Multifunctional internal fistula puncture needle
By designing a multifunctional fistula puncture needle containing a shunt tube, a bifurcation pipe assembly and a pipe closure switch, the problems of difficulty in drawing blood or injecting drugs and poor syringe tube closure in the prior art are solved, and convenient blood extraction is achieved and drug injection, and effective syringe closure effect.
Patent Information
- Application Number
- CN202420619013.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-03-28
- Publication Date
- 2025-02-07
- Estimated Expiration
- 2034-03-28
AI Technical Summary
The existing multifunctional fistula puncture needles are difficult to draw blood or inject drugs when used, and it is difficult to effectively close the needle, resulting in the possible flow of blood to other channels.
A multifunctional fistula puncture needle is designed, including the main needle tube, shunt tube, bifurcation pipe assembly, delivery connection pipe mouth, pipe mouth cap, pipe closure switch and multifunction connector. The blood is realized through the arrangement of these components. shunt, injection of drugs and syringe closure.
It realizes easy blood extraction and drug injection without disconnection, and effectively prevents blood from flowing into other pipes through the pipe closing switch, improving the convenience of operation and closing effect.
Smart Images
Figure CN222426161U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of medical puncture needles, in particular to a multifunctional internal fistula puncture needle. Background Art
[0002] Arteriovenous fistula is mainly used for hemodialysis treatment. The artery and adjacent vein on the arm near the wrist are sutured so that arterial blood flows in the anastomosed vein, forming an arteriovenous fistula. During hemodialysis, the blood in the artery flows into the hemodialysis machine through the fistula puncture needle. The hemodialysis machine filters the blood and then returns it to the veins through the fistula puncture needle to achieve blood purification.
[0003] The existing multifunctional fistula puncture needle is used.
[0004] (1) It is difficult to draw blood or inject drugs when the patient is on dialysis, which requires disconnection and is troublesome;
[0005] (2) It is difficult to close the needle tube, so as to prevent blood from flowing into other channels during blood drawing.
[0006] In view of the above problems, the utility model provides a multifunctional internal fistula puncture needle. Utility Model Content
[0007] The purpose of the utility model is to provide a multifunctional internal fistula puncture needle, which can easily draw blood and easily inject drugs into patients, and secondly can close the pipeline through a switch, thereby solving the problems in the background technology.
[0008] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a multifunctional internal fistula puncture needle, comprising a main needle tube, a shunt tube is fixedly connected to one side of the middle part of the main needle tube, one end of the shunt tube is fixedly connected to a forked pipeline assembly, one end of the bottom of the forked pipeline assembly is fixedly connected to a delivery connecting pipe mouth, a pipe mouth cap is sleeved on the bottom of the delivery connecting pipe mouth, a pipeline closing switch is slidably connected to the upper surface of the main needle tube, and one end of the main needle tube is fixedly connected to a multifunctional connector.
[0009] Furthermore, the other end of the main needle tube is fixedly connected to a syringe connector, and one side of the syringe connector is fixedly connected to a needle wing, thereby achieving a connection effect.
[0010] Furthermore, one end of the syringe connector is fixedly connected to a puncture needle, and a protective sleeve is sleeved on the upper surface of the puncture needle to achieve a protective effect.
[0011] Furthermore, the other end of the bottom of the bifurcated pipeline assembly is fixedly connected to a blood collection tube, and the pipeline closing switch is made of an elastic plate, thereby achieving a blood collection effect.
[0012] Furthermore, a plug is fixedly connected to the bottom of the blood collection tube, and the plug is made of a medical tube plug, thereby achieving a plug-in effect.
[0013] Furthermore, a blood delivery syringe is sleeved on the bottom of the plug, and a blood collecting tube is plugged into the upper surface of the blood delivery syringe, thereby achieving the effect of collecting blood.
[0014] Compared with the prior art, the beneficial effects of the utility model are as follows:
[0015] The utility model provides a multifunctional fistula puncture needle.
[0016] (1) By setting up the shunt tube and the bifurcated pipe assembly, the shunt effect is achieved during use. The bifurcated pipe assembly can be used to easily draw blood and inject drugs from patients without having to disconnect the pipe for processing, thereby improving the convenience effect.
[0017] (2) By setting the pipeline closing switch and the connector, the closing effect is achieved during use, and the needle tube can be pressed to close it, so as to avoid blood flowing into other pipelines during blood drawing, thereby improving the closing effect. BRIEF DESCRIPTION OF THE DRAWINGS
[0018] Figure 1 It is an overall schematic diagram of the utility model;
[0019] Figure 2 This is a schematic diagram of the puncture needle of the utility model;
[0020] Figure 3 This is a schematic diagram of a bifurcated pipeline assembly of the utility model;
[0021] Figure 4 This is a schematic diagram of the main needle tube of the utility model.
[0022] In the figure: 1. main needle tube; 2. shunt tube; 3. bifurcated pipeline assembly; 4. delivery connection pipe mouth; 5. pipe mouth cap; 6. pipeline closing switch; 7. multi-function connector; 8. syringe connector; 9. needle wing; 10. puncture needle; 11. protective cover; 12. blood collection tube; 13. plug; 14. blood delivery syringe; 15. blood collection tube; 301. first bifurcated tube; 302. second bifurcated tube; 303. first one-way valve; 304. second one-way valve. DETAILED DESCRIPTION
[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0024] In order to solve the problem of how to effectively locate and adjust the technology, such as Figure 1-4 As shown, the following preferred technical solutions are provided:
[0025] A multifunctional fistula puncture needle comprises a main needle tube 1, a shunt tube 2 is fixedly connected to one side of the middle of the main needle tube 1, and other suction or injection functions can be performed through the setting of the shunt tube 2, thereby achieving a shunt effect; one end of the shunt tube 2 is fixedly connected to a bifurcated pipeline assembly 3, and one end of the bottom of the bifurcated pipeline assembly 3 is fixedly connected to a delivery connection pipe mouth 4, and through the setting of the delivery connection pipe mouth 4, drugs can be delivered, thereby achieving a delivery effect; a pipe mouth cap 5 is sleeved on the bottom of the delivery connection pipe mouth 4, and through the setting of the pipe mouth cap 5, protection can be performed to avoid contamination at the pipe mouth, thereby achieving a protection effect; a pipe closing switch 6 is slidably connected to the upper surface of the main needle tube 1, and through the setting of the pipe closing switch 6, the pipe can be closed, thereby achieving a closing effect; one end of the main needle tube 1 is fixedly connected to a multifunctional connector 7.
[0026] Specifically, the patient is first punctured by the puncture needle 10 on the main needle tube 1. After the puncture, when the medical staff needs to draw blood or cancel the medicine from the patient, the pipeline closing switch 6 can be closed to the main needle tube 1 first, and then the extraction or injection can be carried out through the shunt tube 2.
[0027] Further, such as Figure 2 As shown, the following preferred technical solutions are provided:
[0028] The other end of the main needle tube 1 is fixedly connected to a syringe connector 8, and one side of the syringe connector 8 is fixedly connected to a needle wing 9. The purpose of this design is to enable connection through the syringe connector 8 to avoid mismatching of the puncture needle 10 and causing the puncture needle 10 to fall off, thereby achieving the effect of fixed connection.
[0029] Further, such as Figure 2 As shown, the following preferred technical solutions are provided:
[0030] One end of the syringe connector 8 is fixedly connected to a puncture needle 10, and a protective cover 11 is sleeved on the upper surface of the puncture needle 10. The purpose of this design is to prevent the puncture needle 10 from being exposed to the outside through the protective cover 11, so as to avoid contamination of the puncture needle 10, thereby achieving a safety effect.
[0031] Further, such as Figure 1 As shown, the following preferred technical solutions are provided:
[0032] The other end of the bottom of the bifurcated pipe assembly 3 is fixedly connected to a blood sampling tube 12, and the pipe closing switch 6 is made of an elastic plate. The purpose of this design is to extract blood through the blood sampling tube 12 to facilitate the examination of the patient's blood, thereby achieving the effect of blood collection.
[0033] Further, such as Figure 2 As shown, the following preferred technical solutions are provided:
[0034] A plug 13 is fixedly connected to the bottom of the blood collection tube 12. The plug 13 is made of a medical tube plug. The purpose of this design is to facilitate the connection of the blood delivery syringe 14 through the plug 13 to avoid the pipeline being disconnected and unstable, thereby achieving the effect of fixed connection.
[0035] Further, such as Figure 1 As shown, the following preferred technical solutions are provided:
[0036] A blood delivery syringe 14 is sleeved on the bottom of the plug 13, and a blood collecting tube 15 is inserted on the upper surface of the blood delivery syringe 14. The purpose of this design is to extract blood from the patient through the blood delivery syringe 14, so as to facilitate testing of the patient through the blood, and there is no need to disconnect the blood delivery syringe 14 when the patient is undergoing dialysis, thereby achieving the effect of easily extracting blood.
[0037] Embodiment 1:
[0038] See also Figure 3 One end of the diversion pipe 2 is fixedly connected to a bifurcated pipe assembly 3, one side of the bottom of the bifurcated pipe assembly 3 is fixedly connected to a first bifurcated pipe 301, and the other side of the bottom of the bifurcated pipe assembly 3 is fixedly connected to a second bifurcated pipe 302. The first bifurcated pipe 301 is provided to achieve a diversion effect;
[0039] Embodiment 2:
[0040] See also Figure 3 The first bifurcated pipe 301 is internally fixedly connected with a first one-way valve 303, and the second bifurcated pipe 302 is internally fixedly connected with a second one-way valve 304. The first one-way valve 303 plays a one-way role;
[0041] In summary:
[0042] 1. First, puncture the patient through the puncture needle 10 on the main needle tube 1. After puncture, when the medical staff needs to draw blood or cancel the medicine from the patient, the pipeline closing switch 6 can be closed to the main needle tube 1 first, and then the extraction or injection can be carried out through the shunt tube 2;
[0043] 2. When injecting medicine, just remove the nozzle cap 5, inject the medicine through the delivery connection nozzle 4, inject it into the main needle tube 1 through the first one-way valve 303 and the first bifurcated tube 301, and then flow into the patient's body;
[0044] 3. When drawing blood, you only need to close the pipeline closing switch 6 to allow blood to pass through the blood delivery syringe 14 and the blood collection tube 15 to be drawn out. There is no need to worry about blood flowing to other pipe openings through the second one-way valve 304.
[0045] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.
[0046] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. A multifunctional fistula puncture needle, comprising a main needle tube (1), characterized in that: A shunt tube (2) is fixedly connected to one side of the middle of the main needle tube (1), a forked pipeline assembly (3) is fixedly connected to one end of the shunt tube (2), a delivery connection pipe opening (4) is fixedly connected to one end of the bottom of the forked pipeline assembly (3), a pipe opening cap (5) is sleeved on the bottom of the delivery connection pipe opening (4), a pipe closing switch (6) is slidably connected to the upper surface of the main needle tube (1), and a multifunctional connector (7) is fixedly connected to one end of the main needle tube (1).
2. A multifunctional fistula puncture needle according to claim 1, characterized in that: The other end of the main needle tube (1) is fixedly connected to a syringe connector (8), and one side of the syringe connector (8) is fixedly connected to a needle wing (9).
3. A multifunctional fistula puncture needle according to claim 2, characterized in that: One end of the syringe connector (8) is fixedly connected to a puncture needle (10), and the upper surface of the puncture needle (10) is sleeved with a protective cover (11).
4. The multifunctional fistula puncture needle according to claim 1, characterized in that: The other end of the bottom of the bifurcated pipeline assembly (3) is fixedly connected to a blood collection tube (12), and the pipeline closing switch (6) is made of an elastic plate.
5. A multifunctional fistula puncture needle according to claim 4, characterized in that: A plug (13) is fixedly connected to the bottom of the blood collection tube (12), and the plug (13) is made of a medical tube plug.
6. A multifunctional fistula puncture needle according to claim 5, characterized in that: A blood delivery syringe (14) is sleeved on the bottom of the plug (13), and a blood collection tube (15) is inserted on the upper surface of the blood delivery syringe (14).