CN215937379U

CN215937379U - Paediatrics is with artery blood gas needle that can improve puncture efficiency

Info

Publication number: CN215937379U
Application number: CN202120688167.7U
Authority: CN
Inventors: 郭凤
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-04-06
Filing date: 2021-04-06
Publication date: 2022-03-04
Anticipated expiration: 2031-04-06

Abstract

The utility model provides a scheme aiming at solving the problem that the hard skin of a child is carelessly pulled out of an injector and arterial blood collection fails easily in the background technology. According to the utility model, the needle head is connected with the needle cylinder through the arranged hose, so that the medical staff can conveniently puncture the arterial blood vessel, the puncture success rate is higher, the connection is firmer through the threaded connection of the connecting cover at one end of the hose and the connecting pipe at one end of the needle cylinder, the situation that the hose is inadvertently pulled out by the naughty children is avoided to a greater extent, the success rate of collection work is further ensured, the needle head can be fixedly stored, the needle head is prevented from shaking everywhere when the medical staff holds the needle cylinder, and the situation that the naughty children touch the needle head to be injured is effectively prevented.

Description

Paediatrics is with artery blood gas needle that can improve puncture efficiency

Technical Field

The utility model relates to the technical field of medical instruments, in particular to an arterial blood-gas needle for pediatrics, which can improve puncture efficiency.

Background

Medical personnel gather and carry out the chemical examination with the blood gas to patient's state of an illness is the important step to patient's analysis of an illness, and at present, current artery blood gas collection system includes needle tubing and the syringe needle of installing on the needle tubing.

The prior art can refer to chinese patent with granted publication number CN109875571A, and it discloses a special arterial blood gas collector of children, including syringe, extension hose and needle body, and the anticoagulant is stored in the syringe, extension hose one end and needle body fixed connection, the other end is equipped with the connector of pegging graft with the syringe port.

In prior art, the port grafting of connector and syringe is passed through to the one end of extension hose, and the connectivity is relatively poor, if at the in-process of gathering arterial blood, if the stubborn skin of children is good at and moves, carelessly pulls out the hose from the syringe, causes the pollution of syringe port, leads to gathering the failure, needs puncture collection again, and the efficiency of the collection work that so not only reduces also can cause children's misery, provides a paediatrics with the arterial blood gas needle that can improve puncture efficiency now.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defects in the prior art, and provides an arterial blood-gas needle for pediatrics, which can improve puncture efficiency.

In order to achieve the purpose, the utility model adopts the following technical scheme:

an arterial blood-gas needle capable of improving puncture efficiency for pediatrics comprises a needle cylinder and a needle head, wherein one end of the needle head is fixedly connected with a hose, one end of the hose is connected with one end of the needle cylinder through a connecting mechanism, and a needle head accommodating mechanism is arranged on the outer surface of the needle cylinder;

coupling mechanism includes the connection lid of fixed connection in hose one end and sets up the connecting pipe in cylinder one end, the connecting pipe is provided with the external screw thread on keeping away from the one end outer wall of cylinder, the connection lid is provided with the internal thread on keeping away from the one end inner wall of hose, the connection lid passes through threaded connection with the connecting pipe, cylinder, connecting pipe and hose communicate with each other.

Preferably, syringe needle receiving mechanism is including setting up the fixed block at the cylinder outer wall, two one side of fixed block is connected with one end open-ended syringe needle cover, cylinder, fixed block and syringe needle cover integrated into one piece, the inside fixed mounting that the syringe needle cover is close to open-ended one end has the rubber buffer, the spliced eye has been seted up at the middle part of rubber buffer.

Preferably, the diameter of the insertion hole is smaller than that of the needle.

Preferably, the length of the needle cover is greater than the length of the needle.

Preferably, an annular rubber sealing ring is padded between the end part of the connecting pipe and the inside of the connecting cover, and an anti-skid groove is formed in the outer wall of the connecting cover.

Preferably, a wing is fixedly connected to one end of the needle close to the hose.

Preferably, a piston is inserted into the needle cylinder in a sliding fit manner, a push-pull rod is fixedly connected to one side of the piston, and a connecting piece is fixedly arranged at one end of the push-pull rod.

The utility model has the beneficial effects that:

1. the hose that will set up is connected syringe needle and cylinder, has made things convenient for medical staff puncture artery, and the success rate of puncturing is higher, and the connecting cover of hose one end passes through threaded connection with the connecting pipe of cylinder one end for it is more firm to connect, and the condition of having avoided the hose to be pulled out by naughty children carelessly takes place to great extent, has further guaranteed the success rate of gathering work.

2. Inject the syringe needle cover through following the spliced eye on the rubber buffer with the syringe needle in, can make the syringe needle accomodate fixedly, the syringe needle rocks everywhere when avoiding the handheld cylinder of medical staff, and effectual children that prevent the obstinate skin touch the syringe needle and cause the injured condition to take place.

Drawings

Fig. 1 is a schematic perspective view of an arterial blood needle for improving puncture efficiency for pediatrics according to the present invention.

Fig. 2 is a schematic front view of a section structure of an arterial blood needle for improving puncture efficiency for pediatrics according to the present invention.

Fig. 3 is an enlarged schematic structural diagram at a in fig. 2 of an arterial blood needle for improving puncture efficiency for pediatrics according to the present invention.

Fig. 4 is a schematic view of the needle head of the arterial blood needle for pediatric use, which is used for improving the puncture efficiency.

In the figure: 1 syringe, 2 push-pull rods, 3 connecting sheets, 4 needle receiving mechanisms, 401 needle covers, 402 fixing blocks, 403 rubber plugs, 404 plug holes, 5 connecting mechanisms, 501 connecting pipes, 502 anti-slip grooves, 503 connecting covers, 504 annular rubber sealing rings, 6 hoses, 7 wings, 8 needles and 9 pistons.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

Referring to fig. 1-4, an arterial blood gas needle for pediatrics capable of improving puncture efficiency comprises a needle cylinder 1, a needle head 8, a hose 6, a connecting mechanism 5 and a needle head accommodating mechanism 4, wherein one end of the needle head 8 is fixedly connected with one end of the hose 6, one end of the needle cylinder 1 is connected with one end of the hose 6 through the connecting mechanism 5, and the needle head accommodating mechanism 4 is arranged on the outer surface of the needle cylinder 1;

the connecting mechanism 5 comprises a connecting cover 503 fixedly connected to one end of the hose 6 and a connecting pipe 501 arranged at one end of the syringe 1, wherein an external thread is arranged on the outer wall of one end, away from the syringe 1, of the connecting pipe 501, an internal thread is arranged on the inner wall of one end, away from the hose 6, of the connecting cover 503, the connecting cover 503 is in threaded connection with the connecting pipe 501, the connection is firmer, and the syringe 1, the connecting pipe 501 and the hose 6 are communicated;

the needle head containing mechanism 4 comprises fixing blocks 402 arranged on the outer wall of the needle cylinder 1, one side of each of the two fixing blocks 402 is connected with a needle head sleeve 401 with one open end, the needle cylinder 1, the fixing blocks 402 and the needle head sleeve 401 are integrally formed, a rubber plug 403 is fixedly arranged inside one end, close to the open end, of the needle head sleeve 401, an inserting hole 404 is formed in the middle of the rubber plug 403, a needle head 8 can be inserted into the needle head sleeve 401 from the inserting hole 404 in the rubber plug 403, the needle head 8 can be contained and fixed, the phenomenon that the needle head 8 shakes everywhere when a medical worker holds the needle cylinder 1 is avoided, and the condition that a child with stubborn skin touches the needle head to cause injury is effectively prevented;

the diameter of the insertion hole 404 is smaller than that of the needle 8, so that the needle 8 cannot fall off the rubber plug 403, and an effective fixing effect is achieved;

the length of the needle cover 401 is larger than that of the needle 8, so that the needle 8 can be completely inserted into the needle cover 401, and the needle cover 401 is prevented from being broken by the tip of the needle 8;

an annular rubber sealing ring 504 is arranged between the end part of the connecting pipe 501 and the inside of the connecting cover 503, so that the connecting pipe 501 and the connecting cover 503 are guaranteed to have better sealing performance after being screwed, the success rate of arterial blood collection is further improved, an anti-skidding groove 502 is formed in the outer wall of the connecting cover 503, the friction force is increased, and the connecting cover 503 and the connecting pipe 501 are conveniently screwed;

one end of the needle 8 close to the hose 6 is fixedly connected with a wing 7, so that medical staff can conveniently hold the wing 7 to puncture arterial blood vessels;

a piston 9 is inserted into the needle cylinder 1 in a sliding fit manner, a push-pull rod 2 is fixedly connected to one side of the piston 9, and a connecting piece 3 is fixedly arranged at one end of the push-pull rod 2.

The working principle is as follows: pass through hose 6 with cylinder 1 and syringe needle 8 and be connected, it punctures arterial blood vessel to have made things convenient for medical staff, the puncture success rate is higher, and pass through threaded connection with connecting cover 503 of hose 7 one end and connecting pipe 501 of cylinder 1 one end, it is more firm to connect, the condition of having avoided hose 7 to be pulled out carelessly by the children of obstinate skin to great extent takes place, the success rate of collection work has further been guaranteed, after using up, medical staff can inject syringe needle 8 in syringe needle cover 401 from spliced eye 404 on rubber buffer 403, make syringe needle 8 fixed, syringe needle 8 rocks everywhere when avoiding medical staff to hand cylinder 1, the effectual children of preventing obstinate skin touch the syringe needle and cause the injured condition to take place.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the equipment or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims

1. The pediatric arterial blood-gas needle capable of improving the puncture efficiency comprises a needle cylinder (1) and a needle head (8), and is characterized in that one end of the needle head (8) is fixedly connected with a hose (6), one end of the hose (6) is connected with one end of the needle cylinder (1) through a connecting mechanism (5), and a needle head accommodating mechanism (4) is arranged on the outer surface of the needle cylinder (1);

coupling mechanism (5) are including connection lid (503) of fixed connection in hose (6) one end and connecting pipe (501) of setting in cylinder (1) one end, be provided with the external screw thread on the one end outer wall of cylinder (1) is kept away from in connecting pipe (501), be provided with the internal thread on the one end inner wall that hose (6) were kept away from in connection lid (503), connect lid (503) and connecting pipe (501) and pass through threaded connection, cylinder (1), connecting pipe (501) and hose (6) communicate with each other.

2. The pediatric arterial blood needle capable of improving puncture efficiency according to claim 1, wherein the needle head accommodating mechanism (4) comprises a fixing block (402) arranged on the outer wall of the needle cylinder (1), two needle head sleeves (401) with one open ends are connected to one side of the fixing block (402), the needle cylinder (1), the fixing block (402) and the needle head sleeves (401) are integrally formed, a rubber plug (403) is fixedly arranged inside the needle head sleeves (401) close to one open end, and a plug hole (404) is formed in the middle of the rubber plug (403).

3. An arterial needle for improving puncture efficiency for pediatrics as claimed in claim 2 wherein said insertion hole (404) has a diameter smaller than a diameter of the needle (8).

4. An arterial blood needle for paediatrics use according to claim 2 with improved puncture efficiency, characterized in that the length of the needle cover (401) is greater than the length of the needle (8).

5. The pediatric arterial blood needle capable of improving puncture efficiency according to claim 2, wherein an annular rubber sealing ring (504) is arranged between the end of the connecting pipe (501) and the inside of the connecting cover (503), and the outer wall of the connecting cover (503) is provided with an anti-slip groove (502).

6. An arterial needle for improving puncture efficiency for pediatrics according to claim 1, characterized in that a wing (7) is fixedly connected to the end of the needle head (8) near the hose (6).

7. The pediatric arterial blood needle capable of improving puncture efficiency according to claim 1, wherein a piston (9) is inserted into the syringe (1) in a sliding fit manner, a push-pull rod (2) is fixedly connected to one side of the piston (9), and a connecting piece (3) is fixedly arranged at one end of the push-pull rod (2).