CN214713699U

CN214713699U - Disposable venous indwelling needle

Info

Publication number: CN214713699U
Application number: CN202023262295.XU
Authority: CN
Inventors: 张建林
Original assignee: Nantong Hengtai Medical Apparatus Co ltd
Current assignee: Nantong Hengtai Medical Apparatus Co ltd
Priority date: 2020-12-30
Filing date: 2020-12-30
Publication date: 2021-11-16
Anticipated expiration: 2030-12-30

Abstract

The utility model discloses a disposable vein indwelling needle, which comprises an indwelling needle tube, wherein the outer wall of one side of the indwelling needle tube is provided with an infusion communicating port communicated with the infusion communicating port, the top of one end of the infusion communicating port, which is far away from the indwelling needle tube, is provided with an infusion hose communicated with the infusion communicating port, the side of one end of the infusion hose, which is far away from the infusion communicating port, is provided with a fixing wrist strap, the middle part of the top surface of one end of the fixing wrist strap is provided with a hose fixing block, and the hose fixing block is sleeved on the outer wall of the infusion hose and is fixedly connected with the infusion hose; the utility model discloses a fixed wrist strap that infusion hose middle part set up, the hose fixed block that sets up through fixed wrist strap one end outer wall will be fixed hose and fixed wrist strap fixed connection, can make fixed hose can not remove at the in-process that uses, improves the stability of keeping somewhere the needle tubing, increases the vein and keeps somewhere the life of needle, more stability when the infusion.

Description

Disposable venous indwelling needle

Technical Field

The utility model relates to the field of medical infusion apparatus, in particular to a disposable venous indwelling needle.

Background

The venous indwelling needle is composed of a stainless steel core, a soft outer sleeve and a plastic needle seat, the outer sleeve and the needle core are inserted into a blood vessel during puncture, the needle core is drawn out after the sleeve is sent into the blood vessel, and only the soft outer sleeve is left in the blood vessel for transfusion.

However, various problems exist in the use process of various disposable venous indwelling needles in the market, the problem that the existing device is not firm in fixing the transfusion hose by using an adhesive tape in use is not solved, and therefore the disposable venous indwelling needle is proposed.

SUMMERY OF THE UTILITY MODEL

In order to overcome prior art's not enough, the utility model provides a needle is kept somewhere to disposable vein, through the fixed wrist strap that sets up at infusion hose middle part, the hose fixed block that sets up through fixed wrist strap one end outer wall will be fixed hose and fixed wrist strap fixed connection, can make the fixed hose can not remove at the in-process that uses, improves the stability of keeping somewhere the needle tubing, increases the vein and keeps somewhere the life of needle, more stable when the infusion.

In order to solve the technical problem, the utility model provides a following technical scheme: a disposable venous indwelling needle comprises an indwelling needle tube, wherein an infusion communicating port is formed in the outer wall of one side of the indwelling needle tube and communicated with the infusion communicating port, an infusion hose is arranged at the top of one end, away from the indwelling needle tube, of the infusion communicating port and communicated with the infusion hose, a fixing wrist strap is arranged on one end, away from the infusion communicating port, of the infusion hose, a hose fixing block is arranged in the middle of the top face of one end of the fixing wrist strap, and the hose fixing block is sleeved on the outer wall of the infusion hose and fixedly connected with the infusion hose.

As the utility model discloses a preferred technical scheme, keep somewhere the needle tubing and be equipped with isolation structure with infusion intercommunication mouth intercommunication department, the inside transparent tee bend of having seted up of isolation structure, the one end that transparent tee bend intercommunication kept somewhere the needle tubing is equipped with isolation stopper and keeps somewhere needle tubing inner wall sealing connection, keeps somewhere that the needle tubing is inside wears to be equipped with the steel needle, inside the steel needle runs through isolation stopper and transparent tee bend, steel needle one end top extended to keep somewhere the needle tubing and be close to the one end top outside of isolation stopper.

As a preferred technical scheme of the utility model, the one end top that the hose fixed block was kept away from to fixed wrist strap is equipped with reduces the structure, reduces the inside tightening knot that is equipped with of structure, and the equidistance draw-in groove has been seted up to one section inner wall of hose fixed block, and the hose fixed block is worn to establish and is being reduced and detain inside.

As a preferred technical scheme of the utility model, it openly is equipped with the tight regulation pole to reduce and detain one side middle part, and the tight regulation pole top is equipped with the turning block.

As an optimized technical scheme of the utility model, the one end top that the steel needle extends to keeping somewhere the needle tubing outside is equipped with gets the needle lid, gets needle lid one side top and is equipped with the pull ring.

As an optimal technical scheme of the utility model, the one end top that infusion intercommunication mouth was kept away from to the infusion hose is equipped with positive pressure valve, and the one end inner wall that infusion hose was kept away from to positive pressure valve is equipped with sealed the pad.

Compared with the prior art, the utility model discloses the beneficial effect that can reach is:

1. the fixing wrist strap is arranged in the middle of the infusion hose, the fixing hose is fixedly connected with the fixing wrist strap through the hose fixing block arranged on the outer wall of one end of the fixing wrist strap, so that the fixing hose cannot move in the using process, the stability of the indwelling needle tube is improved, the service life of the venous indwelling needle is prolonged, and the venous indwelling needle is more stable during infusion;

2. keep somewhere isolation structure that needle tubing and infusion intercommunication mouth junction set up, through its inside transparent tee bend, can be more convenient when the steel needle takes out, be located the inside isolation stopper that sets up of one end that is close to the steel needle of transparent tee bend, avoided the steel needle to extract the back liquid medicine can flow to the outside effectively, improved the leakproofness of keeping somewhere the needle tubing.

Drawings

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

FIG. 2 is an enlarged schematic view of the isolation structure of the present invention;

FIG. 3 is an enlarged side view of the tightening structure of the present invention;

wherein: 1. an indwelling needle tube; 2. an infusion communicating port; 3. a flexible infusion tube; 4. fixing the wrist strap; 5. a compact structure; 6. tightening the buckle; 7. a card slot; 8. a hose fixing block; 9. an isolation structure; 10. a steel needle; 11. an isolation plug; 12. a transparent tee joint; 13. a positive pressure valve; 14. and (6) taking the needle cover.

Detailed Description

In order to make the technical means, the creation features, the achievement purposes and the functions of the invention easy to understand, the invention is further explained below with reference to the specific embodiments, but the following embodiments are only the preferred embodiments of the invention, not all. Based on the embodiments in the implementation, other embodiments obtained by those skilled in the art without any creative work belong to the protection scope of the present invention. The experimental methods in the following examples are conventional methods unless otherwise specified, and materials, reagents and the like used in the following examples are commercially available unless otherwise specified.

Example (b):

as shown in fig. 1, the disposable venous indwelling needle comprises an indwelling needle tube 1, wherein an infusion communicating port 2 is formed in the outer wall of one side of the indwelling needle tube 1 and communicated with the infusion communicating port, an infusion hose 3 is arranged at the top of one end of the infusion communicating port 2, which is far away from the indwelling needle tube 1, and communicated with the infusion communicating port, a fixing wrist strap 4 is arranged at one end of the infusion hose 3, which is far away from the infusion communicating port 2, a hose fixing block 8 is arranged in the middle of the top surface of one end of the fixing wrist strap 4, and the hose fixing block 8 is sleeved on the outer wall of the infusion hose 3 and fixedly connected with the infusion hose;

through the fixed wrist strap 4 that 3 middle parts of infusion hose set up when this device used, the hose fixed block 8 that sets up through 4 one end outer walls of fixed wrist strap will be fixed hose and fixed wrist strap 4 fixed connection, can make fixed hose can not remove at the in-process that uses, improves the stability of keeping somewhere needle tubing 1, increases the vein and keeps somewhere the life of needle, more stability when the infusion.

In another embodiment, as shown in fig. 1 and fig. 2, the embodiment discloses that an isolation structure 9 is arranged at the communication position of an indwelling needle tube 1 and an infusion communication port 2, a transparent tee joint 12 is arranged inside the isolation structure 9, an isolation plug 11 is arranged at one end of the transparent tee joint 12, which is communicated with the indwelling needle tube 1, and is hermetically connected with the inner wall of the indwelling needle tube 1, a steel needle 10 is arranged inside the indwelling needle tube 1 in a penetrating manner, the steel needle 10 penetrates through the isolation plug 11 and the transparent tee joint 12, and the top of one end of the steel needle 10 extends to the outside of the top of one end of the indwelling needle tube 1, which is close to the isolation plug 11;

keep somewhere isolation structure 9 that needle tubing 1 and infusion intercommunication mouth 2 junction set up, through its inside transparent tee bend 12, can be more convenient when steel needle 10 takes out, be located the inside isolating plug 11 that sets up of one end that is close to steel needle 10 of transparent tee bend 12, avoided effectively that the liquid medicine can flow to the outside after steel needle 10 extracts, improved the leakproofness of keeping somewhere needle tubing 1.

In another embodiment, as shown in fig. 1 and 3, the embodiment discloses that a tightening structure 5 is arranged at the top of one end of the fixing wrist strap 4 away from the hose fixing block 8, a tightening buckle 6 is arranged inside the tightening structure 5, a section of inner wall of the hose fixing block 8 is provided with clamping grooves 7 with equal intervals, and the hose fixing block 8 is arranged inside the tightening buckle 6 in a penetrating manner;

the one end that fixed wrist strap 4 kept away from the hose sets up contracts structure 5, can be through the draw-in groove 7 that 4 sections inner walls of fixed wrist strap were seted up with contract 5 blocks of structure, and then adjust the elasticity of wrist strap, more firm when fixed.

In another embodiment, as shown in fig. 3, this embodiment discloses that the tightening buckle 6 has a tension adjusting lever at the middle of the front side, and the top end of the tension adjusting lever has a rotating block;

the tightening buckle has the advantages that the tightening adjusting rod arranged on the front side of one side of the tightening buckle 6 can be controlled to be separated from the clamping groove 7 in the tightening structure 5, the operation is simpler when the tightening buckle is separated from the fixed wrist strap 4, and the rotating block arranged at the top end of the tightening adjusting rod is more convenient to operate.

In another embodiment, as shown in fig. 1, the embodiment discloses that a needle taking cover 14 is arranged at the top of one end of the steel needle 10 extending to the outside of the indwelling needle tube 1, and a pull ring is arranged at the top of one side of the needle taking cover 14;

the needle taking cover 14 arranged at the top of one end of the steel needle 10 extending to the outside of the indwelling needle tube 1 is more convenient to operate when the steel needle 10 is taken out, and the pull ring arranged at the top of one side of the needle taking cover 14 is more convenient to take the needle.

In another embodiment, as shown in fig. 1, the embodiment discloses that a positive pressure valve 13 is arranged at the top of one end of the infusion hose 3 away from the infusion communicating port 2, and a sealing gasket is arranged on the inner wall of one end of the positive pressure valve 13 away from the infusion hose 3;

the positive pressure valve 13 that the infusion hose 3 kept away from the one end top setting of infusion intercommunication mouth 2, after the infusion finishes, can avoid the blood backward flow effectively, the sealed pad that 13 one end inner walls of positive pressure valve set up can prevent that the impurity in the outside from getting into inside the positive pressure valve 13 after the infusion finishes.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only preferred examples of the present invention, and is not intended to limit the present invention, and that the present invention can have various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications all fall into the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. Disposable vein detains needle, including keeping somewhere needle tubing (1), it is equipped with infusion intercommunication mouth (2) and intercommunication to keep somewhere needle tubing (1) one side outer wall, the one end top that infusion intercommunication mouth (2) kept away from to keep somewhere needle tubing (1) is equipped with infusion hose (3) rather than intercommunication, its characterized in that: the infusion hose (3) is kept away from one end side of infusion intercommunication mouth (2) and is equipped with fixed wrist strap (4), fixed wrist strap (4) one end top surface middle part is equipped with hose fixed block (8), hose fixed block (8) cover is established at infusion hose (3) outer wall and fixed connection.

2. The single use venous retention needle of claim 1 wherein: keep somewhere needle tubing (1) and infusion intercommunication mouth (2) intercommunication department and be equipped with isolating structure (9), transparent tee bend (12) have been seted up to isolating structure (9) inside, the one end that transparent tee bend (12) intercommunication was kept somewhere needle tubing (1) is equipped with isolation stopper (11) and is kept somewhere needle tubing (1) inner wall sealing connection, steel needle (10) are worn to be equipped with inside leaving needle tubing (1), inside steel needle (10) run through isolation stopper (11) and transparent tee bend (12), steel needle (10) one end top extends to the one end top outside of keeping somewhere needle tubing (1) and being close to isolation stopper (11).

3. The single use venous retention needle of claim 1 wherein: fixed wrist strap (4) are kept away from the one end top of hose fixed block (8) and are equipped with and reduce structure (5), it tightens knot (6) to reduce structure (5) inside being equipped with to reduce, equidistant draw-in groove (7) are seted up to one section inner wall of hose fixed block (8), hose fixed block (8) are worn to establish and are tightened and detain inside (6).

4. The single use venous retention needle of claim 3 wherein: the middle of the front side of one side of the tightening buckle (6) is provided with a tightness adjusting rod, and the top end of the tightness adjusting rod is provided with a rotating block.

5. The single use venous retention needle of claim 2 wherein: the top of one end of the steel needle (10) extending to the outer side of the indwelling needle tube (1) is provided with a needle taking cover (14), and the top of one side of the needle taking cover (14) is provided with a pull ring.

6. The single use venous retention needle of claim 1 wherein: the infusion hose (3) is kept away from the one end top of infusion intercommunication mouth (2) and is equipped with positive pressure valve (13), the one end inner wall that infusion hose (3) were kept away from in positive pressure valve (13) is equipped with sealed the pad.