CN213031521U

CN213031521U - Blood return prevention device for pediatric nursing venous indwelling needle

Info

Publication number: CN213031521U
Application number: CN202020628642.7U
Authority: CN
Inventors: 张霞; 齐阳
Original assignee: Xiangyang Central Hospital
Current assignee: Xiangyang Central Hospital
Priority date: 2020-04-23
Filing date: 2020-04-23
Publication date: 2021-04-23
Anticipated expiration: 2030-04-23

Abstract

The utility model belongs to the technical field of medical appliances, especially, for a blood return prevention device of needle is kept somewhere to paediatrics nursing vein, including the heparin cap, the lower terminal surface of Y type connector is provided with the extension pipe, and the surface of extension pipe is provided with the hard pipe of moulding, and the surface of hard pipe of moulding is provided with the double-layered pipe support, and the one end of extension pipe is provided with the transfer line, and one side of needle file is provided with the telescopic link, and the up end of telescopic link is provided with the button, and the preceding terminal surface of telescopic link is provided with fixedly. The utility model discloses a set up the hard pipe of moulding, the hard pipe of moulding is protected the extension pipe, prevents that the extension pipe from being buckled, avoids causing children's blood to flow in the extension pipe because of the pipe negative pressure, prevents to cause secondary damage to children, through setting up telescopic link and button, the button is fixed the extension pipe on the telescopic link, and the telescopic link is fixed highly to the extension pipe, when preventing children from moving in disorder, the extension pipe is followed and is moved the reduction height, avoids the emergence of blood return phenomenon.

Description

Blood return prevention device for pediatric nursing venous indwelling needle

Technical Field

The utility model relates to the technical field of medical equipment, specifically be a blood return prevention device of needle is kept somewhere to paediatrics nursing vein.

Background

Intravenous injection is a fundamental method of treating disease, and currently, over 80% of patients need to receive different forms of intravenous infusion therapy during hospitalization, and vein treatment is always required to be continued until the treatment is finished, the existing vein indwelling needle is made of advanced biological materials and is generally used in European and American countries more than 40 years ago as a renewal product of a scalp needle, the vein indwelling needle is a nursing technology developed in nearly 20 years in China, and has good clinical effect, the vein indwelling needle is also called a trocar, and is composed of a steel needle core, a cannula and a plastic needle base, the outer cannula and the needle core are inserted into a blood vessel during puncture, when the cannula is sent into the blood vessel, the needle core is drawn out, and only the soft outer cannula is left in the blood vessel for transfusion, its advantages are no pain caused by repeated puncture, protecting blood vessel, high efficiency and high nursing quality.

There are the following problems:

1. when children use traditional device, do not prevent the device that the extension pipe was buckled, the extension pipe is softer, buckles the extension pipe easily, leads to pipe negative pressure, and children's blood flows to the extension pipe in, leads to the device can not continue to use, and medical staff need carry out the work of puncturing again, causes the secondary injury to children.

2. When children use traditional devices, the device does not have a device for fixing the height of the extension tube, and the height of the extension tube is easily reduced due to the fact that children like to move around, and blood return is caused.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art, the utility model provides a blood return device is prevented to paediatrics nursing vein indwelling needle has solved the device that traditional device did not prevent extension pipe and has not fixed extension pipe height's problem.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a needle is kept somewhere to paediatrics nursing vein prevents back blood device, includes the heparin cap, the lower terminal surface of heparin cap is provided with Y type connector, the up end of Y type connector is provided with the end cap, the lower terminal surface of Y type connector is provided with the extension pipe, the surface of extension pipe is provided with the hard pipe of moulding, the surface of hard pipe of moulding is provided with presss from both sides the pipe support, the one end of extension pipe is provided with the transfer line, the medial surface of transfer line is provided with the steel needle, the lower terminal surface of steel needle is provided with the needle file, one side of needle file is provided with the telescopic link, the up end of telescopic link is provided with the button, the preceding terminal surface of telescopic link is provided with fixed slightly, the up end of transfer line is provided with the pipe, the surface of pipe is provided with the cover body.

As an optimized technical scheme of the utility model, Y type connector swing joint is in the lower terminal surface of heparin cap, end cap swing joint is in the up end of Y type connector.

As an optimal technical scheme of the utility model, extension pipe fixed connection is in the lower terminal surface of Y type connector, hard plastic pipe swing joint is in the surface of extension pipe.

As an optimized technical proposal of the utility model, the pipe clamping frame is movably connected with the outer surface of the hard plastic pipe, and the infusion pipe is fixedly connected with one end of the extension pipe.

As an optimized technical proposal of the utility model, the steel needle is fixedly connected with the inner side surface of the infusion tube, and the needle seat is fixedly connected with the lower end surface of the steel needle.

As an optimal technical scheme of the utility model, telescopic link fixed connection is in one side of needle file, fixed swing joint is in the preceding terminal surface of telescopic link slightly.

As an optimized technical proposal of the utility model, the button is fixedly connected with the upper end surface of the telescopic rod, and the catheter is fixedly connected with the upper end surface of the transfusion tube.

As a preferred technical proposal of the utility model, the cover body is movably connected with the outer surface of the catheter, and the needle holding handle is fixedly connected with one side of the transfusion tube.

Compared with the prior art, the utility model provides a blood return device is prevented to paediatrics nursing vein indwelling needle possesses following beneficial effect:

1. this needle is kept somewhere to paediatrics nursing vein prevents back blood device, through setting up the hard plastic pipe, the hard plastic pipe protects the extension pipe, prevents that the extension pipe from being buckled, avoids causing children's blood to flow into the extension pipe because of the pipe negative pressure, prevents to cause secondary damage to children.

2. This needle is kept somewhere to paediatrics nursing vein and is prevented back blood device, through setting up telescopic link and button, the button will be fixed the extension pipe on the telescopic link, and the telescopic link is fixed highly to the extension pipe, and when preventing children from moving in disorder, the extension pipe is followed and is removed the reduction height, avoids the emergence of back blood phenomenon.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a structural view of the telescopic rod of the present invention;

fig. 3 is a structural view of the button of the present invention.

In the figure: 1. a steel needle; 2. a conduit; 3. a cover body; 4. a needle holding handle; 5. a needle seat; 6. an extension tube; 7. clamping a pipe frame; 8. a rigid plastic pipe; 9. a telescopic rod; 10. a heparin cap; 11. an end cap; 12. a button; 13. a Y-shaped connector; 14. fixing the tip; 15. an infusion tube.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides the following technical solutions: the utility model provides a needle anti-blood-return device is kept somewhere to paediatrics nursing vein, including heparin cap 10, the lower terminal surface of heparin cap 10 is provided with Y type connector 13, the up end of Y type connector 13 is provided with end cap 11, the lower terminal surface of Y type connector 13 is provided with extension pipe 6, the surface of extension pipe 6 is provided with hard plastic tube 8, hard plastic tube 8's surface is provided with double-layered pipe support 7, the one end of extension pipe 6 is provided with transfer line 15, the medial surface of transfer line 15 is provided with steel needle 1, the lower terminal surface of steel needle 1 is provided with needle file 5, one side of needle file 5 is provided with telescopic link 9, the up end of telescopic link 9 is provided with button 12, the preceding terminal surface of telescopic link 9 is provided with fixed 14 slightly, the up end of transfer line 15 is provided with pipe 2, the surface of pipe 2 is provided with the cover body 3.

In this embodiment, the liquid medicine for children is delivered into the Y-connector 13 through the heparin cap 10, the button 12 connects the telescopic rod 9 with the rigid plastic tube 8, the needle seat 5 is used for fixing the position of the steel needle 1, and the Y-connector 13 is connected with the infusion tube 15 through the extension tube 6.

Specifically, the Y-shaped connector 13 is movably connected to the lower end surface of the heparin cap 10, and the end cap 11 is movably connected to the upper end surface of the Y-shaped connector 13.

In this embodiment, the Y-connector 13 provides the extension tube 6 with a medical fluid, and the end cap 11 is used to seal the port of the Y-connector 13.

Specifically, the extension pipe 6 is fixedly connected to the lower end face of the Y-shaped connector 13, and the hard plastic pipe 8 is movably connected to the outer surface of the extension pipe 6.

In this embodiment, the liquid medicine flows into the infusion tube 15 through the diversion of the extension tube 6, and the hard plastic tube 8 prevents the extension tube 6 from bending.

Specifically, the tube clamping frame 7 is movably connected to the outer surface of the rigid plastic tube 8, and the infusion tube 15 is fixedly connected to one end of the extension tube 6.

In this embodiment, the tube holder 7 holds the extension tube 6, and the infusion tube 15 supplies the catheter 2 with a drug solution.

Specifically, the steel needle 1 is fixedly connected to the inner side surface of the infusion tube 15, and the needle seat 5 is fixedly connected to the lower end surface of the steel needle 1.

In the embodiment, the steel needle 1 punctures the blood vessel of the human body, and the needle seat 5 is used for supporting the steel needle 1.

Specifically, the telescopic rod 9 is fixedly connected to one side of the needle seat 5, and the fixed pin 14 is movably connected to the front end face of the telescopic rod 9.

In this embodiment, the telescopic rod 9 is adjusted to the height supported by the extension tube 6 by telescoping, and the fixed pin 14 fixes the length of the telescopic rod 9.

Specifically, the button 12 is fixedly connected to the upper end face of the telescopic rod 9, and the catheter 2 is fixedly connected to the upper end face of the infusion tube 15.

In this embodiment, the button 12 fixes the extension tube 6 to the extension rod 9, and the catheter 2 introduces the medical solution into the blood vessel of the child.

Specifically, the cover body 3 is movably connected to the outer surface of the catheter 2, and the needle holding handle 4 is fixedly connected to one side of the infusion tube 15.

In this embodiment, the cover 3 protects the catheter 2 and the medical professional picks up the device by holding the needle shaft 4 for the puncture procedure.

The utility model discloses a theory of operation and use flow: medical staff takes the cover body 3 down from transfer line 15, take children's blood vessel department with the device through holding needle handle 4, for children carry out puncture work, the puncture is accomplished the back, will mould the corner that pipe 8 removed extension pipe 6 hard, prevent that extension pipe 6 from being buckled and leading to atmospheric pressure to reduce, will press from both sides pipe support 7 again and remove the position that is close to the point of puncture, press and press from both sides pipe support 7 and carry out the centre gripping to extension pipe 6, adjust the height of extension pipe 6, the position of button 12 is adjusted to pulling telescopic link 9, mould pipe 8 hard and fix on telescopic link 9 through button 12, prevent to cause extension pipe 6 height reduction because of children's disorder, avoid the emergence of blood return phenomenon.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a needle anti-blood return device is kept somewhere to paediatrics nursing vein, includes heparin cap (10), its characterized in that: the heparin cap is characterized in that a Y-shaped connector (13) is arranged on the lower end face of the heparin cap (10), an end cap (11) is arranged on the upper end face of the Y-shaped connector (13), an extension pipe (6) is arranged on the lower end face of the Y-shaped connector (13), a hard plastic pipe (8) is arranged on the outer surface of the extension pipe (6), a pipe clamping frame (7) is arranged on the outer surface of the hard plastic pipe (8), a transfusion pipe (15) is arranged at one end of the extension pipe (6), a steel needle (1) is arranged on the inner side face of the transfusion pipe (15), a needle seat (5) is arranged on the lower end face of the steel needle (1), a telescopic rod (9) is arranged on one side of the needle seat (5), a button (12) is arranged on the upper end face of the telescopic rod (9), a fixing pin (14) is arranged on the front end face of the, the outer surface of the catheter (2) is provided with a cover body (3), and one side of the infusion tube (15) is provided with a needle holding handle (4).

2. The pediatric nursing venous indwelling needle blood return prevention device of claim 1, wherein: y type connector (13) swing joint is in the lower terminal surface of heparin cap (10), end cap (11) swing joint is in the up end of Y type connector (13).

3. The pediatric nursing venous indwelling needle blood return prevention device of claim 1, wherein: the extension pipe (6) is fixedly connected to the lower end face of the Y-shaped connector (13), and the hard plastic pipe (8) is movably connected to the outer surface of the extension pipe (6).

4. The pediatric nursing venous indwelling needle blood return prevention device of claim 1, wherein: the pipe clamping frame (7) is movably connected to the outer surface of the hard plastic pipe (8), and the infusion pipe (15) is fixedly connected to one end of the extension pipe (6).

5. The pediatric nursing venous indwelling needle blood return prevention device of claim 1, wherein: the steel needle (1) is fixedly connected to the inner side surface of the infusion tube (15), and the needle seat (5) is fixedly connected to the lower end surface of the steel needle (1).

6. The pediatric nursing venous indwelling needle blood return prevention device of claim 1, wherein: the telescopic rod (9) is fixedly connected to one side of the needle seat (5), and the fixed pin (14) is movably connected to the front end face of the telescopic rod (9).

7. The pediatric nursing venous indwelling needle blood return prevention device of claim 1, wherein: the button (12) is fixedly connected to the upper end face of the telescopic rod (9), and the catheter (2) is fixedly connected to the upper end face of the infusion tube (15).

8. The pediatric nursing venous indwelling needle blood return prevention device of claim 1, wherein: the cover body (3) is movably connected to the outer surface of the catheter (2), and the needle holding handle (4) is fixedly connected to one side of the infusion tube (15).