Germanium-gallium generator device

Abstract

The germanium-gallium generator device comprises an upper shell, a lower shell, a connector fixing cap, a shielding body and a protection column casing, and the protection column casing is arranged in the shielding body. The joint fixing cap is pressed at the upper end of the shielding body; the filler cylinder is arranged in the protection column cylinder, the upper end of the filler cylinder is communicated with a liquid inlet pipe, the lower end of the filler cylinder is communicated with a liquid outlet pipe, and the liquid inlet pipe and the liquid outlet pipe respectively upwards penetrate through the shielding body and are respectively communicated with an inlet and an outlet of the joint fixing cap through the outer joint assembly. And liquid can be conveniently fed and discharged, and can be marked for use. The inlet and the outlet adopt outer joint assemblies, so that the sealing and cleanness of the interiors of the filler barrel, the liquid inlet pipe and the liquid outlet pipe are ensured. The protective column casing plays a role in safety protection in the transferring process, and the shielding body plays a role in radiation shielding for corresponding personnel in the transferring and using processes. Therefore, due to the reasonable structural design, nuclides are reasonably protected in the processes of adsorption, storage and daughter nuclide leaching, so that transportation and use are facilitated.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of radioisotope shielding container design application, concretely relates to a germanium gallium generator device. BACKGROUND

[0002] Radioactive drugs for PET / CT and PET / MR nuclear medicine imaging technology based on play an important role in the diagnosis, follow-up and prognosis of cancer. On this basis, as a positron imaging nuclide 18 F supplement, 68 Ga because of its unique way (parent 68 Ge long half-life, daughter 68 Ga short half-life, can achieve long-term radiochemical equilibrium) compared with 18 F can be used in PET imaging in the edge area hospital without accelerator and radioactive drug distribution center, which can effectively improve the coverage of nuclear medicine screening, and plays an important role in PET clinical research and application. 68 Ga is a positron emitting radionuclide with a half-life of 68 min, which can provide sufficient radioactivity level for high-quality imaging, and has higher labeling effect and is easier to be clinically transformed, so it is an ideal diagnostic nuclide.

[0003] At present, the column filler filled in the filler cylinder adsorbs and stores 68 Ga parent nuclide 68 Ge, a certain concentration of elution solution is injected into it for elution, and the parent nuclide 68 Ge is retained on the column filler, while the daughter nuclide 68Ga is eluted with the elution solution to obtain 68 Ga daughter nuclide solution, which can be used for labeling. Therefore, a germanium gallium generator device needs to be designed and developed, which can be used as a radioisotope shield and play the role of storing parent nuclides and eluting daughter nuclides, and realize the convenience, safety and sterility in the transportation process and elution process. SUMMARY

[0004] In view of the above-mentioned shortcomings of the prior art, the purpose of the present application is to provide a germanium gallium generator device, which can solve the problems of germanium gallium in the transportation and elution process.

[0005] To achieve the above-mentioned purpose and other related purposes, the present application provides a germanium gallium generator device, comprising:

[0006] A shell comprising an upper shell and a lower shell;

[0007] A protection mechanism comprising a shielding body and a protection column, the shielding body being arranged in the lower shell, and the protection column being arranged in the shielding body;

[0008] The joint fixing cap is arranged on the upper end of the shielding body and connected with the upper shell;

[0009] The filler cylinder is arranged in the protection cylinder, the upper end of the filler cylinder is communicated with the liquid inlet pipe and the lower end is communicated with the liquid outlet pipe, the liquid inlet pipe and the liquid outlet pipe respectively penetrate the shielding body upwards and are respectively communicated with the inlet and the outlet of the joint fixing cap through the external joint assembly.

[0010] As one of the embodiments of the utility model, the shielding body is arranged in the lower shell through key groove cooperation and sliding, the shielding body comprises a lower shielding body, an upper shielding body and a shielding cap, the upper shielding body is arranged on the upper end of the lower shielding body through concave-convex cooperation; an axial column cavity is formed on the lower shielding body, the protection cylinder is arranged in the column cavity, and the shielding cap is arranged in the column cavity on the upper end of the protection cylinder.

[0011] As one of the embodiments of the utility model, the upper shielding body is respectively provided with a pipe channel for arranging the liquid inlet pipe and the liquid outlet pipe, one end of each pipe channel is arranged on the lower end surface of the upper shielding body, the other end is arranged on the upper end surface of the upper shielding body, and each pipe channel is in a curved linear shape.

[0012] As one of the embodiments of the utility model, the protection cylinder is respectively provided with a large column hole and a small column hole which are connected in the axial direction, the liquid outlet pipe is inserted into the small column hole, the filler cylinder is inserted into the large column hole, and the two ends of the filler cylinder are respectively communicated with the liquid inlet pipe and the liquid outlet pipe.

[0013] As one of the embodiments of the utility model, the outer circular surface of the shielding cap is provided with a positioning key, the inner wall of the column cavity of the lower shielding body is provided with a positioning groove matched with the positioning key; the lower end of the shielding cap is provided with a mounting cavity, and the upper end of the filler cylinder is limitedly mounted in the mounting cavity through a limiting sleeve.

[0014] As one of the embodiments of the utility model, the outer edge of the joint fixing cap is provided with a flange surface, the flange surface is correspondingly and fixedly connected with the upper end of the lower shell, the outer cylindrical surface of the joint fixing cap is provided with a pair of positioning protrusions, the inner cylindrical surface of the upper shell is provided with a pair of connecting protrusions, the joint fixing cap is arranged on the upper shell, each positioning protrusion is arranged in the groove of the connecting protrusion and connected.

[0015] As one of the embodiments of the utility model, the utility model also comprises a compression ring, the compression ring is sleeved on the upper part of the upper shielding body, the lower end of the compression ring is arranged on the outer edge of the upper shielding body, and the upper end of the compression ring is abutted with the lower end surface of the flange surface.

[0016] As one of the embodiments of the utility model, each external joint assembly comprises a hose joint, a plug and a locking nut, the hose joint is inserted on the inlet or the outlet of the joint fixing cap, one end of the hose joint is fixed through the locking nut corresponding to the inner side of the joint fixing cap, and the other end is threadedly connected with the plug.

[0017] As one of the embodiments of the utility model, the upper portion of the lower shell is provided with a pair of connecting sleeves, and the lifting handle is connected and limitedly installed through the lifting handle connecting cover matched with the connecting sleeves.

[0018] The utility model has at least the following beneficial technical effects:

[0019] (1) The utility model discloses a germanium gallium generator device, which is reasonably designed with the communication positions of the liquid inlet pipe and the liquid outlet pipe with the filler cylinder, so that a certain concentration of the elution solution is injected into the filler cylinder through the liquid inlet pipe for elution, and the parent nuclide 68 Ge is retained on the column filler, and the daughter nuclide 68 Ga is eluted with the elution solution to obtain 68 Ga daughter nuclide solution, 68 The Ga daughter nuclide solution can be discharged through the liquid outlet pipe and used for labeling, realizing clinical transformation.

[0020] (2) The utility model discloses a protective cylinder outside the filler cylinder, and a shielding body outside the protective cylinder, which realizes effective shielding of the radiation dose generated by the parent nuclide 68 Ge and the daughter nuclide 68 Ga in the container, and protects the health of the personnel during the transportation and elution process.

[0021] (3) The utility model discloses that the joint fixing cap is pressed on the upper end of the shielding body, the liquid inlet pipe and the liquid outlet pipe respectively penetrate the shielding body upwards and are communicated with the inlet and outlet of the joint fixing cap through the external joint assembly. The inlet and outlet of the joint fixing cap facilitate 68 Ge solution and hydrochloric acid solution injection, 68 Ga nuclide discharge. At the same time, the external joint assembly is adopted at the inlet and outlet, which guarantees the sealing and cleanliness of the inside of the filler cylinder, the liquid inlet pipe and the liquid outlet pipe, and guarantees the sealing property of the filler cylinder, further guaranteeing the safety of the personnel and the environment. BRIEF DESCRIPTION OF DRAWINGS

[0022] In order to more clearly illustrate the technical scheme of the embodiments of the utility model, the following will briefly introduce the drawings needed to be used in the embodiment description, and obviously, the drawings in the following description are only some embodiments of the utility model, and for the ordinary skilled in the art, other drawings can be obtained according to these drawings without paying creative labor.

[0023] Figure 1 It is a structure schematic view of the germanium gallium generator device in one embodiment of the utility model;

[0024] Figure 2 It is a structure view of the lower shell in one embodiment of the utility model;

[0025] Figure 3The utility model discloses a top view of a germanium gallium generator device in an embodiment of the utility model,

[0026] Figure 4 For Figure 3 The A-A view of,

[0027] Figure 5 For Figure 3 The B-B view of.

[0028] Figure 6 For Figure 5 The partial enlarged view of,

[0029] Figure 7 The installation schematic drawing of shielding cap and protection cylinder in an embodiment of the utility model,

[0030] Figure 8 The structure schematic drawing of shielding cap in an embodiment of the utility model,

[0031] Figure 9 The installation schematic drawing of protection cylinder and filler cylinder in an embodiment of the utility model,

[0032] Figure 10 For Figure 9 The sectional view of.

[0033] Wherein: upper shell 11, connecting boss 111, lower shell 12, connecting sleeve 121, handle connecting cover 122, handle 123, shielding body 21, lower shielding body 211, upper shielding body 212, shielding cap 213, installation cavity 2131, positioning key 2132, protection cylinder 22, big post hole 221, small post hole 222, joint fixing cap 3, flange surface 31, positioning boss 32, filler cylinder 4, liquid inlet pipe 41, liquid outlet pipe 42, external joint assembly 5, hose joint 51, plug 52, locking nut 53, limiting sleeve 6, pressing ring 7. DETAILED DESCRIPTION

[0034] The embodiments of the present application will be described in detail with specific examples. Those skilled in the art can easily understand other advantages and effects of the present application from the content disclosed in the specification. The present application can also be implemented or applied in other different embodiments, and the details in the specification can be modified or changed based on different views and applications without departing from the spirit of the present application. It should be noted that the following embodiments and features in the embodiments can be combined with each other without conflict.

[0035] It should be noted that the drawings provided in the following embodiments only illustrate the basic concept of the present application in a schematic manner, and only the components related to the present application are shown in the drawings, not the number, shape and size of the components when actually implemented, and the type, number and proportion of each component when actually implemented can be arbitrarily changed, and the component layout type can also be more complex.

[0036] Please refer to Figures 1-4 To achieve the above object and other related objects, the utility model provides a kind of germanium gallium generator device, including shell, protection mechanism and joint fixed cap 3, shell includes upper shell 11 and lower shell 12;Protection mechanism includes shield 21 and protection cylinder 22, shield 21 is located in lower shell 12, protection cylinder 22 is located in shield;Joint fixed cap 3 is pressed in the upper end of shield 21, and is connected with upper shell 11;Wherein, filler cylinder 4 is located in protection cylinder 22, the upper end of filler cylinder 4 is communicated with liquid inlet pipe 41, lower end is communicated with liquid outlet pipe 42, liquid inlet pipe 41, liquid outlet pipe 42 respectively penetrates shield 21 upwards, and is communicated with the inlet of joint fixed cap 3 and outlet respectively by external joint assembly 5.

[0037] The above germanium gallium generator device reasonably designs the communication position of liquid inlet pipe 41, liquid outlet pipe 42 and filler cylinder 4 respectively, so that a certain concentration of elution solution is injected into filler cylinder 4 through liquid inlet pipe 41 to elute, parent nuclide 68 Ge is retained on column filler, and daughter nuclide 68 Ga is eluted with elution solution to obtain 68 Ga daughter nuclide solution, 68 Ga daughter nuclide solution can be discharged through liquid outlet pipe 42 and labeled for use, realizing clinical transformation. And shield 21 is arranged outside protection cylinder 22, to protect the parent nuclide 68 Ge and daughter nuclide 68 Ga produce effective shielding of radiation dose, to protect personnel during transport and elution process.

[0038] As one of the embodiments of the utility model, shield 21 is arranged in lower shell 12 by key groove cooperation sliding, shield 21 includes lower shield 211, upper shield 212 and shield cap 213, upper shield 212 is arranged at the upper end of lower shield 211 by concave-convex cooperation;Column cavity is opened in the axial direction of lower shield 211, protection cylinder 22 is arranged in column cavity, and shield cap 213 is cooperatively arranged in the column cavity of the upper end of protection cylinder 22. The shield 21 described above is split type, convenient for accessing protection cylinder 22, and shield 21 and lower shell 12 are cooperatively arranged by key groove sliding, for positioning and installing shield 21.

[0039] It should be noted that the shielding body 21 is made of lead material, and the density of lead can effectively block gamma rays and X-rays at a relatively thin thickness. Lead has good shielding ability for most radioactive particles and radiation types such as gamma rays and X-rays. At the same time, lead material can be conveniently processed into various shapes to meet different shielding needs.

[0040] As one of the embodiments of the utility model, the upper shielding body 212 is respectively provided with a pipe passage for arranging the liquid inlet pipe 41 and the liquid outlet pipe 42, one end of each pipe passage is provided on the lower end face of the upper shielding body 212, and the other end is provided on the upper end face of the upper shielding body 212, and each pipe passage is in a curved linear type.

[0041] It should be noted that the curved linear type of pipe passage design can make the fluid flow more stable, reduce the impact of fluid and pipe wall, thereby reducing the probability of pipe damage and leakage caused by impact force, which can help prevent leakage; at the same time, the temperature, pressure and other factors of the fluid may fluctuate, and the curved pipe passage can better adapt to these changes, avoiding the stress concentration problem caused by straight pipe.

[0042] Please refer to Figures 7-10 As one of the embodiments of the utility model, the axial direction of the protection column barrel 22 is respectively provided with a large column hole 221 and a small column hole 222 which are connected in the bottom, the liquid outlet pipe 42 is inserted into the small column hole 222, the packing barrel 4 is inserted into the large column hole 221, and the two ends of the packing barrel 4 are respectively communicated with the liquid inlet pipe 41 and the liquid outlet pipe 42. It can prevent the packing barrel 4 from rotating. The packing barrel 4 is provided with the liquid outlet pipe 42 and the liquid inlet pipe 41, which realizes the process of going in and out from top to bottom in the elution process, and can effectively obtain the required 68 Ga sub-nucleus solution, 68 The Ga sub-nucleus solution can be discharged through the liquid outlet pipe 42.

[0043] Please refer to Figure 8 As one of the embodiments of the utility model, the outer circular face of the shielding cap 213 is provided with a positioning key 2132, and the inner wall of the column cavity of the lower shielding body 211 is provided with a positioning groove matched with the positioning key 2132; the lower end of the shielding cap 213 is provided with a mounting cavity 2131, and the upper end of the packing barrel 4 is limitedly installed in the mounting cavity 2131 through the limiting sleeve 6. Further, the inner wall of the mounting cavity 2131 is provided with a positioning face on the opposite sides, which corresponds to the plane provided on the outer wall of the limiting sleeve 6, so as to prevent the packing barrel 4 from rotating.

[0044] As one of the embodiments of the utility model, the outer edge of joint fixing cap 3 is equipped with flange face 31, flange face 31 is connected with the upper end of lower shell 12 correspondingly and fixedly, a pair of positioning lugs 32 are equipped on the outer cylindrical surface of joint fixing cap 3, a pair of connecting lugs 111 are equipped on the inner cylindrical surface of upper shell 11, joint fixing cap 3 is covered on upper shell 11, each positioning lug 32 is matched and arranged in the recess of connecting lug 111 and is connected. The connecting mode of lug recess between upper shell 11 and joint fixing cap 3 realizes stable connection and convenient disassembly.

[0045] As one of the embodiments of the utility model, further including compression ring 7, compression ring 7 is sleeved on the upper part of upper shielding body 212, and the lower end of compression ring 7 is pressed on the outer edge of upper shielding body 212, and the upper end of compression ring 7 and the lower end face of flange face 31 abut. For fixing the position of shielding body 21 in lower shell 12.

[0046] Please refer to Figure 5 And Figure 6 As one of the embodiments of the utility model, each external joint assembly 5 includes hose joint 51, plug 52 and locking nut 53, hose joint 51 is inserted on the inlet or outlet of joint fixing cap 3, and one end of hose joint 51 is fixed through locking nut 53 on the inner side of joint fixing cap 3, and the other end is threadedly connected with plug 52.

[0047] It should be noted that external joint assembly 5 realizes effective sealing of the inlet and outlet liquid of germanium gallium generator device, which not only facilitates its transfer, but also prevents leakage during the use of the elution process, protects the environment and personnel safety. Limiting sleeve 6 plays a further role in preventing the rotation of filler cylinder 4, and sealing washers or other sealing assemblies can be arranged in limiting sleeve 6 to further ensure the sealing property of filler cylinder 4.

[0048] As one of the embodiments of the utility model, the upper part of lower shell 12 is equipped with a pair of connecting sleeves 121, and handle 123 is limitingly installed through handle connecting cover 122 matched with connecting sleeve 121.

[0049] It should be noted that one end of handle connecting cover 122 is inserted into connecting sleeve 121, and the other end is provided with a limiting cover, and a pair of sliding grooves are respectively arranged on a pair of handle rods of handle 123, a pair of connecting sleeves 121 are slidingly matched and correspondingly clamped in a pair of sliding grooves of a pair of handle rods, and are limited through the limiting cover. Realize that lower shell 12 is connected with handle 123, which facilitates the transfer of germanium gallium generator device.

[0050] As one of the embodiments of the utility model, the shell is a cylinder, the diameter is 100mm, and the height is 204mm. The filler cylinder 4 is located at the center of the protection cylinder 22. The protection cylinder 22 is located at the center of the shielding body 21. The shielding body 21 is made of lead.

[0051] In summary, the utility model discloses a germanium gallium generator device, the filler cylinder 4 is located in the protection cylinder 22, the protection cylinder 22 is located in the shielding body 21, the joint fixing cap 3 is pressed and arranged at the upper end of the shielding body 21, the upper end of the filler cylinder 4 is communicated with the liquid inlet pipe 41, and the lower end is communicated with the liquid outlet pipe 42, the liquid inlet pipe 41 and the liquid outlet pipe 42 are respectively penetrated upwards through the shielding body 21, and are respectively communicated with the inlet and outlet of the joint fixing cap 3. It can be conveniently 68 Ge solution and hydrochloric acid solution injection, 68 Ga radionuclide discharge, and labeling use, realize clinical transformation. The inlet and outlet are sleeved with the limiting sleeve 6, the limiting sleeve 6 can be provided with sealing washers or other sealing components, so that the sealing and cleanness of the inside of the filler cylinder 4, the liquid inlet pipe 41 and the liquid outlet pipe 42 are guaranteed. The protection cylinder 22 plays a safety protection role in the transportation process, and the shielding body 21 plays a radiation shielding role for the corresponding personnel in the transportation and use processes. Therefore, the reasonable structure design solves the problems of germanium gallium in the transportation and elution processes, so that the germanium gallium radionuclide is reasonably protected in the adsorption, storage and daughter radionuclide elution processes, thereby facilitating transportation and use.

[0052] The above embodiments only exemplarily illustrate the principles and effects of the present application, and are not used to limit the present application. Any person skilled in the art can modify or change the above embodiments without departing from the spirit and scope of the present application. Therefore, all equivalent modifications or changes completed by those skilled in the art without departing from the spirit and technical thought disclosed by the present application should be covered by the claims of the present application.

[0053] In the description herein, many specific details are provided, such as examples of components and / or methods, to provide a thorough understanding of embodiments of the application. Those skilled in the relevant arts, however, will recognize that embodiments of the application can be practiced without one or more of the specific details, or with other devices, systems, assemblies, methods, components, materials, parts, and / or the like. In other instances, well-known structures, materials, or operations are not specifically shown or described in detail in order to avoid obscuring aspects of embodiments of the application.

[0054] References in the specification to "one embodiment," "an embodiment," or "the

[0055] It is also to be understood that one or more of the elements of the drawings shown can also be implemented in a more separated or more integrated manner, or even removed in certain cases, and that the various

[0056] In addition, unless explicitly stated otherwise, any arrows shown in the drawings are to be considered as exemplary, and not limiting. Further, unless specifically stated otherwise, the use of the term "or" in this document generally means "and / or", that is unless the context clearly indicates otherwise. In addition, the combination of components or steps, where contemplated, is also to be considered as having been indicated, where the terms are not clearly seen to provide separate or combined capabilities.

[0057] As used in the description of the application and throughout the claims that follow, unless otherwise indicated the use of "a" or "an" can include one or more than one. Also, as used in the description of the application and throughout the claims that follow, unless otherwise indicated the use of "in" includes "in" and "on."

[0058] The above description of the illustrated embodiments of the application (including what is described in the abstract) is not intended to be exhaustive or to limit the application to the precise forms disclosed. While specific embodiments of, and examples for, the application are described herein for illustrative purposes, various equivalent modifications are possible within the spirit and scope of the application, as those skilled in the relevant art will recognize and appreciate. As indicated, these modifications can be made to the above described embodiments and yet the application will remain within the scope of the application.

[0059] The systems and methods have been described herein in general terms as helpful to an understanding of the details of the application. In addition, various specific details have been set forth in order to provide a general understanding of the overall structure and operation of embodiments of the present application. It will be appreciated, however, that implementations of the present application can be practiced without some or all of the specific details set forth herein, or with other apparatus, systems, assemblies, methods, components, materials, parts and / or the like. In other instances, well known structures, materials, and / or operations have not been shown or described in detail in order to avoid obscuring aspects of the embodiments of the present application.

[0060] Thus, although the present application has been described in reference to specific embodiments thereof, many changes in the details thereof will be suggested to those skilled in the art, and it is intended in the application to encompass all such changes and modifications that fall within the scope of the appended claims. Accordingly, the description is to be construed as limited in scope only as far as is pertinently set forth in the claims.

Claims

1. A germanium gallium generator device, characterized by, The utility model provides a kind of liquid sampling device, including: Shell, the shell includes upper shell (11) and lower shell (12); Shielding body (21) and protection cylinder (22) are included in the shielding body (21) is arranged in the lower shell (12), the protection cylinder (22) is arranged in the shielding body; Joint fixing cap (3) is pressed in the upper end of the shielding body (21), and is connected with the upper shell (11); Wherein, packing cylinder (4) is arranged in the protection cylinder (22), the upper end of the packing cylinder (4) is communicated with liquid inlet pipe (41), lower end is communicated with liquid outlet pipe (42), the liquid inlet pipe (41), the liquid outlet pipe (42) are respectively up through the shielding body (21), and are communicated with the inlet and outlet of the joint fixing cap (3) respectively by external joint assembly (5).

2. The germanium gallium generator device of claim 1, wherein, The shielding body (21) is arranged in the lower shell (12) by key groove cooperation sliding, the shielding body (21) includes lower shielding body (211), upper shielding body (212) and shielding cap (213), the upper shielding body (212) is arranged in the upper end of the lower shielding body (211) by concave-convex cooperation;The axial direction of the lower shielding body (211) is provided with column cavity, the protection cylinder (22) is arranged in the column cavity, the shielding cap (213) is arranged in the column cavity of the upper end of the protection cylinder (22).

3. The germanium gallium generator device of claim 2, wherein, The upper shielding body (212) is respectively provided with pipe passage for arranging the liquid inlet pipe (41), the liquid outlet pipe (42), and one end of each pipe passage is opened in the lower end surface of the upper shielding body (212), the other end is opened in the upper end surface of the upper shielding body (212), and each pipe passage is curved linearly.

4. The germanium gallium generator device of claim 3, wherein, The axial direction of the protection cylinder (22) is respectively provided with large column hole (221) and small column hole (222) that are connected in the bottom, the liquid outlet pipe (42) is inserted in the small column hole (222), the packing cylinder (4) is inserted in the large column hole (221), and the two ends of the packing cylinder (4) are communicated with the liquid inlet pipe (41) and the liquid outlet pipe (42) respectively.

5. The germanium gallium generator device of claim 4, wherein, The outer circular surface of the shielding cap (213) is provided with positioning key (2132), and the inner wall of the column cavity of the lower shielding body (211) is provided with positioning groove matched with the positioning key (2132);The lower end of the shielding cap (213) is provided with mounting cavity (2131), and the upper end of the packing cylinder (4) is limitedly installed in the mounting cavity (2131) by limiting sleeve (6).

6. The germanium gallium generator device of claim 5, wherein, The outer edge of the joint fixing cap (3) is provided with flange surface (31), the flange surface (31) is correspondingly and fixedly connected with the upper end of the lower shell (12), a pair of positioning bosses (32) are arranged on the outer cylindrical surface of the joint fixing cap (3), a pair of connecting bosses (111) are arranged on the inner cylindrical surface of the upper shell (11), the joint fixing cap (3) is arranged on the upper shell (11), and each positioning boss (32) is arranged in the groove of the connecting boss (111) and connected.

7. The germanium gallium generator device of claim 6, wherein, Further comprising a compression ring (7) sleeved on the upper part of the upper shielding body (212), and the lower end of the compression ring (7) is pressed on the outer edge of the upper shielding body (212), and the upper end of the compression ring (7) and the lower end surface of the flange surface (31) abut.

8. The germanium gallium generator device of claim 1 or 7, wherein, Each of the outer joint assemblies (5) comprises a hose joint (51), a plug (52) and a locking nut (53), the hose joint (51) is inserted on the inlet or the outlet of the joint fixing cap (3), and one end of the hose joint (51) inside the joint fixing cap (3) is fixed by the locking nut (53), and the other end is threadedly connected with the plug (52).

9. The germanium gallium generator device of claim 8, wherein, The upper part of the lower shell (12) is provided with a pair of connecting sleeves (121), and the lifting handle (123) is limitingly installed through the lifting handle connecting cover (122) matched with the connecting sleeve (121).

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