CN215840980U

CN215840980U - Stepless quantitative atomization drug delivery device

Info

Publication number: CN215840980U
Application number: CN202122213867.3U
Authority: CN
Inventors: 杨继林; 周美子
Original assignee: Wuhan Huahailin Pharmaceutical Co ltd
Current assignee: Wuhan Huahailin Pharmaceutical Co ltd
Priority date: 2021-09-13
Filing date: 2021-09-13
Publication date: 2022-02-18
Anticipated expiration: 2031-09-13

Abstract

The utility model discloses a stepless quantitative atomization dosing device, which comprises a control chamber, a medicine storage chamber and an atomization chamber which are connected in sequence; the control room is externally provided with keys, and the keys comprise a dose setting key and a drug administration key; the drug quantity setting key can set the value of the drug quantity of each time, and the drug delivery key is used for controlling the liquid medicine in the drug storage chamber and delivering the liquid medicine to the atomization chamber; the push rod in the control chamber is connected with the medicine bottle in the medicine storage chamber, and when the medicine feeding button is pressed, the piston in the medicine bottle can be pushed under the action of power, so that the medicine liquid enters the atomization chamber; the atomizing chamber is connected with the nozzle, and atomized liquid medicine can be sprayed out from the nozzle through the control of an atomizing key, so that a patient can inhale the sprayed medicine mist. The drug delivery device can realize stepless quantification without using a propellant; and the corresponding key is pressed down during operation, so that the operation is convenient, and the carrying and the use are convenient.

Description

Stepless quantitative atomization drug delivery device

Technical Field

The utility model belongs to the technical field of medical instruments, and particularly relates to a stepless quantitative atomization drug delivery device.

Background

Because the direct administration to the respiratory tract has the advantages of low dosage, quick response, small side effect and the like, the direct administration becomes the first choice treatment mode for asthma, chronic obstructive pulmonary disease and other various respiratory diseases internationally acknowledged. The aerosol inhalation therapy is one of the commonly used methods for treating respiratory system diseases at present, and the method enables the medicine to directly act on the focus part without passing through each organ of a human body, reduces the decomposition of the medicine in the stomach, intestine, liver, kidney and other organs, and relieves the toxic and side effects. The aerosol inhalation therapy belongs to a non-invasive treatment means, has short treatment course, small medicine dosage and quick response, relieves the pain and inconvenience of injection and medicine taking of patients, and particularly has the prevention effect incomparable to the traditional therapy in the period of influenza and respiratory diseases.

The current devices for delivering drug particles to a lesion by aerosol inhalation therapy mainly comprise three types: the quantitative inhaler mainly utilizes a delivery device which is braked by hand pressure and sprays medicine particles quantitatively, is convenient to carry and simple to operate, but uses a propellant (such as Freon or hydrofluorocarbon), part of the medicine is left in an oral cavity and cannot enter a respiratory tract to reach a focus, and in addition, the propellant is not beneficial to health after being inhaled by a human body for a long time; secondly, the dry powder inhaler has the advantages of synchronization with air suction and better effect than a quantitative inhaler, but has complex medicament configuration, higher price and difficult popularization; and thirdly, the atomizers comprise various airflow atomizers, ultrasonic atomizers, jet atomizers and the like, some atomizers need larger auxiliary devices, the structure is complex, the price is high, the atomizers are not convenient to carry, and some atomizers are small but cannot realize quantitative administration.

SUMMERY OF THE UTILITY MODEL

In view of one or more of the above-identified deficiencies in the art or needs for improvement, the present invention provides a device for stepless, quantitative, nebulized delivery of drugs that allows for stepless, quantitative, and propellant-free delivery; and the corresponding key is pressed down during operation, so that the operation is convenient.

In order to achieve the aim, the stepless quantitative atomization and administration device comprises a control chamber, a medicine storage chamber and an atomization chamber which are connected in sequence;

the control room is externally provided with keys, and the keys comprise a dose setting key and a drug administration key; the drug quantity setting key can set the value of the drug quantity of each time, and the drug delivery key is used for controlling the liquid medicine in the drug storage chamber and delivering the liquid medicine to the atomization chamber;

the push rod in the control chamber is connected with the medicine bottle in the medicine storage chamber, and when the medicine feeding button is pressed, the piston in the medicine bottle can be pushed under the action of power, so that the medicine liquid enters the atomization chamber; the atomizing chamber is connected with the nozzle, and atomized liquid medicine can be sprayed out from the nozzle through the control of an atomizing key, so that a patient can inhale the sprayed medicine mist.

As a further improvement of the utility model, a stepping motor is arranged in the control chamber and connected with the push rod; meanwhile, the stepping motor is electrically connected with the circuit board, and the circuit board is used for processing information transmitted by a user through a key and outputting a corresponding control signal.

As a further improvement of the utility model, a display screen is arranged outside the control room, can display the battery capacity, the dosage once and the residual dosage and is provided with a prompt during atomization and charging.

As a further development of the utility model, the display screen is located on the same side as the nozzle.

As a further improvement of the utility model, the atomizing chamber comprises a liquid medicine channel and an atomizing device, wherein a medicine outlet channel is arranged between the atomizing device and the nozzle, one end of the medicine outlet channel is connected with the atomizing device, the other end of the medicine outlet channel is connected with the nozzle, and the medicine outlet channel is a smooth air channel.

As a further improvement of the utility model, the inlet of the liquid medicine channel is positioned on the top surface, and the outlet is positioned on the side surface, so that the side surface of the nozzle is arranged.

As a further improvement of the utility model, the key also comprises a reset key which is used for returning the push rod to the original position after the liquid medicine in the medicine bottle is used up.

As a further improvement of the utility model, the drug delivery device is also provided with a stepping motor fine adjustment key to prevent the inconsistency between the screen display content and the position of the stepping motor during resetting.

As a further improvement of the utility model, the administration device is also provided with a USB power charging interface.

As a further improvement of the utility model, a charging indicator light and an atomization indicator light are arranged on the circuit board.

Generally, compared with the prior art, the above technical solution conceived by the present invention has the following beneficial effects:

(1) the stepless quantitative atomization drug delivery device comprises a control chamber, a drug storage chamber and an atomization chamber, wherein a micro stepping motor is adopted to drive a screw to push a piston in a drug bottle, drugs are directly atomized by automatically controlling the drug delivery and an electronic oscillation atomization technology, stepless quantitative output of the drug liquid is realized, the drug delivery can be adjusted according to the needs of patients, and the drug delivery mode is suitable for single drug delivery of different drug delivery doses, so that the stepless quantitative atomization drug delivery device is suitable for different patients or drugs; the applicable medicine does not need a propellant or a complex formula, and the medicine solution is directly used, so that the components are simple; and the corresponding key is pressed down during operation, so that the use is convenient.

(2) The stepless quantitative atomization and drug delivery device adopts the electronic oscillation atomizer and the atomization chamber with compact design, so the device is convenient to carry when in use, and particularly provides great convenience for patients suffering from asthma or other respiratory diseases to carry out respiratory tract drug delivery at any time and for a long time.

Drawings

FIG. 1 is a schematic structural diagram of a stepless quantitative atomization drug delivery device according to an embodiment of the utility model;

fig. 2 is a schematic view of the internal structure of a stepless quantitative atomization drug delivery device according to an embodiment of the utility model.

In all the figures, the same reference numerals denote the same features, in particular: 1-main switch, 2-key, 3-circuit board, 4-charging indicator light, 5-atomizing key, 6-battery, 7-stepping motor, 8-atomizing indicator light, 9-display screen, 10-nozzle, 11-atomizing device, 12-push rod, 13-medicine bottle cap, 14-medicine liquid channel, 15-medicine bottle.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model. In addition, the technical features involved in the embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.

In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the utility model and to simplify the description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the utility model.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In the present invention, unless otherwise expressly stated or limited, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through an intermediate. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

Fig. 1 is a schematic structural diagram of a stepless quantitative atomization drug delivery device according to an embodiment of the present invention, and fig. 2 is a schematic structural diagram of an internal structure of a stepless quantitative atomization drug delivery device according to an embodiment of the present invention. As shown in fig. 1 and 2, the stepless quantitative atomizing administration device of the present invention comprises a control chamber, a medicine storage chamber and an atomizing chamber which are connected in sequence, wherein a circuit board 3, a battery 6, a stepping motor 7, a push rod 12, etc. are arranged in the control chamber; a main switch 1, a key 2, an atomizing key 5, a display screen 9 and the like are fixed on the outer shell of the control room; the medicine storage chamber comprises a medicine bottle cap 13 and a medicine bottle 15; the atomizing chamber includes a liquid medicine passage 14 and an atomizing device 11. The medicine storage chamber and the atomizing chamber are preferably arranged at the lower end of the stepless quantitative atomizing and medicine feeding device, the atomizing chamber is connected with the nozzle 10, atomized medicine liquid is sprayed out from the nozzle through the control of the control chamber key 2, and a patient inhales the sprayed medicine mist and finally enters the respiratory tract of the human body for medicine feeding.

Specifically, the main switch 1 is a power switch for starting the drug administration device, the stepping motor 7 is used for providing power, the circuit board 3 is electrically connected with the battery 6, processes information transmitted by a user through a key and outputs a corresponding control signal; the stepping motor 7 is electrically connected with the circuit board 3, meanwhile, the stepping motor 7 is connected with the push rod 12, the push rod 12 is connected with the upper end of the medicine bottle 15 in the medicine storage chamber, the medicine liquid in the medicine bottle 15 can be pushed into the medicine liquid channel 14, and a micro stepping motor is specifically adopted to drive a screw rod to push a piston in the medicine bottle, so that the medicine liquid enters the medicine liquid channel; the liquid medicine passage 14 further communicates with the atomizing device 11, and the atomizing device 11 communicates with the nozzle 10. The atomization device 11 preferably adopts electronic oscillation atomization to atomize the liquid medicine into tiny liquid drops which can enter respiratory tract and lung.

In addition, a medicine outlet channel is preferably arranged between the atomizing device 11 and the nozzle 10, one end of the medicine outlet channel is connected with the atomizing device 11, the other end of the medicine outlet channel is connected with the nozzle 10, and the medicine outlet channel is a smooth air channel.

And, the medicine storage chamber outside is detachable medicine bottle lid 13, and medicine bottle 15 can take out from the medicine storage chamber, is convenient for pack into the liquid medicine when the liquid medicine spouts the end, covers medicine bottle lid again.

The display screen 9 is used for realizing a human-computer interaction function, displaying the battery power, the one-time dosing amount and the residual medicine amount, and prompting during atomization and charging, but specific display contents on the screen can be modified according to actual contents. The key 2 is electrically connected with the circuit board 3 and comprises a dosage setting key, a dosing key and a reset key; the value of each dosage can be set through the dosage setting key, and the dosage can be displayed on the display screen 9; the drug administration key is used for controlling the liquid medicine in the medicine bottle and sending the liquid medicine to the atomizing device; the reset button is used for returning the push rod 12 to the original position and restoring the display screen 9 to the initial value after the liquid medicine in the medicine bottle is used up. In addition, still preferably be provided with step motor fine setting button on the device of dosing, prevent that screen display content and step motor position are inconsistent when reseing. The display screen 9 of the drug delivery device is controlled by a single chip microcomputer on the circuit board, so that the running condition, the drug delivery dosage and the power state of the device can be intuitively known.

Preferably, the display screen 9 is positioned at the same side of the nozzle 10, so that the user can conveniently observe the nozzle through the display screen; in addition, the inlet of the liquid medicine passage 14 is located on the top surface thereof, and the outlet is located on the side surface thereof, so that the side surface of the nozzle is provided, thereby facilitating smooth feeding of the medicine mist sprayed from the nozzle 10 into the inlet when the user holds the stepless quantitative atomizing medicine delivery device of the present invention.

Preferably, still be equipped with the USB power interface that charges on the device of dosing, adopt the cell-phone power can charge for the device.

Preferably, the circuit board 3 is further provided with a charging indicator lamp 4 and an atomization indicator lamp 8, which are respectively used for prompting during charging and atomization.

Further preferably, the circuit board 3 adopts 15w4k32s4 as a main control chip of the circuit; the charging circuit on the circuit board 3 adopts FP6291 as a lithium battery boosting chip, the efficiency can reach more than 90%, the voltage of 3.7V of the lithium battery is boosted to 5V to be supplied to the singlechip and the stepping motor driving chip, and the whole device can normally work under the condition of lower voltage of the lithium battery; in addition, the SJ303 is used as an atomization driving circuit, and the sweep frequency function of the atomization driving circuit can be correspondingly adjusted according to the frequency of an atomization device, so that the atomization amount of the whole atomization is maximized, and the atomization speed can be adjusted by adjusting the size of the boost resistor.

The stepless quantitative atomization drug delivery device can provide stepless and repeated quantitative drug delivery for patients, and the using process is as follows: a user loads liquid medicine into a medicine bottle 15, covers a medicine bottle cover 13, opens a main switch 1, starts the medicine feeding device to work, presses a medicine quantity setting key to set required medicine quantity in advance, then presses a medicine feeding key, and drives a push rod 12 to push a piston in the medicine bottle under the action of a stepping motor 7 to push the liquid medicine in the medicine bottle 15 into a liquid medicine channel 14; then the atomization key 5 is pressed, the atomization driving circuit is conducted, the electronic oscillation atomization device starts to work, the atomization device 11 atomizes the liquid medicine reaching the liquid medicine channel 14, the atomized medicine mist is sprayed out from the nozzle 10, and a patient inhales the sprayed medicine mist and finally enters the respiratory tract of the human body for administration; when the medicine in the medicine bottle is used up, the user presses the reset button, and the push rod 12 is restored to the original position for the next use.

The stepless quantitative atomization drug delivery device comprises a control chamber, a drug storage chamber and an atomization chamber, wherein a micro stepping motor is adopted to drive a screw to push a piston in a drug bottle, drugs are directly atomized by automatically controlling the drug delivery and an electronic oscillation atomization technology, stepless quantitative output of the drug liquid is realized, the drug delivery can be adjusted according to the needs of patients, and the drug delivery mode is suitable for single drug delivery of different drug delivery doses, so that the stepless quantitative atomization drug delivery device is suitable for different patients or drugs; the applicable medicine does not need a propellant or a complex formula, and the medicine solution is directly used, so that the components are simple and the use is convenient; due to the adoption of the electronic oscillation atomizer and the compactly designed atomizing chamber, the portable atomizing device is convenient to carry when in use, and particularly provides great convenience for patients suffering from asthma or other respiratory diseases to need to carry out respiratory tract administration at any time and for a long time. Therefore, the utility model solves the technical problems that some atomization drug delivery devices in the prior art contain propellants, the drug delivery is insufficient and can not directly reach the focus, the used drugs can not be quantitatively delivered, and the price is high or the atomization drug delivery devices are inconvenient to carry.

When the stepless quantitative atomizing and medicine feeding device is used, liquid medicine is filled into a medicine bottle, a power switch is turned on, a medicine feeding key is pressed, the liquid medicine is sent to the atomizing device through a liquid medicine channel according to the required use amount, then the atomizing switch is pressed, the atomizer works, the liquid medicine is atomized and then is sprayed out from the nozzle, a patient inhales the medicine mist into the lung through the nozzle, the atomizing effect is good, stepless quantitative can be realized, and a propellant is not used; the corresponding key is pressed down during operation, so that the operation is convenient, and the carrying and the use are convenient.

It will be understood by those skilled in the art that the foregoing is only a preferred embodiment of the present invention, and is not intended to limit the utility model, and that any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the scope of the present invention.

Claims

1. A stepless quantitative atomization administration device is characterized by comprising a control chamber, a medicine storage chamber and an atomization chamber which are connected in sequence;

a key (2) is arranged outside the control room, and the key (2) comprises a medicine amount setting key and a medicine feeding key; the drug quantity setting key can set the value of the drug quantity of each time, and the drug delivery key is used for controlling the liquid medicine in the drug storage chamber and delivering the liquid medicine to the atomization chamber;

a push rod (12) in the control chamber is connected with a medicine bottle (15) in the medicine storage chamber, and when a medicine feeding button is pressed, a piston in the medicine bottle can be pushed under the action of power, so that medicine liquid enters the atomization chamber; the atomizing chamber is connected with the nozzle (10), and atomized liquid medicine can be sprayed out from the nozzle through the control of the atomizing key (5), so that a patient can inhale the sprayed medicine mist.

2. The stepless quantitative atomizing and drug feeding device according to claim 1, characterized in that a stepping motor (7) is arranged in the control chamber, and the stepping motor (7) is connected with the push rod (12); meanwhile, the stepping motor (7) is electrically connected with the circuit board (3), and the circuit board (3) is used for processing information transmitted from a user through a key and outputting a corresponding control signal.

3. The stepless quantitative atomizing and medicine feeding device according to claim 1, characterized in that a display screen (9) is further arranged outside the control room, and can display the battery capacity, the one-time medicine feeding amount and the residual medicine amount and provide a prompt during atomizing and charging.

4. A device according to claim 3, wherein the display screen (9) is located on the same side of the nozzle (10).

5. A stepless quantitative atomizing and drug delivering device according to any one of claims 1 to 4, characterized in that the atomizing chamber comprises a liquid medicine passage (14) and an atomizing device (11), wherein a drug outlet passage is arranged between the atomizing device (11) and the nozzle (10), one end of the drug outlet passage is connected with the atomizing device (11), the other end of the drug outlet passage is connected with the nozzle (10), and the drug outlet passage is a smooth air passage.

6. A device for stepless metered dose aerosolization of the drug substance according to claim 5, wherein the inlet of the drug solution channel (14) is located at the top surface thereof and the outlet is located at the side surface, such that the nozzle (10) is laterally disposed.

7. The apparatus according to claim 1, wherein the push button (2) further comprises a reset button for returning the push rod (12) to the original position after the liquid medicine in the medicine bottle is used up.

8. The stepless quantitative atomizing medicine feeder according to claim 7, characterized in that the medicine feeder is also provided with a stepping motor fine adjustment button to prevent the inconsistency between the screen display content and the stepping motor position during resetting.

9. The stepless quantitative atomizing and drug delivering device of claim 1, wherein a USB power charging interface is further provided on the drug delivering device.

10. The stepless metered dose aerosolization device of claim 2, wherein the circuit board (3) is provided with a charge indicator (4) and an aerosolization indicator (8).