Atomization drug delivery device

Abstract

Disclosed in the present application is an atomization drug delivery device. The device comprises: a container; a housing comprising an inner housing portion and an upper housing portion capable of rotating relative to the inner housing portion, wherein when the upper housing portion completes one full rotation relative to the inner housing portion, fluid in the container is extracted for one atomization cycle; and an indicator comprising a threaded rod rotatably supported on the inner housing portion and an indication element for indicating the number of times of atomization by means of its axial position on the threaded rod, wherein the threaded rod comprises one transmission gear, the upper housing portion is provided with a driving portion, and when the driving portion rotates relative to the inner housing portion along with the upper housing portion and engages the transmission gear, the threaded rod is driven to rotate, thereby causing the indication element to move in the axial direction. The transmission gear comprises P teeth, and P is configured as at least three; the driving portion is configured as at most two single-tooth members arranged opposite to each other, such that P or 2P rotational movements cause the indication element to advance by one stroke in the axial direction of the threaded rod. This allows the number of times of atomization of the atomization drug delivery device to reach P times or 2P times of the total number of strokes provided by the threaded rod in the axial direction.

Description

Atomization administration device TECHNICAL FIELD

[0001] The present application relates to the technical field of nebulizers, in particular to an atomization administration device. BACKGROUND

[0002] The atomization administration device disperses fluid into fine particles / aerosol, and the user inhales the drug into the respiratory tract and the lung by breathing, thereby providing effective delivery of various fluids to achieve therapeutic purposes.

[0003] In order to be able to indicate the number of operations of the atomization administration device or the remaining amount of fluid in the atomization administration device for the user, most manufacturers set indicators on the atomization administration device, thereby being able to indicate the treatment course for the user, indicating the user to return to take medicine or open a new prescription to continue treatment after use. Generally, the user needs to take medicine twice a day, and the service life of each atomization administration device is only 60 atomizations, so each atomization administration device can only provide a month of use for the user. After reaching the service life, the atomization administration device is discarded, which will increase the use cost of the user, and also cause environmental pollution and waste of resources.

[0004] Therefore, how to increase the service life of the atomization administration device to reduce the use cost of the user is a technical problem that those skilled in the art need to solve urgently.

[0005] SUMMARY

[0006] In view of the above-mentioned disadvantages of the related art, the purpose of the present application is to provide an atomization administration device to overcome the technical problem that the short service life of the atomization administration device in the related art leads to a higher use cost of the user.

[0007] To achieve the above object and other related objects, the first aspect of the present application provides an atomization administration device, comprising: a container containing a fluid; a housing receiving the container, comprising an inner housing part and an upper housing part rotatable relative to the inner housing part, when the upper housing part completes one rotation relative to the inner housing part, the fluid in the container is extracted for one atomization; an indicator comprising a threaded rod rotatably supported on the inner housing part and an indicating element indicating the number of atomizations by the axial position of the threaded rod, the threaded rod comprising a transmission gear, the upper housing part being provided with a driving part, the driving part driving the threaded rod to rotate to cause the indicating element to move in the axial direction when the upper housing part rotates relative to the inner housing part and passes through the transmission gear; wherein the transmission gear comprises P teeth, the P teeth are configured as at least three teeth, the driving part is configured as at most two single-tooth members arranged oppositely, so that P times or 2P times of rotational movement causes the indicating element to move one stroke in the axial direction of the threaded rod, to allow the number of atomizations of the atomization administration device to reach P times or 2P times of the total amount of stroke provided by the threaded rod in the axial direction.

[0008] In some embodiments of the first aspect disclosed in the present application, the amount of fluid extracted when the one rotation is completed is a half dose.

[0009] In some embodiments of the first aspect disclosed in the present application, the transmission gear is configured to include four teeth.

[0010] In some embodiments of the first aspect disclosed in the present application, the single-tooth member is configured as one, the total amount of stroke is configured as 30 strokes, and the number of atomizations of the atomization administration device reaches 240 times.

[0011] In some embodiments of the first aspect disclosed in the present application, the single-tooth member is configured as two, the total amount of stroke is configured as 30 strokes, and the number of atomizations of the atomization administration device reaches 120 times.

[0012] In some embodiments of the first aspect disclosed in the present application, the threaded length of the threaded rod is configured to a certain value, and the total amount of stroke is related to the thread density of the threaded rod to increase the number of atomizations that can be provided by the atomization administration device by increasing the thread density.

[0013] In some embodiments of the first aspect disclosed in the present application, the thread density is configured to a range of values such that the total amount of stroke is configured to any value in the range of 30 to 60.

[0014] In some embodiments of the first aspect disclosed in the present application, the single-tooth member is configured as an inner protrusion formed on the inner wall of the upper housing part.

[0015] In some embodiments of the first aspect of the present application, the upper shell portion is configured as a near racetrack shape, and the single tooth is configured near the junction of the straight and curved portions.

[0016] In some embodiments of the first aspect of the present application, the indicating element comprises an indicating portion and a push rod configured on the indicating portion, the push rod being configured to trigger the locking between the upper shell portion and the inner shell portion when the indicating portion moves to the end point.

[0017] In some embodiments of the first aspect of the present application, a scale mark is configured on the outer wall of the inner shell portion and distributed along the axial direction of the threaded rod, and the indicating element cooperates with the scale mark to indicate the usage.

[0018] In some embodiments of the first aspect of the present application, a warning mark is further configured on the scale mark to prompt the user when the nebulization device has been used for a preset number of times.

[0019] In some embodiments of the first aspect of the present application, the nebulization device further comprises a transparent lower shell coupled to the shell body so that the indication provided by the indicating element is observed by the user through the transparent lower shell.

[0020] The second aspect of the present application provides a nebulization device, comprising: a container containing a fluid; a shell body receiving the container, comprising an inner shell portion and an upper shell portion rotatable relative to the inner shell portion, when the upper shell portion completes one rotation relative to the inner shell portion, the fluid in the container is extracted for one nebulization; an indicator comprising a threaded rod rotatably supported on the inner shell portion and an indicating element indicating the number of nebulizations by the position in the axial direction of the threaded rod, the threaded rod comprising a transmission gear, the upper shell portion being provided with a driving portion, the driving portion driving the threaded rod to rotate to move the indicating element in the axial direction when the upper shell portion rotates relative to the inner shell portion and passes through the transmission gear; wherein the transmission gear comprises P teeth, and the P teeth are configured as at least three teeth, and the driving portion is configured as three single teeth to make 2P rotations move the indicating element in the axial direction of the threaded rod for three strokes, so as to allow the number of nebulizations of the nebulization device to reach 2P / 3 times of the total amount of strokes provided by the threaded rod in the axial direction.

[0021] The third aspect of the present application provides an atomization administration device, comprising: a container containing a fluid; a housing receiving the container, comprising an inner housing part and an upper housing part rotatable relative to the inner housing part, when the upper housing part completes one rotation relative to the inner housing part, the fluid in the container is extracted for one atomization; an indicator comprising a threaded rod rotatably supported on the inner housing part and an indicating element indicating the number of atomizations by the axial position of the threaded rod, the threaded rod comprising a transmission gear, the upper housing part is provided with a driving part, the driving part drives the threaded rod to rotate to cause the indicating element to move axially when the upper housing part rotates relative to the inner housing part through the transmission gear; wherein the transmission gear comprises M teeth, and the M teeth are configured as at least five teeth, and the driving part is configured as two sets of double teeth arranged opposite to each other, so that M rotation movements cause the indicating element to move two strokes in the axial direction of the threaded rod, to allow the number of atomizations of the atomization administration device to reach M / 2 times the total amount of strokes provided by the threaded rod in the axial direction.

[0022] In summary, the atomization administration device disclosed in the present application, by providing an upper housing part and an inner housing part rotatable relative to each other on the atomization administration device, so that the inner housing part can realize one atomization of the atomization administration device when it completes one rotation relative to the upper housing part. By providing a threaded rod rotatably supported on the inner housing part and an indicating element capable of cooperating with the threaded rod on the indicator of the atomization administration device, and by driving the transmission gear on the threaded rod to rotate through the driving part on the upper housing part, the axial movement of the indicating element on the threaded rod is realized, and the counting of the number of atomizations of the atomization administration device is realized. By configuring the transmission gear with P teeth and the driving part with at most two single teeth arranged opposite to each other, so that P or 2P rotation movements of the upper housing part relative to the inner housing part cause the indicating element to move one stroke in the axial direction of the threaded rod, thereby allowing the number of atomizations of the atomization administration device to reach P or 2P times the total amount of strokes. In this way, the use life of the atomization administration device can be increased by several times by reducing the number of single teeth of the driving part, and the use life of the atomization administration device can be further increased by several times by changing the number of teeth of the transmission gear or the total amount of strokes of the threaded rod, without affecting other structures of the administration device. By adapting the pre-set amount of fluid in the container, the purpose of reducing the user's use cost is achieved.

[0023] Other aspects and advantages of the present application will become apparent from the following detailed description, taken in conjunction with the accompanying drawings, illustrating by way of example the principles of the application. The description herein and the drawings are merely illustrative of exemplary embodiments of the application, and do not limit the scope of the application, as defined by the appended claims. As will be realized, the application is capable of modifications in various obvious aspects, all without departing from the spirit and scope of the application. Accordingly, the drawings and description are to be regarded as illustrative in nature, and not restrictive. BRIEF DESCRIPTION OF DRAWINGS

[0024] The specific features of the application involved are shown in the appended claims. The features and advantages of the application involved can be better understood by reference to the following detailed description of exemplary embodiments and the attached drawings. The drawings are briefly described as follows:

[0025] FIG. 1 and FIG. 2 show the structural schematic diagrams of the nebulizer device in different embodiments of the present application, respectively.

[0026] FIG. 3 shows the structural schematic diagram of the upper shell in an embodiment of the present application.

[0027] FIG. 4 shows the structural schematic diagram of the upper shell omitting the blocking component in an embodiment of the present application.

[0028] FIG. 5 shows the structural schematic diagram of the threaded rod in an embodiment of the present application.

[0029] FIG. 6 shows the partial schematic diagram of the threaded rod supported on the inner shell in an embodiment of the present application.

[0030] FIG. 7 shows the cross-sectional schematic diagram of the nebulizer device in an embodiment of the present application, in which a single tooth is arranged in the upper shell.

[0031] FIG. 8 shows the cross-sectional schematic diagram of the nebulizer device in an embodiment of the present application, in which two single teeth are arranged in the upper shell.

[0032] FIG. 9 and FIG. 10 show the schematic diagrams of the single tooth before and after the transmission gear, respectively.

[0033] FIG. 11 shows the structural schematic diagram of the indicating element in an embodiment of the present application. DETAILED DESCRIPTION

[0034] The embodiments of the present application are described below by specific examples, and those skilled in the art can easily understand other advantages and effects of the present application from the content disclosed in the present specification.

[0035] In the following description, reference is made to the accompanying drawings which form a part hereof, and in which are shown, by way of illustration, several embodiments. It is understood that other embodiments can be utilized and that structural or operational changes can be made without departing from the scope of the present disclosure. The following detailed description is, therefore, not to be taken in a limiting sense, and the scope of various embodiments is defined by the appended claims. The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of this disclosure.

[0036] It will be understood that, although the terms first, second, etc. can be used herein to describe various elements or parameters, these elements or parameters should not be limited by these terms. These terms are only used to distinguish one element or parameter from another. For example, a first single-toothed piece can be termed a second single-toothed piece, and, similarly, a second single-toothed piece can be termed a first single-toothed piece, without departing from the scope of the various described embodiments. The first single-toothed piece, the second single-toothed piece are all a single-toothed piece, but they are not the same single-toothed piece unless the context clearly indicates otherwise. The term "or" and "and / or" as used herein is to be interpreted as inclusive or meaning any one or any combination. Therefore, "A, B or C" or "A, B and / or C" means any of the following: A; B; C; A and B; A and C; B and C; A, B and C. An exception to this definition will occur only when a combination of elements, functions, steps or acts are in some way inherently mutually exclusive.

[0037] It will be understood that when a component or element is referred to as being "on" another element, or extending "onto" another element, it can be directly on or extend directly onto the other element or intervening elements can also be present. In contrast, when an element is referred to as being "directly on" or extending "directly onto" another element, there are no intervening elements present. It will also be understood that when an element is referred to as being "connected" or "coupled" to another element, it can be directly connected or coupled to the other element or intervening elements can be present. In contrast, when an element is referred to as being "directly connected" or "directly coupled" to another element, there are no intervening elements present.

[0038] Relative terms such as "below" or "above" or "upper" or "lower" or "horizontal" or "vertical" can be used herein to describe a relationship of one element, layer, or region to another element, layer, or region as illustrated in the Figures. It will be understood that these terms are intended to encompass different orientations of the device in addition to the orientation depicted in the Figures. In the present application, the term "vertical", "horizontal", "parallel", are defined as including ±10% of the standard definitions. For example, vertical typically means ±90° from a reference line, but in the present application, vertical means ±80° to 100°.

[0039] The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It will be further understood that the terms "comprises" and / or "comprising", when used in this specification, specify the presence of stated features, integers, steps, operations, elements, and / or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and / or groups thereof.

[0040] Unless otherwise defined, all terms (including technical and scientific terms) used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. It will be further understood that terms used herein should be interpreted as having a meaning that is consistent with their meaning in the context of this specification and the relevant art and will not be interpreted in an idealized or overly formal sense unless expressly so defined herein.

[0041] Comparative quantitative terms such as "above" and "below" are intended to encompass the concept of equality unless expressly stated otherwise. As an example, "above" can mean not only "greater than" in a mathematical sense, but also "equal to".

[0042] In view of the technical problems mentioned in the background art, the present application discloses an atomization administration device. By setting a relatively rotatable upper shell part and inner shell part on the atomization administration device, the inner shell part can realize one atomization of the atomization administration device when completing one rotation relative to the upper shell part. By setting a rotatable threaded rod supported on the inner shell part and an indicating element capable of cooperating with the threaded rod on the indicator of the atomization administration device, and by driving the transmission gear on the threaded rod to rotate through the driving part on the upper shell part, the axial movement of the indicating element on the threaded rod is realized, and then the counting of the atomization times of the atomization administration device is realized. By configuring the transmission gear as P teeth and configuring the driving part as at most two single-tooth pieces arranged opposite to each other, the P or 2P rotation movements of the upper shell part relative to the inner shell part cause the indicating element to move one stroke in the axial direction of the threaded rod, thereby allowing the atomization times of the atomization administration device to reach P or 2P times of the total stroke amount. In this way, the use life of the atomization administration device can be allowed to be multiplied by reducing the number of single teeth of the driving part. Furthermore, the use life of the atomization administration device can be further multiplied by changing the number of teeth of the transmission gear or the total stroke amount of the threaded rod, and the adaptability to the pre-set fluid in the container can be increased without affecting other structures of the administration device, thereby achieving the purpose of reducing the use cost of the user.

[0043] The atomization administration device provided by the present application is used to atomize a fluid into an aerosol that can be breathed or inhaled by a user, which can also be referred to as a soft mist, an aerosol, fine particles, or fine droplets, etc. In some examples, the fluid can be a liquid containing one or more pharmaceutical ingredients, such as a water-soluble or alcohol-soluble pharmaceutical preparation. Among them, the pharmaceutical ingredients include at least one of the following: anticholinergic drugs, beta receptor agonists, steroids, phosphodiesterase-IV-inhibitors, LTD4-antagonists, EGFR-kinase inhibitors, antiallergics, ergot alkaloid derivatives, triptans, CGRP-antagonists, phosphodiesterase-V-inhibitors, etc. In some examples, the fluid can include solids or droplet states such as particles, powders, colloidal particles, etc., for example, the fluid is configured as a suspension. In some other examples, the fluid can be a non-pharmaceutical liquid, such as water, cosmetics, essential oils, fragrances, and disinfectants, etc. Those skilled in the art can select a specific fluid according to the specific use of the atomization administration device according to the inspiration of the present application.

[0044] The atomization administration device provided by the present application is described in detail below in combination with FIGS. 1-2.

[0045] Please refer to FIGS. 1 and 2, which respectively show the structural schematic diagrams of the atomization administration device in different embodiments of the present application. As shown in FIG. 1, the atomization administration device includes a container 1, a shell 2, and an indicator 3.

[0046] In an embodiment, the container 1 contains fluid. Further, the container 1 contains a preset dose of fluid. A dose can refer to a single amount of medication that is required to achieve a therapeutic effect on a user. The single amount of medication can be an amount of medication within a time period, for example, an amount of medication required within a time period (e.g., before breakfast, within half an hour, within ten minutes, within a day, etc.) as specified in the instructions of the medication or device. In the embodiments of the nebulization device described herein, the single amount of medication can be achieved by one or more nebulizations. In some examples, the container 1 is configured to contain 30 doses of fluid, i.e., the nebulization device can provide 30 doses of medication, and can also be understood as having a service life of 30 doses. In other examples, in order to improve the service life of the nebulization device, the amount of fluid that the container 1 can contain can be increased, i.e., the preset dose can be configured to be more than 30 doses. In order to balance the anti-pollution capability of the nebulization device and the structure of the indicator provided in subsequent embodiments, the preset dose can be preferably configured to be 60 or 120 doses. Of course, according to actual needs, those skilled in the art can also configure other dose numbers, which are not limited in the present application.

[0047] In an embodiment, the container 1 can be configured in a cylindrical or drum shape, and has a collapsible bag inside. During the nebulization of the fluid, the collapsible bag can be gradually compressed under the pressure of the external environment as the fluid decreases, so that the fluid can be used completely to reduce fluid residue and waste. In addition, the pressure inside the collapsible bag is constant during nebulization, which helps to stabilize the nebulization effect. In the present example, the container 1 can be made of a strong and durable material such as stainless steel or high-strength plastic to provide external protection. The collapsible bag can be made of a flexible material such as a polyethylene or polypropylene film, so that it can be compressed during nebulization.

[0048] In an embodiment, the housing 2 is used to receive the container 1. As shown in FIG. 1, the container 1 can be inserted from below the housing 2. In an example, the housing 2 can be connected with the container 1 by a snap connection. Specifically, when the user pushes the container 1 into the housing 2 from below, the sound of the snap connection can indicate that the container 1 has reached the initial installation position.

[0049] In an embodiment, the housing 2 includes an upper housing portion 21 and an inner housing portion 22, and the inner housing portion 22 can rotate relative to the upper housing portion 21. In an implementation, the inner wall of the upper housing portion 21 can be provided with an annular protrusion, and the outer wall of the inner housing portion 22 can be provided with a structure matching the annular protrusion, so that the inner housing portion 22 can be connected to the upper housing portion 21 and can rotate relative to the upper housing portion 21. However, this is not a limitation, and those skilled in the art can only design the structures of the two to enable relative rotation.

[0050] In an embodiment, the fluid in the container 1 is extracted for one-time atomization when the inner housing 22 completes one rotation relative to the upper housing 21. In other words, when the inner housing 22 and the upper housing 21 have one relative rotation, the atomization inhaler extracts a one-time atomization liquid amount from the container 1 to atomize the extracted liquid amount when the atomization inhaler is activated, and thus, this state or action is also referred to as a triggered or ready state of the atomization inhaler. Further, the rotation angle of the one-time rotation movement, i.e., the angle of rotation required to trigger the atomization inhaler, can also be understood as the angle of rotation required for the atomization inhaler to enter the ready state from the initial state (i.e., the state when the atomization inhaler is not triggered, which can correspond to the state when the atomization inhaler is first used or the state after each atomization is completed). For example, the one-time rotation movement is configured as a 180° rotation movement, i.e., when the inner housing 22 rotates 180° relative to the upper housing 21, the atomization inhaler can extract the fluid in the container 1 to enter the ready state. In this example, the atomization inhaler can emit an audible prompt to indicate that the user has entered the atomization inhaler from the initial state to the ready state.

[0051] In order to make the atomization inhaler enter the ready state, in an embodiment, a pressure generating structure is further configured in the housing. Referring to FIG. 3 and FIG. 4, FIG. 3 shows a structural schematic diagram of the upper housing in an embodiment of the present application, and FIG. 4 shows a structural schematic diagram of the upper housing of the present application in an embodiment omitting the blocking assembly. As shown in FIG. 3 and FIG. 4, the pressure generating structure can include a holder (not shown), a drive spring (not shown), a blocking assembly 211, and an actuating member 212. The actuating member 212 is configured, for example, in the upper housing 21, which can cooperate with the holder to convert the rotation movement into axial downward movement. The holder is used to connect the container 1, thereby fixing the container 1 inserted into the atomization inhaler in the atomization inhaler and can drive the container 1 to move axially downward. The actuating member 212 is used to actuate the holder to convert the rotation movement when the atomization inhaler is triggered into axial movement. The drive spring is linked with the holder. The blocking assembly 211 can block or release the holder, so that the drive spring can be kept in a tensioned position or released to move the holder axially upward. For example, the drive spring can be supported by the inner housing 22, and the upper end thereof abuts against the holder. The actuating member 212 pushes the holder to move axially downward when the inner housing 22 has one rotation relative to the upper housing 21 (which can also be referred to as when the atomization inhaler is triggered), and the axial downward movement of the holder compresses (which can also be referred to as tensions) the drive spring. The holder is blocked by the blocking assembly 211 when the one-time rotation movement ends, and the drive spring is kept in the tensioned position. After the user removes the blocking of the holder by operating the blocking assembly 211, the drive spring releases the elastic force to drive the holder to move axially upward.

[0052] The axial direction refers to the axial direction of the aerosol delivery device, and the axial line of the aerosol delivery device is shown as a dashed line L in FIG. 1. The upward movement in the axial direction refers to the direction towards the upper housing 21 of the aerosol delivery device, as shown by the arrow direction in FIG. 1. Correspondingly, the downward movement in the axial direction refers to the direction away from the upper housing 21 of the aerosol delivery device, i.e. the direction opposite to the arrow direction shown in FIG. 1. The axial direction mentioned above and hereinafter, and the upward or downward movement in the axial direction can be understood in this way, and will not be described in detail.

[0053] In an embodiment, as shown in FIG. 3, the blocking assembly 211 can be arranged on the upper housing 21. On the one hand, the blocking assembly 211 can block the holder during the aforementioned rotational movement of the inner housing 22 relative to the upper housing 21, so that the driving spring can be kept in the tensioned position. On the other hand, the blocking assembly 211 can unblock the holder, so that the driving spring can release the elastic force, and the released elastic force pushes the holder to move the container 1 upward in the axial direction. In an example, the blocking assembly 211 includes a button, and a user can manually press the button to unblock the holder by the blocking assembly 211.

[0054] In an embodiment, as shown in FIG. 4, the actuating member 212 has a first ramp surface 2121 thereon, which can be in contact with the holder. When the inner housing 22 and the upper housing 21 produce a relative rotational movement, the actuating member 212 can also produce a relative rotation with the holder, and further the first ramp surface 2121 produces a relative rotation with the holder, which promotes the holder to move downward in the axial direction, and further compresses the driving spring downward. At the end of the relative rotational movement, the first ramp surface 2121 leaves the holder, and the holder and the driving spring are kept in the tensioned position due to the blocking of the holder by the blocking assembly 211, i.e. the aerosol delivery device is in the preparation state. When the blocking assembly 211 unblocks the holder, the driving spring can release the elastic force, and further push the holder to move the container 1 upward in the axial direction.

[0055] Further, in order to realize the extraction and atomization of the fluid in the container 1, the pressure generating structure can further comprise a delivery assembly, which for example comprises a delivery tube, a check valve, a pressure chamber, a nozzle and the like. The nozzle can comprise a microfluidic structure capable of dispersing the fluid into an aerosol. The extraction, delivery and atomization of the fluid can be realized by the cooperation between the components in the delivery assembly. The delivery tube is arranged on the holder, and when the container 1 is fixed to the atomization and administration device by the holder, the delivery tube is automatically inserted into the container 1 to communicate with the fluid in the container 1. When the atomization and administration device is triggered to place the driving spring in tension, the holder moves downward together with the container 1 and the delivery tube, and the fluid in the container 1 is sucked out of the container 1 through the check valve and into the pressure chamber. After the user manually operates the blocking assembly 211, the driving spring releases the elastic force so that the delivery tube moves to the pressure chamber together with the check valve closed at this time, and the fluid in the pressure chamber is under pressure, forcing the fluid in the pressure chamber to be atomized and output through the nozzle.

[0056] In an embodiment, as shown in FIGS. 3 and 4, the upper shell part 21 can comprise a mouthpiece 213 having a supply passage therein. The mouthpiece 213 can communicate with the nozzle, and when the atomization and administration device is in the triggered state, the user can inhale through the mouthpiece 213, so that the fluid atomized and output by the nozzle enters the respiratory system through the supply passage to achieve the therapeutic purpose.

[0057] Further, the upper shell part 21 can further be provided with an air supply opening 214, and when the user inhales through the mouthpiece 213, air can enter the mouthpiece 213 from the air supply opening 214 and mix with the atomized fluid, so that the atomized particles inhaled by the user are more uniform and delicate, thereby improving the user experience. In addition, the air entering the mouthpiece 213 from the air supply opening 214 can increase the flow of atomized particles inhaled by the user, thereby increasing the intensity and coverage area of the output spray, and further improving the atomization effect.

[0058] In order to facilitate the protection of the suction nozzle 213, in an embodiment, as shown in FIG. 2, the suction nozzle 213 can be further provided with an openable and closable cover 215. When the cover 215 is closed, it can cover the suction nozzle 213 and the blocking component 212 at the same time, preventing the suction nozzle 213 from being contaminated by the external environment, preventing the user from triggering the atomization and drug delivery device by mistake, and preventing the waste of fluid. Specifically, as shown in FIGS. 3 and 4, the cover 215 can be connected to the upper shell 21 through the shaft structure 2151 at one end of the upper shell 21, so that the cover 215 can be opened or closed by rotating the shaft structure 2151. In an example, the other end of the cover 215 can be provided with a protruding structure, and the user can open or close the cover 215 by operating the protruding structure. For example, the user holds the shell 2 of the atomization and drug delivery device with his palm, and his thumb can push the protruding structure upwards to open the cover 215, or press the protruding structure downwards to close the cover 215.

[0059] As shown in FIGS. 1 and 2, the atomization and drug delivery device comprises an indicator 3 for indicating the atomization times of the atomization and drug delivery device. The atomization times are associated with the drug amount, so the indicator 3 can provide the user with a dose indication based on the atomization times, or it can also be understood as indicating the atomization times by providing a dose indication. In an embodiment, when a rotation motion of the inner shell 22 relative to the upper shell 21 is completed, the amount of fluid extracted in the container 1 is a half dose, which refers to half of the aforementioned one dose. In other words, one atomization of the atomization and drug delivery device is to atomize the extracted half dose, and two atomizations of the atomization and drug delivery device can complete the delivery of one dose of drug. In order to facilitate the explanation and description, the amount of fluid atomized by the atomization and drug delivery device each time is taken as a half dose for the embodiment description of the indication function of the indicator and the service life of the atomization and drug delivery device, which should not be understood as a limitation of the present application.

[0060] In one embodiment, as shown in FIGS. 1 and 2, the indicator 3 comprises a threaded rod 31 rotatably supported on the inner housing portion 22 and an indicator element 32 which is moved axially on the threaded rod 31 to indicate the number of atomizations. In some examples, relative rotational movement between the upper housing portion and the inner housing portion can drive rotation of the threaded rod 31, which in turn causes the indicator element 32, which is threadably engaged with the threaded rod 31, to move axially on the threaded rod 31. For example, the upper housing portion can be provided with a drive portion which can pass over a drive gear of the threaded rod 31 during rotation of the upper housing portion relative to the inner housing portion, which can drive rotation of the threaded rod 31 and in turn cause the indicator element to move axially on the threaded rod 31. It is noted at the outset that, for ease of description and understanding, the movement of the indicator element provided by one thread of the threaded rod in the subsequent embodiments of the present application is referred to as one stroke. Since one thread corresponds to one pitch in the axial direction, one stroke corresponds to one pitch with reference to the axial direction of the threaded rod, and movement of the indicator element by one stroke corresponds to movement of the indicator element by a distance of one pitch on the threaded rod. The total number of strokes is the total number of pitches provided by the portion of the threaded rod which is used for indication by the indicator element, which can be represented by the effective total length of the threaded portion used for indication by the indicator element divided by the pitch. The effective total length is the length of the portion of the threaded portion which is used for indication by the indicator element, which can allow for a redundancy of the number of threads in the threaded portion of the threaded rod in some embodiments. Of course, the number of threads can also not be provided with a redundancy, in which case the portion of the threaded portion used for indication by the indicator element is the total length of the threaded portion.

[0061] Please refer to FIG. 5 and FIG. 6 in combination with FIG. 1 and FIG. 2, wherein FIG. 5 shows a schematic diagram of the threaded rod in an embodiment of the present application, and FIG. 6 shows a partial schematic diagram of the threaded rod supported on the inner shell in an embodiment of the present application. As shown in the figures, the threaded rod 31 comprises a transmission gear 312, and the driving portion configured on the upper shell portion drives the transmission gear 312 to rotate the threaded rod 31. The threaded rod 31 further comprises a rod portion 311, which comprises a threaded portion 3111, and the indicating element 32 is arranged on the threaded portion 3111 in a threaded manner, so that the rotation of the threaded rod 31 drives the indicating element 32 to move axially. The rod portion 311 further comprises a first coupling portion 3112 formed axially from the end of the threaded portion 3111, and a support 221 is further arranged on the outer wall of the inner shell portion 22 to match the first coupling portion 3112, so that the threaded rod 31 is rotatably supported on the inner shell portion 22. Specifically, the first coupling portion 3112 can be configured to have a smooth surface, and the support 221 is arranged as a buckle structure on the outer wall of the inner shell portion 22 to match the first coupling portion 3112, so that the first coupling portion 3112 is allowed to rotate in the buckle structure when the first coupling portion 3112 is buckled in the buckle structure, thereby allowing the threaded rod 31 to be rotatable while being supported on the outer wall of the inner shell portion 22. Further, the end of the rod portion 311 opposite to the first coupling portion 3112 can also be configured with a second coupling portion (not labeled), and the outer wall of the inner shell portion 22 is configured with a matching support portion, and the second coupling portion matches the support portion to support the threaded rod 31 on the outer wall of the inner shell portion 22 without affecting the rotation of the threaded rod 31.

[0062] In an embodiment, the driving portion drives the threaded rod 31 to rotate by pushing the teeth of the transmission gear 312 during the rotation of the upper shell portion. The transmission gear 312 can be configured with at least three teeth, for example, three teeth, four teeth (as shown in the embodiment of FIG. 5), five teeth, six teeth, or more.

[0063] In order to improve the service life of the atomization drug delivery device without affecting the structure of the indicator, in an embodiment, the driving part is configured as at most two single-tooth members arranged oppositely on the inner wall of the upper shell part. It should be understood that the at most two single-tooth members include a single-tooth member in the upper shell part, and two single-tooth members arranged oppositely on opposite sides of the upper shell part. In this way, at most one single-tooth member is driven by the upper shell part to push a tooth on the transmission gear when the upper shell part completes one rotation relative to the inner shell part (one rotation corresponds to a 180° rotation). In other words, P times or 2P times of rotation of the upper shell part relative to the inner shell part causes the indicator element to move one stroke in the axial direction of the threaded rod, thereby allowing the number of atomization of the atomization drug delivery device to reach P times or 2P times of the total stroke, where P represents the number of teeth of the transmission gear. In this embodiment, the number of teeth of the transmission gear is at least three. In this way, the service life of the atomization drug delivery device can be improved by reducing the number of single-tooth members of the driving part, and the adaptability of the device to the pre-set dose of fluid in the container can be increased without changing other structures.

[0064] In the following, one rotation corresponds to a 180° rotation, and the transmission gear is configured with four teeth as shown in FIG. 5. The working principle of the indicator and the improvement of the service life of the atomization drug delivery device with one single-tooth member and two oppositely arranged single-tooth members are described with reference to FIGS. 7 and 8. FIG. 7 shows a cross-sectional view of an atomization drug delivery device according to an embodiment of the present application, in which one single-tooth member is arranged in the upper shell part. FIG. 8 shows a cross-sectional view of an atomization drug delivery device according to an embodiment of the present application, in which two oppositely arranged single-tooth members are arranged in the upper shell part. The cross-sections shown in FIGS. 7 and 8 correspond to the cross-section at position A-A as indicated in FIG. 2.

[0065] In the embodiment shown in FIG. 7, two single-toothed members are arranged on the inner wall of the upper shell part 21, i.e., the first single-toothed member 216a and the second single-toothed member 216b shown in FIG. 7. When the first rotation is generated, i.e., the upper shell part 21 rotates 180° in the direction of the arrow, the first single-toothed member 216a can engage with one tooth on the transmission gear 312, in other words, the first single-toothed member 216a will contact and push one tooth of the transmission gear 312 in the rotation of the upper shell part 21, so as to drive the threaded rod to rotate 90° in the rotation direction, as shown in FIGS. 9 and 10 (FIGS. 9 and 10 respectively show the state of the single-toothed member before and after passing through the transmission gear), when the first single-toothed member 216a in FIG. 7 passes through the transmission gear 312, it rotates 90° in the rotation direction from the state of the transmission gear 312, and the 90° rotation can drive the indicator element to move 1 / 4 of a stroke on the threaded rod. When the second rotation is generated, i.e., the upper shell part 21 continues to rotate 180° in the direction of the arrow, the second single-toothed member 216b will pass through the transmission gear 312, and in this process, the second single-toothed member 216b engages with one tooth on the transmission gear 312, so as to drive the threaded rod to rotate 90° in the rotation direction again, and the 90° rotation can drive the indicator element to continue to move 1 / 4 of a stroke on the threaded rod 31. This cycle continues until the indicator element accumulates 1 stroke in the axial direction when the upper shell part 21 performs 4 (P = 4) rotation movements.

[0066] In other words, in the embodiment shown in FIG. 7, the indicator element can move once corresponding to each atomization or each rotation, and the movement amount of one time is 1 / 4 of a stroke, i.e., in the embodiment shown in FIG. 7, 4 atomizations are required to move 1 stroke of the indicator element. Taking the total amount of strokes as 30 strokes as an example, i.e., the threaded rod can allow the indicator element to move 120 times, so as to allow the atomization number of the atomization drug delivery device to reach 120 times, and the preset dose contained in the container 1 can be increased to 60 doses.

[0067] In the embodiment shown in FIG. 8, a single tooth member 216c is arranged on the inner wall of the upper housing 21. In the first rotation, i.e. when the upper housing 21 rotates 180° in the direction of the arrow, the single tooth member 216c can only rotate 180° and cannot contact the transmission gear 312, so that the threaded rod does not rotate. In the second rotation, i.e. when the upper housing 21 continues to rotate 180° in the direction of the arrow, the single tooth member 216c can pass through the transmission gear 312 in this rotation. In this process, the single tooth member 216c engages with a tooth of the transmission gear 312, which causes the threaded rod to rotate 90° in the direction of rotation. As shown in FIGS. 9 and 10, when the single tooth member 216c in FIG. 8 passes through the transmission gear 312, the transmission gear 312 rotates 90° in the direction of rotation from the perspective of the teeth of the transmission gear 312, and this 90° rotation can cause the indicator element to move 1 / 4 of a stroke on the threaded rod. This cycle continues until the upper housing 21 performs 8 (2P = 2 x 4) rotation movements, which can cause the indicator element to move 1 / 4 of a stroke in the axial direction.

[0068] In other words, in the embodiment shown in FIG. 8, the indicator element can correspondingly move once every two atomizations or every two rotations, and the amount of movement of one movement is 1 / 4 of a stroke. That is, in the embodiment shown in FIG. 8, 8 atomizations are required to move the indicator element one stroke. For example, if the total stroke is configured to be 30 strokes, although the threaded rod can still allow the indicator element to move 120 times as in FIG. 7, since one movement corresponds to two atomizations, the atomization number provided by the atomization inhaler can reach 240 times, and since two atomizations correspond to one dose, the preset dose contained in the container 1 can be increased to 120 doses.

[0069] In some other embodiments, the driving portion is configured with three single tooth members on the inner wall of the upper housing 21, two of which are arranged on the same side of the upper housing and opposite the third single tooth member. In order to facilitate description and distinguish from the first single tooth member and the second single tooth member described in the above embodiments, the three single tooth members in this embodiment are described as a third single tooth member, a fourth single tooth member, and a fifth single tooth member. Among them, the third single tooth member and the fourth single tooth member can be arranged on the same side of the upper housing, for example, the third single tooth member is arranged at the position of the first single tooth member 216a shown in FIG. 7, and the fourth single tooth member is arranged on the same side of the third single tooth member. The fifth single tooth member is arranged on the side opposite to the third and fourth single tooth members, for example, arranged at the position of the second single tooth member 216b shown in FIG. 7.

[0070] In the embodiment where the driving part is configured as three single teeth, the transmission gear can be configured as at least three teeth (denoted as P), and the driving part is configured as three single teeth so that 2P times of rotational movement causes the indicating element to move three strokes in the axial direction of the threaded rod, so as to allow the number of atomization of the atomization and administration device to reach 2P / 3 times of the total number of strokes provided by the threaded rod in the axial direction. The following is described in combination with the process of each rotational movement, with the transmission gear being configured as four teeth.

[0071] Specifically, when the first rotation is generated, i.e., the upper shell part 21 rotates 180° relative to the inner shell part 22, the third single tooth and the fourth single tooth can be engaged with two teeth on the transmission gear 312, in other words, the third single tooth will contact and push one tooth of the transmission gear 312 in the process of following the rotation of the upper shell part 21, thereby causing the threaded rod to rotate 90° in the direction of rotation, and then the fourth single tooth will contact and push another tooth of the transmission gear 312 in the process of following the rotation of the upper shell part 21, thereby causing the threaded rod to rotate 90° again in the direction of rotation. That is, when the third single tooth and the fourth single tooth pass through the transmission gear 312, the transmission gear 312 rotates 180° in the direction of rotation, which can cause the indicating element to move 1 / 2 of a stroke on the threaded rod. When the second rotation is generated, i.e., the upper shell part 21 continues to rotate 180° relative to the inner shell part 22, the fifth single tooth will pass through the transmission gear 312, and in this process, the fifth single tooth is engaged with one tooth on the transmission gear 312, causing the threaded rod to rotate 90° again in the direction of rotation, which can cause the indicating element to continue to move 1 / 4 of a stroke on the threaded rod 31. This cycle continues until the upper shell part 21 performs 8 times (P=4) of rotational movement, which can cause the indicating element to move 3 strokes in the axial direction.

[0072] In other words, in this embodiment, the indicating element can correspondingly move three times for every two atomizations or every two rotations, and the total movement is 3 / 4 of a stroke. Among them, the first atomization moves 1 / 2 of a stroke, and the second atomization moves 1 / 4 of a stroke. That is, in this embodiment, 8 atomizations are required, and the indicating element can move 3 strokes. Taking the total stroke as 30 strokes as an example, the atomization and administration device can provide 80 atomizations, and with two atomizations corresponding to one dose, the preset dose contained in the container 1 can be increased to 40 doses.

[0073] In an embodiment, as shown in Figs. 7 and 8, the single-toothed members (216a, 216b, 216c) are configured as inner protrusions formed on the inner wall of the upper shell portion 21. In some examples, the inner protrusions can be configured as long strip-shaped protrusions extending in the axial direction on the inner wall of the upper shell portion 21, so that the single-toothed members occupy a certain length in the axial direction, which can reduce the lateral alignment accuracy of the single-toothed members with the threaded rod. It should be noted that Figs. 7 and 8 are only schematic illustrations of the single-toothed members and should not be construed as limiting the present application. The single-toothed members 216 can be configured as any form of protrusion structure as long as they can engage with the teeth on the transmission gear 312 of the threaded rod 31 and drive the threaded rod 31 to rotate.

[0074] In an embodiment, as shown in Figs. 7 and 8, the upper shell portion 21 is configured as a near racetrack shape, and the single-toothed members (216a, 216b, 216c) are configured near the junction of the straight track and the curved track. Near the junction refers to a range occupying a certain area of the straight track and the curved track respectively based on the junction point. For example, the single-toothed members (216a, 216b, 216c) located near the junction of the straight track and the curved track can be specifically configured at the junction point, at a position on the straight track and close to the junction point, or at a position on the curved track and close to the junction point.

[0075] Of course, in some other embodiments, the upper shell portion 21 can be configured as any other shape, for example, a circular shape, and the single-toothed members (216a, 216b, 216c) can also be configured at any position on the inner wall of the upper shell portion 21 as long as they can drive the transmission gear 312 of the threaded rod 31 to rotate when the upper shell portion 21 rotates, and the present application does not limit this.

[0076] It should be noted that the above embodiments only schematically illustrate that the transmission gear is configured with four teeth, and the total number of strokes is configured as 30 strokes, and the nebulization device is allowed to provide 80, 120, and 240 nebulization times, so that the service life of the nebulization device can be greatly improved through the design of the driving teeth. In an embodiment, the service life of the nebulization device can be further improved by increasing the number of gears of the transmission gear. Under the idea that the driving portion is configured with at most two opposite single-toothed members or three single-toothed members, for example, the transmission gear can be configured with five gears, and the number of strokes is allowed to be 10 / 3 times, 5 times, or 10 times the total number of strokes of the nebulization device. Of course, a person skilled in the art can also configure the transmission gear with six gears, seven gears, eight gears, or more gears according to actual requirements and conditions, and the present application does not limit this.

[0077] As shown in FIG. 5, the threaded portion 3111 is uniformly provided with a plurality of threads, one pitch corresponding to one stroke as described in the foregoing embodiments, and the total amount of strokes is the total amount of pitches provided by the portion of the threaded portion of the threaded rod for the indication element to indicate. In view of this, in some embodiments, under the idea that the driving portion is configured as at most two oppositely arranged single-toothed pieces or three single-toothed pieces, the service life of the atomization and administration device can be further improved by increasing the total amount of strokes, for example, the total amount of strokes can be configured as 40, 50, 60, etc.

[0078] In an embodiment, the threaded length of the threaded rod (i.e., the length of the threaded portion) can be increased so that more threads can be added, i.e., more total amount of pitches is provided.

[0079] In an embodiment, the threaded length of the threaded rod is configured as a certain value (for example, the desired length is a certain value in order to adapt to the overall length of the atomization and administration device and the user experience), and the total amount of strokes is related to the thread density of the threaded rod, so that the number of atomizations that can be provided by the atomization and administration device can be increased by increasing the thread density. For example, in the example where the threaded length is the certain value, the total amount of strokes can be changed by changing the value of the thread density, for example, the value range of the thread density is configured to enable the total amount of strokes to be configured as any value in the range of 30 to 60, for example, the total amount of strokes can be configured as 30, 35, 40, 45, 50, 55, or 60, etc.

[0080] In other embodiments, the driving portion can also be configured in other structures to achieve the improvement of the service life of the atomization and administration device by setting the number of teeth of the transmission gear on the threaded rod without affecting the structure of the indicator. In an embodiment, the driving portion can be configured as two sets of oppositely arranged double-toothed pieces, it should be understood that two sets of oppositely arranged double-toothed pieces refer to two sets of double-toothed pieces located on opposite sides of the upper shell portion, and one set of double-toothed pieces refers to a component including two teeth located on the same side of the upper shell portion. In this embodiment, the transmission gear can be configured to include at least five teeth (at least five teeth corresponding to a number of teeth represented as M teeth), so that M rotations of the upper shell portion relative to the inner shell portion causes the indication element to move two strokes in the axial direction of the threaded rod, thereby allowing the number of atomizations of the atomization and administration device to reach M / 2 times the total amount of strokes. Thus, the service life of the atomization and administration device can be doubled by increasing the number of teeth of the transmission gear, and the pre-set amount of fluid in the container can be adapted without changing other structures.

[0081] The following is an example of a one-rotation movement corresponding to a 180° rotation movement, with the transmission gear configured with five teeth. The working principle of the indicator and the instructions for prolonging the service life of the embodiment in which the driving part is configured with two sets of double-tooth pieces arranged opposite each other are described. For ease of description and illustration, the two sets of double-tooth pieces are referred to as the first set of double-tooth pieces and the second set of double-tooth pieces, and subsequent descriptions of the first set of double-tooth pieces and the second set of double-tooth pieces are omitted.

[0082] In this embodiment, when the first rotation occurs, i.e., when the upper shell part 21 rotates 180° relative to the inner shell part 22, the two teeth included in the first set of double-tooth pieces can be engaged with the two teeth on the transmission gear, in other words, one of the teeth of the first set of double-tooth pieces will contact and push the tooth of the transmission gear during the rotation of the upper shell part 21, thereby causing the threaded rod to rotate 72° in the direction of rotation, and then the other tooth of the first set of double-tooth pieces will contact and push the next tooth of the transmission gear during the rotation of the upper shell part 21, thereby causing the threaded rod to continue to rotate 72° in the direction of rotation. That is, when the first set of double-tooth pieces passes through the transmission gear, the transmission gear rotates 144° in the direction of rotation, which can cause the indicator element to move 2 / 5 of one stroke on the threaded rod. When the second rotation occurs, i.e., when the upper shell part 21 continues to rotate 180° relative to the inner shell part 22, the second set of double-tooth pieces will pass through the transmission gear, and in this process, the second set of double-tooth pieces will be engaged with the two teeth on the transmission gear, causing the threaded rod to rotate 144° in the direction of rotation again, which can cause the indicator element to continue to move 2 / 5 of one stroke on the threaded rod. This cycle continues until the upper shell part 21 performs five (M = 5) rotation movements, which can cause the indicator element to move two strokes in the axial direction.

[0083] In other words, in this embodiment, the indicator element can move twice for each atomization or each rotation, and the movement amount of each movement is 2 / 5 of one stroke, i.e., in this embodiment, five atomizations are required, and the indicator element can move two strokes. For example, if the total stroke amount is configured to be 30 strokes, i.e., the threaded rod can allow the indicator element to move 75 times, thereby allowing the atomization device to provide 75 atomization times, and if two atomizations correspond to one dose, the pre-set dose contained in the container 1 can be increased to 37.5 doses.

[0084] In an embodiment, under the idea that the driving part is configured with two sets of double-tooth pieces arranged opposite each other, the service life of the atomization device can be further improved by increasing the total stroke amount, for example, the total stroke amount can be configured to be 40, 50, 60, etc.

[0085] In an embodiment, the threaded length of the threaded rod can be increased to increase the number of threads, i.e. to provide more total thread pitch.

[0086] In an embodiment, the threaded length of the threaded rod is configured to a certain value (e.g. a certain value is desired to fit the overall length of the nebulization device and the user experience), and the total stroke amount is associated with the thread density of the threaded rod, so that the number of nebulization times that can be provided by the nebulization device can be increased by increasing the thread density. For example, in the example where the threaded length is the certain value, the total stroke amount can be changed by changing the value of the thread density, e.g. the value of the thread density is configured to be able to configure the total stroke amount to be any value in the range of 30 to 60, e.g. to be configured to be 30, 35, 40, 45, 50, 55, or 60, etc.

[0087] In an embodiment, the indicating element 32 can be used to indicate the use of the nebulization device. Referring to FIG. 11, an example of the structure of the indicating element in an embodiment of the present application is shown. As shown in FIG. 11, the indicating element 32 includes an indicating portion 321, and in particular, the use of the nebulization device can be indicated by the indicating portion 321 on the indicating element 32. In an example, the indicating portion 321 has an internal thread, which can cooperate with the thread on the threaded rod 31 to achieve the axial movement of the indicating element 32 on the threaded rod 31.

[0088] In an embodiment, as shown in FIG. 11, the outer wall of the inner housing portion 22 is configured with scale markings 323 distributed in the axial direction of the threaded rod 31, and the indicating element 32 cooperates with the scale markings 323 to indicate the use. In some examples, the scale markings 323 can be configured as any one or any combination of numbers, lines, or colors. For example, the scale markings 323 can be configured as a combination of lines and numbers, and as the number of uses of the nebulization device increases, the indicating element 32 can move axially upward, and in the process of moving, it changes the position it points to, which can correspond to a certain line interval or a certain line, which can be used to indicate the number of uses of the nebulization device, or the use or remaining dose of the fluid in the container, or the number of days of use remaining of the nebulization device, but not limited thereto. It should be understood that the scale markings 323 do not necessarily or necessarily have to be particularly accurate, i.e. the indicating portion 321 on the indicating element only needs to point to a certain approximate line interval or number area to prompt the user of the use of the nebulization device.

[0089] In an embodiment, the scale mark 323 is further provided with a warning mark for prompting the user when the nebulization device has been used for a preset number of times. The preset number of times refers to a pre-set limit of the number of uses, for example, when the number of nebulizations of the nebulization device has reached or is close to the preset number of times, the warning mark indicates that the nebulization device is about to reach its service life, prompting the user to prepare for a return visit or to open a new prescription in advance so as to be able to replace the nebulization device in time. For example, when the service life of the nebulization device is configured to be 240 nebulizations, the preset number of times can be set to 226, that is, when the user has used the nebulization device for 226 times (with 14 nebulizations remaining, the user can continue to use for seven days), the warning mark prompts the user that the number of nebulizations is about to be exhausted. In an example, the warning mark can be configured as a color mark, such as red or yellow. In this example, a region on the scale mark 323 corresponding to the number of nebulizations from the preset number of times to the last nebulization can be configured as red, so that when the indicating element 32 reaches the red region, the user can immediately notice that the nebulization device is close to the service life. Of course, the warning mark can also be configured in any other form as long as it can prompt the user, and the present application does not make any limitation in this regard.

[0090] In an embodiment, the indicating element 32 can further include a push rod 322, which can be configured on the indicating part 321. The push rod 322 is used to trigger the locking between the upper housing part 21 and the inner housing part 22 when the indicating part 321 moves to the end point. The position of the indicating part 321 when it moves to the end point refers to the position of the indicating element 32 when the nebulization device performs the last nebulization or when it generates relative rotation again after completing the last nebulization. Specifically, when the nebulization device has not been used, the indicating element 32 is located at the lower end of the threaded rod 31, and as the number of uses increases, the indicating element 32 continuously rises on the threaded rod 31, and when the last nebulization is performed, the indicating element 32 can move to the upper end of the threaded rod 31, thereby allowing the push rod 322 to extend between the upper housing part 21 and the inner housing part 22 to trigger the locking therebetween. In some examples, the push rod 322 and the indicating part 321 can be integrally formed or connected in a fixed connection manner, including but not limited to welding, bonding, and mortise and tenon connection, etc.

[0091] In an embodiment, a locking element is arranged between the upper housing part 21 and the inner housing part 22, and the push rod 322 triggers the locking between the upper housing part 21 and the inner housing part 22 by triggering the locking element. The locking element is configured to block the relative rotational movement between the upper housing part 21 and the inner housing part 22 when triggered, thereby preventing the user from continuing to use the nebulization administration device when the number of nebulization times is exhausted. In an example, the locking element can be configured to include a first recess, a second recess, and a spring piece, the first recess can be arranged on or formed on the outer wall of the inner housing part 22, the second recess can be arranged on or formed on the inner wall of the upper housing part 21, and the spring piece is located in the first recess. When the number of nebulization times of the nebulization administration device is in a state of being about to be exhausted, the first recess and the second recess have not yet been opposite to each other. At this time, the push rod 322 moves in the direction towards the spring piece and is about to reach the position of contacting the spring piece. As the number of nebulization times is exhausted, the push rod 322 touches the lower end of the spring piece and makes the other end of the spring piece pop into the second recess, so that the spring piece is located in the first recess and the second recess. At this time, the locking element plays a locking role, and only when a force sufficient to damage the nebulization administration device is applied on the inner housing part 22 and the upper housing part 21, the relative rotation between the two can occur.

[0092] Specifically, as the number of nebulization times is exhausted, once the inner housing part 22 rotates relative to the upper housing part 21 again, the first recess and the second recess can be opposite to each other, the push rod 322 touches the lower end of the spring piece and makes the other end of the spring piece pop into the second recess, so that the spring piece is located in the first recess and the second recess. At this time, the locking element plays a locking role, and only when a force sufficient to damage the nebulization administration device is applied on the inner housing part 22 and the upper housing part 21, the relative rotation between the two can occur.

[0093] In an embodiment, please refer to FIG. 1 and FIG. 2, the nebulization administration device further includes a transparent lower housing 23, which is combined with the housing 2, so that the indication provided by the indication element 32 can be observed by the user through the transparent lower housing 23. Specifically, as shown in FIG. 1, the transparent lower housing 23 can be detachably connected to the inner housing part 22 through the buckles 231 arranged on both sides of the inner housing part 22. In some examples, the transparent lower housing 23 can be configured of polycarbonate, acrylic or other materials with good optical performance and scratch resistance, so that the user can observe the scale mark or the warning mark without opening the nebulization administration device, and at the same time, the high transparency can be maintained after long-term use, avoiding the decrease of the user's observability due to the decrease of the transparency. It should be noted that the transparent lower housing 23 not only facilitates the user's observation, but also protects the internal components of the nebulization administration device from mechanical damage or pollution caused by external pollutants. Further, the inner wall at the bottom of the transparent lower housing 23 can be provided with a piercing element, which can pierce the bottom of the container 1 in the foregoing embodiment, so that air enters, thereby ensuring that the aforementioned collapsed bag can be compressed during the nebulization process.

[0094] In summary, to overcome the technical problems in the prior art that the service life of the atomization administration device is short and the use cost of the user is high, the atomization administration device provided in the present application is provided. By setting the relatively rotatable upper shell part and inner shell part on the atomization administration device, the inner shell part can realize one atomization of the atomization administration device when completing one rotation relative to the upper shell part. By setting the threaded rod rotatably supported on the inner shell part and the indicating element capable of cooperating with the threaded rod on the indicator of the atomization administration device, and by driving the transmission gear on the threaded rod to rotate through the driving part on the upper shell part, the axial movement of the indicating element on the threaded rod is realized, and the counting of the atomization times of the atomization administration device is realized. By configuring the transmission gear as P teeth and configuring the driving part as at most two single-tooth pieces arranged opposite to each other, the P or 2P rotation movements of the upper shell part relative to the inner shell part promote the axial movement of the indicating element on the threaded rod by one stroke, so that the atomization times of the atomization administration device can reach P or 2P times of the total stroke amount. In this way, the service life of the atomization administration device can be multiplied by reducing the number of single teeth of the driving part, and the service life of the atomization administration device can be further increased by a higher multiple by changing the number of teeth of the transmission gear or the total stroke amount of the threaded rod, so that the pre-set dose of fluid in the container can be adapted without affecting other structures of the administration device, and the purpose of reducing the use cost of the user is achieved.

[0095] The above embodiments only exemplarily illustrate the principles and effects of the present application, and are not used to limit the present application. Any person skilled in the art can modify or change the above embodiments without departing from the spirit and scope of the present application. Therefore, all equivalent modifications or changes completed by those skilled in the art without departing from the spirit and technical idea disclosed in the present application should be covered by the claims of the present application.

Claims

1. An atomising dosing device, characterised in that Comprising: a container containing a fluid; a housing receiving the container, comprising an inner housing part and an upper housing part rotatable relative to the inner housing part, the fluid in the container being extracted for one nebulization when the upper housing part completes one rotation relative to the inner housing part; an indicator comprising a threaded rod rotatably supported on the inner housing part and an indicating element indicating the number of nebulizations by the position in the axial direction of the threaded rod, the threaded rod comprising a transmission gear, the upper housing part being provided with a driving part which drives the threaded rod to rotate to cause the indicating element to move in the axial direction when the driving part follows the upper housing part to rotate relative to the inner housing part through the transmission gear; wherein the transmission gear comprises P teeth, the P teeth being provided as at least three teeth, the driving part being provided as at most two single-tooth members arranged opposite to each other such that P times or 2P times of rotation movement causes the indicating element to move in the axial direction of the threaded rod for one stroke, to allow the number of nebulizations of the nebulization administration device to reach P times or 2P times of the total amount of strokes provided in the axial direction of the threaded rod.

2. The nebulizer device of claim 1, wherein The amount of the fluid extracted when the one rotation is completed is a half dose.

3. The nebulizer device of claim 1, wherein The transmission gear is provided as comprising four teeth.

4. The nebulizer device of claim 1, wherein The single-tooth member is provided as one, and the total amount of strokes is provided as 30 strokes, and the number of nebulizations of the nebulization administration device reaches 240 times.

5. The nebulizer device of claim 1, wherein, The single-tooth member is provided as two, and the total amount of strokes is provided as 30 strokes, and the number of nebulizations of the nebulization administration device reaches 120 times.

6. The nebulizer device of claim 1, wherein The length of the thread of the threaded rod is provided as a certain value, and the total amount of strokes is related to the thread density of the threaded rod to increase the number of nebulizations that can be provided by the nebulization administration device by increasing the thread density.

7. The nebulizer device of claim 6, wherein The thread density is provided in a range of values such that the total amount of strokes is provided as any value in the range of 30 to 60.

8. The nebulizer device of claim 1, wherein, The single-tooth member is provided as an inner protrusion formed on the inner wall of the upper housing part.

9. The nebulizer device of claim 1, wherein, The upper housing part is provided as a near runway structure, and the single-tooth member is provided near the joint of a straight track and a curved track.

10. The nebulizer device of claim 1, wherein, The indicating element comprises an indicating part and a push rod provided on the indicating part, the push rod being used to trigger the locking between the upper housing part and the inner housing part when the indicating part moves to the end point.

11. The nebulizer device of claim 1, wherein A scale mark is provided on the outer wall of the inner housing part and distributed in the axial direction of the threaded rod, and the indicating element cooperates with the scale mark to indicate the use.

12. The nebulizer device of claim 11, wherein, A warning mark is further provided on the scale mark to prompt the user when the nebulization administration device is used for a preset number of times.

13. The nebulizer device of claim 11, wherein, Further comprising a transparent lower housing combined with the housing such that the indication provided by the indicating element is observed by the user through the transparent lower housing.

14. An aerosol dispensing device characterized by, Comprising: a container containing a fluid; a housing receiving the container, comprising an inner housing part and an upper housing part rotatable relative to the inner housing part, the fluid in the container being extracted for one nebulization when the upper housing part completes one rotation relative to the inner housing part; an indicator comprising a threaded rod rotatably supported on the inner housing part and an indicating element indicating the number of nebulizations by the position in the axial direction of the threaded rod, the threaded rod comprising a transmission gear, the upper housing part being provided with a driving part which drives the threaded rod to rotate to cause the indicating element to move in the axial direction when the driving part follows the upper housing part to rotate relative to the inner housing part through the transmission gear; wherein the transmission gear comprises P teeth, the P teeth being provided as at least three teeth, the driving part being provided as at most two single-tooth members arranged opposite to each other such that P times or 2P times of rotation movement causes the indicating element to move in the axial direction of the threaded rod for one stroke, to allow the number of nebulizations of the nebulization administration device to reach P times or 2P times of the total amount of strokes provided in the axial direction of the threaded rod. The indicator comprises a screw rod rotatably supported on the inner housing part and an indicating element indicating the number of atomization by the axial position of the screw rod, the screw rod comprising a transmission gear, the upper housing part being provided with a driving part, the driving part driving the screw rod to rotate to move the indicating element axially when the upper housing part rotates relative to the inner housing part through the transmission gear; wherein, The transmission gear comprises P teeth, the P teeth being configured as at least three teeth, the driving part being configured as three single teeth to make 2P rotation movements to move the indicating element axially by three strokes, so as to allow the number of atomization of the atomization and administration device to reach 2P / 3 times of the total axial stroke provided by the screw rod.

15. An aerosol dispensing device characterized by, The atomization and administration device comprises: a container containing fluid; a housing receiving the container, comprising an inner housing part and an upper housing part rotatable relative to the inner housing part, the fluid in the container being extracted for one atomization when the upper housing part completes one rotation relative to the inner housing part; an indicator comprising a screw rod rotatably supported on the inner housing part and an indicating element indicating the number of atomization by the axial position of the screw rod, the screw rod comprising a transmission gear, the upper housing part being provided with a driving part, the driving part driving the screw rod to rotate to move the indicating element axially when the upper housing part rotates relative to the inner housing part through the transmission gear; wherein, The transmission gear comprises M teeth, the M teeth being configured as at least five teeth, the driving part being configured as two sets of double teeth arranged opposite to each other to make M rotation movements to move the indicating element axially by two strokes, so as to allow the number of atomization of the atomization and administration device to reach M / 2 times of the total axial stroke provided by the screw rod.

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