CN106310459B

CN106310459B - The uniform and automatic injection device of gasbag-type

Info

Publication number: CN106310459B
Application number: CN201611000728.XA
Authority: CN
Inventors: 郝晓广; 王连运; 刘雨
Original assignee: Individual
Current assignee: Hao Xiaoguang; Wang Lianyun
Priority date: 2016-11-14
Filing date: 2016-11-14
Publication date: 2019-06-18
Anticipated expiration: 2036-11-14
Also published as: CN106310459A

Abstract

The present invention provides a kind of uniform and automatic injection device of gasbag-type, it includes positioning shell, push module and boost module；The positioning shell includes upper cover and lower cover, and the center design of the upper cover upper surface has pin hole, and the upper cover upper surface design has gas vent, and the upper cover interior design is T-slot, and the center design of the lower cover lower end surface has air inlet；The push module includes exhaust pipe, air discharge cook and mandril, the exhaust pipe includes that syringe pushes pipe and piston handle to push pipe, upper end position design inside the piston handle catch bar has damping unit, upper end position design inside the syringe catch bar has carriage, and the lower end of the exhaust pipe is exposed by the air inlet of the lower cover；The uniform and automatic injection device of the gasbag-type is that one kind can allow patient self to inject, convenient and efficient, low-cost injection device.

Description

The uniform and automatic injection device of gasbag-type

Technical field

The present invention relates to medical instruments fields, are to be related to a kind of injection device particularly.

Background technique

Syringe be it is a kind of be used to carry out hypodermic medical instrument, by the way that medicament extraction into syringe, is passed through Injection needle is pierced into subcutis, subcutaneous drug to be pushed into, to achieve the purpose that subcutaneous injection treatment；Syringe needle Cylinder can be plastics and be also possible to made of glass, and usually have the scale of liquid volume in expression syringe to refer to above Show；Glass syringe can be carried out disinfection with autoclave, but because the processing cost of plastic injector is lower, it is existing Be for medical syringe majority it is made of plastic, this also further reduces the risk of blood born diseases；General injection Device is mostly that the operation for carrying out absorption drug and injection into the healthcare givers for crossing professional training needs to infuse when drawing drug At air row in emitter syringe, patient could be injected；It needs to carry out alcohol in the injection position of patient in injection Disinfection treatment, then syringe needle is accurately pricked to the subcutaneous tissue into patient firmly needs that uniformly, patient otherwise can be caused when propulsive liquid Discomfort and drug cannot well subcutaneously spread apart come；Such operation must could grasp patient by other people Make, and some especial patients, the long-term patient for carrying out injection of insulin is such as needed, they usually require frequently using injection Device, it is therefore desirable to which professional injection personnel inject, and more burdens are increased for patient；And a kind of nothing in the market Needle applicator can allow patient to carry out self-injection, so that injection process is more convenient, but this needleless injector takes With high, and stringent disinfection treatment must be carried out every time, occur infection phenomenons to prevent syringe is contaminated, therefore there is Defect.

Summary of the invention

In view of the above-mentioned problems, the purpose of the present invention is to provide a kind of uniform and automatic injection device of gasbag-type, trouble can be allowed Person self injects, convenient and efficient, low in cost.

The technical proposal for solving the technical problem of the invention is: the uniform and automatic injection device of the gasbag-type, it includes Position shell, push module and boost module；The positioning shell includes upper cover and lower cover, and the center of the upper cover upper surface is set In respect of pin hole, the upper cover upper surface design has gas vent, and the upper cover interior design is T-slot, the lower cover lower end surface Center design has air inlet；The push module includes exhaust pipe, air discharge cook and mandril, and the exhaust pipe includes that syringe pushes Pipe and piston handle push pipe, and the piston handle pushes the upper end position design inside pipe to have damping unit, and the piston handle pushes For the Position Design of pipe in the center of the exhaust pipe, the syringe pushes the upper end position design inside pipe to have sliding to fill It sets, the syringe pushes pipe to be symmetric centered on the position that the piston handle pushes pipe, and the exhaust pipe is fixedly mounted Inside the lower cover, the lower end of the exhaust pipe is exposed by the air inlet of the lower cover；The air discharge cook is fixedly mounted In the lower end of the exhaust pipe；The mandril is slidedly assemblied in the upper end of the exhaust pipe；The boost module and the promotion The air discharge cook of module is fixedly connected.

Preferably, the boost module includes appendix, elastic balloon and check valve, described appendix one end with it is described Air discharge cook is tightly connected, and the other end and the elastic balloon are tightly connected, and the check valve is fixedly mounted on the elastic gas The air inlet position of capsule.

Preferably, the damping unit uses rubber block, the damping unit is fixedly mounted on the piston handle and pushes On the inner wall of pipe, the damping unit is to squeeze to contact with the mandril；The carriage is circular sliding using section Ring, the carriage are fixedly mounted on the syringe and push on the inner wall of pipe, and the carriage is that point connects with the mandril Touching.

Preferably, the bottom of the upper cover is to be threadedly coupled with the top design of the lower cover, the bottom of the mandril Design has limit plate, and the limit plate outer ring is enclosed with sealing ring.

Preferably, the bottom design of the elastic balloon has screw thread, the top of the check valve and bottom design have phase The screw thread answered, the elastic balloon are connected through a screw thread with the check valve.

The beneficial effects of the present invention are: the uniform and automatic injection device of the gasbag-type, user manually need to when in use The drug inhalation syringe injected is interior or uses packaged disposable medical fluid injector；By the gas in injector syringe Body discharge after, open the shell, syringe be put into the shell so that syringe be located at the syringe promotion pipe just on Side, piston handle are located at the surface that the piston handle pushes pipe；The mandril is in collapsed state at this time, user either manually or by Boost module is pressurizeed so that air pressure rises, and the pin hole of the upper cover is directed at the position that will be injected by user, is beaten The air discharge cook is opened, so that air pressure enters in the exhaust pipe；Since the syringe pushes design in pipe to have carriage, institute Pushing the mandril in pipe with syringe, moment jacks up under the influence of air pressure, and syringe is jacked up upwards, is used so that syringe needle is pierced into In the skin of person, when syringe is moved to certain position, stopping movement being limited by the structure in the upper cover, at this time by institute The air pressure stated in exhaust pipe is still very big, so that air pressure starts the mandril for pushing the piston handle to push in pipe, due to the work Plug handle pushes design in pipe to have damping unit, so piston handle slowly at the uniform velocity pushes under the action of the damping unit, so that Medicaments uniformity is injected into patient's body, has the function that automatic injection；After the completion of injection, it is even that user extracts the gasbag-type Fast automated injection device opens the upper cover, syringe is taken out, to reuse.

Detailed description of the invention

Fig. 1 is the cross-sectional view of the uniform and automatic injection device original state of gasbag-type of the present invention.

Fig. 2 is the cross-sectional view of the uniform and automatic injection device injection state of gasbag-type of the present invention.

Fig. 3 is the main view of the push module of the uniform and automatic injection device of gasbag-type of the present invention.

Specific embodiment

Present invention will be further explained below with reference to the attached drawings and examples:

As shown in Figure 1, Figure 2, in Fig. 3 shown in embodiment, the uniform and automatic injection device of the gasbag-type be one kind can allow patient from I injects, convenient and efficient, low-cost injection device, it includes positioning shell 1, push module 2 and boost module 3；The positioning shell 1 includes upper cover and lower cover 11, and the center design of the upper cover upper surface has pin hole, the upper cover upper surface Design has gas vent, and the upper cover interior design is T-slot, and the center design of 11 lower end surface of lower cover has air inlet；It is described Push module 2 includes exhaust pipe 21, air discharge cook 22 and mandril 23, and the exhaust pipe 21 includes that syringe pushes pipe and piston handle to push away Dynamic pipe, the piston handle push the upper end position design inside pipe to have damping unit 212, and the piston handle pushes the position of pipe to set For meter in the center of the exhaust pipe 21, the syringe pushes the upper end position design inside pipe to have carriage 211, described Syringe pushes pipe to be symmetric centered on the position that the piston handle pushes pipe, and the exhaust pipe 21 is fixedly mounted on described Inside lower cover 11, the lower end of the exhaust pipe 21 is exposed by the air inlet of the lower cover 11；The fixed peace of the air discharge cook 22 Mounted in the lower end of the exhaust pipe 21；The mandril is slidedly assemblied in the upper end of the exhaust pipe 21；The boost module 3 and institute The air discharge cook 22 for stating push module 2 is fixedly connected.

When in use, the drug injected is sucked infuse manually the uniform and automatic injection device of the gasbag-type by user Emitter is interior or uses packaged disposable medical fluid injector；After the gas discharge in 4 syringe of syringe, open described outer Syringe 4 is put into the shell by shell, so that syringe is located at the surface that the syringe pushes pipe, piston handle is located at described The surface of piston handle promotion pipe；The mandril 23 is in collapsed state at this time, and user adds either manually or by boost module 3 For pressure so that air pressure rises, the pin hole of the upper cover is directed at the position that will be injected by user, opens the air discharge cook 22, so that air pressure enters in the exhaust pipe 21；Since the syringe pushes design in pipe to have carriage 211, so syringe Pushing the mandril 23 in pipe, moment jacks up under the influence of air pressure, syringe 4 is jacked up upwards, so that syringe needle is pierced into user's In skin, when syringe is moved to certain position, stopping movement being limited by the structure in the upper cover, at this time due to the row Air pressure in tracheae 21 is still very big, so that air pressure starts the mandril 23 for pushing the piston handle to push in pipe, due to the work Plug handle pushes design in pipe to have damping unit 212, so piston handle slowly at the uniform velocity pushes away under the action of damping unit 212 It is dynamic, so that medicaments uniformity is injected into patient's body, have the function that automatic injection；After the completion of injection, described in user's extraction The uniform and automatic injection device of gasbag-type opens the upper cover, syringe 4 is taken out, to reuse.

As shown in Figure 1 and Figure 2, the boost module 3 includes appendix, elastic balloon and check valve, described appendix one end It is tightly connected with the air discharge cook 22, the other end and the elastic balloon are tightly connected, and the check valve is fixedly mounted on institute State the air inlet position of elastic balloon；Its role is to provide for the push module 2 and enhance air pressure.

As shown in figure 3, the damping unit 212 uses rubber block, the damping unit 212 is fixedly mounted on the piston Handle pushes on the inner wall of pipe, and the damping unit 212 is to squeeze to contact with the mandril 23；The carriage 211, which uses, to be cut Face is circular slip ring, and the carriage 211 is fixedly mounted on the syringe and pushes on the inner wall of pipe, the carriage 211 with the mandril 23 be point contact；Its role is to the increase piston handles to push the friction between pipe and the mandril 23 Power reduces the syringe and pushes the frictional force managed between the mandril 23.

As shown in Figure 1 and Figure 2, the bottom of the upper cover is to be threadedly coupled with the top design of the lower cover 11, the upper cover Bottom and the top design of the lower cover 11 be is threadedly coupled, the bottom of the mandril, which is designed, limit plate, the limit plate Outer ring is enclosed with sealing ring；Its role is to the upper covers and the lower cover 11 to be stably connected with；It keeps in the exhaust pipe 21 Stable gas pressure output, prevents gas leakage.

As shown in Figure 1 and Figure 2, the bottom design of the elastic balloon has screw thread, the top of the check valve and bottom design There is corresponding screw thread, the elastic balloon is connected through a screw thread with the check valve；Its role is to described unidirectional by changing The direction of valve is exhausted and is evacuated, and the mandril 23 is stretched reset.

The foregoing is merely preferred modes of the invention, are not intended to limit the invention, all in spirit and original of the invention Within then, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.

Claims

1. a kind of uniform and automatic injection device of gasbag-type, it includes positioning shell (1), push module (2) and boost module (3), It is characterized by: the positioning shell (1) includes upper cover and lower cover (11), the center design of the upper cover upper surface has pin hole, The upper cover upper surface design has gas vent, and the upper cover interior design is T-slot, and the center of lower cover (11) lower end surface is set In respect of air inlet；The push module (2) includes exhaust pipe (21), air discharge cook (22) and mandril (23), the exhaust pipe It (21) include that syringe pushes pipe and piston handle to push pipe, the piston handle pushes the upper end position design inside pipe to have damping unit (212), the piston handle pushes the Position Design of pipe in the center of the exhaust pipe (21), and the syringe pushes inside pipe Upper end position design have carriage (211), the syringe pushes the pipe to be in centered on the position that the piston handle pushes pipe Symmetrical, the exhaust pipe (21) is fixedly mounted on the lower cover (11) inside, and the lower end of the exhaust pipe (21) passes through institute The air inlet for stating lower cover (11) exposes；The air discharge cook (22) is fixedly mounted on the lower end of the exhaust pipe (21)；The top Bar is slidedly assemblied in the upper end of the exhaust pipe (21)；The air discharge cook of the boost module (3) and the push module (2) (22) it is fixedly connected.

2. the uniform and automatic injection device of gasbag-type according to claim 1, it is characterised in that: boost module (3) packet Appendix, elastic balloon and check valve are included, described appendix one end and the air discharge cook (22) are tightly connected, the other end and institute Elastic balloon sealed connection is stated, the check valve is fixedly mounted on the air inlet position of the elastic balloon.

3. the uniform and automatic injection device of gasbag-type according to claim 1, it is characterised in that: the damping unit (212) Using rubber block, the damping unit (212) is fixedly mounted on the piston handle and pushes on the inner wall of pipe, the damping unit It (212) is to squeeze to contact with the mandril (23)；The carriage (211) is circular slip ring, the cunning using section Dynamic device (211) are fixedly mounted on the syringe and push on the inner wall of pipe, and the carriage (211) is with the mandril (23) Point contact.

4. the uniform and automatic injection device of gasbag-type according to claim 1, it is characterised in that: the bottom of the upper cover and institute The top design of lower cover (11) is stated to be threadedly coupled, the top design of the bottom of the upper cover and the lower cover (11) is screw thread company It connects, the bottom design of the mandril has limit plate, and the limit plate outer ring is enclosed with sealing ring.

5. the uniform and automatic injection device of gasbag-type according to claim 2, it is characterised in that: the bottom of the elastic balloon Design has screw thread, and the top of the check valve and bottom design have corresponding screw thread, and the elastic balloon and the check valve are logical Cross threaded connection.