Disposable sterile radiography needle cylinder

Abstract

The utility model relates to the technical field of medical instruments, in particular to a disposable sterile radiography needle cylinder which comprises an injector body, a connecting tube body, a flow stopping clip, a buckle assembly and a Luer taper, the connecting tube body is provided with the Luer taper, the Luer taper is used for being connected with an indwelling needle, the buckle assembly is arranged on the injector body, and the flow stopping clip is arranged on the connecting tube body. The flow stopping clamp is arranged on the connecting pipe body, the flow stopping clamp can press the connecting pipe body to prevent liquid from passing through, the buckle assembly is connected with the Luer taper, and after the Luer taper is clamped on the buckle assembly, a liquid outlet of the Luer taper faces upwards. The connecting pipe body, the buckle assembly and the flow stopping clamp are connected and matched, when the connecting pipe body is disconnected from the remaining needle, the flow stopping clamp can prevent residual contrast agent in the connecting pipe body from flowing, and the buckle assembly is connected with the connecting pipe body, so that the contrast agent at the free end of the connecting pipe body is prevented from dripping to the external environment.

Description

Technical Field

[0001] The utility model relates to the technical field of medical treatment, in particular to a disposable sterile contrast injection syringe. Background Art

[0002] Disposable sterile contrast syringe is a special instrument for medical diagnosis, mainly used for medical imaging examinations such as angiography (DSA), CT enhanced scanning and MRI nuclear magnetic resonance examination. Each set of standard syringes includes syringes, aspirators, connecting tubes and other accessories, which are used in conjunction with high-pressure syringes to automatically push contrast agents (developers) to ensure the clarity and accuracy of imaging examinations. Specifically, one end of the connecting tube is connected to the high-pressure syringe, and the other end is connected to the indwelling needle;

[0003] After the examination, the connecting tube needs to be disconnected from the indwelling needle. However, a portion of the contrast agent will remain in the connecting tube. Under the action of gravity, the contrast agent in the connecting tube is easy to drip into the external environment, thereby causing contamination of the CT machine, MRI machine, high-pressure injection pump and its surrounding environment and the ground.

[0004] Therefore, how to prevent contrast agent from dripping when the indwelling needle is disconnected at the end of the examination is a technical problem that needs to be solved urgently in the prior art. Utility Model Content

[0005] The utility model aims to provide a flow stop clip and a buckle to solve the problem of contrast agent dripping when the indwelling needle is disconnected after the examination, which causes pollution to the CT machine, MRI machine, high-pressure injection pump and the surrounding environment and the ground.

[0006] In order to achieve the above purpose, the technical solution adopted by the utility model is:

[0007] A disposable sterile contrast agent syringe comprises a syringe body, a connecting tube body, a stopper clip, a buckle assembly and a Luer connector, wherein one end of the connecting tube body is connected to the syringe body and the other end is a free end, the connecting tube body is used to transport contrast agents, and the free end of the connecting tube body is provided with a Luer connector, and the Luer connector is used to connect to an indwelling needle;

[0008] The buckle assembly is arranged on the syringe body, and the flow-stop clamp is arranged on the connecting tube body;

[0009] The flow-stop clamp is used to adjust the cross-sectional area of ​​the flow channel of the connecting tube body. The flow-stop clamp can press the connecting tube body to prevent liquid from passing through. The buckle assembly is used to connect the Luer connector. After the Luer connector is buckled onto the buckle assembly, the liquid outlet of the Luer connector faces upward.

[0010] Preferably, the snap assembly includes a water collection cup and a snap-on component, the water collection cup is arranged on the syringe body, the snap-on component is connected to the water collection cup, the snap-on component is used to connect the connecting tube body and guide the contrast agent gushing out from the end of the connecting tube body to flow into the water collection cup.

[0011] Preferably, the clamping component includes a guide plate and a fixed plate, the guide plate is arranged at the cup mouth of the water collection cup, the guide plate forms an acute angle with the edge line of the cross section of the water collection cup, the fixed plate is arranged on the guide plate, a groove is arranged on one end of the fixed plate, the groove passes through the end of the guide plate, the diameter of the groove matches the outer diameter of the connecting tube body, and after the connecting tube body is clamped in the groove, the top end of the Luer connector exceeds the edge line of the internal accommodating cavity of the water collection cup.

[0012] Preferably, an opening is provided on the guide plate, the diameter of the opening is larger than the outer diameter of the connecting pipe body, and the opening is provided at an end opposite to the connection between the guide plate and the water collection cup.

[0013] Preferably, the fixing plate is arranged at the connection between the guide plate and the water accumulation cup, and the fixing plate and the guide plate form an obtuse angle connection.

[0014] Preferably, the groove opening on the fixing plate is arranged on the opposite side of the connection between the fixing plate and the guide plate, and the groove is used to connect the free end of the connecting pipe body.

[0015] Preferably, a water guide funnel is provided in the water collection cup, and the diameter of the water inlet end of the water guide funnel matches the diameter of the cup mouth of the water collection cup.

[0016] Preferably, a cover plate component is arranged on the opposite side of the connection between the water collection cup and the clamping component, with the bottom surface of the water collection cup as the projection surface, and the projection of the cover plate blocks the top of the projection of the Luer connector.

[0017] Preferably, the cover plate component is arranged below the inner edge of the mouth of the water collection cup, and the water guiding funnel is arranged below the connection between the cover plate component and the water collection cup.

[0018] Preferably, a buffer zone is provided on the side of the cover plate component facing the water accumulation cup, with the bottom surface of the cover plate component as the positive projection surface, the projection of the buffer zone is larger than the projection of the Luer connector, and when the connecting tube body is used in conjunction with a high-pressure syringe to discharge gas, the buffer zone is used to weaken the impact kinetic energy of the contrast agent.

[0019] In summary, due to the adoption of the above technical solution, the beneficial effects of the utility model are:

[0020] 1. The disposable sterile contrast agent syringe described in the utility model is provided with the connection tube body, the buckle assembly, and the stopper clip for connection and cooperation. When the connection tube body is disconnected from the indwelling needle, the stopper clip can effectively prevent the residual contrast agent in the connection tube body from flowing. In this embodiment, the buckle assembly is connected to the connection tube body, which prevents the contrast agent at the free end of the connection tube body from dripping into the external environment.

[0021] 2. The disposable sterile contrast syringe described in the utility model is provided with the water accumulation cup connected with the connecting plate and the fixing plate, and the connecting tube body is effectively and stably connected to the water accumulation cup, thereby improving the overall stability and effectively avoiding the phenomenon of liquid dripping;

[0022] 3. The disposable sterile contrast agent syringe described in the utility model is provided with the water guide funnel to effectively guide the contrast agent to drip into the water accumulation cup. The cover plate is provided to cooperate with the Luer connector. When the high-pressure syringe is pressurized, the contrast agent gushing out from the top of the Luer connector can be prevented from splashing, thereby effectively preventing the contrast agent from dripping into the external environment, further improving the practicality of the utility model in actual use. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 It is a schematic diagram of the orthographic projection of a disposable sterile contrast syringe with the body of the water cup as the projection surface;

[0024] Figure 2 is a cross-sectional schematic diagram of the buckle assembly in Example 2;

[0025] Figure 3 yes Figure 2 The orthographic projection diagram with the bottom of the water cup as the projection surface;

[0026] Figure 4 It is a cross-sectional schematic diagram of the buckle assembly in Example 3.

[0027] Markings in the figure: 1-syringe body, 2-connecting tube body, 3-stop clamp, 4-snap assembly, 5-Ruel connector, 6-water collection cup, 7-snap-connecting component, 8-guide plate, 9-fixing plate, 10-groove, 11-opening, 12-water guide funnel, 13-cover component, 14-buffer zone. DETAILED DESCRIPTION

[0028] The utility model is described in detail below in conjunction with the accompanying drawings.

[0029] To make the purpose, technical solution and advantages of the embodiment of the utility model clearer, the technical solution in the embodiment of the utility model will be described clearly and completely in conjunction with the accompanying drawings. Obviously, the described embodiment is a part of the embodiment of the utility model, not all of the embodiments.

[0030] Therefore, the following detailed description of the embodiments of the present invention is not intended to limit the scope of the present invention to be protected, but merely represents some embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0031] It should be noted that, in the absence of conflict, the embodiments of the present invention and the features and technical solutions in the embodiments may be combined with each other.

[0032] It should be noted that similar reference numerals and letters denote similar items in the following drawings, and therefore, once an item is defined in one drawing, further definition and explanation thereof is not required in subsequent drawings.

[0033] In the description of the present utility model, it should be noted that the terms "upper", "lower", etc. indicate the orientation or position relationship based on the orientation or position relationship shown in the drawings, or the orientation or position relationship in which the utility model product is usually placed when in use, or the orientation or position relationship commonly understood by those skilled in the art. Such terms are only for the convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present utility model. In addition, the terms "first", "second", etc. are only used to distinguish the description, and cannot be understood as indicating or implying relative importance.

[0034] Example 1: Figure 1 As shown, a disposable contrast syringe described in the utility model comprises a syringe body 1, a connecting tube body 2, a stop clamp 3, a buckle assembly 4 and a Luer connector 5, wherein one end of the connecting tube body 2 is connected to the syringe body 1, and the other end is a free end, the connecting tube body 2 is used to transport contrast agent, the free end of the connecting tube body 2 is provided with a Luer connector 5, the Luer connector 5 is used to connect with an indwelling needle, the buckle assembly 4 is arranged on the syringe body 1, the stop clamp 3 is arranged on the connecting tube body 2, the stop clamp 3 is used to adjust the cross-sectional area of ​​the flow channel of the connecting tube body 2, the stop clamp 3 can press the connecting tube body 2 so that liquid cannot pass through, the buckle assembly 4 is used to connect the Luer connector 5, and after the Luer connector 5 is clamped on the buckle assembly 4, the liquid outlet of the Luer connector 5 faces upward.

[0035] A disposable contrast agent syringe described in the present invention is adopted, the buckle assembly 4 is provided to be bolted to the syringe body 1, the stop clamp 3 and the connecting tube body 2 are slidably connected at one side close to the free end of the connecting tube body 2, the Luer connector 5 is buckled to the connecting tube body 2, after the connecting tube body 2 is disconnected from the indwelling needle, during the connection between the connecting tube body 2 and the buckle assembly 4, the stop clamp 3 can effectively weaken the flow of contrast agent in the connecting tube body 2, and, in this embodiment, after the Luer connector 5 is buckled on the buckle assembly 4, the liquid outlet of the Luer connector 5 faces upward, thereby avoiding the dripping of contrast agent in the connecting tube body 2, thereby preventing the contrast agent from polluting the external environment.

[0036] Specifically, in this embodiment, the flow stop clamp 3 can be an adjustable water stop clamp, a Robert clamp, etc., the connection method between the buckle assembly 4 and the syringe body 1 can be a bolt connection, etc., and the connecting tube body 2 can be a PE tube, etc.

[0037] Example 2: Figure 2 , Figure 3 As shown, the disposable contrast agent syringe described in the utility model is based on the above method, and further, the snap assembly 4 includes a water cup 6 and a snap-on component 7, the water cup 6 is arranged on the syringe body 1, and the snap-on component 7 is connected to the water cup 6, and the snap-on component 7 is used to connect the connecting tube body 2 and guide the contrast agent gushing out from the end of the connecting tube body 2 to flow into the water cup.

[0038] In this embodiment, the water accumulation cup 6 is arranged on the side of the syringe body 1 by bolt connection, so as to maintain the stability of the cup body of the water accumulation cup 6 and facilitate the removal and placement. The clamping component 7 is buckled on the water accumulation cup 6, and the connecting tube body 2 is buckled and connected to the clamping component 7, which effectively guides the contrast agent flowing out from the end of the connecting tube body 2 into the water accumulation cup 6, further preventing the contrast agent from dripping into the external environment and causing pollution to the CT machine, MRI machine, high-pressure injection pump and its surrounding environment and the ground.

[0039] Specifically, in this embodiment, the water storage cup 6 can be a plastic cup, a stainless steel cup, a glass cup, etc.

[0040] As a preferred embodiment, on the basis of the above-mentioned manner, further, the clamping component 7 includes a guide plate 8 and a fixing plate 9, wherein the guide plate 8 is arranged at the cup mouth of the water accumulation cup 6, and the guide plate 8 forms an acute angle with the edge line of the cross section of the water accumulation cup 6, and the fixing plate 9 is arranged on the guide plate 8, and a groove 10 is arranged on one end of the fixing plate 9, and the groove 10 passes through the end of the guide plate 8, and the diameter of the groove 10 matches the outer diameter of the connecting tube body 2. After the connecting tube body 2 is clamped in the groove 10, the top of the Luer connector 5 exceeds the edge line of the internal accommodating cavity of the water accumulation cup 6. With this structural arrangement, it is possible to effectively and conveniently take and place the connecting tube body 2 on the fixing plate 9, and at the same time, the fixing plate 9 can effectively prevent the Luer connector 5 from tilting upward due to the upward force of the connecting tube body 2, thereby reducing the contrast agent contamination of the Luer connector 5, and the matching angle between the guide plate 8 and the water accumulation cup 6 can reduce the curvature of the connecting tube body 2, thereby improving the service life of the connecting tube body 2.

[0041] As a preferred embodiment, on the basis of the above method, further, the guide plate 8 is provided with an opening 11, the diameter of the opening 11 is larger than the outer diameter of the connecting pipe body 2, and the opening 11 is provided at the end opposite to the connection between the guide plate 8 and the water accumulation cup 6. With this structural setting, the curvature of the connecting pipe body 2 can be further reduced, the service life of the connecting pipe body 2 can be extended, and at the same time, the connecting pipe body 2 can be kept from sliding easily.

[0042] As a preferred embodiment, on the basis of the above-mentioned manner, further, the fixing plate 9 is arranged at the connection between the guide plate 8 and the water accumulation cup 6, and the fixing plate 9 forms an obtuse angle connection with the guide plate 8. With this structural setting, the bending degree of the connecting tube body 2 is weakened, and at the same time, the top of the Luer connector 5 is effectively kept from sliding, thereby preventing the contrast agent gushing out of the end of the Luer connector 5 from causing contamination, thereby more effectively guiding the contrast agent of the connecting tube body 2 to flow into the water accumulation cup 6.

[0043] As a preferred embodiment, based on the above manner, further, the opening of the groove 10 on the fixing plate 9 is arranged on the side opposite to the connection between the fixing plate 9 and the guide plate 8. The groove 10 is used to connect the free end of the connecting tube body 2. With this structural setting, the connecting tube body 2 is effectively kept convenient to take and put and not easy to slide, and the stability of the Luer connector 5 is better maintained.

[0044] As a preferred embodiment, based on the above method, further, a water guide funnel 12 is provided in the water collection cup 6, and the diameter of the water inlet end of the water guide funnel 12 matches the diameter of the cup mouth of the water collection cup 6. With this structural setting, the contrast agent dripping from the top of the Luer connector 5 is guided by the water guide funnel 12 into the water collection cup 6, further preventing the liquid from dripping into the external environment.

[0045] Example 3: Figure 4 As shown, the disposable contrast syringe described in the utility model, based on the above method, further, a cover plate component 13 is provided on the opposite side of the connection between the water accumulation cup 6 and the clamping component 7, with the bottom surface of the water accumulation cup 6 as the projection surface, and the projection of the cover plate component 13 blocks the top of the Luer connector 5. With this structural setting, when the high-pressure syringe discharges air, it can prevent the contrast agent gushing out from the top of the Luer connector 5 from splashing to the external environment.

[0046] As a preferred embodiment, based on the above method, further, the cover member 13 is arranged below the inner edge of the mouth of the water accumulation cup 6, and the water guide funnel 12 is arranged below the connection between the cover member 13 and the water accumulation cup 6. With this structural arrangement, it is effectively prevented that the contrast agent at the connection between the cover member 13 and the water accumulation cup 6 drips to the outside of the water accumulation cup 6 and causes contamination.

[0047] As a preferred embodiment, based on the above method, further, the cover plate component 13 is provided with a buffer zone 14 on the side facing the water accumulation cup 6, with the bottom surface of the cover plate component 13 as the positive projection surface, and the projection of the buffer zone 14 is larger than the projection of the Luer connector 5. When the connecting tube body 2 is used in conjunction with a high-pressure syringe to discharge gas, the buffer zone 14 is used to reduce the impact kinetic energy of the contrast agent. With this structural setting, the contrast agent sprayed from the top of the Luer connector 5 to the cover plate component 13 can be reduced to splash to the external environment, thereby causing pollution to the surrounding environment, further improving the practicality of the new type in actual use.

[0048] Specifically, in this embodiment, the buffer zone 14 can be a sponge, a curved diverter plate, a scoop net, etc. The connection method between the cover plate component 13 and the water accumulation cup 6 and the water guiding funnel 12 can be a snap connection, a threaded connection, etc. The connection method between the cover plate component 13 and the buffer zone 14 can be an elastic connection, a bolt connection, a snap connection, etc.

[0049] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A disposable sterile contrast syringe, characterized in that: It comprises a syringe body, a connecting tube body, a stop clamp, a buckle assembly and a Luer connector. One end of the connecting tube body is connected to the syringe body, and the other end is a free end. The connecting tube body is used to transport contrast agent. The free end of the connecting tube body is provided with a Luer connector, and the Luer connector is used to connect with an indwelling needle. The buckle assembly is arranged on the syringe body, and the stop clamp is arranged on the connecting tube body. The stop clamp is used to adjust the cross-sectional area of ​​the flow channel of the connecting tube body. The stop clamp can press the connecting tube body so that liquid cannot pass through. The buckle assembly is used to connect the Luer connector. After the Luer connector is clipped on the buckle assembly, the liquid outlet of the Luer connector faces upward.

2. The disposable sterile contrast syringe according to claim 1, characterized in that: The snap assembly includes a water collection cup and a snap-on component. The water collection cup is arranged on the syringe body. The snap-on component is connected to the water collection cup. The snap-on component is used to connect the connecting tube body and guide the contrast agent flowing out from the end of the connecting tube body to flow into the water collection cup.

3. The disposable sterile contrast syringe according to claim 2, characterized in that: The clamping component includes a guide plate and a fixing plate, wherein the guide plate is arranged at the cup mouth of the water accumulation cup, and the guide plate forms an acute angle with the edge line of the cross section of the water accumulation cup, and the fixing plate is arranged on the guide plate, and a groove is arranged on one end of the fixing plate, and the groove passes through the end of the guide plate, and the diameter of the groove matches the outer diameter of the connecting tube body. After the connecting tube body is clamped in the groove, the top end of the Luer connector exceeds the edge line of the internal accommodating cavity of the water accumulation cup.

4. The disposable sterile contrast syringe according to claim 3, characterized in that: The guide plate is provided with an opening, the diameter of the opening is larger than the outer diameter of the connecting pipe body, and the opening is provided at an end opposite to the connection between the guide plate and the water accumulation cup.

5. The disposable sterile contrast syringe according to claim 4, characterized in that: The fixing plate is arranged at the connection between the guide plate and the water accumulation cup, and the fixing plate and the guide plate form an obtuse angle connection.

6. The disposable sterile contrast syringe according to claim 5, characterized in that: The groove opening on the fixing plate is arranged on the opposite side of the connection between the fixing plate and the guide plate, and the groove is used to connect the free end of the connecting pipe body.

7. The disposable sterile contrast syringe according to claim 6, characterized in that: A water guide funnel is arranged in the water accumulation cup, and the diameter of the water inlet end of the water guide funnel matches the diameter of the cup mouth of the water accumulation cup.

8. The disposable sterile contrast syringe according to claim 7, characterized in that: A cover plate component is arranged on the opposite side of the connection between the water accumulation cup and the clamping component, and the bottom surface of the water accumulation cup is used as the projection surface, and the projection of the cover plate blocks the top of the projection of the Luer connector.

9. The disposable sterile contrast syringe according to claim 8, characterized in that: The cover plate component is arranged below the inner edge of the cup opening of the water collection cup, and the water guide funnel is arranged below the connection between the cover plate component and the water collection cup.

10. The disposable sterile contrast syringe according to claim 9, characterized in that: A buffer zone is provided on the side of the cover plate component facing the water accumulation cup, with the bottom surface of the cover plate component as the positive projection surface, the projection of the buffer zone is larger than the projection of the Luer connector, and when the connecting tube body is used in conjunction with a high-pressure syringe to discharge gas, the buffer zone is used to weaken the impact kinetic energy of the contrast agent.

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