Multifunctional puncture needle

Abstract

The utility model relates to the technical field of medical supplies, in particular to a multifunctional puncture needle, which solves the problem that the existing puncture needle is single in function and comprises a hose, a needle wing, a needle head and a movable hemostatic clip are arranged on the hose, and a micro three-way device is arranged at one end, far away from the needle head, of the hose. A pressure measuring film, a latex plug and a control valve assembly are arranged on the micro three-way device, the control valve assembly controls different connectors of the three-way device to be communicated with the hose, the latex plug is detachably connected with the micro three-way device, the pressure measuring function is achieved, the two puncture requirements of pre-filling-free zero-pressure puncture and pre-filling puncture of the puncture needle can be met, and good development prospects are achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of medical supplies, in particular to a multifunctional puncture needle. Background Art

[0002] The needle wings of the arteriovenous fistula puncture needle in the prior art have the following problems: 1. During use, due to the long use time, the time that the needle wing part presses the skin is also prolonged, which has the risk of causing skin damage; 2. When using the puncture needle, the heparin cap at the tail needs to be unscrewed, and the hose needs to be filled with saline before the heparin cap can be tightened before use, which increases the risk of contamination; 3. After puncture, it is necessary to use additional tape for cross-reverse fixation to increase firmness, which requires more tape to be prepared. If the tape is not properly fixed during use, the stickiness of the tape is easy to stick to other parts, causing unnecessary pulling. In addition, if the needle tip position and angle need to be adjusted, they need to be torn off completely, and then pasted and fixed after adjustment, and even the tape needs to be used again for fixation, which greatly reduces the stickiness of the tape and increases the operating procedures of nurses. At the same time, excessive tape sticking increases skin irritation, causing skin allergies, which brings inconvenience to nurses and patients; 4. When zero-pressure puncture is required, an empty needle and a sterile pressure measuring membrane device need to be connected separately, which brings inconvenience to nurses. Utility Model Content

[0003] In order to solve the above technical problems, the purpose of the utility model is to provide a multifunctional puncture needle, which solves the problem that the existing puncture needles have a single function.

[0004] In order to achieve the above-mentioned purpose, the technical solution adopted by the utility model is: a multifunctional puncture needle, including a hose, on which needle wings, a needle and a movable hemostatic clamp are arranged, a micro-tee device is arranged at the end of the hose away from the needle, a pressure measuring membrane, a latex plug and a control valve assembly are arranged on the micro-tee device, the control valve assembly controls different interfaces of the tee to be connected with the hose, and the latex plug is detachably connected to the micro-tee device.

[0005] By adopting the above technical solution, the pressure measurement function is combined, and two puncture requirements of zero-pressure puncture without pre-charging of the puncture needle and pre-charging puncture can be realized.

[0006] Furthermore, the micro-tee device includes a lower interface, a side interface and an upper interface, the upper interface is connected to the hose, the latex plug is arranged at the lower interface, and the pressure measuring membrane is arranged at the side interface.

[0007] By adopting the above technical solution, the connection between the latex plug, the pressure measuring membrane, the hose and the micro-tee device is achieved.

[0008] Furthermore, a reverse belt ring is arranged on the hose, and the reverse belt ring is cross-ringed on the hose and is connected to the hose so as to be movable up and down.

[0009] By adopting the above technical solution, the position of the anti-pocket belt ring can be adjusted according to needs.

[0010] Furthermore, both ends of the reverse belt ring have self-adhesive structures.

[0011] By adopting the above technical solution, it is convenient to fix the reverse pocket belt ring

[0012] Furthermore, the latex plug is made of elastic material.

[0013] By adopting the above technical solution, puncture can be performed directly and the device can be sealed automatically after the puncture is completed.

[0014] Furthermore, the micro three-way device is detachably connected to the hose.

[0015] By adopting the above technical solution, the micro three-way device can be removed.

[0016] Furthermore, the needle wing is of butterfly-shaped design.

[0017] By adopting the above technical solution, the skin contact area is increased and the stability of the puncture needle is enhanced.

[0018] Furthermore, the needle wing includes a hollow support layer and a cotton layer.

[0019] By adopting the above technical solution, air permeability is increased and pressure on the skin is reduced.

[0020] Furthermore, the hollow support layer is made of hard plastic, and a hollow structure for ventilation is arranged on the surface. The surface layer is arranged on the side of the hollow support layer that contacts the patient's skin, is made of cotton cloth, and has a certain adsorption capacity.

[0021] By adopting the above technical solution, air permeability is increased and pressure on the skin is reduced.

[0022] Compared with the prior art, the advantages of the utility model are: 1. Compared with the existing puncture needles, it has multiple functions, a micro-tee device switches the connecting port, and a pressure measuring membrane, a soft rubber plug, and a connecting hose are respectively arranged at each interface to realize two puncture requirements: zero-pressure puncture without pre-charging of the puncture needle and pre-charging puncture; 2. The product has good air permeability, less pressure on the patient, and strong comfort; 3. The design of the soft rubber plug replacing the heparin cap reduces product use pollution and improves safety. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 It is a schematic diagram of the structure of the utility model.

[0024] Figure 2 It is a schematic diagram of the structure of the utility model in state 1.

[0025] Figure 3 This is a schematic diagram of the structure of the second state of the utility model.

[0026] Figure 4 It is a schematic diagram of the moving state of the reverse pocket belt ring of the utility model.

[0027] Figure 5 This is a schematic diagram of the movable hemostatic clamp of the utility model in moving state.

[0028] In the figure: 1. hose, 2. needle wing, 3. needle, 401. upper interface, 402. lower interface, 403. side interface, 404. handle, 405. arc plate, 5. pressure measuring membrane, 6. latex plug, 7. movable hemostatic clip, 8. reverse pocket belt ring. DETAILED DESCRIPTION

[0029] The present invention will be described in further detail below in conjunction with the accompanying drawings.

[0030] Embodiment 1: By Figures 1 to 5 A multifunctional puncture needle is provided, comprising a hose 1, on which a needle wing 2, a needle 3 and a movable hemostatic clamp 7 are arranged. The movable hemostatic clamp 7 can move up and down along the hose, and the switch is controlled by pressing. Clamping forms a closure on the hose, and the hose is connected up and down after loosening. A micro-tee device is arranged at one end of the hose 1 away from the needle 3, and a pressure measuring membrane 5, a latex plug 6 and a control valve assembly are arranged on the micro-tee device. The control valve assembly controls different interfaces of the tee to be connected with the hose 1, and the latex plug 6 is detachably connected to the micro-tee device.

[0031] On the basis of the above embodiment, the micro-tee device includes a lower interface 402, a side interface 403 and an upper interface 401, the upper interface 401 is connected to the hose, the latex plug 6 is arranged at the end of the lower interface 402, the pressure measuring membrane 5 is arranged at the side interface 403, the control valve assembly includes an arc plate 405 located inside the tee and a handle 404 located outside the tee for the operator to turn to drive the arc plate to rotate, a connecting plate is arranged between the handle 404 and the arc plate 405 to realize the driving, and the arc plate rotates between the lower interface 402, the side interface 403 and the upper interface 401 to realize two connection states:

[0032] State 1: By Figure 2 It is shown that when performing an empty needle zero-pressure puncture, the movable hemostatic clip 7 on the puncture needle is opened and in an open state, the control valve assembly points to the pressure measuring membrane 5, and the arc plate 405 rotates to stick to the inner wall of the side of the tee opposite to the side interface 403, and the pressure measuring membrane 5 is connected with the lower interface 402 and the upper interface 401, thereby achieving a zero-pressure state connected to the outside world;

[0033] State 2: By Figure 3After the puncture is successful, the control valve assembly is rotated to make the arc plate 405 block the pressure measuring membrane, so that the pressure measuring membrane is in a closed state, and only the upper interface 401 and the lower interface 402 are connected. The semi-arc design does not affect the flow of liquid and reduces resistance.

[0034] The latex plug 6 is made of elastic soft rubber material and is usually in a closed state. When the puncture needle needs to be pre-filled with saline, the nipple interface of the pipeline is directly connected to the latex plug at the tail of the puncture needle. Saline pre-filling can be carried out when the nipple passes through the latex plug. After the pre-filling is completed, the latex plug will be pulled out directly and close automatically under the action of its own elasticity. Compared with the original puncture needle with a heparin cap, the design of loading and unloading the original heparin cap is simplified when the puncture needle is pre-filled with saline, thereby achieving the purpose of reducing the risk of contamination, while meeting the two puncture requirements of puncture needle pre-filling-free zero-pressure puncture and pre-filled puncture.

[0035] Embodiment 2, on the basis of embodiment 1, an anti-pocket ring 8 is provided on the hose 1, and the anti-pocket ring 8 is cross-ringed on the hose 1 and is movably connected to the hose 1 up and down, and the anti-pocket ring 8 includes self-adhesive structures at both ends, and the self-adhesive structure can be a rubber coating layer. Before puncture, the anti-pocket ring 8 is moved to the side away from the needle wing to avoid obstruction of puncture. When the puncture is successful, it is moved to the side close to the needle wing. When fixing, the anti-pocket ring is used to directly cross and reverse fix it, which increases the firmness of the puncture needle, reduces the risk of the puncture needle slipping, reduces the use of tape for fixing, and reduces the operation process.

[0036] Embodiment 3, on the basis of embodiment 1, the needle wing 2 is a butterfly-shaped design, and the needle wing 2 includes a hollow supporting layer and a cotton layer. The hollow supporting layer is made of hard plastic, and a hollow structure for air permeability is arranged on the surface. The surface layer is arranged on the side of the hollow supporting layer in contact with the patient's skin, and is made of cotton cloth. The cotton layer plays a buffering role, and is combined with a large-area butterfly-shaped needle wing design. In addition to enhancing the stability of the puncture needle, it also improves the pressure caused by long-term contact between the needle wing and the skin. In addition, if there is bleeding, the cotton layer has a certain adsorption effect.

[0037] On the basis of the above embodiment, the micro-tee device is detachably connected to the hose 1, the hose is fixed on the tee upper interface 401, and the micro-tee device is pulled out to complete the disassembly.

[0038] Although the preferred embodiments of the present invention are described in detail above, it should be clearly understood that the present invention may be modified and varied by those skilled in the art. Any modification, equivalent substitution, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A multifunctional puncture needle, comprising a hose (1), on which a needle wing (2), a needle head (3) and a movable hemostatic clip (7) are arranged, characterized in that: A micro-tee device is arranged at one end of the hose (1) away from the needle (3), and a pressure measuring membrane (5), a latex plug (6) and a control valve assembly are arranged on the micro-tee device. The control valve assembly controls different interfaces of the tee to communicate with the hose (1), and the latex plug (6) is detachably connected to the micro-tee device.

2. A multifunctional puncture needle according to claim 1, characterized in that: The micro-tee device comprises a lower interface (402), a side interface (403) and an upper interface (401), wherein the upper interface (401) is connected to a hose, the latex plug (6) is arranged at the lower interface (402), and the pressure measuring membrane (5) is arranged at the side interface (403).

3. A multifunctional puncture needle according to claim 1, characterized in that: The hose (1) is provided with a reverse belt ring (8), which is cross-ringed on the hose (1) and is sleeved with the hose (1) so as to be movable up and down.

4. A multifunctional puncture needle according to claim 3, characterized in that: Both ends of the reverse belt ring (8) are provided with self-adhesive structures.

5. The multifunctional puncture needle according to claim 1, characterized in that: The latex plug (6) is made of elastic material.

6. The multifunctional puncture needle according to claim 1, characterized in that: The micro three-way device is detachably connected to the hose (1).

7. The multifunctional puncture needle according to claim 1, characterized in that: The needle wing (2) is of butterfly-shaped design.

8. The multifunctional puncture needle according to claim 7, characterized in that: The needle wing (2) comprises a hollow support layer and a cotton layer.

9. The multifunctional puncture needle according to claim 8, characterized in that: The hollow support layer is made of hard plastic, and a hollow structure for ventilation is arranged on the surface; the cotton layer is arranged on the side of the hollow support layer that contacts the patient's skin, and is made of cotton cloth.

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