CN110639086A

CN110639086A - Novel puncture-proof transfusion needle

Info

Publication number: CN110639086A
Application number: CN201810667457.6A
Authority: CN
Inventors: 不公告发明人
Original assignee: Cao Zhenglan
Current assignee: Cao Zhenglan
Priority date: 2018-06-26
Filing date: 2018-06-26
Publication date: 2020-01-03

Abstract

The invention discloses a novel puncture-proof infusion needle which comprises a connector, an end cap, external threads and a conduit connecting seat, wherein the connector and a connecting branch head are arranged on the conduit connecting seat, a heparin cap is arranged on the connector, the end cap is arranged on the connecting branch head, the external threads are arranged on the connector and the connecting branch head, a sealing head is arranged below the conduit connecting seat, an extension pipe is arranged at one end of the sealing head, a sliding pipe sealing clamp is arranged on the extension pipe, a three-way joint is arranged at one end of the extension pipe, and an isolating plug is arranged in the three-way joint. Has the advantages that: the invention can realize that the transfusion needle is left in the vein, the left tube is a soft tube, the normal activity of the human body can not be influenced, the invention is very convenient, the transfusion needle can be continuously used for several days after one-time needle insertion, the pain of the patient can be effectively weakened, the waste of resources can be reduced, and the working pressure and the labor intensity of nurses can be reduced.

Description

Novel puncture-proof transfusion needle

Technical Field

The invention relates to the technical field related to medical instruments, in particular to a novel puncture-proof infusion needle.

Background

Intravenous infusion is a method of infusing a large amount of sterile liquid, electrolyte and medicine into the body from veins by utilizing the principles of atmospheric pressure and hydrostatic pressure, and the intravenous infusion is called as intravenous infusion method by infusing a large amount of liquid, electrolyte or blood from veins. The injection site and the transfusion are different, and the injection can be classified into peripheral venous transfusion, central venous transfusion, high nutrient Transfusion (TPN), blood transfusion and the like. According to statistics of relevant departments, the infusion amount of China is 104 hundred million bottles per year, the average number of 8 bottles per person is greatly larger than that of 2.5-3.5 bottles in developed countries, and injuries brought to patients by infusion are obvious, particularly, a traditional intravenous infusion needle is made of stainless steel, and the tip of the needle is a beveled cut, so that venous blood vessels of the patients are easily punctured, the phenomenon of liquid leakage in the infusion process is caused, namely, a bulging needle is commonly called and is easy to cause secondary injuries to the patients. The traditional hard needle can only be used once, and needs to be pricked again for each transfusion, which brings great pain to patients, and the needle is easy to run during the transfusion process, thus causing doctor-patient disputes.

Disclosure of Invention

Technical problem to be solved

In order to overcome the defects of the prior art, a novel puncture-preventing infusion needle is provided, and the problems that the existing infusion needle is easy to puncture the vein of a patient, cause accidental injury, run away and the like are solved.

(II) technical scheme

The invention is realized by the following technical scheme: the invention provides a novel puncture-proof transfusion needle, which comprises a connector, an end cap, external threads and a catheter connecting seat, wherein the connector and a connecting branch head are arranged on the catheter connecting seat, a heparin cap is arranged on the connector, the end cap is arranged on the connecting branch head, the external threads are arranged on the connector and the connecting branch head, a sealing head is arranged below the catheter connecting seat, an extension pipe is arranged at one end of the sealing head, a sliding seal pipe clamp is arranged on the extension pipe, a three-way joint is arranged at one end of the extension pipe, an isolation plug is arranged in the three-way joint, a sliding groove is arranged on the three-way joint, a sliding block is arranged in the sliding groove, a fin-shaped needle seat is arranged at one side of the three-way joint, anti-slip particles are arranged on the fin-shaped needle seat, a needle head is arranged on the sliding block, and a, and a sheath is arranged on the outer side of the soft catheter.

Furthermore, the soft catheter is made of TEFLON polyurethane, and the needle head is made of stainless steel.

Further, the connector with through threaded connection between the heparin cap, connect the branch head with through threaded connection between the end cap.

Further, the catheter connecting seat is designed in a Y shape, the catheter connecting seat is made of plastic, the heparin cap is made of plastic, and the end cap is made of plastic.

Furthermore, the extension pipe is a transparent hose, the sliding pipe sealing clamp is made of white plastic, the extension pipe is connected with the guide pipe connecting seat in a sealing mode, and the extension pipe is connected with the three-way connector in a sealing mode.

Furthermore, the three-way connector is made of plastic, the fin-shaped needle seat is made of plastic, and the fin-shaped needle seat and the three-way connector are fixed through welding.

Further, the sheath is the plastics material, be provided with the taper hole in the sheath, the sheath with it is fixed through the joint between the three way connection, anti-skidding granule is the silica gel material.

(III) advantageous effects

Compared with the prior art, the invention has the following beneficial effects:

1. in order to solve the problem that the vein of a patient is easily punctured by the existing hard needle head, the needle point of the transfusion needle is arranged in an arc shape, and a soft catheter is arranged outside the needle head, so that a certain protection effect can be achieved, and the patient is prevented from being punctured by the needle head;

2. in order to solve the problems that the existing needle head is disposable, the resource consumption is large, and the patients feel more pain when frequently puncturing the needle, the needle head is utilized to perform puncturing transfusion, the transfusion needle can be detained in the venous blood vessel of the patients for 3-5 days, and the needle can be used for a long time when being punctured once, so that the resource waste caused by frequently using the disposable needle head can be avoided, and the pain of the patients can be relieved;

3. for solving the problem that current syringe needle runs the needle easily, this transfusion needle places the pipeline of staying in the blood vessel and is the hose, can not influence human normal activity, is particularly useful for children disease, reduces the misery that the infant led to the fact because of relapse venipuncture and to the fear of injection, alleviates the irritated mood of the head of a family, and the clinical medication of being convenient for can reduce nurse's work burden, improves nurse's work efficiency.

Drawings

FIG. 1 is a schematic structural view of a novel puncture-proof infusion needle according to the present invention;

FIG. 2 is a schematic structural view of a catheter connecting seat in the novel puncture-proof infusion needle according to the present invention;

FIG. 3 is a schematic view of a three-way joint of the novel anti-puncture transfusion needle of the invention.

The reference numerals are explained below:

1. a connector; 2. an end cap; 3. an external thread; 4. a catheter connecting base; 5. a sealing head; 6. an extension tube; 7. sliding the pipe sealing clamp; 8. an isolation plug; 9. a chute; 10. a fin-shaped needle base; 11. anti-skid particles; 12. a slider; 13. a three-way joint; 14. a flexible conduit; 15. a needle head; 16. a heparin cap; 17. connecting the branch heads; 18. a sheath.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

As shown in fig. 1-3, a novel anti-stab infusion needle comprises a connector 1, an end cap 2, an external thread 3 and a catheter connector seat 4, the catheter connector seat 4 is provided with the connector 1 and a connecting branch head 17, the connector 1 is used for sealing a needle head 15, the connecting branch head 17 is used for connecting with an infusion tube, the connector 1 is provided with a heparin cap 16, the heparin cap 16 is used for sealing the connector 1, the connecting branch head 17 is provided with the end cap 2, the end cap 2 is used for sealing the connecting branch head 17, the connector 1 and the connecting branch head 17 are both provided with the external thread 3, a sealing head 5 is arranged below the catheter connector seat 4, one end of the sealing head 5 is provided with an extension tube 6, the extension tube 6 is used for connecting the catheter connector seat 4 and a three-way joint 13, the extension tube 6 is provided with a sliding tube clamp 7, the sliding tube clamp 7 is used for clamping and sealing the extension, one end of the extension tube 6 is provided with a three-way joint 13, an isolation plug 8 is arranged in the three-way joint 13, a sliding groove 9 is arranged on the three-way joint 13, a sliding block 12 is arranged in the sliding groove 9, the sliding groove 9 and the sliding block 12 are used for taking out a needle 15, a fin-shaped needle seat 10 is arranged on one side of the three-way joint 13, the fin-shaped needle seat 10 is used for fixing an infusion needle, anti-skid particles 11 are arranged on the fin-shaped needle seat 10, the needle 15 is arranged on the sliding block 12, a flexible catheter 14 is arranged on the outer side of the needle 15, the flexible catheter 14 can be placed in a vein, a protective sleeve 18 is arranged on the.

Wherein, the soft pipe 14 chooses for use the TEFLON polyurethane material, syringe needle 15 is stainless steel material, pass through threaded connection between connector 1 and the heparin cap 16, connect and pass through threaded connection between branch head 17 and the end cap 2, pipe connecting seat 4 is "Y" type design, pipe connecting seat 4 chooses for use the plastics material, heparin cap 16 is the plastics material, end cap 2 is the plastics material, extension tube 6 chooses for use the transparent hose, slide seal pipe clamp 7 chooses for use the white plastics material, sealing connection between extension tube 6 and the pipe connecting seat 4, sealing connection between extension tube 6 and the three way connection 13, three way connection 13 is the plastics material, fin-shaped needle file 10 is the plastics material, through welded fastening between fin-shaped needle file 10 and the three way connection 13, sheath 18 is the plastics material, be provided with the taper hole in the sheath 18, it is fixed through the joint to pass through the joint between sheath 18 and the three way connection 13, anti-skid particle.

The working principle of the novel puncture-proof transfusion needle provided by the invention is as follows: when the transfusion needle is used, vein blood vessels are selected to disinfect the skin surface, the disinfection range is 8 x 8cm, a tourniquet is pricked 10cm above the disinfection range, the sheath 18 is vertically upwards removed, the needle is loosened left and right, gas in the extension tube 6 is exhausted, the skin is tightly taken, the vein is straightly punctured, the needle is inserted at 15-30 degrees, the needle insertion is slow, the needle is inserted 0.2cm after blood returns, the fin-shaped needle base 10 is tightly pressed, the sliding block 12 is operated, the needle head 15 is retracted, the soft catheter 14 is completely sent into the vein blood vessel, then the tourniquet is loosened, the dropping speed is adjusted, the fin-shaped needle base 10 is fixed by taking the puncture point as the center, one side of the fin-shaped needle base 10 with the anti-skid particles 11 is contacted with the skin, normal transfusion can be carried out, the puncture point is kept clean and dry, the transparent sticker is replaced once after 2-3 days, the fixed stability of the fin-shaped needle base 10 is, the heparin cap 16 is opened, the remaining irritant liquid medicine is flushed into blood flow by using tube sealing liquid, so that local blood vessels are prevented from being stimulated to keep venous access, blockage caused by blood coagulation at the head end of the hose when next connection transfusion is carried out is avoided, the liquid medicine injection head is pulled out by a method of pushing the liquid medicine and withdrawing the needle, the heparin cap 16 is sterilized before secondary transfusion, and the injection head is connected again after flushing.

The above-described embodiments are merely illustrative of the preferred embodiments of the present invention and do not limit the spirit and scope of the present invention. Various modifications and improvements of the technical solutions of the present invention may be made by those skilled in the art without departing from the design concept of the present invention, and the technical contents of the present invention are all described in the claims.

Claims

1. The utility model provides a novel prevent stabbing transfusion needle which characterized in that: comprises a connector (1), an end cap (2), an external thread (3) and a conduit connecting seat (4), wherein the connector (1) and a connecting branch head (17) are arranged on the conduit connecting seat (4), a heparin cap (16) is arranged on the connector (1), the end cap (2) is arranged on the connecting branch head (17), the external thread (3) is arranged on the connector (1) and the connecting branch head (17), a sealing head (5) is arranged below the conduit connecting seat (4), an extension pipe (6) is arranged at one end of the sealing head (5), a sliding pipe sealing clamp (7) is arranged on the extension pipe (6), a three-way joint (13) is arranged at one end of the extension pipe (6), an isolating plug (8) is arranged in the three-way joint (13), and a chute (9) is arranged on the three-way joint (13), a sliding block (12) is arranged in the sliding groove (9), a fin-shaped needle base (10) is arranged on one side of the three-way joint (13), anti-skid particles (11) are arranged on the fin-shaped needle base (10), a needle head (15) is arranged on the sliding block (12), a soft catheter (14) is arranged on the outer side of the needle head (15), and a sheath (18) is arranged on the outer side of the soft catheter (14).

2. The novel puncture-proof infusion needle as claimed in claim 1, characterized in that: the soft catheter (14) is made of TEFLON polyurethane, and the needle head (15) is made of stainless steel.

3. The novel puncture-proof infusion needle as claimed in claim 1, characterized in that: connector (1) with through threaded connection between heparin cap (16), connect branch head (17) with through threaded connection between end cap (2).

4. The novel puncture-proof infusion needle as claimed in claim 1, characterized in that: the catheter connecting seat (4) is designed in a Y shape, the catheter connecting seat (4) is made of plastic, the heparin cap (16) is made of plastic, and the end cap (2) is made of plastic.

5. The novel puncture-proof infusion needle as claimed in claim 1, characterized in that: the extension pipe (6) is a transparent hose, the sliding pipe sealing clamp (7) is made of white plastic, the extension pipe (6) is in sealing connection with the guide pipe connecting seat (4), and the extension pipe (6) is in sealing connection with the three-way joint (13).

6. The novel puncture-proof infusion needle as claimed in claim 1, characterized in that: the fin-shaped needle seat (10) is made of plastic materials, and the fin-shaped needle seat (10) and the three-way joint (13) are fixed through welding.

7. The novel puncture-proof infusion needle as claimed in claim 1, characterized in that: the anti-skidding plastic pipe is characterized in that the protective sleeve (18) is made of plastic materials, a conical hole is formed in the protective sleeve (18), the protective sleeve (18) is fixed to the three-way joint (13) through clamping, and the anti-skidding particles (11) are made of silica gel materials.