Quantitative atomization dosing device

Abstract

The utility model provides a quantitative atomization dosing device, which belongs to the technical field of medicine atomization and comprises an injection device, a main machine and an atomization unit. The injection device comprises a shell, a stepping motor, a screw rod, a screw rod piston, a medicine tube, a medicine tube piston, a needle head and a second contact; the host comprises a cavity, a control mainboard, a lithium battery, a first contact and a third contact; the atomization unit comprises an upper shell, an atomization piece, an electrode contact, a soft rubber plug and an atomized liquid medicine chamber. According to the utility model, the stepping motor and the atomization sheet can be simultaneously controlled through the control main board, quantitative medicine atomization is carried out, and the atomization unit and the injection device are convenient to replace and disassemble due to the arrangement of the injection disassembly button and the atomization disassembly button.

Description

Technical Field

[0001] The utility model relates to the technical field of drug atomization, in particular to a quantitative atomization drug delivery device. Background Art

[0002] With the popularization and development of atomization medical technology, the advantages of atomization medical technology in the treatment of respiratory diseases have become increasingly prominent, and the application fields have become more and more extensive. Driven by this market environment, the development of atomization drugs has made rapid progress. In the past, due to the problem of drug properties, it took a long time of atomization inhalation to achieve the concentration required for the treatment effect, but it was also accompanied by waste; with the emergence of new drugs, this atomization method at all costs is no longer applicable, and an atomization device is needed that can set different atomization volume parameters according to needs, quantitative atomization, and meet the needs of various quantitative atomization usage scenarios; at the same time, the atomization sheet and injection device in the device need to be quickly replaced as the drug changes, and how to make the injection device and the atomization unit quickly replaceable is also an urgent problem to be solved. Summary of the invention

[0003] In view of the defects in the above-mentioned background technology, the utility model provides a quantitative atomization drug delivery device, which achieves the effect of quantitative atomization by controlling the pre-stored atomization volume parameters of the main board and controlling the stepping motor to push the medicine tube piston to deliver quantitative drug and the atomization sheet to atomize. At the same time, by providing an ejection spring, an injection disassembly button and an atomization disassembly button, the atomization unit and the injection device are easy to replace and disassemble.

[0004] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0005] The utility model provides a quantitative atomization drug delivery device, comprising an injection device, a main unit, and an atomization unit;

[0006] The injection device comprises a housing, a stepper motor, a screw, a screw piston, a medicine tube, a medicine tube piston, a needle and a second contact. The stepper motor is fixed to the housing, the rotating shaft of the stepper motor is fixedly connected to the screw, a threaded hole is provided on the screw piston, the screw is threadedly connected to the screw piston through the threaded hole, the end of the screw piston is fixedly connected to the medicine tube piston, the medicine tube piston is hollow and adapted to the length of the screw; a medicine tube is fixed to the end of the housing, the inner diameter of the medicine tube is adapted to the outer diameter of the screw piston, the screw piston can drive the medicine tube piston to slide on the inner wall of the medicine tube to achieve accurate quantitative drug administration; one end of the medicine tube is fixedly connected to the needle; the second contact is fixed to the housing, and the second contact is connected to the stepper motor through a wire;

[0007] The host comprises a cavity, a control mainboard, a lithium battery, a first contact and a third contact. The inner diameter of the cavity matches the outer diameter of the medicine tube. The control mainboard stores atomization volume parameters, is connected to the lithium battery through a wire and is powered by the lithium battery. The atomization volume parameters of the control mainboard include automatic atomization mode parameters. The first contact is electrically connected to the second contact, and the first contact is connected to the control mainboard and the lithium battery through a wire. The third contact is connected to the control mainboard through a wire. The control mainboard controls the stepper motor and the lithium battery, and realizes the rise and fall of the screw piston by controlling the forward and reverse rotation of the stepper motor.

[0008] The atomization unit includes an upper shell, an atomization sheet, an electrode contact, a soft rubber plug, an atomization liquid chamber and a mist outlet; the soft rubber plug plugs the top opening of the atomization liquid chamber; the electrode contact is fixed to the upper shell and connected to the two poles of the atomization sheet through a wire; the third contact is electrically connected to the electrode contact, and the control mainboard controls the atomization sheet and releases it through the mist outlet.

[0009] Furthermore, the atomization unit further comprises a lower shell, and the upper shell and the lower shell are fixedly connected by bolts, and the atomization sheet is fixedly clamped in the middle.

[0010] Furthermore, the soft rubber plug of the atomization unit blocks the top opening of the atomization liquid chamber, and the needle of the injection device can pierce the soft rubber plug to enter the atomization liquid chamber.

[0011] Further, the atomization unit includes a first buckle; the injection device includes a second buckle; the main unit includes a third buckle, a fourth buckle, an injection disassembly button and an atomization disassembly button, the first buckle is engaged with the third buckle, the second buckle is engaged with the fourth buckle, the injection disassembly button is matched with the fourth buckle, and the atomization disassembly button is matched with the third buckle.

[0012] Furthermore, the main machine further includes a limiting groove, and the injection device further includes a limiting protrusion, a second buckle is fixedly connected below the limiting protrusion, and the limiting protrusion cooperates with the limiting groove.

[0013] Furthermore, the main machine also includes an ejection spring, and the ejection spring cooperates with the injection device.

[0014] Furthermore, the host includes function buttons and an electronic screen, the control mainboard is connected to the function buttons and the electronic screen via wires, and the lithium battery provides power for the function buttons and the electronic screen; the function buttons and the electronic screen are used to adjust the atomization intensity, liquid dosage and working time.

[0015] Furthermore, the host also includes a power interface and a power indicator light. The power interface supplies power to the function buttons, electronic screen, lithium battery and control mainboard, and the power indicator light is connected to the power interface, lithium battery and control mainboard. Both the lithium battery and the power interface can provide power support, so that the device can be connected to the grid for use, and can also be powered by the lithium battery and used without the grid.

[0016] Compared with the prior art, the utility model has the following beneficial effects:

[0017] (1) The utility model controls the stepping motor to push the medicine tube piston to quantitatively administer the medicine to the atomizing liquid chamber by controlling the atomizing volume parameters pre-stored in the control mainboard, and at the same time controls the mainboard to control the atomizing sheet to atomize, thereby achieving the effect of quantitative atomization.

[0018] (2) The utility model provides an ejection spring, an injection disassembly button and an atomization disassembly button, and the first buckle is engaged with the third buckle, the second buckle is engaged with the fourth buckle, the third contact is electrically connected to the electrode contact, and the first contact is electrically connected to the second contact, so that the atomization unit and the injection device are easily disassembled from the main unit, allowing the user to quickly replace different drugs. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0020] Figure 1 It is an overall schematic diagram of the utility model;

[0021] Figure 2 It is a general schematic diagram of another viewing angle of the utility model;

[0022] Figure 3 It is a schematic diagram of the injection device of the utility model;

[0023] Figure 4 It is a schematic diagram of the internal structure of the injection device of the utility model;

[0024] Figure 5 It is a cross-sectional schematic diagram of the atomization unit of the utility model;

[0025] Figure 6 It is a schematic diagram of the atomization unit of the utility model;

[0026] Figure 7 This is a top view of the atomization unit of the utility model;

[0027] Figure 8 It is a general cross-sectional schematic diagram of the utility model;

[0028] Fig. 9 It is a side view of the main machine of the utility model;

[0029] Fig.10 It is a cross-sectional view of the main engine of the utility model;

[0030] Fig.11 It is the overall top view of the utility model;

[0031] Description of the drawings: 1. stepper motor; 2. screw; 3. screw piston; 4. injection disassembly button; 5. control main board; 6. medicine tube piston; 7. atomization disassembly button; 8. atomization liquid chamber; 9. mist outlet; 10. ejection spring; 11. lithium battery; 12. first contact; 13. silicone plug; 14. upper shell; 15. lower shell; 16. atomization sheet; 17. first buckle; 18. electrode contact; 19. medicine tube; 20. needle; 21. second buckle; 22. shell; 23. second contact; 24. host; 25. injection device; 26. atomization unit; 27. electronic screen; 28. function button; 29. ​​third buckle; 30. fourth buckle; 31. power interface; 32. charging indicator light; 33. limit bump; 34. limit groove; 35. cavity; 36. third contact. Implementation

[0032] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. The following description of at least one exemplary embodiment is actually only illustrative and is by no means intended to limit the utility model and its application or use.

[0033] In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present utility model. In addition, the terms "first", "second", etc. are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, features defined as "first", "second", etc. may explicitly or implicitly include one or more of the features. In the description of the present utility model, unless otherwise specified, "multiple" means two or more.

[0034] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood by specific circumstances. Example

[0035] like Figure 1 , Figure 2 , Figure 8 and Fig.11 As shown, this embodiment provides a quantitative atomization drug delivery device, including an injection device 25, a main unit 24, and an atomization unit 26.

[0036] like Figure 3 and Figure 4 As shown, the injection device 25 includes a housing 22, a stepper motor 1, a screw 2, a screw piston 3, a medicine tube 19, a medicine tube piston 6, a needle 20 and a second contact 23. The stepper motor 1 is fixed on the housing 22. The rotating shaft of the stepper motor 1 is fixedly connected to the screw 2. A threaded hole is provided on the screw piston 3. The screw 2 is threadedly connected to the screw piston 3 through the threaded hole. The end of the screw piston 3 is fixedly connected to the medicine tube piston 6. The medicine tube piston 6 is hollow and adapted to the length of the screw 2. The medicine tube 19 is fixed to the end of the housing 22. The inner diameter of the medicine tube 19 is adapted to the outer diameter of the screw piston 3. The screw piston 3 can drive the medicine tube piston 6 to slide on the inner wall of the medicine tube 19. One end of the medicine tube 19 is fixedly connected to the needle 20. The second contact 23 is fixed on the housing 22. The second contact 23 is connected to the stepper motor 1 through a wire.

[0037] like Fig. 9 and Fig.10 As shown, the host 24 includes a cavity 35, a control mainboard 5, a lithium battery 11, a first contact 12 and a third contact 36. The inner diameter of the cavity 35 is adapted to the outer diameter of the medicine tube 19. The control mainboard 5 stores atomization volume parameters, is connected to the lithium battery 11 through a wire and is powered by the lithium battery 11; the first contact 12 is electrically connected to the second contact 23, and the first contact 12 is connected to the control mainboard 5 and the lithium battery 11 through a wire; the third contact 36 is connected to the control mainboard 5 through a wire; the control mainboard 5 controls the stepper motor 1 and the lithium battery 11, and realizes the rise and fall of the screw piston 3 by controlling the forward and reverse rotation of the stepper motor 1.

[0038] like Figure 5~Figure 7 As shown, the atomization unit 26 includes an upper shell 14, an atomization sheet 16, an electrode contact 18, a soft rubber plug 13, an atomization liquid chamber 8 and a mist outlet 9; the soft rubber plug 13 plugs the top opening of the atomization liquid chamber 8; the electrode contact 18 is fixed to the upper shell 14, and is connected to the two poles of the atomization sheet 16 through a wire; the third contact 36 is electrically connected to the electrode contact 18, and the control main board 5 controls the atomization sheet 16 to atomize the medicine and release it through the mist outlet 9.

[0039] Specifically, Figure 5 As shown, the atomization unit further includes a lower shell 15, the upper shell 14 and the lower shell 15 are fixedly connected by bolts, and the atomization sheet 16 is fixedly clamped in the middle by two silicone rings.

[0040] like Figure 4 and Figure 5 As shown, the soft rubber plug 13 of the atomization unit 26 blocks the top opening of the atomized liquid medicine chamber 8 , and the needle 20 of the injection device 25 can pierce the soft rubber plug 13 and enter the atomized liquid medicine chamber 8 .

[0041] like Figure 8 As shown, the atomization unit 26 includes a first buckle 17; the injection device 25 includes a second buckle 21; the main unit 24 includes a third buckle 29, a fourth buckle 30, an injection disassembly button 4 and an atomization disassembly button 7, the first buckle 17 is engaged with the third buckle 29, the second buckle 21 is engaged with the fourth buckle 30, the injection disassembly button 4 cooperates with the fourth buckle 30, after the injection disassembly button 4 is pressed, the fourth buckle 30 is disengaged from the second buckle 21; the atomization disassembly button 7 cooperates with the third buckle 29, after the atomization disassembly button 7 is pressed, the third buckle 29 is disengaged from the first buckle 17; as shown Figure 8 and Fig.11 As shown, the main body 24 also includes an ejection spring 10. After the injection disassembly button 4 is pressed, the injection device 25 is automatically ejected by the ejection spring 10.

[0042] Specifically, Figure 3 and Fig.11As shown, the main body 24 also includes a limiting groove 34, and the injection device 25 also includes a limiting protrusion 33. A second buckle 21 is fixedly connected below the limiting protrusion 33. The limiting protrusion 33 is engaged with the limiting groove 34 to limit the injection device 25 to prevent the injection device 25 from rotating when the stepper motor 1 rotates.

[0043] like Figure 2 As shown, the host 24 includes function buttons 28 and an electronic screen 27. The control mainboard 5 is connected to the function buttons 28 and the electronic screen 27 through wires. The lithium battery 11 supplies power to the function buttons 28 and the electronic screen 27. The function buttons and the electronic screen are used to adjust the atomization intensity, the dosage of the liquid medicine and the working time.

[0044] like Figure 8 as well as Fig. 9 As shown, the host 24 also includes a power interface 31 and a power indicator light 32. The power interface 31 supplies power to the function buttons 28, the electronic screen 27, the lithium battery 11 and the control motherboard 5. The power indicator light 32 is connected to the power interface 31, the lithium battery 11 and the control motherboard 5.

[0045] When in use, assemble both the atomization unit 26 and the injection device 25 on the main unit 24, long press the function button 28 to enter the setting mode of the atomization volume and interval time, and after the setting is completed, long press to exit, and then short press the function button 28 to start the device. According to the previously set atomization volume parameter, the injection device 25 starts to operate, and the control main board 5 controls the stepper motor 1 to rotate, and the stepper motor 1 drives the screw (2) fixedly connected thereto to rotate, and the screw 2 drives the screw piston 3 to slide through the threaded hole on the screw piston 3, and the screw piston 3 drives the medicine tube piston 6 fixedly connected thereto to slide along the inner wall of the medicine tube 19, pushing out a certain amount of medicine into the atomization liquid chamber 8, and the control main board 5 controls the atomization sheet 16 to spray a certain amount of medicine through the mist outlet 9 for use by the patient.

[0046] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the technical principles of the present invention. These improvements and modifications should also be regarded as the protection scope of the present invention.

Claims

1. A quantitative atomization drug delivery device, characterized in that: It comprises an injection device (25), a main unit (24), and an atomization unit (26); The injection device (25) comprises a housing (22), a stepper motor (1), a screw (2), a screw piston (3), a medicine tube (19), a medicine tube piston (6), a needle (20) and a second contact (23), wherein the stepper motor (1) is fixed to the housing (22), the rotating shaft of the stepper motor (1) is fixedly connected to the screw (2), a threaded hole is provided on the screw piston (3), the screw (2) is threadedly connected to the screw piston (3) through the threaded hole, and the end of the screw piston (3) is fixedly connected to the medicine tube The medicine tube piston (6) is hollow and matches the length of the screw rod (2); a medicine tube (19) is fixed to the end of the housing (22); the inner diameter of the medicine tube (19) matches the outer diameter of the screw rod piston (3); the screw rod piston (3) can drive the medicine tube piston (6) to slide on the inner wall of the medicine tube (19); one end of the medicine tube (19) is fixedly connected to the needle (20); the second contact (23) is fixed on the housing (22); the second contact (23) is connected to the stepping motor (1) through a wire; The host (24) comprises a cavity (35), a control mainboard (5), a lithium battery (11), a first contact (12) and a third contact (36); the inner diameter of the cavity (35) is adapted to the outer diameter of the medicine tube (19); the control mainboard (5) stores atomization amount parameters, is connected to the lithium battery (11) via a wire and is powered by the lithium battery (11); the first contact (12) is electrically connected to the second contact (23), and the first contact (12) is connected to the control mainboard (5) and the lithium battery (11) via a wire; the third contact (36) is connected to the control mainboard (5) via a wire; the control mainboard (5) controls the stepping motor (1) and the lithium battery (11); The atomization unit (26) comprises an upper shell (14), an atomization sheet (16), an electrode contact (18), a soft rubber plug (13), an atomization liquid chamber (8) and a mist outlet (9); the soft rubber plug (13) plugs the top opening of the atomization liquid chamber (8); the electrode contact (18) is fixed to the upper shell (14) and connected to the two poles of the atomization sheet (16) through a wire; the third contact (36) is electrically connected to the electrode contact (18), and the control main board (5) controls the atomization sheet (16) to atomize the medicine and release it through the mist outlet (9).

2. The quantitative atomization drug delivery device according to claim 1, characterized in that: The atomization unit further comprises a lower shell (15), and the upper shell (14) and the lower shell (15) are fixedly connected by bolts, and the atomization sheet (16) is fixedly clamped in the middle.

3. The quantitative atomization drug delivery device according to claim 1, characterized in that: The soft rubber plug (13) of the atomizing unit (26) blocks the top opening of the atomizing liquid chamber (8), and the needle (20) of the injection device (25) can pierce the soft rubber plug (13) and enter the atomizing liquid chamber (8).

4. The quantitative atomization drug delivery device according to claim 1, characterized in that: The atomization unit (26) includes a first buckle (17); the injection device (25) includes a second buckle (21); the main unit (24) includes a third buckle (29), a fourth buckle (30), an injection disassembly button (4) and an atomization disassembly button (7); the first buckle (17) is engaged with the third buckle (29), the second buckle (21) is engaged with the fourth buckle (30), the injection disassembly button (4) is matched with the fourth buckle (30), and the atomization disassembly button (7) is matched with the third buckle (29).

5. The quantitative atomization drug delivery device according to claim 4, characterized in that: The main machine (24) further comprises a limiting groove (34), and the injection device (25) further comprises a limiting protrusion (33). A second buckle (21) is fixedly connected below the limiting protrusion (33), and the limiting protrusion (33) cooperates with the limiting groove (34).

6. The quantitative atomization drug delivery device according to claim 1, characterized in that: The main machine (24) further comprises an ejection spring (10), and the ejection spring (10) cooperates with the injection device (25).

7. The quantitative atomization drug delivery device according to claim 1, characterized in that: The host (24) comprises function buttons (28) and an electronic screen (27); the control mainboard (5) is connected to the function buttons (28) and the electronic screen (27) via wires; and the lithium battery (11) supplies power to the function buttons (28) and the electronic screen (27).

8. The quantitative atomization drug delivery device according to claim 7, characterized in that: The host (24) further comprises a power interface (31) and a power indicator light (32); the power interface (31) supplies power to the function keys (28), the electronic screen (27), the lithium battery (11) and the control mainboard (5); and the power indicator light (32) is connected to the power interface (31), the lithium battery (11) and the control mainboard (5).

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