CN215023955U - Novel puncture-proof type remaining needle - Google Patents

Abstract

The utility model discloses a novel needle is kept somewhere to puncture-proof type, including uide sleeve, needle tube seat, protection piece and stand pipe, sliding connection has the needle tube seat in the uide sleeve, the cavity has been seted up in the needle tube seat, one side outer wall integrated into one piece of needle tube seat has the transfer line, the transfer line is linked together with the cavity of needle tube seat, the left end face of needle tube seat is fixed with keeps somewhere the pipe, it is equipped with the puncture syringe needle in the pipe to keep somewhere, the one end of puncture syringe needle extends to in the cavity of needle tube seat, the other end of puncture syringe needle extends to and keeps somewhere outside the pipe, the left side outer wall integrated into one piece of uide sleeve has the protection piece, two screw holes have been seted up to uide sleeve's outer wall symmetry, the threaded hole female connection of uide sleeve has the stand pipe. This novel prevent stabbing type and keep somewhere needle can avoid operation or clearance personnel to be stabbed effectively, and then realizes preventing cross infection's effect.

Description

Novel puncture-proof type remaining needle

Technical Field

The utility model belongs to the technical field of medical instrument, concretely relates to novel needle is kept somewhere to puncture-proof type.

Background

When a patient is in hospital, the patient is weak and needs to be transfused for many times, the needle tube of the existing transfusion is made of stainless steel, but the stainless steel needle tube cannot be left in a blood vessel for a long time, so that the existing transfusion is generally performed by adopting a method of an indwelling needle to avoid many times of puncture. After the indwelling needle penetrates into the blood vessel, the indwelling needle catheter is wrapped outside the stainless steel needle tube, the catheter enters the blood vessel under the guidance of the stainless steel needle tube, then the needle tube is pulled out to leave the catheter in the blood vessel, the catheter can be kept for 3-4 days, the pain of a patient caused by multiple times of puncture is avoided, and the workload of medical care personnel is reduced.

However, the needle tip of the needle tube in the existing indwelling needle usually has no effective shielding protection device, so that medical staff is very easy to be punctured by the stainless steel needle tube after pulling out the stainless steel needle tube or cleaning staff when cleaning the stainless steel needle tube, and cross infection is very easy to cause due to the fact that the needle tip of the stainless steel needle tube is polluted by blood of a patient after puncturing, and great potential safety hazards exist.

Therefore, in order to meet the current situation, the design and production of a novel anti-puncture indwelling needle are urgently needed to meet the requirement of practical use.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a novel needle is kept somewhere to prevent stabbing type to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: novel needle is kept somewhere to puncture-proof type, including uide sleeve, needle tube seat, protection piece and stand pipe, sliding connection has the needle tube seat in the uide sleeve, the cavity has been seted up in the needle tube seat, one side outer wall integrated into one piece of needle tube seat has the transfer line, the transfer line is linked together with the cavity of needle tube seat, the left end face of needle tube seat is fixed with keeps somewhere the pipe, it is equipped with the puncture needle head in the pipe to keep somewhere, the one end of puncture needle head extends to in the cavity of needle tube seat, the other end of puncture needle head extends to outside the keeping somewhere the pipe, uide sleeve's left side outer wall integrated into one piece has the protection piece, two screw holes have been seted up to uide sleeve's outer wall symmetry, uide sleeve's screw hole female connection has the stand pipe.

Preferably, four mounting holes are symmetrically formed in the outer wall of the needle tube seat, a supporting spring is bonded in each mounting hole of the needle tube seat, a fixing pin is slidably connected in each mounting hole of the needle tube seat and is fixedly bonded with the supporting spring, and two guide grooves are symmetrically formed in the needle tube seat.

Preferably, the through-hole has been seted up to one side that the guide sleeve was kept away from to the stand pipe, sliding connection has the guide post in the through-hole of guide pipe, the guide post is located the inside one end integrated into one piece of guide pipe and has the guide block, the one end integrated into one piece that the guide block is close to the needle tube seat has the catch bar, two fixed orificess have been seted up to guide sleeve's outer wall symmetry, the catch bar slides in guide sleeve's fixed orifices, it has compression spring to bond between guide block and the guide pipe, the compression spring cover is established in the outside of guide post, the terminal surface that the guide post is located the guide pipe outside has the press block through the bolt fastening.

Preferably, the left outer wall of the protection piece is provided with an insertion hole, a protection plug is inserted in the insertion hole of the protection piece, a placing groove is formed in the protection plug, the remaining catheter and the puncture needle head both extend into the placing groove of the protection plug, and a lifting block is integrally formed on the left outer wall of the protection plug.

Preferably, the outer wall of the left side of the needle tube seat is integrally formed with a limiting block, and the corresponding position of the needle tube seat and the limiting block is also provided with a plug hole.

The utility model discloses a technological effect and advantage: according to the novel puncture-proof indwelling needle, through the arrangement of the guide sleeve and the protection piece, the puncture needle head can be recovered into the protection piece by pulling the needle tube seat after the indwelling needle is used, and the puncture needle head can be comprehensively wrapped by matching with the arrangement of the protection plug, so that the indwelling needle is prevented from injuring operation or cleaning personnel, and cross infection is prevented; peg graft in guide sleeve's fixed orifices through the fixed pin, and then can prescribe a limit to the position of needle tube seat, avoid needle tube seat to take place to remove in the use, this novel puncture-proof type keeps somewhere the needle, can avoid operation or clearance personnel to be stabbed effectively, and then realizes preventing cross infection's effect.

Drawings

Fig. 1 is a front view of the present invention;

fig. 2 is a cross-sectional view of the present invention;

fig. 3 is an enlarged view of a point a in fig. 2 according to the present invention;

fig. 4 is an enlarged view of the point B in fig. 2 according to the present invention.

In the figure: the device comprises a guide sleeve 1, a needle tube seat 2, a transfusion tube 3, a indwelling catheter 4, a puncture needle 5, a protective part 6, a lifting block 7, a protective plug 8, a limiting block 9, a supporting spring 10, a fixing pin 11, a guide tube 12, a guide post 13, a guide block 14, a push rod 15, a compression spring 16 and a pressing block 17.

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.

Unless the direction is defined separately, the directions of up, down, left, right, front, back, etc. referred to herein are the directions of up, down, left, right, front, back, etc. in the drawings of the present invention, and are herein incorporated by reference.

The utility model provides a novel puncture-proof type indwelling needle as shown in figures 1-4, which comprises a guide sleeve 1, a needle tube seat 2, a protection part 6 and a guide tube 12, the needle tube seat 2 is connected in the guide sleeve 1 in a sliding way, a cavity is arranged in the needle tube seat 2, an infusion tube 3 is integrally formed on the outer wall of one side of the needle tube seat 2, the infusion tube 3 is communicated with the cavity of the needle tube seat 2, an indwelling catheter 4 is fixed on the left end face of the needle tube seat 2, a puncture needle head 5 is arranged in the indwelling catheter 4, one end of the puncture needle head 5 extends into the cavity of the needle tube seat 2, the other end of the puncture needle head 5 extends out of the indwelling catheter 4, the protection piece 6 is integrally formed on the outer wall of the left side of the guide sleeve 1, two threaded holes are symmetrically formed in the outer wall of the guide sleeve 1, and a guide pipe 12 is connected to the threaded holes of the guide sleeve 1 in a threaded manner.

Specifically, four mounting holes have been seted up to the outer wall symmetry of needle tube seat 2, support spring 10 has been bonded in the mounting hole of needle tube seat 2, sliding connection has fixed pin 11 in the mounting hole of needle tube seat 2, fixed pin 11 bonds fixedly with support spring 10, two guide ways have been seted up to the symmetry in the needle tube seat 2.

Specifically, the through-hole has been seted up to one side that guide tube 12 kept away from guide sleeve 1, sliding connection has guide post 13 in the through-hole of guide tube 12, guide post 13 is located the inside one end integrated into one piece of guide tube 12 has guide block 14, the one end integrated into one piece that guide block 14 is close to needle tube seat 2 has catch bar 15, two fixed orificess have been seted up to guide sleeve 1's outer wall symmetry, fixed pin 11 is pegged graft in guide sleeve 1's fixed orifices, catch bar 15 slides in guide sleeve 1's fixed orifices, it has compression spring 16 to bond between guide block 14 and the guide tube 12, compression spring 16 cover is established in guide post 13's outside, the terminal surface that guide tube 13 is located guide tube 12 outside has press block 17 through the bolt fastening.

Specifically, the spliced eye has been seted up to the left side outer wall of protection piece 6, it has protection stopper 8 to peg graft in the spliced eye of protection piece 6, set up the standing groove in the protection stopper 8, keep somewhere in catheter 4 and puncture syringe needle 5 all extend to the standing groove of protection stopper 8, the left side outer wall integrated into one piece of protection stopper 8 has lifting block 7, lifting block 7 and protection stopper 8 are the rubber material.

Specifically, the outer wall of the left side of the needle tube seat 2 is integrally formed with a limiting block 9, and the corresponding positions of the needle tube seat 2 and the limiting block 9 are also provided with inserting holes.

The working principle of the novel puncture-proof indwelling needle is that when a patient needs to be punctured and injected, the protective plug 8 is taken down from the protective part 6, the protective plug 8 is inserted into the insertion holes of the needle tube seat 2 and the limiting block 9, the needle tube seat 2 is pushed by the limiting block 9 to move the needle tube seat 2, the puncture needle head 5 extends out of the protective part 6, the fixing pin 11 is inserted into the fixing hole of the guide sleeve 1 to fix the position of the needle tube seat 2, the puncture needle head 5 is punctured and injected, after the puncture needle head 5 is taken out of the patient after the injection is finished, the two pressing blocks 17 are pressed, the guiding blocks 14 and the pushing rod 15 are pushed by the guiding column 13 through the pressing block 17, the pushing rod 15 abuts against the fixing pin 11 and extrudes the supporting spring 10 to separate the fixing pin 11 from the fixing hole on the guide sleeve 1, and then the needle tube seat 2 is pulled by the limiting block 9, the puncture needle 5 is completely retracted into the protector 6, and the protective plug 8 is inserted into the insertion hole of the protector 6 to completely wrap the puncture needle 5.

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 and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims (5)

1. Novel needle is kept somewhere to puncture-proof type, including uide bushing (1), needle tubing seat (2), protection piece (6) and stand pipe (12), its characterized in that: sliding connection has needle tube seat (2) in guide sleeve (1), the cavity has been seted up in needle tube seat (2), one side outer wall integrated into one piece of needle tube seat (2) has transfer line (3), transfer line (3) are linked together with the cavity of needle tube seat (2), the left end face of needle tube seat (2) is fixed with keeps somewhere pipe (4), it is equipped with puncture needle head (5) in pipe (4) to keep somewhere, the one end of puncture needle head (5) extends to in the cavity of needle tube seat (2), the other end of puncture needle head (5) extends to outside keeping somewhere pipe (4), the left side outer wall integrated into one piece of guide sleeve (1) has protection piece (6), two screw holes have been seted up to the outer wall symmetry of guide sleeve (1), the screw hole female connection of guide sleeve (1) has guide tube (12).

2. The novel puncture-proof indwelling needle according to claim 1, wherein: four mounting holes have been seted up to the outer wall symmetry of needle tube seat (2), it has supporting spring (10) to bond in the mounting hole of needle tube seat (2), sliding connection has fixed pin (11) in the mounting hole of needle tube seat (2), fixed pin (11) are fixed with supporting spring (10) bonding, two guide ways have been seted up to the symmetry in needle tube seat (2).

3. The novel puncture-proof indwelling needle according to claim 1, wherein: the one side that guide tube (12) kept away from guide sleeve (1) has seted up the through-hole, sliding connection has guide post (13) in the through-hole of guide tube (12), guide post (13) are located the inside one end integrated into one piece of guide tube (12) and have guide block (14), the one end integrated into one piece that guide block (14) are close to needle tube seat (2) has catch bar (15), two fixed orificess have been seted up to the outer wall symmetry of guide sleeve (1), catch bar (15) slide in the fixed orifices of guide sleeve (1), it has compression spring (16) to bond between guide block (14) and guide tube (12), compression spring (16) cover is established in the outside of guide post (13), the terminal surface that guide post (13) are located guide tube (12) outside is fixed with through the bolt and is pressed piece (17).

4. The novel puncture-proof indwelling needle according to claim 1, wherein: the left side outer wall of the protection piece (6) is provided with an insertion hole, a protection plug (8) is inserted in the insertion hole of the protection piece (6), a placing groove is formed in the protection plug (8), the remaining catheter (4) and the puncture needle head (5) both extend into the placing groove of the protection plug (8), and a lifting block (7) is integrally formed on the left side outer wall of the protection plug (8).

5. The novel puncture-proof indwelling needle according to claim 1, wherein: the needle tube seat is characterized in that a limiting block (9) is integrally formed on the outer wall of the left side of the needle tube seat (2), and inserting holes are formed in the corresponding positions of the needle tube seat (2) and the limiting block (9).

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