CN217448616U - Needle-stick-injury-preventing disposable venous indwelling needle - Google Patents

Abstract

The utility model discloses a needle-prick-prevention wound type disposable venous indwelling needle, including the pipe main part, the lower terminal surface fixed mounting of pipe main part has first connecting block, a side wall fixed mounting of first connecting block has the second connecting block, one side of pipe main part is equipped with the protection piece, the opening has been seted up to the up end of protection piece, the opening corresponds each other with the position of second connecting block, and the protection piece passes through the opening and rotates to be installed on the second connecting block, a side wall of protection piece has been seted up the protection and has been placed the mouth, the protection is placed intraoral both sides wall and has been seted up the installing port. The utility model discloses beneficial effect: through setting up protection piece, extrusion spring and extrusion piece for the device can place the mouth through rotating the protection piece with the syringe needle protection in the protection, thereby makes the syringe needle no longer expose in the air, and then avoids medical personnel to be infected by the syringe needle fish tail when retrieving or taking and putting the device.

Description

Needle-stick-injury-preventing disposable venous indwelling needle

Technical Field

The utility model relates to a vein indwelling needle, in particular to a needle-puncture-preventing type disposable vein indwelling needle.

Background

The application of the venous indwelling needle is a better method for clinical transfusion, on one hand, the venous indwelling needle can relieve the pain of the infants caused by repeated puncture of scalp needles and can be suitable for adults with long-term transfusion. On the other hand, the workload of clinical nurses is also reduced. At present, the needle point of the existing venous indwelling needle after puncturing a patient is exposed in the air, and the needle point after puncturing can contaminate the blood of the patient, so that medical personnel can be easily scratched and infected by the needle point when recovering or taking the needle point.

Therefore, based on the problems, the disposable venous indwelling needle capable of preventing needle stick injuries is designed to solve the problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a prevent that needle stick hinders disposable vein of type and keep somewhere needle to needle point that needle was being kept somewhere after to the puncture to the patient that has now among the solution technique can expose in the air, because the needle point after the puncture can be infected with patient's blood, and medical personnel are retrieving the needle point or are taking the problem of putting the time easily infected by the needle point fish tail.

In order to achieve the above object, the present invention provides the following technical solutions: a needle for preventing needle-prick injury is a disposable venous indwelling needle, which comprises a catheter main body, wherein a first connecting block is fixedly arranged on the lower end face of the catheter main body, a second connecting block is fixedly arranged on one side wall face of the first connecting block, a protecting block is arranged on one side of the catheter main body, an opening is formed in the upper end face of the protecting block, the opening corresponds to the position of the second connecting block, the protecting block is rotatably arranged on the second connecting block through the opening, a protecting placing opening is formed in one side wall face of the protecting block, mounting openings are formed in two side wall faces in the protecting placing opening, the positions of the two mounting openings correspond to each other, an extruding spring and an extruding block are arranged in the two mounting openings, the extruding spring is positioned between the extruding block and one side wall face in the mounting opening, and one end of the extruding spring is fixedly arranged on one side wall face of the extruding block, the other end of the extrusion spring is fixedly arranged on one side wall surface in the mounting port.

Preferably, a needle hole is formed in the middle of the lower end face of the first connecting block, the needle hole penetrates through the first connecting block and the catheter main body in sequence, a connecting port is formed in the upper end face of the catheter main body, and the diameter of the connecting port is larger than that of the needle hole.

Preferably, a needle tube base is arranged above the catheter main body, a connecting base is fixedly mounted on the lower end face of the needle tube base, a needle tube body is fixedly mounted on the lower end face of the connecting base and inserted into the needle hole, and the connecting base is inserted into a connecting port on the upper end face of the catheter main body.

Preferably, the outer wall surface of the needle tube base is provided with a placing groove, and a needle holding handle is arranged in the placing groove.

Preferably, a connecting pipe is fixedly installed at the lower end of one side wall surface of the catheter main body, and a rubber hose is fixedly installed at one end, far away from the catheter main body, of the connecting pipe.

Preferably, the one end fixed mounting that the connecting pipe was kept away from to the rubber hose has various tee bend, two branch pipe up end of various tee bend all overlap and are equipped with the end cap, anti-skidding line has all been seted up to the end cap outer wall.

In the technical scheme, the utility model provides a technological effect and advantage:

the utility model discloses, through setting up the protection piece, extrusion spring and extrusion piece, after medical personnel extracts the syringe needle from the patient is internal like this, anticlockwise rotation protection piece, the rotation of protection piece can extrude the syringe needle to the protection is placed in the mouth, the extrusion of syringe needle can promote the protection and place two interior extrusion pieces of mouth and place mouthful inboard removal to the protection, the extrusion piece can extrude the extrusion spring to the protection when placing mouthful inboard removal, the extrusion spring gives the certain elasticity potential energy of extrusion piece when receiving the extrusion, and then fix the syringe needle in the pipe main part, traditional device compares, the addding of this device makes the device can come the syringe needle protection to place mouthful in the protection through rotating the protection piece, thereby make the syringe needle no longer expose in the air, and then avoid medical personnel to be infected by the syringe needle fish tail when retrieving or taking and putting the device.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present invention, and other drawings can be obtained by those skilled in the art according to these drawings.

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is an exploded view of the present invention.

Fig. 3 is an exploded view of the present invention.

Fig. 4 is an enlarged view of fig. 2A of the present invention.

Description of reference numerals:

1. a catheter body; 2. a first connection block; 3. a second connecting block; 4. a protection block; 5. an opening; 6. protecting the placing port; 7. an installation port; 8. a compression spring; 9. extruding the block; 10. a pinhole; 11. a connection port; 12. a needle tube base; 13. connecting a base; 14. a needle tube body; 15. a placement groove; 16. a needle holding handle; 17. a connecting pipe; 18. a rubber hose; 19. a color tee joint; 20. an end cap.

Detailed Description

The utility model provides a disposable venous indwelling needle for preventing needle-prick wound, as shown in figures 1-4, which comprises a catheter main body 1, wherein a first connecting block 2 is fixedly arranged on the lower end surface of the catheter main body 1, a second connecting block 3 is fixedly arranged on one side wall surface of the first connecting block 2, a protecting block 4 is arranged on one side of the catheter main body 1, an opening 5 is arranged on the upper end surface of the protecting block 4, the positions of the opening 5 and the second connecting block 3 are corresponding to each other, the protecting block 4 is rotatably arranged on the second connecting block 3 through the opening 5, a protecting placing opening 6 is arranged on one side wall surface of the protecting block 4, mounting openings 7 are arranged on two side wall surfaces in the protecting placing opening 6, the positions of the two mounting openings 7 are corresponding to each other, an extruding spring 8 and an extruding block 9 are arranged in the two mounting openings 7, the extruding spring 8 is arranged between the extruding block 9 and one side wall surface in the mounting opening 7, and the one end fixed mounting of extrusion spring 8 is on a lateral wall face of extrusion piece 9, the other end fixed mounting of extrusion spring 8 is on a lateral wall face in installing port 7, compares traditional device, and the device of this device add make the device can place the protection of syringe needle in mouthful 6 through rotating protection piece 4 with the protection to make the syringe needle no longer expose in the air, and then avoid medical personnel to be infected by the syringe needle fish tail when retrieving or taking and putting the device.

Further, in the above technical scheme, a pinhole 10 has been seted up at the lower terminal surface middle part of first connecting block 2, pinhole 10 runs through first connecting block 2, pipe main part 1 in proper order, connector 11 has been seted up to the up end of pipe main part 1, the diameter of connector 11 is greater than the diameter of pinhole 10, the top of pipe main part 1 is equipped with needle tubing base 12, the lower terminal surface fixed mounting of needle tubing base 12 has connection base 13, the lower terminal surface fixed mounting of connection base 13 has needle tubing body 14, needle tubing body 14 is inserted and is established in pinhole 10, and connection base 13 is inserted and is established in connector 11 of pipe main part 1 up end, the dismantlement and the installation of needle tubing body 14 of being convenient for to make the device use more nimble.

Further, in the above technical scheme, a placing groove 15 has been seted up to the outer wall of needle tubing base 12, be equipped with in the placing groove 15 and hold needle handle 16, be convenient for adjust the use angle of needle tubing body 14 through rotating to hold needle handle 16, the lower extreme fixed mounting of pipe main part 1 one side wall has connecting pipe 17, the one end fixed mounting that pipe main part 1 was kept away from to connecting pipe 17 has rubber hose 18, the one end fixed mounting that connecting pipe 17 was kept away from to rubber hose 18 has various tee bend 19, two branch pipe up ends of various tee bend 19 all overlap and are equipped with end cap 20, anti-skidding line has all been seted up to the end cap 20 outer wall, avoids appearing the phenomenon of hand cunning when carrying out the elasticity to end cap 20, and then makes end cap 20's practicality obtain improving.

Principle of operation

The implementation mode is specifically as follows: when the user needs to use the device, the user inserts needle tubing 14 in pinhole 10 at first, and make and connect base 13 and insert in the connector 11 of establishing in pipe main part 1 up end, then it can to prick the needle to the patient through the syringe needle on needle tubing 14 top, after medical personnel pulled out the syringe needle from the patient in vivo, anticlockwise rotation protection piece 4, the rotation of protection piece 4 can extrude the syringe needle to the protection and place in mouthful 6, the extrusion of syringe needle can promote the protection and place two extrusion pieces 9 in mouthful 6 and place mouthful 6 inboard removal to the protection, extrusion piece 9 can extrude extrusion spring 8 to the protection when placing mouthful 6 inboard removal, extrusion spring 8 gives extrusion piece 9 certain elasticity potential energy when receiving the extrusion, and then fix the syringe needle in pipe main part 1.

While certain exemplary embodiments of the present invention have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that the described embodiments may be modified in various different ways without departing from the spirit and scope of the present invention. Accordingly, the drawings and description are illustrative in nature and should not be construed as limiting the scope of the invention.

Claims (6)

1. The utility model provides a disposable vein indwelling needle of type is hindered to needle-puncture prevention, includes catheter body (1), its characterized in that: the lower end face of the pipe main body (1) is fixedly provided with a first connecting block (2), one side wall face of the first connecting block (2) is fixedly provided with a second connecting block (3), one side of the pipe main body (1) is provided with a protecting block (4), the upper end face of the protecting block (4) is provided with an opening (5), the positions of the opening (5) and the second connecting block (3) are mutually corresponding, the protecting block (4) is rotatably arranged on the second connecting block (3) through the opening (5), one side wall face of the protecting block (4) is provided with a protecting placing opening (6), two side wall faces in the protecting placing opening (6) are provided with mounting openings (7), the positions of the two mounting openings (7) are mutually corresponding, two mounting openings (7) are internally provided with an extrusion spring (8) and an extrusion block (9), the extrusion spring (8) is positioned between the extrusion block (9) and one side wall face in the mounting opening (7), one end of the extrusion spring (8) is fixedly arranged on one side wall surface of the extrusion block (9), and the other end of the extrusion spring (8) is fixedly arranged on one side wall surface in the installation opening (7).

2. The needle-stick-resistant disposable venous indwelling needle according to claim 1, wherein: pinhole (10) have been seted up at the lower terminal surface middle part of first connecting block (2), pinhole (10) run through first connecting block (2), pipe main part (1) in proper order, connector (11) have been seted up to the up end of pipe main part (1), the diameter of connector (11) is greater than the diameter of pinhole (10).

3. The needle-stick-resistant disposable venous indwelling needle according to claim 1, wherein: the utility model discloses a catheter, including pipe main part (1), the top of pipe main part (1) is equipped with needle tubing base (12), the lower terminal surface fixed mounting of needle tubing base (12) has connection base (13), the lower terminal surface fixed mounting who connects base (13) has needle tubing body (14), needle tubing body (14) are inserted and are established in pinhole (10), and connect base (13) and insert and establish in connector (11) of pipe main part (1) up end.

4. The needle-stick-resistant disposable venous indwelling needle according to claim 3, wherein: the outer wall surface of the needle tube base (12) is provided with a placing groove (15), and a needle holding handle (16) is arranged in the placing groove (15).

5. The needle-stick-resistant disposable venous indwelling needle according to claim 1, wherein: the lower extreme fixed mounting of pipe main part (1) one side wall has connecting pipe (17), the one end fixed mounting that pipe main part (1) was kept away from in connecting pipe (17) has rubber hose (18).

6. The needle-stick-resistant disposable venous indwelling needle according to claim 5, wherein: the one end fixed mounting that connecting pipe (17) were kept away from in rubber hose (18) has various tee bend (19), two branch pipe up end of various tee bend (19) all overlap and are equipped with end cap (20), anti-skidding line has all been seted up to end cap (20) outer wall.

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