emitting radiopharmaceuticals.
[0003] The internal shielding container structure of the conventional 99Mo-99mTc generator is mainly determined by the internal chromatography column structure, and the chromatography column is responsible for separating and purifying the radioactive isotopes generated by decay. However, with the advancement of technology and the upgrading of production lines, the chromatography column structure of the new production line has changed significantly compared to the past, which not only affects the production efficiency of 99Mo-99mTc, but also puts forward new requirements for the design of the internal shielding container. In order to effectively shield the radiation generated by radioactive substances and protect the operators from radiation damage, a 99Mo-99mTc generator that can control production costs in small-scale production or when the cost of customizing and modifying automated equipment is large has become a problem that needs to be solved by those skilled in the art. SUMMARY
[0004] In order to make up for the above shortcomings, the utility model provides a kind of 99Mo-99mTc generator, to improve the problem of equipment purchase, equipment customization or large cost of modification.
[0005] The utility model is realized as follows: a kind of 99Mo-99mTc generator, comprising
[0006] Upper structure, the upper structure includes upper shell and cooperation handle, the upper shell includes upper cover, the top of the upper cover is limited to rotate and is connected with screw cap, the bottom of the screw cap is provided with chromatography column needle, the chromatography column needle is installed in the inside of the upper cover, the cooperation handle is limited to slide and is connected in the opposite side of the upper cover of the screw cap;
[0007] Lower structure, the lower structure includes lead core shell, the lead core shell includes connecting bottom shell, the outside of the connecting bottom shell is threaded and is connected with connecting ring, the connecting ring is limited to rotate and is connected in the bottom of the upper cover.
[0008] In a preferred technical scheme of the utility model, the middle part of the screw cover is fixedly connected with a guide column below, the two sides and the back of the guide column are fixedly connected with a limiting clamp, the top center position of the upper cover is provided with a mounting hole, the guide column and the limiting clamp are limited to be clamped in the mounting hole.
[0009] In a preferred technical scheme of the utility model, the upper cover is fixedly connected with an upper edge plate at the back of the screw cover, and the height of the upper edge plate is correspondingly arranged with the screw cover.
[0010] In a preferred technical scheme of the utility model, the upper cover is provided with a groove below the screw cover, the color layer column needle is installed in the groove of the upper cover, one side of the bottom of the screw cover is provided with a positioning protrusion, and the top of the upper cover is provided with a limiting groove corresponding to the positioning protrusion on the side away from the screw cover.
[0011] In a preferred technical scheme of the utility model, the matching handle includes a connecting sliding plate, the top of the connecting sliding plate is fixedly connected with a handle, the side of the upper cover away from the color layer column needle is provided with a through hole, the through hole is provided with an inner wall plate, the inner wall plate is fixedly connected with the top of the upper cover, and the connecting sliding plate is limited to slide and insert between the upper cover and the inner wall plate.
[0012] In a preferred technical scheme of the utility model, the connecting sliding plate is arc-shaped, the top of the handle is a semicircular plate, and the two ends of the handle are fixedly connected with the top of the connecting sliding plate.
[0013] In a preferred technical scheme of the utility model, the top of the inner wall plate is provided with a limiting outer edge, a limiting baffle is arranged between the connecting sliding plate and the handle, the top of the limiting baffle corresponds to abut against the limiting outer edge when the connecting sliding plate slides up and down, and the bottom of the limiting baffle corresponds to abut against the top of the opening of the upper cover.
[0014] In a preferred technical scheme of the utility model, the lead core shell further includes a lead shielding body, the lead shielding body is placed in the inside of the connecting bottom shell, a connecting ring is threadedly sleeved on the upper outer circle of the connecting bottom shell, and the top of the connecting ring is limited to be clamped to the bottom of the upper cover.
[0015] In a preferred technical scheme of the utility model, the bottom of the upper cover is fixedly connected with a limiting ring, the inner top of the connecting ring is provided with a stepped edge, the stepped edge is limited to be sleeved with the limiting ring, and the bottom of the limiting ring abuts against the top of the connecting bottom shell.
[0016] In a preferred technical scheme of the utility model, the top of the lead shielding body is inserted with a lead core, the inside of the lead shielding body is provided with a color layer column core, and the color layer column needle is arranged at the top of the lead shielding body.
[0017] The utility model discloses an advantageous effect is: the utility model discloses a 99Mo-99mTc generator through above -mentioned design, gently lifts the handle of generator when using, the handle has certain space according to the top of upper cover at this moment, and the screw cap rotates, and the screw cap is located below the handle when putting down the handle, and the screw cap can be rotated to the original position after use, and the container is recycled, and the method for placing the chromatographic column needle is that manual direct is put into lead shielding body, then the upper cover is covered on the connecting bottom shell, and finally the connecting ring is fixedly connected, and the cost of production is effectively reduced to the small -scale production and the customization demand, and the structure is optimized and the operation is simplified, and the manual assembly is convenient. BRIEF DESCRIPTION OF DRAWINGS
[0018] In order to more clearly illustrate the technical scheme of the embodiment of the utility model, the following will be briefly introduced the drawing needed to be used in the embodiment, should understand, the following drawing only shows some embodiments of the utility model, therefore should not be regarded as the limitation to the range, for ordinary skilled person in the art, under the premise of not paying the creative labor, still can obtain other related drawings according to these drawings.
[0019] Figure 1 It is the overall structure schematic diagram provided by the embodiment of the utility model;
[0020] Figure 2 It is the cross section structure schematic diagram provided by the embodiment of the utility model;
[0021] Figure 3 It is the upper structure cross section structure schematic diagram provided by the embodiment of the utility model;
[0022] Figure 4 It is the lead core shell structure schematic diagram provided by the embodiment of the utility model;
[0023] Figure 5 It is the upper structure exploded structure schematic diagram provided by the embodiment of the utility model.
[0024] In the drawing: 100, upper structure;110, upper shell;111, upper cover;112, screw cap;113, guide column;114, limit card;115, positioning lug;116, mounting hole;117, upper edge plate;118, chromatographic column needle;119, limit ring;120, cooperate handle;121, connecting slide plate;122, handle;123, limit baffle;124, limit outer edge;125, inner wall plate;200, lower structure;210, lead core shell;211, connecting bottom shell;212, connecting ring;213, lead shielding body;214, lead core;215, chromatographic column core. DETAILED DESCRIPTION
[0025] In order to make the purpose, technical scheme and advantages of the utility model embodiment clearer, the technical scheme in the utility model embodiment will be described clearly and completely below in combination with the drawings in the utility model embodiment. Obviously, the described embodiment is part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.
[0026] Referring to Figure 1 and Figure 2 The utility model provides a kind of technical scheme: a kind of 99Mo-99mTc generator, comprising
[0027] Upper structure 100, upper structure 100 includes upper shell 110 and cooperation handle 120, upper shell 110 includes upper cover 111, the top of upper cover 111 is rotationally clamped with screw cap 112, the bottom of screw cap 112 is provided with color layer column needle 118, color layer column needle 118 is installed in the inside of upper cover 111, cooperation handle 120 is limitingly slidably clamped in the opposite side of upper cover 111 of screw cap 112;
[0028] Lower structure 200, lower structure 200 includes lead core shell 210, lead core shell 210 includes connecting bottom shell 211, the outside of connecting bottom shell 211 is threadedly sleeved with connecting ring 212, connecting ring 212 is limitingly rotationally clamped in the bottom of upper cover 111, and the screw connection has good self-locking performance, can effectively prevent the loosening of upper cover 111 and connecting bottom shell 211 caused by transportation jolt, and the screw connection has high mechanical strength and is not easy to deform and fail.
[0029] Referring to Figures 3 to 5 , the middle lower part of screw cap 112 is fixedly connected with guide column 113, the two sides and back of guide column 113 are fixedly connected with limit card 114, the top center position of upper cover 111 is provided with mounting hole 116, guide column 113 and limit card 114 are limitingly clamped in mounting hole 116. Upper cover 111 is fixedly connected with upper edge plate 117 at the back of screw cap 112, and the height of upper edge plate 117 is correspondingly provided with screw cap 112. The lower part of upper cover 111 is provided with recess, color layer column needle 118 is installed in the recess of upper cover 111, the bottom of screw cap 112 is provided with positioning lug 115, and the top of upper cover 111 is provided with limit slot corresponding to positioning lug 115 on the side away from screw cap 112. The space above color layer column needle 118 is opened by rotating screw cap 112, so that the corresponding elution bottle and saline bottle are inserted to facilitate elution.
[0030] The matching handle 120 comprises a connecting slide plate 121, the top of the connecting slide plate 121 is fixedly connected with a handle 122, the upper cover 111 is provided with a through hole on the side away from the color layer column needle 118, the through hole is provided with an inner wall plate 125, the inner wall plate 125 is fixedly connected with the top of the upper cover 111, and the connecting slide plate 121 is limitedly and slidably inserted between the upper cover 111 and the inner wall plate 125. The connecting slide plate 121 is arranged in an arc shape, the top of the handle 122 is a semicircular plate, and the two ends of the handle 122 are fixedly connected with the top of the connecting slide plate 121. The top of the inner wall plate 125 is provided with a limiting outer edge 124, a limiting baffle 123 is arranged between the connecting slide plate 121 and the handle 122, the top of the limiting baffle 123 corresponds to and abuts against the limiting outer edge 124 when the connecting slide plate 121 slides up and down, the bottom of the limiting baffle 123 corresponds to and abuts against the top of the opening of the upper cover 111, the limiting baffle 123 is limited when the handle 122 slides up and down, so that the handle 122 is prevented from derailing.
[0031] The lead core shell 210 further comprises a lead shielding body 213, the lead shielding body 213 is placed in the interior of the connecting bottom shell 211, a connecting ring 212 is threadedly sleeved on the upper outer circle of the connecting bottom shell 211, and the top of the connecting ring 212 is limitingly clamped to the bottom of the upper cover 111. The bottom of the upper cover 111 is fixedly connected with a limiting ring 119, the inner top of the connecting ring 212 is provided with a stepped edge, the stepped edge is limitingly sleeved on the limiting ring 119, and the bottom of the limiting ring 119 abuts against the top of the connecting bottom shell 211. The top of the lead shielding body 213 is inserted with a lead core 214, and the interior of the lead shielding body 213 is provided with a color layer column core 215, the color layer column needle 118 is arranged on the top of the lead shielding body 213, and the color layer column needle 118 and the color layer column core 215 are placed on the upper side and the interior of the lead shielding body 213 by artificial placement.
[0032] Working principle: the handle 122 of the generator is lifted gently, at this time, the handle 122 is spaced apart from the top of the upper cover 111, the screw cap 112 is rotated by 180°, the handle 122 is placed below the screw cap 112, the handle 122 is loosened, the corresponding elution bottle and the salt water bottle are inserted into the groove on the upper cover 111 above the color layer column needle 118 to perform elution, after use, the screw cap 112 can be rotated back to the original position, the container is recycled, and the color layer column needle 118 is placed by being directly placed on the lead shielding body 213 by artificial placement, then the upper cover 111 is covered on the connecting bottom shell 211, and finally the connecting ring 212 is fixedly connected.
[0033] The above only describes preferred embodiments of the present application and is not intended to limit the present application. For those skilled in the art, the present application can be variously changed and modified. Any modification, equivalent replacement, improvement, etc. within the spirit and principle of the present application shall be included in the protection scope of the present application.
Claims
1. A 99Mo-99mTc generator, characterized in that, Comprising The upper structure comprises an upper shell and a matching handle, the upper shell comprises an upper cover, the top of the upper cover is rotationally connected with a screw cap, the bottom of the screw cap is provided with a color layer column needle, the color layer column needle is installed in the inside of the upper cover, and the matching handle is limitingly and slidingly connected with the upper cover opposite to the screw cap; The lower structure comprises a lead core shell, the lead core shell comprises a connecting bottom shell, the outer upper part of the connecting bottom shell is threadedly sleeved with a connecting ring, and the connecting ring is limitingly and rotationally connected with the bottom of the upper cover.
2. A 99Mo-99mTc generator as claimed in claim 1, characterized in that: The middle part of the screw cap is fixedly connected with a guide column, the two sides and the back of the guide column are fixedly connected with a limiting clamp, the top center of the upper cover is provided with a mounting hole, and the guide column and the limiting clamp are limitingly connected in the mounting hole.
3. A 99Mo-99mTc generator as claimed in claim 2, characterized in that: The upper cover is fixedly connected with an upper edge plate at the back of the screw cap, and the height of the upper edge plate corresponds to the screw cap.
4. A 99Mo-99mTc generator as claimed in claim 2, characterized in that: The upper cover is provided with a groove below the screw cap, the color layer column needle is installed in the groove of the upper cover, the bottom of the screw cap is provided with a positioning protrusion, and the top of the upper cover is provided with a limiting groove corresponding to the positioning protrusion.
5. A 99Mo-99mTc generator as claimed in claim 1, characterized in that: The matching handle comprises a connecting sliding plate, the top of the connecting sliding plate is fixedly connected with a handle, the side of the upper cover away from the color layer column needle is provided with a through hole, the through hole is provided with an inner wall plate, the inner wall plate is fixedly connected with the top of the upper cover, and the connecting sliding plate is limitingly and slidingly inserted between the upper cover and the inner wall plate.
6. A 99Mo-99mTc generator as claimed in claim 5, characterized in that: The connecting sliding plate is arc-shaped, the top of the handle is a semicircular plate, and the two ends of the handle are fixedly connected with the top of the connecting sliding plate.
7. A 99Mo-99mTc generator as claimed in claim 5, characterized in that: The top of the inner wall plate is provided with a limiting outer edge, a limiting baffle is arranged between the connecting sliding plate and the handle, the top of the limiting baffle corresponds to and abuts against the limiting outer edge when the connecting sliding plate slides up and down, and the bottom of the limiting baffle corresponds to and abuts against the top of the opening of the upper cover.
8. A 99Mo-99mTc generator as claimed in claim 5, characterized in that: The lead core shell further comprises a lead shielding body, the lead shielding body is placed in the inside of the connecting bottom shell, the outer upper part of the connecting bottom shell is threadedly sleeved with a connecting ring, and the top of the connecting ring is limitingly and rotationally connected with the bottom of the upper cover.
9. A 99Mo-99mTc generator as claimed in claim 8, characterized in that: The bottom of the upper cover is fixedly connected with a limiting ring, the inner top of the connecting ring is provided with a stepped edge, the stepped edge is limitingly sleeved with the limiting ring, and the bottom of the limiting ring abuts against the top of the connecting bottom shell.
10. A 99Mo-99mTc generator as claimed in claim 8, characterized in that: The top of the lead shielding body is inserted with a lead core, the inside of the lead shielding body is provided with a color layer column core, and the color layer column needle is arranged at the top of the lead shielding body.