CN213158501U - A syringe connector for inflation and pressurization - Google Patents

Abstract

Translated fromChinese

本实用新型公开了一种用于充气加压的注射器接头，包括注射筒，所述注射筒内部设置有第一单向活瓣，所述注射筒上端一侧设置有上筒，所述上筒内部设置有第二单向活瓣，所述注射筒一侧设置有针头，所述注射筒另一侧设置有注射器，所述注射器内部滑动连接有活塞，所述活塞一端固定安装有活塞杆，所述活塞杆另一端固定安装有活塞杆座，利用第二单向活瓣，能够在活塞在注射器内抽动时，通过进气管向注射筒内吸入空气，然后将活塞杆按回去，能够使注射器向盐水瓶内进行充气，本实用新型能够两个单个活瓣配合下，使注射器无需反复插入和拔出，便可以重复抽气打气，以向盐水瓶内充气形成高压环境，不仅操作简单方便，而且省时省力。

The utility model discloses a syringe joint for inflation and pressurization, which comprises a syringe barrel, a first one-way valve is arranged inside the syringe barrel, an upper barrel is arranged on one side of the upper end of the syringe barrel, and the upper barrel A second one-way valve is arranged inside, a needle is arranged on one side of the syringe, a syringe is arranged on the other side of the syringe, a piston is slidably connected inside the syringe, and a piston rod is fixedly installed at one end of the piston, The other end of the piston rod is fixedly installed with a piston rod seat, and by using the second one-way valve, when the piston is twitching in the syringe, air can be sucked into the syringe through the air inlet pipe, and then the piston rod can be pressed back to make the syringe. To inflate the saline bottle, the utility model can cooperate with two single valves, so that the syringe can be repeatedly pumped and pumped without repeated insertion and extraction, so as to inflate the saline bottle to form a high-pressure environment, which is not only simple and convenient to operate, And save time and effort.

Description

Injector joint for inflating and pressurizing

Technical Field

The utility model belongs to the technical field of the syringe, concretely relates to be used for aerifing pressurized syringe joint.

Background

Syringes are a common medical device. Syringes may also be used for injection through rubber septa in medical devices, containers, scientific instruments such as in some chromatography. The advent of needleless injectors is an epoch-making revolution in the medical device field. The advent of syringes has been an epoch-making revolution in the medical device field and the process of needle extraction or injection of gas or liquid is called injection. The injector consists of a syringe with a small hole at the front end and a matched piston core rod, and is used for injecting a small amount of liquid or extracting the liquid or the liquid from the inaccessible area by other methods, wherein the liquid or gas is sucked from the small hole at the front end of the syringe when the core rod is pulled out, and the liquid or gas is extruded when the core rod is pushed in.

It is often necessary to use a syringe to introduce a saline bottle or saline bag to form a high pressure state for clinical application, for example, when invasive arterial pressure is monitored in real time, an indwelling needle is inserted into an artery of a patient, and then a pressure sensor is connected to monitor blood pressure, and the arterial pressure is too high, so as to prevent arterial blood from coagulating and blocking the tube of the sensor through the indwelling needle, which affects the monitoring effect, a doctor usually uses the syringe to repeatedly suck air and inject the air into the saline bottle to form a high pressure environment, and then connects a sensor connecting conduit to resist arterial pressure, so as to prevent arterial blood from flowing back into the connecting tube, during the above operation, the doctor needs to repeatedly suck air with the syringe, insert the saline bottle to inject air, pull out the syringe to suck air, insert the saline bottle to inject air, and take time and labor, the syringe needle can damage the plug by repeatedly inserting and pulling out saline, resulting in water leakage during use.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to overcome current defect, a syringe connects for aerifing pressurization is provided, need relapse with syringe suction air to solve the doctor that proposes in the above-mentioned background art, insert into the air in the brine bottle again, pull out syringe suction air again, insert the brine bottle again and squeeze into the air, complex operation, waste time and energy, the syringe needle inserts repeatedly and extracts the brine bottle plug and can make the bottle plug damage, lead to the problem of leaking easily in the use.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a syringe connects for inflating pressurization, includes the injection tube, the inside first one-way flap that is provided with of injection tube, injection tube upper end one side is provided with the upper part of a drum, the inside one-way flap of second that is provided with of upper part of a drum, injection tube one side is provided with the syringe needle, the injection tube opposite side is provided with the syringe, the inside sliding connection of syringe has the piston, piston one end fixed mounting has the piston rod, piston rod other end fixed mounting has the piston rod seat, syringe other end outside fixed mounting has the syringe seat.

Preferably, the tail part of the needle is fixedly provided with a needle cover, one side of the injection tube is fixedly provided with a needle sleeve rod, and the needle cover is fixedly clamped and connected with the needle sleeve rod.

Preferably, a through hole is formed between the injection cylinder and the upper cylinder.

Preferably, one end of the injector is fixedly provided with an injector loop bar, the other end of the injection tube is fixedly provided with an injector sleeve, and the injector sleeve is fixedly clamped and connected with the injector loop bar.

Preferably, the first one-way valve is a side-through one-way valve.

Preferably, the top of the upper barrel is fixedly connected with an air inlet pipe, and the upper end of the air inlet pipe is provided with an air inlet.

Preferably, the second one-way valve is a lower-pass one-way valve.

Compared with the prior art, the utility model provides a syringe connects for aerify pressurization possesses following beneficial effect:

1. the utility model discloses utilize the one-way flap of second, can be when the piston is twitch in the syringe, inhale the air in to the injection tube through the intake pipe, then press the piston rod back, can make the syringe aerify to the brine bottle in, and first one-way flap is the one-way flap of side formula, can separate the air when the piston is pulled back, utilize the one-way flap of second formula as the one-way flap of lower formula, when can making the piston push forward, prevent that the air from discharging through the intake pipe, and then improve the suction gas efficiency of syringe;

2. the utility model can be matched with two single valves, so that the injector can be repeatedly pumped and inflated without being repeatedly inserted and pulled out, and the saline bottle is inflated to form a high-pressure environment, thereby not only having simple and convenient operation, but also saving time and labor;

the part that does not relate to in the device all is the same with prior art or can adopt prior art to realize, the utility model has the advantages of being scientific and reasonable in structure, convenience safe in utilization provides very big help for people.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description, do not constitute a limitation of the invention, in which:

FIG. 1 is a front view of a syringe connector for inflation and pressurization in accordance with the present invention;

fig. 2 is a schematic view of a structure of a syringe joint for inflation and pressurization according to the present invention;

in the figure: 1. a needle head; 2. a needle cover; 3. an injection tube; 4. an injector stem; 5. an injector; 6. A syringe holder; 7. a piston rod; 8. a piston rod seat; 9. an air inlet pipe; 10. feeding the cylinder; 11. a needle head sleeve rod; 12. a first one-way valve; 13. a syringe cover; 14. a piston; 15. a second one-way valve.

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.

Referring to fig. 1-2, the present invention provides a technical solution: the utility model provides a syringe connects for inflating pressurization, includinginjection tube 3, 3 inside first one-way valve 12 that are provided with of injection tube, 3 upper end one side of injection tube is provided withupper cylinder 10,upper cylinder 10 is inside to be provided with the one-way valve 15 of second, utilize the one-way valve 15 of second, can be whenpiston 14 twitches insyringe 5, inhale the air in toinjection tube 3 throughintake pipe 9, then presspiston rod 7 back, can makesyringe 5 aerify to the salt water bottle in, 3 one side of injection tube is provided withsyringe needle 1, 3 opposite sides of injection tube are provided withsyringe 5, 5 inside sliding connection of syringe haspiston 14, 14 one end fixed mounting of piston haspiston rod 7, 7 other end fixed mounting of piston rod haspiston rod seat 8, 5 other end outside fixed mounting of syringe hassyringe seat 6.

In the utility model, preferably, the tail part of theneedle 1 is fixedly provided with aneedle cover 2, one side of theinjection tube 3 is fixedly provided with aneedle cover rod 11, theneedle cover 2 is fixedly clamped and connected with theneedle cover rod 11, a through hole is arranged between theinjection tube 3 and theupper tube 10, one end of theinjector 5 is fixedly provided with aninjector cover rod 4, the other end of theinjection tube 3 is fixedly provided with aninjector cover 13, theinjector cover 13 is fixedly clamped and connected with theinjector cover rod 4, the first one-way valve 12 is a side one-way valve, the top part of theupper tube 10 is fixedly connected with anair inlet tube 9, the upper end of theair inlet tube 9 is provided with an air inlet, the second one-way valve 15 is a lower one-way valve, the first one-way valve 12 is a side one-way valve, which can block air when thepiston 14 is pulled back, the second one-way valve 15 is a lower one-way valve, when the, thereby improving the aspiration efficiency of thesyringe 5.

The utility model discloses a theory of operation and use flow: during the use, through holdingsyringe 5, pullingpiston rod 7, make thepiston 14 ofpiston rod 7 one end slide insyringe 5, and then makesyringe 5 can be under first one-way valve 12 and the cooperation of second one-way valve 15, makesyringe 5 need not to insert repeatedly and extract, alright in order to repeatedly bleed and inflate to aerify and form high-pressure environment in the saline bottle, first one-way valve 12 can prevent the gas reflux of squeezing into in the saline bottle, air when second one-way valve 15 can preventpiston 14 pull back leaks fromintake pipe 9.

The utility model discloses utilize second one-way valve 15, can be whenpiston 14 is twitch insyringe 5, inhale the air in toinjection tube 3 throughintake pipe 9, then presspiston rod 7 back, can makesyringe 5 aerify to the saline bottle in, and first one-way valve 12 is the one-way valve of side formula, can separate the air whenpiston 14 is pullback, utilize second one-way valve 15 to be the one-way valve of lower formula, when can makingpiston 14 press forward, prevent that the air from discharging throughintake pipe 9, and then improve the suction efficiency ofsyringe 5;

the utility model can make theinjector 5 repeatedly pump and inflate without repeatedly inserting and pulling out under the matching of two single valves, so as to inflate the saline bottle to form a high pressure environment, thus not only having simple and convenient operation, but also saving time and labor;

the part that does not relate to in the device all is the same with prior art or can adopt prior art to realize, the utility model has the advantages of being scientific and reasonable in structure, convenience safe in utilization provides very big help for people.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (7)

1. A syringe adapter for inflation pressurization, comprising a syringe (3), characterized in that: the injection device is characterized in that a first one-way valve (12) is arranged inside the injection tube (3), an upper tube (10) is arranged on one side of the upper end of the injection tube (3), a second one-way valve (15) is arranged inside the upper tube (10), a needle (1) is arranged on one side of the injection tube (3), an injector (5) is arranged on the other side of the injection tube (3), a piston (14) is connected inside the injector (5) in a sliding mode, a piston rod (7) is fixedly arranged at one end of the piston (14), a piston rod seat (8) is fixedly arranged at the other end of the piston rod (7), and an injector seat (6) is fixedly arranged on the.

2. A syringe adaptor for inflation and pressurization according to claim 1, wherein: the syringe needle (1) afterbody fixed mounting has syringe needle cover (2), injection tube (3) one side fixed mounting has syringe needle loop bar (11), syringe needle cover (2) and syringe needle loop bar (11) fixed block are connected.

3. A syringe adaptor for inflation and pressurization according to claim 1, wherein: a through opening is arranged between the injection cylinder (3) and the upper cylinder (10).

4. A syringe adaptor for inflation and pressurization according to claim 1, wherein: the injection device is characterized in that an injector loop bar (4) is fixedly installed at one end of the injector (5), an injector sleeve (13) is fixedly installed at the other end of the injection tube (3), and the injector sleeve (13) is fixedly clamped and connected with the injector loop bar (4).

5. A syringe adaptor for inflation and pressurization according to claim 1, wherein: the first one-way valve (12) is a side-through one-way valve.

6. A syringe adaptor for inflation and pressurization according to claim 1, wherein: the top of the upper barrel (10) is fixedly connected with an air inlet pipe (9), and an air inlet is formed in the upper end of the air inlet pipe (9).

7. A syringe adaptor for inflation and pressurization according to claim 1, wherein: the second one-way valve (15) is a lower general one-way valve.

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