CN214596700U - Anti-drop remaining needle - Google Patents

Abstract

The utility model provides an anti-drop remaining needle, which comprises a three-way infusion tube, the utility model discloses a puncture needle, including extension hose and transparent three-way pipe, extension hose one end and infusion three-way pipe lower port intercommunication, the other end and transparent three-way pipe side port intercommunication, the last velocity of flow regulation clamp that has cup jointed of extension hose, transparent three-way pipe upper port pegs graft and has the puncture needle file, the lateral wall is equipped with holds the needle handle on the puncture needle file, puncture needle file lower extreme is fixed with the pjncture needle of wearing out transparent three-way pipe lower port, port intercommunication has the pipe that cup joints with the pjncture needle under the transparent three-way pipe, the gas transmission passageway has in the body of pipe and transparent three-way pipe, gas transmission passageway lower extreme intercommunication has the fixed spherical gasbag of enclosing locating the pipe surface and can blocking in puncture point the inside, the end is on transparent three-way pipe outer wall, the intercommunication has the gas injection branch pipe on the gas transmission passageway that transparent three-way pipe outer wall corresponds, gas injection branch pipe top sealing connection has the gas injection soft stopper. This application is through the spherical gasbag card after aerifing in the puncture point the inside, has effectively avoided the pipe to drop from the puncture point.

Description

Anti-drop remaining needle

Technical Field

The utility model relates to the technical field of medical equipment, concretely relates to needle is kept somewhere to anti-drop.

Background

The indwelling needle is also called a hose needle, and the hose needle has been used in most countries in Europe, America and Asia for more than 50 years. The catheter needle can be kept for 3-4 days (the keeping time is different according to different medicines, blood vessel conditions and disease factors). The use of the indwelling needle can reduce the pain of the patient caused by repeated venipuncture, phlebitis caused by vascular injury and the fear of the patient to injection, relieve the anxiety of parents of children patients, facilitate clinical treatment medication and emergency treatment medication of critical patients and relieve the workload of nurses, so the venous indwelling needle is widely applied clinically; the length of the remaining time of the venous indwelling needle and the comfort of the patient become the most concerned problems of nurses, patients and family members, and are also the important factors for the successful use of the indwelling needle and the precondition of popularization and application.

Currently, the core components of a venous indwelling needle include a soft catheter/cannula that can be indwelling in a blood vessel, and a stainless steel puncture guiding core. When in use, the catheter and the needle core are firstly punctured into the blood vessel, the needle core is withdrawn after the catheter completely enters the blood vessel, and only the soft catheter is retained in the blood vessel so as to carry out infusion treatment. And the inventor of the utility model discovers through research that at the indwelling in-process, the patient moves about improperly, fixed insecure, the dressing becomes flexible, when wearing to take off the clothes reason such as careless tractive, leads to the pipe to drop out from the point of puncture easily and makes the medicine seepage, influences patient treatment, and certain irritability medicine extravasation still can arouse skin tissue necrosis, increases patient's misery and economic burden, can not guarantee clinical infusion safety very well.

SUMMERY OF THE UTILITY MODEL

Keep somewhere the needle at the in-process to the current, because of patient's activity improper, fixed insecure, dressing not hard up, wear factors such as careless tractive when taking off the clothes, lead to the pipe to drop from the point of puncture easily and make the medicine seepage, influence patient treatment, certain irritability medicine extravasation still can arouse skin tissue necrosis, increase patient's misery and economic burden, can not fine guarantee clinical infusion safe technical problem, the utility model provides an anti-drop keeps somewhere the needle.

In order to solve the technical problem, the utility model discloses a following technical scheme:

an anti-drop remaining needle comprises a three-way infusion tube, an extension tube and a transparent three-way tube, wherein one end of the extension tube is communicated with the lower port of the three-way infusion tube, the other end of the extension tube is communicated with the side port of the transparent three-way tube, a flow rate adjusting clamp is sleeved on the extension tube, a puncture needle seat is inserted into the upper port of the transparent three-way tube, a needle holding handle is arranged on the upper side wall of the puncture needle seat, the lower end of the puncture needle seat is fixedly connected with a puncture needle which penetrates out of the lower port of the transparent three-way tube, the lower port of the transparent three-way tube is communicated with a catheter which is sleeved with the puncture needle, an air conveying channel for circulating injected air is arranged inside the tubes of the catheter and the transparent three-way tube, the air conveying channel is a cylindrical cavity channel which is integrally formed in the tubes of the transparent three-way tube and the catheter, the lower end of the air conveying channel is communicated with a spherical air bag which is fixedly surrounded on the circumferential surface of the catheter and can be clamped in a puncture point after inflation and expansion, the upper end of the gas transmission channel is stopped on the outer wall of the transparent three-way pipe, a gas injection branch pipe is communicated with the gas transmission channel corresponding to the outer wall of the transparent three-way pipe, and the top end of the gas injection branch pipe is hermetically connected with a gas injection soft plug.

Compared with the prior art, when the anti-drop indwelling needle provided by the utility model is used, the catheter and the puncture needle are firstly punctured into the blood vessel, and the puncture needle is withdrawn back through the needle holding handle after the catheter completely enters the blood vessel, so that only the soft catheter is indwelling in the blood vessel; then use gas injection devices such as syringes to pierce the gas injection soft plug and inject air into the gas injection branch pipe, the injected air reaches the spherical air bag through the gas transmission channel, the spherical air bag is inflated, the spherical air bag is clamped in the puncture point of the patient after being expanded, the fixing of the catheter in the puncture point is realized, therefore, the catheter cannot fall off from the puncture point, the unplanned tube drawing can be reduced, the pain and the economic burden of the patient in tube replacement again are reduced, and the safety of intravenous infusion is better guaranteed.

Furthermore, the inner wall of the transparent three-way pipe is connected with a puncture guide isolating plug which is convenient for a puncture needle to pass through, and the puncture guide isolating plug is positioned above the side port of the transparent three-way pipe and communicated with the transparent three-way pipe.

Further, the lower end of the transparent three-way pipe is sleeved with an indwelling needle sheath.

Further, the catheter is made of a polyurethane material.

Drawings

Fig. 1 is a schematic structural view of the anti-drop indwelling needle provided by the present invention without an indwelling needle sheath.

Fig. 2 is a schematic view of the cross-sectional structure of the anti-drop indwelling needle without a three-way infusion tube and an extension hose.

In the figure, 1, a three-way pipe for transfusion; 2. extending the hose; 3. a transparent three-way pipe; 4. a flow rate adjusting clamp; 5. a puncture needle seat; 51. a needle holding handle; 6. puncturing needle; 7. a conduit; 8. a gas transmission channel; 81. a gas injection branch pipe; 82. injecting a gas soft plug; 9. a spherical air bag; 10. a puncture guide isolation plug; 11. the remaining needle sheath.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand and understand, the present invention is further explained by combining with the specific drawings.

In the description of the present invention, it is to be understood that the terms "longitudinal", "radial", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are merely for convenience of description and to simplify the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

Referring to fig. 1 and 2, the utility model provides an anti-drop indwelling needle, which comprises a three-way infusion tube 1, an extension tube 2 and a transparent three-way tube 3, wherein one end of the extension tube 2 is communicated with the lower port of the three-way infusion tube 1, the other end is communicated with the side port of the transparent three-way tube 3, a flow velocity adjusting clamp 4 is sleeved on the extension tube 2, a puncture needle seat 5 is inserted into the upper port of the transparent three-way tube 3, a needle holding handle 51 is arranged on the upper side wall of the puncture needle seat 5, a puncture needle 6 penetrating through the lower port of the transparent three-way tube 3 is fixedly connected to the lower end of the puncture needle seat 5, so that the puncture needle 6 can be punctured conveniently by holding the needle holding handle 51, a conduit 7 sleeved with the puncture needle 6 is communicated with the lower port of the transparent three-way tube 3, an air transmission channel 8 for the circulation of injected air is arranged inside the conduit 7 and the transparent three-way tube 3, the gas transmission channel 8 is a cylindrical cavity channel integrally formed in the transparent three-way pipe and the pipe body of the catheter, namely a cylindrical cavity arranged along the axial direction is arranged in the pipe body of the transparent three-way pipe 3 and the pipe body of the catheter 7, the lower end (the end close to the puncture needle) of the gas transmission channel 8 is communicated with a spherical air bag 9 which is fixedly arranged on the circumferential surface of the catheter 7 in an enclosing mode and can be clamped in the puncture point after inflation, namely the spherical air bag 9 is fixedly arranged on the circumferential surface of the catheter 7 in an enclosing mode and is communicated with the lower end of the gas transmission channel 8, the spherical air bag 9 is almost tightly attached to the circumferential surface of the catheter 7 when not being inflated with air, and can be rapidly inflated and clamped in the puncture point after being inflated with air, the upper end (the end far away from the puncture needle) of the gas transmission channel 8 is stopped on the outer wall of the transparent three-way pipe 3, namely the gas transmission channel 8 is arranged in the pipe body of the transparent three-way pipe 3 and the catheter 7, and the gas transmission channel 8 corresponding to the outer wall of the transparent three-way pipe 3 is communicated with a gas injection branch pipe 81, and the top end of the gas injection branch pipe 81 is hermetically connected with a gas injection soft plug 82, so that the gas injected into the gas injection branch pipe 81 through the gas injection soft plug 82 can be transmitted to the spherical airbag 9 through the gas transmission channel 8 to realize inflation.

Compared with the prior art, when the anti-drop indwelling needle provided by the utility model is used, the catheter and the puncture needle are firstly punctured into the blood vessel, and the puncture needle is withdrawn back through the needle holding handle after the catheter completely enters the blood vessel, so that only the soft catheter is indwelling in the blood vessel; then use gas injection devices such as syringes to pierce the gas injection soft plug and inject air into the gas injection branch pipe, the injected air reaches the spherical air bag through the gas transmission channel, the spherical air bag is inflated, the spherical air bag is clamped in the puncture point of the patient after being expanded, the fixing of the catheter in the puncture point is realized, therefore, the catheter cannot fall off from the puncture point, the unplanned tube drawing can be reduced, the pain and the economic burden of the patient in tube replacement again are reduced, and the safety of intravenous infusion is better guaranteed.

As a specific embodiment, please refer to fig. 2, a puncture guide isolating plug 10 for allowing the puncture needle 6 to pass through is connected to an inner wall of the transparent three-way pipe 3, and the puncture guide isolating plug 10 is located above a side port of the transparent three-way pipe and communicated with the transparent three-way pipe 3, so that the puncture guide isolating plug 10 not only can play a role in guiding when the puncture needle 6 penetrates into the transparent three-way pipe 3, but also can play an isolating role after the medicine passes through the extension hose 2 through the three-way infusion pipe 1 and enters the transparent three-way pipe 3, that is, the liquid medicine is effectively prevented from leaking from the upper end of the transparent three-way pipe 3.

As a specific embodiment, the lower end of the transparent three-way pipe 3 is sleeved with an indwelling needle sheath 11, so that the puncture needle 6 and the catheter 7 can be well cleaned and protected. Of course, on the basis of the above-described embodiments, it is also possible for the person skilled in the art to provide the upper port and the side port of the three-way infusion tube 1 with end caps for cleaning protection, and to remove the end caps during infusion.

As a specific embodiment, the catheter 7 is made of the existing polyurethane material, the performance of the polyurethane elastomer is between that of plastic and rubber, the polyurethane elastomer has outstanding oil resistance, wear resistance, low temperature resistance and aging resistance, and is high in hardness and elasticity and mainly used in the shoe making industry and the medical industry.

Finally, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the present invention can be modified or replaced by other means without departing from the spirit and scope of the present invention, which should be construed as limited only by the appended claims.

Claims (4)

1. An anti-drop indwelling needle comprises a three-way infusion pipe, an extension hose and a transparent three-way pipe, and is characterized in that one end of the extension hose is communicated with a lower port of the three-way infusion pipe, the other end of the extension hose is communicated with a side port of the transparent three-way pipe, a flow velocity adjusting clamp is sleeved on the extension hose, a puncture needle seat is inserted into the upper port of the transparent three-way pipe, a needle holding handle is arranged on the upper side wall of the puncture needle seat, a puncture needle penetrating out of the lower port of the transparent three-way pipe is fixedly connected to the lower end of the puncture needle seat, a catheter sleeved with the puncture needle is communicated with the lower port of the transparent three-way pipe, an air delivery channel for injecting air to circulate is arranged inside the bodies of the catheter and the transparent three-way pipe, the air delivery channel is a cylindrical cavity channel integrally formed in the bodies of the transparent three-way pipe and the catheter, the lower end of the air delivery channel is communicated with a spherical air bag fixedly surrounded on the circumferential surface of the catheter and can be clamped in the point after inflation, the upper end of the gas transmission channel is stopped on the outer wall of the transparent three-way pipe, a gas injection branch pipe is communicated with the gas transmission channel corresponding to the outer wall of the transparent three-way pipe, and the top end of the gas injection branch pipe is hermetically connected with a gas injection soft plug.

2. The anti-drop indwelling needle according to claim 1, wherein the inner wall of the transparent three-way tube is connected with a puncture guide isolating plug for the puncture needle to pass through, and the puncture guide isolating plug is positioned above the side port of the transparent three-way tube and is communicated with the transparent three-way tube.

3. The anti-drop indwelling needle according to claim 1, wherein an indwelling needle sheath is fitted over the lower end of the transparent tee.

4. The anti-drop indwelling needle according to claim 1, wherein the catheter is made of a polyurethane material.

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