Subcutaneous injection device

Abstract

The utility model relates to the technical field of injection devices, and provides a hypodermic injection device which comprises a treatment head, a machine body and a dustproof cover capable of being opened or closed, and the closed dustproof cover and the top face of the machine body form a dustproof chamber for containing the treatment head. According to the hypodermic injection device, the dustproof cover is arranged at the top of the machine body, and the treatment head can be placed in the dustproof cover, so that the treatment head is not easy to stain and is not easy to fall off.

Description

Technical Field

[0001] The utility model relates to the technical field of injection devices, and particularly relates to a subcutaneous injection device. Background Art

[0002] A subcutaneous injection device is a device that injects a treatment fluid into the skin through a treatment head to treat the skin. The treatment head of the existing subcutaneous injection device is exposed. Since the volume of this subcutaneous injection device is small, during the process of moving, the treatment head is prone to getting dirty and falling off. Content of the Utility Model

[0003] The purpose of the utility model is to provide a subcutaneous injection device, which can at least solve some defects in the prior art.

[0004] To achieve the above purpose, an embodiment of the utility model provides the following technical solution: A subcutaneous injection device includes a treatment head, and also includes a body and a dust-proof cover that can be opened or closed. After being closed, the dust-proof cover and the top surface of the body form a dust-proof chamber for placing the treatment head.

[0005] Further, the dust-proof cover is of a hemispherical structure, and the dust-proof chamber is located in the hemispherical cavity of the hemispherical structure.

[0006] Further, the hemispherical structure includes at least two arc-shaped pieces, one of the arc-shaped pieces is hinged to the other arc-shaped piece, and the diameter of one of the arc-shaped pieces is smaller than that of the other arc-shaped piece. One of the arc-shaped pieces is slidably arranged on the other arc-shaped piece.

[0007] Further, the arc-shaped piece with the largest diameter or the arc-shaped piece with the smallest diameter is fixedly installed on the top surface.

[0008] Further, there are three arc-shaped pieces, and the diameters of the three arc-shaped pieces gradually decrease in sequence. Adjacent two arc-shaped pieces are hinged. The arc-shaped piece with a medium diameter is slidably arranged on the arc-shaped piece with the largest diameter, and the arc-shaped piece with the smallest diameter is slidably arranged on the arc-shaped piece with a medium diameter.

[0009] Further, the hinge points of the three arc-shaped pieces are located at the same place.

[0010] Further, a handle is provided on the arc-shaped piece with the smallest diameter.

[0011] Further, the treatment head includes a needle and a driving mechanism for pushing the needle forward or backward.

[0012] Further, the driving mechanism includes a stepping motor.

[0013] Further, it also includes a supply component for supplying treatment fluid to the treatment head.

[0014] Compared with the prior art, the beneficial effects of the present utility model are as follows: A subcutaneous injection device, by designing a dust-proof cover at the top of the body, can place the treatment head in the dust-proof cover, which is not easy to dirty the treatment head and will not easily fall off. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the dust-proof cover of a subcutaneous injection device provided by an embodiment of the present utility model being closed;

[0016] Figure 2 It is a schematic diagram of the dust-proof cover of a subcutaneous injection device provided by an embodiment of the present utility model being opened;

[0017] Figure 3 It is a schematic diagram of the treatment head of a subcutaneous injection device provided by an embodiment of the present utility model;

[0018] In the reference numerals: 1 - treatment head; 10 - needle; 2 - body; 3 - dust-proof cover; 30 - arc-shaped piece; 31 - handle. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0019] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all of the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0020] Please refer to Figure 1 、 Figure 2 and Figure 3, an embodiment of the present utility model provides a subcutaneous injection device, which includes a treatment head 1, a body 2, and a dust-proof cover 3 that can be opened or closed. After the dust-proof cover 3 is closed, it forms a dust-proof chamber with the top surface of the body 2 for placing the treatment head 1. In this embodiment, by designing the dust-proof cover 3 on the top of the body 2, the treatment head 1 can be placed inside the dust-proof cover 3, which is not easy to get dirty and will not easily fall off. Specifically, the body 2 can be regarded as a base, and the dust-proof cover 3 is designed on the body 2. The dust-proof cover 3 is arranged next to the display screen. When it is necessary to store the treatment head 1, the treatment head 1 is placed in the dust-proof chamber, and then the dust-proof cover 3 is closed. When it is necessary to use the treatment head 1, the dust-proof cover 3 is opened to remove the treatment head 1 for use. The dust-proof cover 3 can be opened or closed. When it is closed, it can cooperate with the top surface of the body 2 to form a dust-proof chamber to store the treatment head 1. The display screen is used to display the working conditions of some devices. The treatment head 1 is an existing component, which includes a needle 10 and a driving mechanism. The driving mechanism drives the needle 10 to stretch and retract to pierce the skin for injecting the treatment fluid. Preferably, a bracket is arranged inside the dust-proof cover 3 for placing and fixing the treatment head 1.

[0021] As an optimized solution of the embodiment of the present utility model, please refer to Figure 1 , Figure 2 and Figure 3 , the dust-proof cover 3 is of a hemispherical structure, and the dust-proof chamber is located in the hemispherical cavity of the hemispherical structure. In this embodiment, the dust-proof cover 3 is designed as a hemispherical structure, and the hemispherical cavity therein can cooperate with the top surface of the body 2 to form a dust-proof chamber. A bracket can be designed within the range covered by the dust-proof cover 3 to clamp the treatment head 1 on the bracket. The bracket is U-shaped, and two brackets arranged at intervals can cooperate to clamp the treatment head 1. Of course, in addition to the hemispherical structure, the dust-proof cover 3 can also adopt a cubic-shaped cover body, and the opening method can be from the middle to both sides. The dust-proof cover 3 can also adopt a flexible and foldable material, such as a plastic material like a corrugated pipe, so the operability is higher.

[0022] To further optimize the above solution, please refer to Figure 1 , Figure 2 and Figure 3 , the hemispherical structure includes at least two arc-shaped pieces 30, one of the arc-shaped pieces 30 is hinged to the other arc-shaped piece 30, and the diameter of one of the arc-shaped pieces 30 is smaller than that of the other arc-shaped piece 30, and one of the arc-shaped pieces 30 is slidably arranged on the other arc-shaped piece 30. In this embodiment, the hemispherical structure can be refined into multiple arc-shaped pieces 30, that is, the hemispherical structure is cut into multiple arc-shaped pieces 30, but the diameters of the arc-shaped pieces 30 are different after cutting. In this way, the arc-shaped piece 30 with a small diameter can be rotated into the arc-shaped piece 30 with a large diameter to form as Figure 2The open state shown. Preferably, the number of the arc-shaped pieces 30 can be unrestricted. For example, when two arc-shaped pieces are used, the hemispherical structure is cut into two arc-shaped pieces 30, and the arc-shaped piece 30 with a smaller diameter can be rotated into the arc-shaped piece 30 with a larger diameter. Again, as Figure 1 and Figure 2 shown, when three arc-shaped pieces 30 are used, the hemispherical structure is cut into three arc-shaped pieces 30, and their diameters are reduced. In this way, two adjacent arc-shaped pieces 30 are hinged, the arc-shaped piece 30 with a medium diameter is slidably arranged on the arc-shaped piece 30 with the largest diameter, and the arc-shaped piece 30 with the smallest diameter is slidably arranged on the arc-shaped piece 30 with a medium diameter. The arc-shaped piece 30 with the smallest diameter can be received into the arc-shaped piece 30 with a medium diameter, and the arc-shaped piece 30 with a medium diameter can be received into the arc-shaped piece 30 with the largest diameter. The final open state is Figure 2 the state shown.

[0023] To further optimize the above solution, please refer to Figure 1 、 Figure 2 and Figure 3 , the arc-shaped piece 30 with the largest diameter or the arc-shaped piece 30 with the smallest diameter is fixedly installed on the top surface. In this embodiment, when the arc-shaped piece 30 with the largest diameter is used as the basis and this arc-shaped piece 30 is fixed, the arc-shaped pieces 30 with a medium diameter and the smallest diameter can both be mostly rotated into the arc-shaped piece 30 with the largest diameter, so as to open the dust cover 3 and facilitate taking out the treatment head 1. At this time, the handle 31 is arranged on the arc-shaped piece 30 with the smallest diameter, as Figure 1 shown, rotate the arc-shaped piece 30 with the smallest diameter from left to right. When the arc-shaped piece 30 with the smallest diameter is used as the basis and this arc-shaped piece 30 is fixed, just rotate in the reverse direction. At this time, the handle 31 is arranged on the arc-shaped piece 30 with the largest diameter, as Figure 1 shown, rotate the arc-shaped piece 30 with the largest diameter from right to left. The arc-shaped pieces rotate against each other, and smooth surfaces can be made to avoid the rotational resistance caused by friction. Preferably, the hinge points of the three arc-shaped pieces 30 are located at the same place. Designing the hinge points at one place can limit the rotational paths of the three arc-shaped pieces 30. Preferably, a wire hole is provided on the arc-shaped piece 30 with the smallest diameter. Designing the wire hole can avoid interference between the dust cover 3 and the wire harness on the treatment head 1 when the treatment head 1 is in the body 2. A silica gel sleeve is provided at the wire hole to play a sealing role and prevent dust from entering the dust cover 3 from here.

[0024] As an optimized solution of the embodiment of the present invention, please refer to Figure 1 、 Figure 2 and Figure 3 , a handle 31 is provided on the arc-shaped piece 30 with the smallest diameter. In this embodiment, providing the handle 31 on the arc-shaped piece 30 can facilitate opening the dust cover 3.

[0025] As an optimized solution for the embodiment of the present utility model, please refer to Figure 1 , Figure 2 and Figure 3 . The treatment head 1 includes a needle 10 and a driving mechanism for pushing the needle 10 forward or backward. In this embodiment, the driving mechanism is used to drive the needle 10 to act. Compared with manually operating the needle 10, the penetration depth is more accurate, so as to achieve a stable output of the dose of the liquid medicine (treatment liquid) during subcutaneous injection. Manual injection has the defects of unstable single injection dose, unstable subcutaneous depth, and poor effect. Preferably, the driving mechanism includes a stepper motor, and a stepper motor can be used to achieve the drive. Of course, in addition to this, existing linear drive forms, such as using a micro electric push rod, a micro air cylinder, etc., are also feasible. This embodiment does not limit this.

[0026] As an optimized solution for the embodiment of the present utility model, it further includes a supply component for supplying the treatment liquid to the treatment head 1. In this embodiment, a supply component can be provided to supply the treatment liquid to the treatment head 1, and this supply component can be arranged inside the body 2 to supply the treatment liquid to the treatment head 1. Preferably, the supply component includes an infusion tube and a liquid supply bottle, and the treatment liquid can be pumped out by a small pump and sent to the needle 10 through the infusion tube. Preferably, it further includes a liquid taking component for extracting the excess treatment liquid. When too much treatment liquid is injected into the skin, it may be mixed with the exuded blood. If it is not cleaned up in time, these mixed liquids will infect the wound. Therefore, the liquid taking component can be used to extract the excess treatment liquid from the skin. Preferably, the liquid taking component includes a liquid extraction tube and a negative pressure mechanism. The liquid extraction tube is communicated with the above-mentioned infusion tube. When liquid extraction is required, a section of the infusion tube close to the liquid supply bottle is closed, so that the infusion tube can form a passage with the liquid extraction tube. The negative pressure mechanism is opened, and the needle 10 can suck away the excess treatment liquid. A liquid collecting bottle is arranged at the outlet end of the negative pressure mechanism to collect and process it later.

[0027] Although the embodiments of the present utility model have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principle and spirit of the present utility model. The scope of the present utility model is defined by the appended claims and their equivalents.

Claims

1. A subcutaneous injection device, comprising a treatment head, characterized in that: It further includes a body and a dust-proof cover that can be opened or closed. After the dust-proof cover is closed, it forms a dust-proof chamber for placing the treatment head with the top surface of the body.

2. The subcutaneous injection device according to claim 1, wherein: The dust-proof cover is of a hemispherical structure, and the dust-proof chamber is located in the hemispherical chamber of the hemispherical structure.

3. The subcutaneous injection device according to claim 2, wherein: The hemispherical structure includes at least two arc-shaped pieces. One of the arc-shaped pieces is hinged to the other arc-shaped piece, and the diameter of one of the arc-shaped pieces is smaller than that of the other arc-shaped piece. One of the arc-shaped pieces is slidably disposed on the other arc-shaped piece.

4. The subcutaneous injection device according to claim 3, characterized in that: The arc-shaped piece with the largest diameter or the arc-shaped piece with the smallest diameter is fixedly installed on the top surface.

5. The subcutaneous injection device according to claim 3, wherein: There are three arc-shaped pieces, and the diameters of the three arc-shaped pieces gradually decrease in sequence. Adjacent two arc-shaped pieces are hinged. The arc-shaped piece with the medium diameter is slidably disposed on the arc-shaped piece with the largest diameter, and the arc-shaped piece with the smallest diameter is slidably disposed on the arc-shaped piece with the medium diameter.

6. The subcutaneous injection device according to claim 5, wherein: The hinge points of the three arc-shaped pieces are located at the same place.

7. The subcutaneous injection device according to claim 3, characterized in that: A handle is provided on the arc-shaped piece with the smallest diameter.

8. The subcutaneous injection device according to claim 1, wherein: The treatment head includes a needle and a driving mechanism for pushing the needle forward or backward.

9. A subcutaneous injection device according to claim 8, characterized in that: The driving mechanism includes a stepping motor.

10. The subcutaneous injection device according to claim 1, characterized in that: It further includes a supply assembly for supplying treatment liquid to the treatment head.

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