Membrane puncture needle connecting device
By designing a robust membrane puncture needle connection device, the problem of unstable puncture needle connection was solved, providing an assistive structure that enables precise control of puncture and safe fluid delivery, thereby improving the efficiency and safety of puncture.
Patent Information
- Application Number
- CN202423128077.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-18
- Publication Date
- 2026-01-27
- Estimated Expiration
- 2034-12-18
AI Technical Summary
In existing technologies, the connection between the puncture needle and the connecting component is not secure enough, and it is easy to loosen or separate, affecting the accuracy and safety of puncture. Furthermore, the lack of an effective assist structure makes it difficult to accurately control the puncture force and direction, increasing hand fatigue.
A membrane puncture needle connection device was designed, including components such as needle tube, puncture cylinder, delivery tube, liquid inlet rack, connecting tube and pusher rack. The connection stability is ensured by snap-fit and fixing structure, and an assist point is provided. Combined with pressure pump and flow restrictor, precise control of liquid flow and pressure is achieved.
It improves the stability and accuracy of puncture procedures, reduces hand fatigue, ensures the safety and effectiveness of fluid delivery, and avoids adverse effects on patients due to improper flow rates.
Smart Images

Figure CN223831163U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of membrane puncture needle connection technology, specifically a membrane puncture needle connection device. Background Art
[0002] In the medical field, membrane puncture and related fluid delivery procedures play a crucial role in the diagnosis and treatment of many diseases. For example, in the treatment of abdominal diseases, it is often necessary to precisely deliver drugs to the vicinity of specific membrane structures in the abdominal cavity. In interventional treatment of cardiovascular diseases, it is also necessary to puncture the vascular endothelium and inject therapeutic substances. Background Technology
[0003] However, existing technologies have the following problems in practical use:
[0004] In practical use, the connection between the puncture needle and the connecting parts of the existing technology is often not stable enough. Loosening or separation can easily occur during the puncture process. This can not only lead to puncture failure, but also cause additional harm to the patient, such as tissue abrasion and bleeding. Moreover, traditional devices lack effective assist structures, making it difficult for doctors to accurately control the puncture force and direction when performing puncture operations, especially long or delicate puncture operations. Hand fatigue is easy to occur, which in turn affects the accuracy and efficiency of the puncture. Utility Model Content
[0005] (a) Technical problems to be solved
[0006] To overcome the aforementioned deficiencies of the prior art, this utility model provides a membrane puncture needle connection device, which solves the problems in the prior art:
[0007] In practical use, the connection between the puncture needle and the connecting parts of the existing technology is often not stable enough. Loosening or separation can easily occur during the puncture process. This can not only lead to puncture failure, but also cause additional harm to the patient, such as tissue abrasion and bleeding. Moreover, traditional devices lack effective assist structures, making it difficult for doctors to accurately control the puncture force and direction when performing puncture operations, especially long or delicate puncture operations. This can easily lead to hand fatigue, which in turn affects the accuracy and efficiency of the puncture.
[0008] (II) Technical Solution To achieve the above objectives, this utility model provides the following technical solution: a membrane puncture method.
[0009] A needle connection device includes a needle tube, a puncture tube is snapped into one side of the needle tube, a delivery tube is snapped into the middle of the needle tube, an inlet frame is fixedly installed on one side of the delivery tube, a connecting tube is fixedly installed on one side of the inlet frame, a sealing tube is fixedly installed on one side of the connecting tube, and a pusher is fixedly snapped into one side of the needle tube.
[0010] Furthermore, a clamping plate is fixedly installed on one side of the needle tube, and an assisting plate is fixedly connected to one side of the needle tube.
[0011] Furthermore, a locking block is engaged at the top of the puncture tube, and a needle is fixedly installed on one side of the puncture tube. The locking block passes through the puncture tube and engages with the internal needle tube via a locking plate.
[0012] Furthermore, a pressure pump is fixedly installed on one side of the delivery pipe, and a pipe clamp is fixedly installed on one side of the delivery pipe.
[0013] Furthermore, a through tube is fixedly installed on one side of the liquid inlet rack, a flow restrictor is snapped onto one side of the through tube, and a clamp is snapped onto one side of the liquid inlet rack and the delivery pipe.
[0014] Furthermore, a connecting collar is fixedly connected to one side of the connecting tube, and one side of the connecting tube is snapped into the through tube of the liquid inlet frame.
[0015] Furthermore, a side cover is fixedly installed on one side of the closed tube, a pull ring is fixedly connected to one side of the side cover, and one side of the closed tube is engaged with the connecting sleeve of the connecting tube.
[0016] Furthermore, a retaining ring is fixedly installed on one side of the pusher frame, a push rod is snapped into one side of the pusher frame, and one side of the pusher frame is snapped into one side of the needle tube through the retaining ring.
[0017] (III) Beneficial Effects This utility model provides a membrane puncture needle connection device, which has the following beneficial effects:
[0018] This membrane puncture needle connection device, through the coordinated design of the delivery tube, inlet holder, connecting tube, and pusher, effectively prevents loosening or separation of the two components during puncture, ensuring the stability of the puncture operation. The needle design provides the operator with a good point of force application during puncture, allowing doctors to better control the puncture force and direction, reducing the difficulty of the operation. Especially in long-term or delicate puncture work, it can effectively reduce hand fatigue and make the puncture operation smoother.
[0019] Conveniently designed with an infusion stand, the system allows for precise control of the infusion flow rate, preventing adverse effects on patients from excessively fast or slow flow rates. For example, it prevents excessively high local tissue pressure caused by excessively fast flow rates, or affects treatment efficacy due to excessively slow flow rates. At the same time, the delivery tubing allows for adjustment of the fluid delivery pressure as needed, ensuring that the fluid can smoothly pass through the tubing and reach the designated intramural puncture site, further improving the accuracy and effectiveness of fluid delivery. Attached Figure Description
[0020] Figure 1 is a schematic diagram of the structure of this utility model;
[0021] Figure 2 is a schematic diagram of the exploded structure of this utility model;
[0022] Figure 3 is a schematic diagram of the needle tube structure of this utility model;
[0023] Figure 4 is a schematic diagram of the pusher structure of this utility model;
[0024] Figure 5 is a schematic diagram of the connecting pipe structure of this utility model.
[0025] In the diagram: 1. Needle; 2. Puncture tube; 3. Delivery tube; 4. Infusion rack; 5. Connecting tube; 6. Sealing tube; 7. Pusher; 8. Clamping plate; 9. Assist plate; 10. Locking block; 11. Needle; 12. Pressure pump; 13. Clamping tube; 14. Through tube; 15. Flow restrictor; 16. Connecting collar; 17. Side cover; 18. Pull ring; 19. Clamping ring; 20. Push rod. Detailed Implementation
[0026] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of the present utility model without creative effort are within the scope of protection of the present utility model.
[0027] Please refer to Figures 1 to 5. This utility model provides a technical solution: a membrane puncture needle connection device, which is mainly used in the scenario of membrane puncture connection.
[0028] Example 1:
[0029] To make the device easier to push during use, it is equipped with a device needle tube 1, a pusher frame 7 and a puncture tube 2;
[0030] A puncture tube 2 is snapped into one side of the needle tube 1; a pusher frame 7 is fixedly snapped into one side of the needle tube 1; a clamping plate 8 is fixedly installed on one side of the needle tube 1; an assisting plate 9 is fixedly connected to one side of the needle tube 1; a locking block 10 is snapped into the top of the puncture tube 2; a needle 11 is fixedly installed on one side of the puncture tube 2; the locking block 10 passes through the puncture tube 2 and engages with the clamping plate 8 inside the needle tube 1; a retaining ring 19 is fixedly installed on one side of the pusher frame 7.
[0031] A push rod 20 is snapped onto one side of the pusher frame 7, and the other side of the pusher frame 7 is connected to one side of the syringe 1 via a retaining ring 19.
[0032] The needle tube 1, as the core component, is locked to the puncture tube 2 on one side by a locking plate 8.
[0033] 10. The locking block 10 at the top of the puncture tube 2 securely connects to the needle tube 1, providing a basic channel structure for puncture. Simultaneously, the auxiliary plate 9, fixedly connected to one side, facilitates the operator's grip and application of force, effectively improving the controllability and comfort of the puncture operation. The locking block 10 at the top of the puncture tube 2 engages with the needle tube 1. The needle 11 mounted on one side...
[0034] To puncture the membrane structure, the puncture tube 2 fits tightly with the needle tube 1, ensuring the stability of the puncture process.
[0035] For accuracy, the pusher 7 is engaged with the syringe 1 via a retaining ring 19, and the push rod 20 engaged on one side is used to...
[0036] The liquid inside the syringe 1 is pushed to push the liquid or other substances, allowing for flexible control of the delivery volume;
[0037] Example 2:
[0038] To facilitate transport during use, the device is equipped with a transport pipe 3 and a liquid inlet rack 4; the liquid inlet rack 4 is fixedly installed on one side of the transport pipe 3, and a pressure pump is fixedly installed on one side of the transport pipe 3.
[0039] 12. A clamping tube 13 is fixedly installed on one side of the delivery pipe 3, and a through tube 14 is fixedly installed on one side of the liquid inlet rack 4. A flow restrictor 15 is clamped to one side of the through tube 14, and one side of the liquid inlet rack 4 is clamped to the clamping tube 13 of the delivery pipe 3.
[0040] Therefore, the delivery tube 3 is snapped into the middle of the needle tube 1, and the pressure pump 12 fixedly installed on one side can adjust the liquid delivery pressure to adapt to different puncture treatment needs, such as accurately delivering drugs or nutrient solutions to specific sites within the membrane. The clamp 13 is used to connect to the inlet holder 4 to construct a complete liquid delivery path for inlet fluid.
[0041] One side of the frame 4 is clamped to the clamp 13 of the conveying pipe 3, and the flow limiting head 15 clamped on its through pipe 14 can accurately...
[0042] By controlling the flow rate of the fluid, the flow restrictor 15 can help avoid adverse effects on the patient due to improper fluid flow rate, thus ensuring the safety and effectiveness of the treatment process.
[0043] Example 3:
[0044] To facilitate operation, the device is equipped with a connecting pipe 5 and a sealing pipe 6; the sealing pipe 6 is fixedly installed on one side of the connecting pipe 5, and a connecting pipe is fixedly connected to one side of the connecting pipe 5.
[0045] The collar 16, one side of the connecting tube 5, is snapped into the through tube 14 of the liquid inlet frame 4, and one side of the pusher frame 7 is fixedly installed.
[0046] A push rod 20 is engaged with one side of the push frame 7 via a retaining ring 19.
[0047] It snaps into one side of the needle tube 1, so one side of the connecting tube 5 is connected to the through tube of the inlet holder 4 via the connecting collar 16.
[0048] 14 is snap-fitted, and the other side connects to the closed tube 6, serving as a bridge for connecting and transferring the liquid, ensuring the liquid...
[0049] Smooth flow between components; the side cover 17 on one side of the sealed tube 6 is controlled to open and close via a pull ring 18.
[0050] When the device is not in use, the side cover 17 is tightly closed to prevent external contaminants from entering the connection device and to ensure the sterility of the device. When in use, the side cover 17 is opened to allow the liquid to pass smoothly through the closed tube 6 into the subsequent pipeline.
[0051] In this invention, the working steps of the device are as follows:
[0052] First, align the locking block 10 of the puncture tube 2 with the clamping plate 8 of the needle tube 1 and clamp it firmly to allow puncture.
[0053] The tube 2 is securely mounted on one side of the syringe 1, ensuring the needle 11 is in the proper puncture position. Next, [the needle is then...]
[0054] The middle part of the delivery tube 3 is snapped into the corresponding position of the needle tube 1 to ensure a tight connection and a smooth liquid delivery channel.
[0055] Smoothly, then install the pressure pump 12 on one side of the delivery pipe 3, and adjust the clamp 13 to facilitate connection with...
[0056] The direction of connection of the inlet rack 4 is such that one side of the inlet rack 4 is clamped to the clamp 13 of the delivery pipe 3.
[0057] Then, connect the current limiting head 15 to the through tube 14, and initially adjust the current limiting parameters of the current limiting head 15 according to actual needs.
[0058] Count, then, connect one side of the connecting tube 5 to the through tube 14 of the liquid inlet frame 4 via the connecting collar 16.
[0059] Ensure the connection is secure and leak-free, then connect one side of the sealed tube 6 to the connecting collar 16.
[0060] Connect pipe 5 and check that the side cover 17 is properly closed and that the pull ring 18 is easy to operate.
[0061] Finally, the pusher 7 is secured to one side of the syringe 1 using the retaining ring 19, and the push rod 20 is inserted into the pusher.
[0062] The corresponding slot of frame 7 ensures that push rod 20 can be pushed flexibly.
[0063] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions, and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims.
[0064] Limited by and its equivalents.
Claims
1. A membrane puncture needle connection device, comprising a needle tube (1), characterized in that: A puncture tube (2) is attached to one side of the needle tube (1), a delivery tube (3) is attached to the middle of the needle tube (1), an inlet rack (4) is fixedly installed on one side of the delivery tube (3), a connecting tube (5) is fixedly installed on one side of the inlet rack (4), a sealing tube (6) is fixedly installed on one side of the connecting tube (5), and a pusher rack (7) is fixedly attached to one side of the needle tube (1).
2. The membrane puncture needle connection device according to claim 1, characterized in that: A clamping plate (8) is fixedly installed on one side of the needle tube (1), and an assisting plate (9) is fixedly connected to one side of the needle tube (1).
3. The membrane puncture needle connection device according to claim 2, characterized in that: The top of the puncture tube (2) is fitted with a locking block (10), and a needle (11) is fixedly installed on one side of the puncture tube (2). The locking block (10) passes through the puncture tube (2) and is engaged with the locking plate (8) of the internal needle tube (1).
4. The membrane puncture needle connection device according to claim 1, characterized in that: A pressure pump (12) is fixedly installed on one side of the delivery pipe (3), and a clamping pipe (13) is fixedly installed on one side of the delivery pipe (3).
5. The membrane puncture needle connection device according to claim 4, characterized in that: A through tube (14) is fixedly installed on one side of the liquid inlet rack (4), and a flow limiting head (15) is snapped onto one side of the through tube (14). One side of the liquid inlet rack (4) is snapped onto the clamping tube (13) of the delivery pipe (3).
6. The membrane puncture needle connection device according to claim 5, characterized in that: A connecting collar (16) is fixedly connected to one side of the connecting tube (5), and one side of the connecting tube (5) is snapped into the through tube (14) of the liquid inlet frame (4).
7. The membrane puncture needle connection device according to claim 6, characterized in that: A side cover (17) is fixedly installed on one side of the closed tube (6), and a pull ring (18) is fixedly connected to one side of the side cover (17). One side of the closed tube (6) is engaged with the connecting collar (16) of the connecting tube (5).
8. The membrane puncture needle connection device according to claim 1, characterized in that: A retaining ring (19) is fixedly installed on one side of the pusher (7), and a push rod (20) is snapped into one side of the pusher (7). One side of the pusher (7) is snapped into one side of the needle tube (1) through the retaining ring (19).