CN219090819U - Needle cap unlocking and returning device for radiopharmaceutical syringe - Google Patents
Needle cap unlocking and returning device for radiopharmaceutical syringe Download PDFInfo
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- CN219090819U CN219090819U CN202223323674.4U CN202223323674U CN219090819U CN 219090819 U CN219090819 U CN 219090819U CN 202223323674 U CN202223323674 U CN 202223323674U CN 219090819 U CN219090819 U CN 219090819U
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Abstract
The utility model discloses a needle cap uncapping and returning device for a radioactive drug injector, which comprises a container, wherein one surface of the container is provided with a window for the injector to be inserted and moved, and a resisting piece is arranged in the container and used for resisting the needle cap in the process that the injector exits the container so as to detach the needle cap from a needle head for uncapping; the container is also provided with a needle cap fixing groove which is used for accommodating the needle cap kept by the resisting piece, and the cap opening of the needle cap is aligned with the window so as to facilitate the insertion of the syringe through the window and the return of the syringe to the needle cap. The needle cap is not required to be contacted with the needle cap and the needle head by hands in the process of uncapping and uncapping, accidental stabbing can be avoided, the technical problem that a worker needs to hold a radiation protection tank in the process of split charging and injection of radioactive medicaments in the prior art is not required to be avoided, so that the risk of radiation pollution is high is solved, and the beneficial effects of good safety and use and good protection effect are realized.
Description
Technical Field
The application relates to the field of nuclear medicine equipment, in particular to a needle cap unlocking and sleeving device for a radiopharmaceutical syringe.
Background
The radiopharmaceuticals used clinically are compounds or biologics labeled with radionuclides, which are open sources of radiation, which can create radiation exposure risks for professionals during operation.
Radiopharmaceuticals are typically administered intravenously, inhaled or orally, with intravenous being the most common mode of administration. Intravenous injection injects a dose of a liquid radiopharmaceutical into a patient via a syringe. The syringe includes a needle (e.g., a hypodermic needle) for piercing the septum seal of the container and/or the skin of the patient receiving the radiopharmaceutical injection. To prevent accidental needle sticks, the needle of a syringe is typically covered with a protective needle cap that is releasably attached to the syringe.
Needlestick injuries are the most common occupational risk of injection procedures, exposing professionals to infection. Therefore, conventional intravenous injection procedures do not allow for the needle cap to be used back over the syringe needle to reduce the incidence of needle sticks.
However, after intravenous administration of radiopharmaceuticals to patients suffering from thyroid, kidney and the like, professionals need to measure the residual amount of the radiopharmaceuticals in the syringe, thereby precisely calculating the amount of the radiopharmaceuticals injected into the body for quantitatively analyzing the physiological functions of the patients. In addition, when a radiopharmaceutical syringe without a return trocar cap is placed on another item (e.g., within an activity meter or on an examination couch) for measurement, the other item is susceptible to contamination, resulting in environmental contamination. Thus, in these situations, the worker inevitably needs to return the trocar cap.
Disclosure of Invention
In view of this, embodiments of the present application provide a device for unlocking and sleeving a needle cap for placing a radiopharmaceutical syringe, for solving the technical problem in the prior art that the risk of radiation pollution is high due to accidental needle pricks when sleeving the needle cap back to the syringe needle after injection operation.
In order to solve the above problems, an embodiment of the present application provides a needle cap uncapping and returning device for a radiopharmaceutical syringe, where the syringe includes a needle, and the needle cap is releasably sleeved on the needle;
the device comprises a container, wherein a window for the insertion and movement of the syringe is formed in one surface of the container, and a resisting piece is arranged in the container and used for resisting the needle cap in the process that the syringe exits from the container so as to detach the needle cap from the needle head for unlocking;
the container is also internally provided with a needle cap fixing groove which is used for accommodating the needle cap kept by the resisting piece, and the cap opening of the needle cap is aligned with the window so as to facilitate the insertion of the syringe through the window and the return of the needle cap.
Furthermore, the container is also provided with a sealing cover for sealing the window, the sealing cover is movably connected with the container, and the container and the sealing cover are both made of radiation-proof materials.
Further, the device also comprises a guide sleeve for guiding the syringe to penetrate into or out of the window, the guide sleeve penetrates through the window, and the guide sleeve is movably arranged so as to translate along the window;
the needle cap retaining groove is movably disposed within the container so as to be aligned with the window such that the guide sleeve and the needle cap retaining groove are translated by the syringe such that the retaining member retains the needle cap when the syringe is withdrawn from the container, such that the needle cap is removable from the needle, and such that the retaining member does not retain the needle cap when the syringe is inserted into the container.
Further, the outer wall surfaces of the guide sleeves are respectively fixed on the inner wall of the container through first elastic pieces so as to allow the guide sleeves to move in the window.
Further, a roller is arranged at the bottom of the needle cap fixing groove, rolls on the inner bottom surface of the container and synchronously moves in cooperation with the guide sleeve;
the outer wall surfaces of the needle cap fixing grooves are respectively fixed on the inner wall of the container through second elastic pieces so as to realize resetting;
when the first elastic piece and the second elastic piece are in a free state, the guide sleeve and the needle cap fixing groove are positioned in the middle of the window, the guide sleeve and the needle cap fixing groove notch are aligned up and down, and the resisting piece does not resist the needle cap; when the first elastic piece and the second elastic piece are in a telescopic state, the guide sleeve and the needle cap fixing groove are positioned on one side of the window, and the resisting piece resists the needle cap.
Further, one end of the resisting piece is fixed on the inner wall surface of the container, and the other end of the resisting piece extends into the container and is positioned at one end of the translational movement track of the guide sleeve.
Further, the retaining member is annular, an outer edge of the retaining member is fixed on an inner wall surface of the container, and an inner edge of the retaining member extends in a direction between the window and a notch of the needle cap fixing groove.
Furthermore, a clamping seat is arranged in the needle cap fixing groove, the clamping seat is provided with a containing cavity for the needle cap to be reversely inserted, and the shape of the containing cavity is at least matched with the part of the needle cap so that the needle cap is embedded and fixed.
Further, the clamping seat is fixed on the bottom of the needle cap fixing groove through a third elastic piece.
Further, a limiting piece protruding to the needle cap fixing groove is arranged on the notch of the needle cap fixing groove and used for limiting the clamping seat in the needle cap fixing groove.
The above-mentioned one or more technical solutions in the embodiments of the present application at least have one or more of the following technical effects:
(1) Before injection, the injector with the needle cap is inserted into the needle cap fixing groove through the window, the needle cap is embedded into the needle cap fixing groove, and then the injector is withdrawn outwards from the vessel, as a gap is reserved between the end face of one end of the needle head fixed on the needle cylinder and the cap opening of the needle cap, the resisting piece can be inserted into the gap and can resist the needle cap in the withdrawal process of the injector, so that the needle cap is propped up and down from the needle head and is reserved in the needle cap fixing groove, and the automatic unlocking of the needle cap is realized; the cap opening of the needle cap which is reserved in the needle cap fixing groove is aligned with the window, the syringe without the needle cap can be directly inserted into the needle cap in the needle cap fixing groove through the window, the needle cap is sleeved back, the needle cap and the needle head are not required to be contacted by hands in the process of the sleeve opening and the sleeve returning, accidental stabbing can be avoided, the problem that tools for holding a radiation protection tank are required in the process of split charging injection operation of radiopharmaceuticals by professionals in the prior art is not required is effectively solved, and therefore the technical problem of high risk of radiation pollution is caused, and the beneficial effects of good safety and use and good protection effect are achieved.
(2) The container and the sealing cover are made of high atomic number materials, so that the radiation protection effect can be achieved, and the safety of a user is protected.
(3) The resisting piece is annular, the resisting area is large, the resisting piece can be ensured to be abutted against the needle cap, and invalid sleeve disassembly is avoided; meanwhile, the shielding material can also play a role in shielding part of radiation.
(4) The face of the annular abutment facing the window is a bevel inclined from the outer edge to the inner edge, which has the effect of guiding the insertion of the syringe.
(5) The clamping seat is fixed on the bottom of the needle cap fixing groove through the third elastic piece, so that impact force of the inserted syringe inserted into the clamping seat can be buffered, and damage to the needle cap caused by too strong force in the process of returning the sleeve is avoided.
(6) The notch of the needle cap fixing groove is provided with a limiting piece protruding towards the needle cap fixing groove, and the limiting piece limits the clamping seat in the needle cap fixing groove, so that the clamping seat can be prevented from being separated from the needle cap fixing groove along with the needle cap.
Drawings
FIG. 1 is a schematic view of a first embodiment of a needle cap release and return sleeve for a radioactive drug syringe;
FIG. 2 is a schematic diagram II of a release and return sleeve structure of a cap for a radioactive drug syringe according to an embodiment of the present utility model;
fig. 3 is a top view of a needle cap uncapping and retracting device for a radioactive drug syringe in accordance with an embodiment of the present utility model.
Detailed Description
According to the embodiment of the application, the needle cap uncapping device for the radioactive drug syringe and the needle cap uncapping device for the radioactive drug syringe are sleeved back, so that the technical problem that the risk of radiation pollution is high due to accidental needle pricking when the needle cap is sleeved back to the syringe needle after injection operation in the prior art is solved.
In order to solve the technical problems, the technical scheme provided by the application has the following overall thought: before injection, the injector with the needle cap is inserted into the needle cap fixing groove through the window, the needle cap is embedded into the needle cap fixing groove, and then the injector is withdrawn outwards from the vessel, as a gap is reserved between the end face of one end of the needle head fixed on the needle cylinder and the cap opening of the needle cap, the resisting piece can be inserted into the gap and can resist the needle cap in the withdrawal process of the injector, so that the needle cap is propped up and down from the needle head and is reserved in the needle cap fixing groove, and the automatic unlocking of the needle cap is realized; the cap opening of the needle cap which is reserved in the needle cap fixing groove is aligned with the window, the syringe without the needle cap can be directly inserted into the needle cap in the needle cap fixing groove through the window, the needle cap is sleeved back, the needle cap and the needle head are not required to be contacted by hands in the process of the sleeve opening and the sleeve returning, accidental stabbing can be avoided, the problem that tools for holding a radiation protection tank are required in the process of split charging injection operation of radiopharmaceuticals by professionals in the prior art is not required is effectively solved, and therefore the technical problem of high risk of radiation pollution is caused, and the beneficial effects of good safety and use and good protection effect are achieved.
The following detailed description of the technical solutions of the present application will be made with reference to the accompanying drawings and specific embodiments, and it should be understood that the specific features of the embodiments and embodiments of the present application are detailed descriptions of the technical solutions of the present application, and not limiting the technical solutions of the present application, and the technical features of the embodiments and embodiments of the present application may be combined with each other without conflict.
The syringe 1 comprises a needle 11, and a needle cap 12 is releasably sleeved outside the needle 11, and can avoid the outflow of medicine in the syringe 1 in a non-injection state. The present embodiments provide a cap uncapping and uncapping device for a radiopharmaceutical syringe for removing or crimping a cap 12 over a needle 11 from a syringe 1 for injecting a radiopharmaceutical in a medical setting (e.g., a hospital), thereby avoiding uncapping or crimping the cap 12 by hand, although the device may be used for other medicinal syringes 1 in other embodiments. The uncoupling means that the needle cap 12 is detached from the needle 11, and the recoiling means that the needle cap 12 is brought back onto the needle 11 after injection.
As shown in fig. 1 to 3, the needle cap uncapping and returning device for the radiopharmaceutical syringe in the embodiment of the present application includes a container 2, a window 23 for inserting and moving one end of a needle 11 of the syringe 1 is provided on the top surface of the container 2, a needle cap fixing groove 6 is provided in the container 2, for accommodating the needle cap 12, and a cap opening of the needle cap 12 is aligned with the window 23;
a blocking member 5 is further arranged in the container 2, and the blocking member 5 is used for blocking the needle cap 12 during the process of withdrawing the syringe 1 from the container 2; the syringe 1 with the needle cap 12 is inserted into the needle cap fixing groove 6 through the window 23, the needle cap 12 is embedded into the needle cap fixing groove 6, and the resisting piece 5 is used for resisting the needle cap 12 when the syringe 1 is withdrawn, so that the needle cap 12 is detached from the needle 11 and is remained in the needle cap fixing groove 6 to realize unlocking; and the cap opening of the needle cap 12 is aligned with the window 23, the syringe 1 without the needle cap 12 can be inserted into the needle cap 12 in the needle cap fixing groove 6 through the window 23, so as to realize the sheath returning.
As can be seen from the above description, in the needle cap uncapping and returning device for a radiopharmaceutical syringe according to the embodiment of the present application, before injection, the syringe 1 with the needle cap 12 is inserted into the needle cap fixing groove 6 through the window 23, the needle cap 12 is embedded into the needle cap fixing groove 6, and then the syringe 1 is withdrawn to the outside of the container 2, since a gap is formed between the end face of the needle 11 fixed on the syringe barrel and the cap opening of the needle cap 12, during withdrawal of the syringe 1, the resisting member 5 can be inserted into the gap and resist the needle cap 12, so that the needle cap 12 is pushed up and down from the needle 11 and is left in the needle cap fixing groove 6, thereby realizing automatic uncapping of the needle cap 12; the cap opening of the needle cap 12 which is reserved in the needle cap fixing groove 6 is aligned with the window 23, so that the syringe 1 without the needle cap 12 can be directly inserted into the needle cap 12 in the needle cap fixing groove 6 through the window 23, the needle cap 12 is sleeved back, the above-mentioned sleeve-releasing and sleeve-returning processes do not need to contact the needle cap 12 and the needle 11 by hands, accidental stabbing can be avoided, the problem that tools for avoiding occupational staff to hold a radiation protection tank in the split charging injection operation process of radiopharmaceuticals are lacked in the prior art is effectively solved, and the technical problem of high risk of radiation pollution is caused.
As shown in fig. 1 to 3, in an embodiment of the present application, the container 2 is further provided with a sealing cover 4 for sealing the window 23, the sealing cover 4 is movably connected with the container 2, and both the container 2 and the sealing cover 4 are made of radiation-proof materials.
In particular, the radiopharmaceutical in the syringe 1 may drip into the cap 12 with the needle 11, and the radiopharmaceutical in the cap 12 may continue to emit ionizing radiation out of the container 2 through the window 23, causing radiation damage. By providing the sealing cover 4 and manufacturing the container 2 and the sealing cover 4 from a high atomic number material (such as tungsten alloy or lead), radiation protection can be achieved, thereby protecting the safety of users.
In addition, one side of the sealing cover 4 is rotatably connected with one side of the container 2. For example, one side of the sealing cover 4 is in shaft connection or hinged connection with the container 2, so that the sealing cover 4 can be opened or closed according to the requirement, the use is convenient, the sealing cover 4 is provided with a rotating shaft, the container 2 is provided with a shaft seat, the shaft seat is provided with a shaft hole, and two ends of the rotating shaft are respectively and rotatably inserted into the shaft hole, so that the shaft connection can be realized; alternatively, the hinge may be achieved by connecting the sealing cap 4 to the container 2 via a hinge. It should be noted that the related art of the shaft connection and the hinge connection is widely disclosed, and reference is made to the related art for other related arrangement modes of the shaft connection or the hinge connection of the sealing cover 4 and the container 2, and the description thereof will not be repeated here. Of course, the movable connection of the sealing cap 4 to the container 2 can be achieved in other ways, without limitation.
In one embodiment of the present application, as shown in fig. 1-3, the device further comprises a guiding sleeve 3 for guiding the syringe 1 into or out of the window 23, the guiding sleeve 3 penetrates the window 23, the top end is exposed out of the window 23, and the bottom end is positioned in the container 2 and aligned and extended towards the notch direction of the needle cap fixing groove 6, so as to guide the syringe 1 to be accurately inserted into the needle cap fixing groove 6.
In addition, the guide sleeve 3 is movably arranged to translate along the window 23 or move up and down, and the corresponding needle cap fixing groove 6 is movably arranged in the container 2 to keep alignment with the window 23, so that the guide sleeve 3 and the needle cap fixing groove 6 are moved by the syringe 1, thereby ensuring that the blocking member 5 can block the needle cap 12 and lift the needle cap 12 from the needle 11 when the syringe 1 is withdrawn, and the blocking member 5 is away from the syringe 1 when the syringe 1 is inserted, so that the syringe 1 is smoothly inserted into the needle cap fixing groove 6 without touching the blocking member 5.
Specifically, the outer wall surface of the guide sleeve 3 is fixed on the inner wall of the container 2 through the first elastic members 31, the first elastic members 31 stretch along the translation direction of the guide sleeve 3, so as to allow the guide sleeve 3 to translate in the window 23, and the first elastic members allow the guide sleeve 3 to slightly move along the vertical direction (the direction penetrating through the window) so as to ensure the cooperation with the needle cap fixing groove 6.
Furthermore, the bottom of the needle cap fixing groove 6 is provided with a roller 62, the roller 62 allows the needle cap fixing groove 6 to roll on the inner bottom surface of the container 2, the roller 62 rolls on the inner bottom surface of the container 2, the rolling friction is low, and the needle cap fixing groove is convenient to move synchronously with the guide sleeve 3. Simultaneously, the outer wall surface of the needle cap fixing groove 6 is respectively fixed on the inner wall of the container 2 through a second elastic piece 63, and the second elastic piece 63 stretches and contracts along a translation direction parallel to the guide sleeve 3 so as to reset the needle cap fixing groove 6.
By means of the arrangement, the syringe 1 can be moved close to or away from the resisting piece 5 in a translation mode, and smooth sleeve release and sleeve returning can be ensured.
Preferably, as shown in fig. 1, when the first elastic member 31 and the second elastic member 63 are in a free state (i.e. when no external force is applied to the hand-held syringe 1), the guide sleeve 3 and the needle cap fixing groove 6 are located approximately in the middle of the window 23, and the notches of the guide sleeve 3 and the needle cap fixing groove 6 are aligned up and down, so that the distance from the resisting member 5 is far, and the syringe 1 is conveniently inserted into the needle cap fixing groove 6 smoothly. As shown in fig. 2, when the first elastic member 31 and the second elastic member are in a stretched state (deformed by an external force applied from the hand-held syringe 1), the guide sleeve 3 and the needle cap fixing groove 6 are located substantially at one side of the window 23, so as to be closer to the blocking member 5, so that the blocking member 5 can block the needle cap 12, and a release process can be performed.
Specifically, the first elastic member 31 and the second elastic member 63 are springs already used in the market, but other elastic devices, such as elastic cotton, may be used, which is not limited thereto.
As shown in fig. 3, in one implementation of the present application, the window 23 is a rectangular opening, and the width of the opening is narrower than the widest part of the syringe 1 (the rear end face of the syringe) so as to prevent the syringe 1 from penetrating the window 23 and falling into the container 2, and also reduce the passage area of the remaining radiopharmaceutical in the needle cap 12 for outward radiation, thereby reducing the radiation dose. The translation direction refers to the direction along the length of the rectangular opening. Of course, the window 23 may have other shapes, such as an ellipse, etc., which is not limited herein.
In an embodiment of the present application, the resisting member 5 may be in a strip shape or a rod shape, which is disposed at least one end of the window 23 along the length direction, one end of the resisting member 5 is fixed on the inner wall surface of the container 2, and the other end extends into the container 2 and is located at one end of the translational movement track of the guiding sleeve 3.
As an alternative embodiment, as shown in fig. 1 to 3, the retaining member 5 is annular, the outer edge of the retaining member 5 is fixed to the inner wall surface of the container 2, and the inner edge 51 of the retaining member 5 extends in the direction between the window 23 and the notch of the cap fixing groove 6. The arrangement is that the resisting piece 5 is larger, so that the resisting piece 5 can be ensured to be capable of being abutted against the needle cap 12, and invalid unlocking is avoided; meanwhile, the shielding material can also play a role in shielding part of radiation.
However, the abutment 5 is designed in a ring shape, which may touch the barrel portion of the thicker syringe 1 during the uncapping or the uncapping process, thereby increasing the resistance, resulting in poor insertion of the syringe 1, and for this purpose, the surface of the annular abutment 5 facing the window 23 is a slope inclined from the outer edge toward the inner edge, which has the effect of guiding the insertion of the syringe 1.
In an embodiment of the present application, as shown in fig. 1-2, a card seat 7 is disposed in the needle cap fixing groove 6, and a receiving cavity for the needle cap 12 to be inserted upside down is formed on the card seat 7, and the shape of the receiving cavity is at least matched with a part of the needle cap 12, so that the needle cap 12 is embedded and fixed, thereby ensuring that the cap opening of the needle cap 12 is aligned with the window 23.
Further, as shown in fig. 1-2, the clamping seat 7 is fixed on the bottom of the needle cap fixing groove 6 through a third elastic member 71, so as to buffer the impact force of inserting the syringe 1 into the clamping seat 7, and avoid the damage of the needle cap 12 caused by too strong force in the process of returning to the sleeve.
Specifically, the third elastic member 71 is a spring already used in the market, but it is also possible to use other elastic devices, such as elastic cotton, etc., and the present utility model is not limited thereto.
In an embodiment of the present application, as shown in fig. 1-2, a notch of the needle cap fixing groove 6 is provided with a limiting piece 61 protruding toward the needle cap fixing groove 6, and the limiting piece 61 is used for limiting the card seat 7 in the needle cap fixing groove 6, so as to prevent the card seat 7 from being separated from the needle cap fixing groove 6 along with the needle cap 12. To avoid the stopper 61 from abutting the needle cap 12, a portion of the stopper 61 covers the top surface of the cartridge 7.
Further, as shown in fig. 1 to 3, in order to improve the convenience of use of the device, the sealing cover 4 is provided with a handle 41 which is convenient to hold, the outer wall surface of the container 2 is provided with a handle 22 which is convenient to hold, and the handle 22 is rotatably arranged on the outer wall surface of the container 2 through a handle rotating shaft 21.
In addition, the container 2 may have a hollow cylindrical shape, a hollow rectangular parallelepiped shape, or the like.
Finally, it should be noted that the above-mentioned embodiments are only for illustrating the technical solution of the present utility model, and not for limiting the same, and although the present utility model has been described in detail with reference to examples, it should be understood by those skilled in the art that modifications and equivalents may be made to the technical solution of the present utility model without departing from the spirit and scope of the technical solution of the present utility model, and all such modifications and equivalents are intended to be encompassed in the scope of the claims of the present utility model.
Claims (10)
1. The utility model provides a radiopharmaceuticals needle cap is with unbuckling, returns cover device, the syringe includes the syringe needle, the needle cap can be loose ground cover to establish on the syringe needle, its characterized in that:
the device comprises a container, wherein a window for the insertion and movement of the syringe is formed in one surface of the container, and a resisting piece is arranged in the container and used for resisting the needle cap in the process that the syringe exits from the container so as to detach the needle cap from the needle head for unlocking;
the container is also internally provided with a needle cap fixing groove which is used for accommodating the needle cap kept by the resisting piece, and the cap opening of the needle cap is aligned with the window so as to facilitate the insertion of the syringe through the window and the return of the needle cap.
2. The needle cap uncapping and returning device for a radiopharmaceutical syringe of claim 1, wherein: the container is also provided with a sealing cover for sealing the window, the sealing cover is movably connected with the container, and the container and the sealing cover are made of radiation-proof materials.
3. The needle cap uncapping and returning device for a radiopharmaceutical syringe of claim 1, wherein: the device also comprises a guide sleeve for guiding the syringe to penetrate into or out of the window, wherein the guide sleeve penetrates through the window, and the guide sleeve is movably arranged so as to translate along the window;
the needle cap retaining groove is movably disposed within the container so as to be aligned with the window such that the guide sleeve and the needle cap retaining groove are translated by the syringe such that the retaining member retains the needle cap when the syringe is withdrawn from the container, such that the needle cap is removable from the needle, and such that the retaining member does not retain the needle cap when the syringe is inserted into the container.
4. A needle cap uncapping and returning apparatus for a radiopharmaceutical syringe as set forth in claim 3 wherein: the outer wall surfaces of the guide sleeves are respectively fixed on the inner wall of the container through first elastic pieces so as to allow the guide sleeves to move in the window.
5. The needle cap uncapping and returning device for a radiopharmaceutical syringe as set forth in claim 4 wherein: the bottom of the needle cap fixing groove is provided with a roller, and the roller rolls on the inner bottom surface of the container and synchronously moves in cooperation with the guide sleeve;
the outer wall surfaces of the needle cap fixing grooves are respectively fixed on the inner wall of the container through second elastic pieces so as to realize resetting;
when the first elastic piece and the second elastic piece are in a free state, the guide sleeve and the needle cap fixing groove are positioned in the middle of the window, the guide sleeve and the needle cap fixing groove notch are aligned up and down, and the resisting piece does not resist the needle cap; when the first elastic piece and the second elastic piece are in a telescopic state, the guide sleeve and the needle cap fixing groove are positioned on one side of the window, and the resisting piece resists the needle cap.
6. The needle cap uncapping and returning device for a radiopharmaceutical syringe as set forth in claim 5 wherein: one end of the resisting piece is fixed on the inner wall surface of the container, and the other end of the resisting piece extends into the container and is positioned at one end of the translation movement track of the guide sleeve.
7. The needle cap uncapping and returning device for a radiopharmaceutical syringe of claim 6 wherein: the retaining member is annular, the outer edge of the retaining member is fixed on the inner wall surface of the container, and the inner edge of the retaining member extends towards the direction between the window and the notch of the needle cap fixing groove.
8. The needle cap uncapping and returning device for a radiopharmaceutical syringe of claim 1, wherein: the needle cap fixing groove is internally provided with a clamping seat, the clamping seat is provided with a containing cavity for the inverted insertion of the needle cap, and the shape of the containing cavity is at least matched with the part of the needle cap so that the needle cap is embedded and fixed.
9. The needle cap uncapping and returning device for a radiopharmaceutical syringe of claim 8 wherein: the clamping seat is fixed on the bottom of the needle cap fixing groove through a third elastic piece.
10. The needle cap uncapping and returning device for a radiopharmaceutical syringe of claim 8 wherein: the notch of the needle cap fixing groove is provided with a limiting piece protruding towards the needle cap fixing groove, and the limiting piece is used for limiting the clamping seat in the needle cap fixing groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223323674.4U CN219090819U (en) | 2022-12-11 | 2022-12-11 | Needle cap unlocking and returning device for radiopharmaceutical syringe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223323674.4U CN219090819U (en) | 2022-12-11 | 2022-12-11 | Needle cap unlocking and returning device for radiopharmaceutical syringe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219090819U true CN219090819U (en) | 2023-05-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223323674.4U Active CN219090819U (en) | 2022-12-11 | 2022-12-11 | Needle cap unlocking and returning device for radiopharmaceutical syringe |
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| Country | Link |
|---|---|
| CN (1) | CN219090819U (en) |
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- 2022-12-11 CN CN202223323674.4U patent/CN219090819U/en active Active
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