CN213100073U

CN213100073U - Electric automatic injection pen

Info

Publication number: CN213100073U
Application number: CN202021318362.2U
Authority: CN
Inventors: 舒乐
Original assignee: Suzhou Jiashu Medical Technology Co ltd
Current assignee: Suzhou Jiashu Medical Technology Co ltd
Priority date: 2020-07-07
Filing date: 2020-07-07
Publication date: 2021-05-04
Anticipated expiration: 2030-07-07

Abstract

The utility model relates to an automatic injection pen of electrodynamic type, including the injection pen body, be provided with the injection end on the injection pen body, the injection is served and is provided with the injection syringe needle, this internal anther sac that is provided with of injection pen, the front end of anther sac links to each other with the injection syringe needle, the tail end of anther sac is provided with and impels the piece, this internal one side that lies in impel the piece of injection pen is provided with electronic advancing device, the outer end activity that the injection pen body lies in the injection syringe needle is provided with the sliding sleeve, be provided with injection switch on the injection pen body, injection switch links to each other with. Therefore, the electric propulsion device is arranged, automatic medicine feeding during injection can be realized, and the use is convenient. The user need only prick the injection site after holding it correctly. The driving motor can be selected and matched according to the type of the medicament, and the smooth propulsion of the medicament is realized. The system has a better safety mechanism, and can effectively avoid false triggering possibly caused by transportation and improper operation. The whole structure is simple, and the use is easy.

Description

Electric automatic injection pen

Technical Field

The utility model relates to an injection pen especially relates to an electrodynamic type automatic injection pen.

Background

In order to provide better portability in terms of injection of liquid medicines such as insulin, an injection pen is often used for injection. However, the conventional injection pen requires a user to properly hold the pen and perform self-administration injection, and requires a certain level of experience and operation. The injection has certain difficulty in independent use for children, old people or people with limb disorders, and the injection use is influenced because the medicine can not be smoothly administered.

In view of the above-mentioned drawbacks, the present designer is actively making research and innovation to create an electric automatic injection pen, which is more valuable in industry.

SUMMERY OF THE UTILITY MODEL

In order to solve the above technical problem, the present invention provides an electric automatic injection pen.

The utility model discloses an automatic injection pen of electrodynamic type, including injection pen body, be provided with the injection end on the injection pen body, the injection is served and is provided with the syringe needle, wherein: the injection pen is characterized in that a medicine bag is arranged in the injection pen body, the front end of the medicine bag is connected with an injection needle, a propelling block is arranged at the tail end of the medicine bag, an electric propelling device is arranged on one side, located in the propelling block, of the injection pen body, a sliding sleeve is movably arranged at the outer end, located in the injection needle, of the injection pen body, an injection switch is arranged on the injection pen body, and the injection switch is connected with the electric propelling device.

Further, foretell electrodynamic type automatic injection pen, wherein, electric propulsion means is including driving motor, the last energy supply subassembly that is connected with of driving motor, the last push rod that is connected with of driving motor, the top and the propulsion piece contact of push rod.

Furthermore, in the above-mentioned automatic injection pen of electrodynamic type, wherein, driving motor is micro motor, be provided with drive gear on micro motor's the drive end, be provided with the screw thread on the push rod, drive gear and thread engagement, the tail end of push rod is provided with reserves smooth section.

Furthermore, in the above-mentioned electric automatic injection pen, the energy supply component is a button battery pack or a size seven battery.

Furthermore, in the above-mentioned automatic injection pen of electrodynamic type, wherein, this internal spacing ring that is provided with of injection pen, one side of spacing ring is connected with electronic advancing device, the opposite side of spacing ring and the bottom swing joint of sliding sleeve.

Furthermore, in the above-mentioned electric automatic injection pen, a film stop piece is disposed at the tail end of the medicine bag, and the pushing block contacts with the film stop piece; or a non-contact gap is arranged between the pushing block and the film blocking piece.

Further, in the above-mentioned electric automatic injection pen, a guiding fence is formed on the tail end of the medicine bag in an extending manner, and the outer edge of the propelling block contacts with the guiding fence.

Still further, above-mentioned electrodynamic type automatic injection pen, wherein, the outer end that the injection pen body is located the syringe needle is provided with the protective sheath.

Borrow by above-mentioned scheme, the utility model discloses at least, have following advantage:

1. the electric propulsion device is arranged, so that automatic medicine feeding during injection can be realized, and the use is convenient. The user need only prick the injection site after holding it correctly.

2. The driving motor can be selected and matched according to the type of the medicament, and the smooth propulsion of the medicament is realized.

3. The system has a better safety mechanism, and can effectively avoid false triggering possibly caused by transportation and improper operation.

4. The injection pen has the advantages of simple integral structure, easy use, improvement on the existing injection pen and better universality.

The above description is only an overview of the technical solution of the present invention, and in order to make the technical means of the present invention clearer and can be implemented according to the content of the description, the following detailed description is made with reference to the preferred embodiments of the present invention and accompanying drawings.

Drawings

Fig. 1 is a schematic view of the overall structure of a power-driven automatic injection pen.

Fig. 2 is an injection schematic of a power-driven automatic injection pen.

Fig. 3 is a schematic storage view after completion of injection.

The meanings of the reference symbols in the drawings are as follows.

1 injection pen body 2 injection needle

3 medicine bag 4 propelling block

5 sliding bush 6 driving motor

7 energy supply assembly 8 push rod

9 guide fence 10 spacing ring

11 protective sleeve 12 injection switch

Detailed Description

The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.

The electrodynamic type automatic injection pen as shown in fig. 1 to 3 comprises an injection pen body 1, wherein an injection end is arranged on the injection pen body 1, an injection needle head 2 is arranged on the injection end, and the electrodynamic type automatic injection pen is characterized in that: the injection pen body 1 is internally provided with a medicine bag 3, and the front end of the medicine bag 3 is connected with the injection needle 2 so as to realize contact injection. The tail end of the medicine bag 3 is provided with a propelling block 4, which is convenient for realizing the injection and propulsion of the medicine liquid. In order to realize automatic injection corresponding to different types of medicaments, an electric propulsion device is arranged at one side of a propulsion block 4 in the injection pen body 1. In practical implementation, different liquid medicine injection rates can be realized through different driving motors 6, and the injection comfort level is improved. In addition, for the recovery safety after the injection is finished, a sliding sleeve 5 is movably arranged at the outer end of the injection pen body 1, which is positioned at the injection needle 2. The edge of the sliding sleeve 5 is in interference fit with the inner wall of the injection pen body 1, so that after injection is finished, the isolation of the injection needle head 2 can be realized after the sliding sleeve 5 is pulled out. Certainly, in order to realize the locking effect, a buckle can be arranged at the tail end or the outer wall of the sliding sleeve 5, a locking groove is arranged on the inner wall of the injection pen body 1, and after the sliding sleeve 5 is pulled out to a proper position, the buckle is embedded into the locking groove. Furthermore, an injection switch 12 is arranged on the injection pen body 1, and the injection switch 12 is connected with the electric propulsion device. When in use, the automatic injection can be realized only by pressing the switch. As for the press time or the force of the setting switch before using, avoid appearing the false triggering.

In view of the preferred embodiment of the present invention, the electric propulsion device includes a driving motor 6 for driving the quantitative injection. Specifically, be connected with energy supply subassembly 7 on the driving motor 6, be connected with push rod 8 on the driving motor 6, the top and the propulsion piece 4 contact of push rod 8. According to practical implementation, the adopted driving motor 6 is a micro motor, a driving gear is arranged at the driving end of the micro motor, a thread is arranged on the push rod 8, the driving gear is meshed with the thread, and a reserved smooth section is arranged at the tail end of the push rod 8. According to different liquid medicines in the medicine bag 3, micro motors with different powers can be selected to control the push rod 8 to realize matching propulsion. For example, a micro motor with slightly high power is needed for liquid medicine with high viscosity, and a conventional micro motor can be selected for diluted medicine. Furthermore, in order to realize smooth driving, the energy supply component 7 is a button battery pack or a seventh battery. Of course, according to different injection objects and different power requirements, other battery structures can be selected to meet different requirements of animals, people and the like.

Further, in order to realize stable placement of the electric propulsion device and facilitate temporary positioning of the sliding sleeve 5, a limiting ring 10 is arranged in the injection pen body 1, one side of the limiting ring 10 is connected with the electric propulsion device, and the other side of the limiting ring 10 is movably connected with the bottom of the sliding sleeve 5.

In view of practical implementation, in order to avoid false triggering of the capsule 3 during transport, the trailing end of the capsule 3 is provided with a film stop with which the pusher block 4 is in contact. Thus, the supply of the drug can be achieved only after the film stopper is punctured. Preferably, a non-contact gap is provided between the advanceable block 4 and the film stop, such that non-physical contact is achieved.

Still further, the end of the capsule 3 is extended with a guiding fence 9, and the outer edge of the pusher block 4 contacts the guiding fence 9. In this way, proper advancing guidance of the pusher block 4 can be achieved, ensuring smooth administration during injection. Furthermore, in order to satisfy the cleanliness, the outer end of the injection pen body 1, which is located at the injection needle 2, is provided with a protective sleeve 11.

Through foretell expression of characters and combination of the attached drawing can be seen, adopt the utility model discloses afterwards, possess following advantage:

Furthermore, the indication directions or positional relationships described in the present invention are directions or positional relationships based on the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the indicated device or structure must have a specific direction or operate in a specific directional configuration, and therefore, should not be construed as limiting the present invention.

In the present invention, unless otherwise expressly stated or limited, the terms "connected" and "disposed" are to be construed broadly, e.g., as meaning a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; the two components can be directly connected or indirectly connected through an intermediate medium, and the two components can be communicated with each other or mutually interacted. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art. And it may be directly on the other component or indirectly on the other component. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.

It will be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in an orientation or positional relationship indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the device or component so referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be considered as limiting the invention.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.

Claims

1. Electrodynamic type automatic injection pen, including injection pen body (1), be provided with the injection end on injection pen body (1), the injection is served and is provided with injection syringe needle (2), its characterized in that: be provided with anther sac (3) in injection pen body (1), the front end of anther sac (3) links to each other with injection needle (2), the tail end of anther sac (3) is provided with impels piece (4), in injection pen body (1), be located one side of impelling piece (4), be provided with electronic advancing device, the outer end activity that injection pen body (1) is located injection needle (2) is provided with sliding sleeve (5), be provided with injection switch (12) on injection pen body (1), injection switch (12) link to each other with electronic advancing device.

2. The motorized automatic injection pen of claim 1, wherein: the electric propulsion device comprises a driving motor (6), an energy supply assembly (7) is connected to the driving motor (6), a push rod (8) is connected to the driving motor (6), and the top end of the push rod (8) is in contact with a propulsion block (4).

3. The motorized automatic injection pen of claim 2, wherein: the driving motor (6) is a micro motor, a driving gear is arranged at the driving end of the micro motor, a thread is arranged on the push rod (8), the driving gear is meshed with the thread, and a reserved smooth section is arranged at the tail end of the push rod (8).

4. The motorized automatic injection pen of claim 2, wherein: the energy supply component (7) is a button battery pack or a seventh battery.

5. The motorized automatic injection pen of claim 1, wherein: the injection pen is characterized in that a limiting ring (10) is arranged in the injection pen body (1), one side of the limiting ring (10) is connected with an electric propulsion device, and the other side of the limiting ring (10) is movably connected with the bottom of the sliding sleeve (5).

6. The motorized automatic injection pen of claim 1, wherein: the tail end of the medicine bag (3) is provided with a film blocking piece, and the pushing block (4) is in contact with the film blocking piece; or a non-contact gap is arranged between the pushing block (4) and the film blocking piece.

7. The motorized automatic injection pen of claim 1, wherein: the tail end of the medicine bag (3) is provided with a guide surrounding baffle (9) in an extending mode, and the outer edge of the pushing block (4) is in contact with the guide surrounding baffle (9).

8. The motorized automatic injection pen of claim 1, wherein: the outer end of the injection pen body (1) located at the injection needle head (2) is provided with a protective sleeve (11).