CN211535990U

CN211535990U - Remaining needle convenient to use

Info

Publication number: CN211535990U
Application number: CN201921115991.2U
Authority: CN
Inventors: 王冲
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-07-17
Filing date: 2019-07-17
Publication date: 2020-09-22
Anticipated expiration: 2029-07-17

Abstract

The utility model discloses a remaining needle which belongs to the technical field of medical equipment and is convenient to use, comprising a positive pressure joint, a transparent tee joint, an end cap, a conduit, a connecting joint, an injection tube and a single-hand clamp, wherein the bottom of the positive pressure joint is spliced with a positive pressure valve, the top of the positive pressure joint is provided with a clamping groove, the transparent tee joint is fixedly arranged on the clamping groove, the end cap is fixedly arranged at the right port of the transparent tee joint, the end cap joint is fixedly arranged on the end cap, the conduit is spliced in an inner cavity of the positive pressure valve, the connecting joint is sleeved at the top of the conduit, the connecting valve is spliced at the bottom of the connecting joint, the top of a rubber connecting tube is provided with a reset spring, the pain of a patient is reduced, the accumulation of liquid medicine at the needle tube is avoided, the sanitary quality is improved, the infusion stability is improved.

Description

Remaining needle convenient to use

Technical Field

The utility model relates to the technical field of medical equipment, in particular to an indwelling needle convenient to use.

Background

The use of remaining needle can reduce the patient because of relapse the misery that the vein puncture caused and to the fear sense of making the needle, alleviate the anxious mood of patient, the clinical medicine of being convenient for, urgency, critical patient's rescue is used medicine, alleviate nurse's work load, it is painful to reduce the patient, therefore the vein is kept somewhere the needle and is being used at clinical wide, in the face of this special colony of patient, the length of vein is kept somewhere the needle and the comfortable problem that becomes nurse and head of a family most concerned with of patient, also keep somewhere the mark that the needle was used successfully and the prerequisite of popularization.

The venous indwelling needle is also called as venous trocar. The core components include a flexible catheter/cannula that can be indwelling in a blood vessel, and a stainless steel puncture guiding stylet. When in use, the catheter and the needle core are punctured into a blood vessel together, after the catheter completely enters the blood vessel, the needle core is withdrawn, and only the soft catheter is left in the blood vessel so as to carry out infusion treatment.

At present, an indwelling needle is designed into a whole, the burden of a patient body is easily increased after multiple use, blood residue is easily caused at a needle tube joint (a transparent tee joint and a catheter), the catheter is blocked and blood embolism is caused, and air embolism is easily caused inside the indwelling needle.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a needle keeps somewhere that facilitates use to increase patient's health burden, lead to the problem of pipe blood jam and air embolism that proposes in solving above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the pressure-resistant injection syringe comprises a positive pressure joint, a transparent tee joint, an end cap, a conduit, a connecting joint, an injection tube and a single-hand clamp, wherein a positive pressure valve is inserted into the bottom of the positive pressure joint, the top of the positive pressure joint is connected with the transparent tee joint, the right port of the transparent tee joint is fixedly provided with the end cap, the end cap is fixedly provided with the end cap joint, the conduit is inserted into an inner cavity of the positive pressure joint, the top of the conduit is sleeved with the connecting joint, the bottom of the connecting joint is inserted with a connecting valve, the inner cavity of the connecting joint is inserted with a rubber connecting tube, the top of the rubber connecting tube is provided with a return spring, the injection tube is fixedly arranged at the top of the connecting joint, the left side of the inner cavity of the injection tube is inserted with an isolating plug, the right side of the isolating, the conduit is provided with a single-hand clamp in a buckling mode.

Preferably, the syringe adapter is located on the right side of the septum.

Preferably, rubber pads are arranged at the joint of the transparent tee joint and the clamping groove and the joint of the transparent tee joint and the end cap for sealing.

Preferably, the junction of the transparent tee joint and the positive pressure joint is sealed by a rubber pad, and the end cap is made of spiral medical plastic.

Preferably, the positive pressure valve, the end cap and the connecting valve are provided with anti-skidding lines, and the tail end of the positive pressure valve is sealed by a rubber pad.

Preferably, the conduit is provided with a herringbone branch pipe at the transparent tee joint, the left side of the herringbone branch pipe is connected with the positive pressure joint, and the right side of the herringbone branch pipe is connected with the right cavity of the transparent tee joint.

Preferably, the two sides of the needle holding handle are both provided with anti-skidding threads, so that the needle can be conveniently held by hands when the indwelling needle is punctured.

Preferably, the connection joint is internally provided with a spring channel, and the internal structure forms a trapezoid.

Preferably, the joint part of the connecting joint is made into an inclined plane, the joint of the injection pipe joint and the connecting joint is provided with a boss matched with the inclined plane, the joint of the injection pipe joint and the connecting joint is an integral body, and the joint part of the connecting joint is made into an inclined plane.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses a what facilitate use keeps somewhere the needle, keeps somewhere the needle and can dismantle, facilitates the use, reduces patient's misery to, avoid needle tubing department liquid medicine to pile up, improve sanitary quality, needle tubing joint department adopts the components of a whole that can function independently design, avoids blood to remain, prevents that the pipe from blockking up, reduces inside air embolism simultaneously, improves infusion stability.

Drawings

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

fig. 2 is the schematic diagram of the internal structure of the connecting valve of the present invention.

In the figure: 100 positive pressure joints, 110 positive pressure valves, 120 clamping grooves, 200 transparent tee joints, 300 end caps, 310 end cap joints, 400 catheters, 500 connecting joints, 510 connecting valves, 520 rubber connecting pipes, 530 return springs, 600 injection pipes, 610 isolating plugs, 620 injection needles, 630 puncture needle holders, 631 needle handles, 640 infusion tee joints and 700 single-hand clamps.

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.

The utility model provides a convenient remaining needle, which can be disassembled to avoid the accumulation of liquid medicine and blood residue at the needle tube (three-way 200) and improve the sanitary quality, please refer to fig. 1, comprising a positive pressure joint 100, a transparent three-way 200, an end cap 300, a catheter 400, a connecting joint 500, an injection tube 600 and a single-hand clamp 700;

referring to fig. 1 again, the positive pressure connector 100 has a positive pressure valve 110 and a clamping groove 120, the positive pressure connector 100 is used for connecting the conduit 400 and the positive pressure valve 110, the positive pressure valve 110 is used for connecting the conduit 400 to prevent the liquid in the conduit 400 from flowing backwards, the clamping groove 120 is used for connecting the transparent tee 200, and the positive pressure connector 100 and the positive pressure valve 110 are made of plastic.

Referring to fig. 1 again, a transparent tee 200 is embedded in the top of the positive pressure connector 100 for connecting the positive pressure connector 100 and the end cap 300, and the transparent tee 200 is made of plastic.

Referring to fig. 1 again, the end cap 300 has an end cap connector 310, specifically, the end cap 300 is installed at the right port of the transparent tee 200, the end cap connector 310 and the right port of the transparent tee 200 are both provided with threads, the end cap 300 is rotatably installed and fixed with the threads on the right port of the transparent tee 200 through the end cap connector 310, the end cap 300 is rotated to adjust the infusion air pressure according to the connection tightness between the end cap 300 and the transparent tee 200, and the end cap 300 is made of plastic.

Referring to fig. 1 again, the conduit 400 is used to connect the positive pressure connector 100, the transparent tee 200, the connecting connector 500 and the syringe 600, and the liquid medicine is delivered through the conduit 400, and the conduit 400 is made of silica gel.

Referring to fig. 1 and 2, the connection joint 500 includes a connection valve 510, a rubber connection tube 520 and a return spring 530, the connection joint 500 is sleeved on the top of the catheter 400, the connection valve 510 is inserted into the bottom of the connection joint 500, the rubber connection tube 520 is inserted into the inner cavity of the connection joint 500, the rubber connection tube 520 is used for installing the injection tube 600, the return spring 530 is placed on the top of the rubber connection tube 520, the connection strength between the connection joint 500 and the injection tube 600 is enhanced by tightening, and the connection joint 500 is made of plastic.

Referring to fig. 1 again, the injection tube 600 has an isolation plug 610, an injection needle 620, a puncture needle seat 630, a needle holding handle 631 and an infusion tee 640, the injection tube 600 is mounted on the top of the connection joint 500, the isolation plug 610 is inserted into the inner cavity of the injection tube 600, the injection needle 620 is inserted into the inner cavity of the isolation plug 610, the right side of the injection needle 620 extends out of the injection tube 600, the puncture needle seat 630 is inserted into the injection tube 600 and welded on the left side wall of the injection tube 600, the needle holding handle 631 is welded on the top of the injection tube 600, the infusion tee 640 is integrated with the injection tube 600 and arranged on the right side of the bottom of the injection tube 600.

Referring again to fig. 1, a one-hand clamp 700 is mounted on the catheter 400 through a clamping groove for adjusting the infusion speed and temporarily closing the infusion, and the one-hand clamp 700 is made of plastic.

When specific use, medical personnel press puncture needle file 630 and insert injection needle 620 into the human body, carry the liquid medicine through pipe 400, adjust infusion atmospheric pressure according to the connection compactness of end cap 300 and transparent tee 200, make the liquid medicine stably flow out, and reset spring 530 places at rubber connecting pipe 520 top, strengthens attach fitting 500 and injection tube 600's joint strength through pushing up tightly.

Referring to fig. 1 again, in order to improve safety, the syringe connector 640 is located at the right side of the isolating plug 610, so as to prevent liquid medicine from being accumulated and polluted after long-term use.

For convenience, the tail end 110 of the positive pressure joint 100 is sealed by a rubber pad, and the end cap 300 and the connecting valve 510 are provided with anti-slip threads, so that the operation is convenient and the slipping is avoided.

For convenience of use, the conduit 400 is provided with a herringbone branch pipe at the transparent tee joint 200, the left side of the herringbone branch pipe is connected with the positive pressure connector 100, and the right side of the herringbone branch pipe is connected with the right cavity of the transparent tee joint 200, so that gas and liquid can be conveniently circulated.

In order to facilitate treatment, the connecting joint 500 is internally provided with a spring channel, and the inner structure forms a trapezoid, so that the flow of liquid is increased, and clinical infusion and treatment are facilitated.

In order to facilitate liquid infusion, the joint part of the connection joint 500 is made into an inclined plane, so that the liquid flow can be increased, the connection part of the injection pipe joint 500 and the connection joint 640 is provided with a boss matched with the inclined plane, so that the boss is conveniently connected with the connection joint 500, the connection part of the injection pipe joint 640 and the connection joint 500 is provided with a boss matched with the inclined plane, so that the boss is conveniently connected with the connection joint 500, and the injection pipe joint 640 can be directly used for infusion.

While the invention has been described above with reference to an embodiment, various modifications may be made and equivalents may be substituted for elements thereof without departing from the scope of the invention. In particular, as long as there is no structural conflict, the various features of the disclosed embodiments of the present invention can be used in any combination with each other, and the description of such combinations is not exhaustive in the present specification only for the sake of brevity and resource conservation. Therefore, it is intended that the invention not be limited to the particular embodiments disclosed, but that the invention will include all embodiments falling within the scope of the appended claims.

Claims

1. The utility model provides an indwelling needle that facilitates use which characterized in that: the injection tube connecting device comprises a positive pressure connector (100), a transparent tee joint (200), an end cap (300), a guide tube (400), a connecting connector (500), an injection tube (600) and a single-hand clamp (700), wherein a positive pressure valve (110) is inserted into the bottom of the positive pressure connector (100), the transparent tee joint (200) is connected with the top of the positive pressure connector (100), the end cap (300) is fixedly installed at the right side port of the transparent tee joint (200), the end cap connector (310) is fixedly installed on the end cap (300), the guide tube (400) is inserted into an inner cavity of the positive pressure connector (100), the connecting connector (500) is sleeved at the top of the guide tube (400), the connecting valve (510) is inserted into the bottom of the connecting connector (500), a rubber connecting tube (520) is inserted into an inner cavity of the connecting connector (500), a reset spring (530) is arranged at the top of, injection tube (600) inner chamber left side is pegged graft and is had isolation stopper (610), it has syringe needle (620) to peg graft on isolation stopper (610) right side, injection tube (600) left side wall fixed mounting has puncture needle file (630), fixed mounting has needle handle (631) on puncture needle file (630), injection tube (600) bottom is equipped with injection pipe joint (640), buckle installation one-hand clamp (700) on pipe (400).

2. A convenient indwelling needle as claimed in claim 1, in which: the syringe adapter (640) is located on the right side of the septum (610).

3. A convenient indwelling needle as claimed in claim 1, in which: rubber pads are arranged at the joint of the transparent tee joint (200) and the clamping groove (120) and the joint of the transparent tee joint (200) and the end cap (300) for sealing.

4. A convenient indwelling needle as claimed in claim 1, in which: the junction of the transparent tee joint (200) and the positive pressure joint (100) is sealed by a rubber pad, and the end cap (300) is made of spiral medical plastic.

5. A convenient indwelling needle as claimed in claim 1, in which: the positive pressure valve (110), the end cap (300) and the connecting valve (510) are provided with anti-skidding lines, and the tail end of the positive pressure valve (110) is sealed by a rubber pad.

6. A convenient indwelling needle as claimed in claim 1, in which: the guide pipe (400) is provided with a herringbone branch pipe at the position of the transparent tee joint (200), the left side of the herringbone branch pipe is connected with the positive pressure joint (100), and the right side of the herringbone branch pipe is connected with the right cavity of the transparent tee joint (200).

7. A convenient indwelling needle as claimed in claim 1, in which: the two sides of the needle holding handle (631) are both provided with anti-skid lines, so that the needle can be held by hands conveniently when the remaining needle is punctured.

8. A convenient indwelling needle as claimed in claim 1, in which: the connecting joint (500) is internally provided with a spring channel, and the internal structure forms a trapezoid.

9. A convenient indwelling needle as claimed in claim 1, in which: the joint part of the connecting joint (500) is made into an inclined plane, the joint of the injection pipe joint (640) and the connecting joint (500) is provided with a boss matched with the inclined plane, the joint of the injection pipe joint (640) and the connecting joint (500) is a whole, and the joint part of the connecting joint (500) is made into an inclined plane.