Portable medicament inhalation device

Abstract

The invention relates to the technical field of inhalation type medicament auxiliary devices, in particular to a portable medicament inhalation device. The shell is used for containing a gas cylinder, and the cap is matched with the shell; the shell is L-shaped, one end of the shell is a suction nozzle, and the other end of the shell is used for accommodating a gas cylinder; the top of the gas cylinder leaks out of the top of the shell; the cap is matched with the suction nozzle of the shell and is used for sealing the suction nozzle; an openable turning plate is arranged on the cover cap and used for opening the cover cap in a closed state in an emergency state, and a patient can take medicine conveniently without taking down the cover cap; after the gas bottle is pressed, liquid medicine is sprayed out from the suction nozzle, and a patient sucks the medicine from the suction nozzle or the cap in an open state. The openable turning plate structure is arranged at the front end of the cap, on the premise that the cap body does not need to be removed, the turning plate is opened, an air channel structure communicated with the suction nozzle can be formed, medicine can be released by pressing the air bottle, and a patient can inhale the medicine conveniently so as to relieve the asthma symptom.

Description

Technical Field

[0001] The present invention relates to the technical field of inhalation-type medicine auxiliary devices, and in particular to a portable medicine inhalation device. Background Art

[0002] Bronchial asthma, or asthma for short, is a common chronic inflammatory airway disease characterized by recurrent wheezing, shortness of breath, chest tightness or coughing, which often occur or worsen at night or in the early morning. The onset of asthma is related to genetic and environmental factors, among which genetic factors mainly determine the patient's susceptible constitution, while environmental factors such as various allergens, air quality, smoking, exercise, etc. are specific triggering factors. Common types of bronchial asthma include exercise-induced, drug-induced, occupational, and allergic.

[0003] There is currently no complete cure for asthma, but medication can be used to control the condition and improve the quality of life. Asthma treatment drugs are mainly administered through inhalation devices to directly act on the airways and reduce systemic side effects. Common devices used to treat asthma include pressurized metered dose inhalers (pMDIs); the device includes a plastic shell, a cap, and a gas cylinder. It uses a press brake to quantitatively spray drug particles. It is easy to use, easy to carry, and has a low price and a wide range of applications. When using it, you need to first remove the cap at the mouthpiece, then hold the inhaler mouthpiece tightly in your mouth, hold your breath, press the tail of the gas cylinder with your index finger, and press the shell of the inhaler with your thumb, and press hard to release the drug. This structure is more convenient in daily use, and the cap is usually tightly connected to the nozzle to protect its cleanliness. As a result, when the patient suffers from an asthma attack and has symptoms such as severe wheezing, it is very difficult for the patient to remove the cap on his own and the nozzle leaks out. In addition, the contact area between the end of the gas cylinder and the index finger is small, and it is difficult for the patient to accurately press the gas cylinder to release the medicine when an asthma attack occurs. Summary of the invention

[0004] The purpose of the present invention is to address the problems existing in the background technology and to propose a portable medicine inhalation device. Through the innovative flip-top design, in emergency situations, the released medicine can be normally inhaled without removing the cap; it is safer.

[0005] The technical solution of the present invention is a portable medicine inhalation device, comprising a shell for accommodating a gas cylinder, and a cap matched with the shell;

[0006] The housing is arranged in an "L" shape, with a nozzle at one end and a gas cylinder at the other end; the top of the gas cylinder leaks out from the top of the housing;

[0007] The cap is installed in cooperation with the nozzle of the housing to close the nozzle; an openable flap is provided on the cap to open the cap in an emergency state, so as to facilitate the patient to take medicine without removing the cap;

[0008] After pressing the gas cylinder, the medicine liquid is sprayed out from the mouthpiece, and the patient inhales the medicine from the mouthpiece or from the cap in the open state.

[0009] Preferably, the cap comprises a clamping portion connected to the nozzle, a connecting portion in the middle, and an annular supporting portion arranged at one end away from the clamping portion; after the cap is assembled with the nozzle, the clamping portion abuts against the hard shell extending from the nozzle; and the connecting portion remains suspended;

[0010] The flap is installed along the inner side wall of the annular support portion; a clamping piece for fixing the flap is arranged along the inner side of the annular support portion; after the clamping piece is clamped with the flap, the flap is limited to keep it in a closed state.

[0011] Preferably, the flap is composed of two split thin plates, with rotating shafts arranged on both sides of the thin plates for maintaining a rotational connection with the annular support portion; a slot is reserved on the back of the thin plate for cooperating with the clip-on component for installation.

[0012] Preferably, the clamping part is a hard plastic shell; the connecting part is a flexible rubber part; the outer side of the annular support part is a hard plastic shell, and the inner side is a flexible rubber part made of the same material as the connecting part;

[0013] The side of the flexible rubber piece facing the opening of the annular support portion is arranged in an inwardly concave shape; the concave portion cooperates with the flap to form an adsorption structure for auxiliary fixation.

[0014] Preferably, the flexible rubber member is fixedly connected to the housing of the annular support portion at a side facing the recessed portion, and is in contact with the housing at a side away from the recessed portion.

[0015] Preferably, by biting the connecting part, the connecting part drives the recessed part and the clamping part fixed on the recessed part to move through the flexible rubber part, and at the same time the shell of the annular support part is deformed, the flap is separated from the recessed part and the clamping part, and the flap remains in the open state.

[0016] Preferably, a protrusion is provided on the inner side wall of the clamping portion, and the clamping portion is kept fastened when connected to the suction nozzle through the protrusion.

[0017] Preferably, it further comprises a pressing auxiliary device; one end of the pressing auxiliary device is provided with a first interface for assembling with the gas cylinder, and the other end of the pressing auxiliary device is provided with a second interface for assembling with the suction nozzle;

[0018] An extension portion is arranged between the first interface and the second interface; the extension portion extends toward both sides, and an upper surface of the extension portion is arranged in a wave shape for increasing a contact area.

[0019] Preferably, when the pressing auxiliary device is installed with the gas cylinder using the first interface, the wavy contact surface of the extension part faces upward; when the extension part is pressed downward by a finger, the gas cylinder sprays out the liquid medicine.

[0020] Preferably, when the pressing auxiliary device is installed with the suction nozzle using the second interface, the suction nozzle is sealed as a replacement for the cap.

[0021] Compared with the prior art, the present invention has the following beneficial technical effects:

[0022] The present invention provides an openable flap structure at the front end of the cap. Without removing the cap body, an airway structure connected to the nozzle can be formed by opening the flap. The drug can be released by pressing the gas cylinder, which is convenient for patients to inhale the drug to relieve asthma symptoms.

[0023] The present invention solves the common technical problems of difficulty in removing the cap of an asthma inhaler in an emergency, and the small pressing area, which makes it difficult to apply force. Through simple improvements to the cap, the airway is connected without removing the cap, which facilitates the release of medicine in an emergency and relieves the patient's symptoms. At the same time, the pressing auxiliary device has multiple combination states. When it is installed at the end of the gas cylinder, it is convenient to apply force to release the medicine. When it is installed at the mouthpiece and used as a cap, it ensures the airtightness of the mouthpiece. When it needs to be removed, the extension part is also convenient for applying force, making it more convenient to remove. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 This is a schematic diagram of the structure of a portable medicine inhalation device according to an embodiment of the present invention;

[0025] Figure 2 is a schematic diagram of the overall structure of the cap in an embodiment of the present invention;

[0026] Figure 3 It is a schematic diagram of the structure of the cover cap in the open state of the flap in the embodiment of the present invention;

[0027] Figure 4 Schematic diagram of the structure of the annular support portion of the cap in an embodiment of the present invention;

[0028] Figure 5 is a schematic diagram of the cross-sectional structure of a cap in an embodiment of the present invention;

[0029] Figure 6 Schematic diagram of the back structure of the flap of the cap in an embodiment of the present invention;

[0030] Figure 7 It is a schematic diagram of the assembly structure of the pressing auxiliary device and the gas cylinder in an embodiment of the present invention;

[0031] Figure 8It is a schematic diagram of the structure of the portable medicine inhalation device and the pressing auxiliary device in the unfolded state in an embodiment of the present invention;

[0032] Fig. 9 Schematic diagram of the structure of the pressing auxiliary device in the embodiment of the present invention when used as a cap.

[0033] Figure numerals: 1. pressing auxiliary device; 11. extension part; 12. second interface; 13. first interface; 2. gas cylinder; 3. shell; 31. nozzle; 4. cap; 41. snap-fit ​​part; 42. connecting part; 43. annular supporting part; 44. flap; 441. slot; 45. snap-fit ​​part; 46. protrusion; 47. recessed part. DETAILED DESCRIPTION

[0034] Example 1

[0035] like Figure 2-6 As shown, this embodiment provides an improved cap structure, by providing an openable flap 44 structure at the front end of the cap 4, without removing the cap body, by opening the flap 44, an airway structure connected to the mouthpiece 31 can be formed, and the drug can be released by pressing the gas cylinder 2, which is convenient for the patient to inhale the drug to relieve asthma symptoms. The structure of the cap 4 of this embodiment is as follows:

[0036] like Figure 2 As shown, the cap 4 includes a clamping portion 41 connected to the suction nozzle 31, a connecting portion 42 located in the middle, and an annular support portion 43 arranged at one end away from the clamping portion 41; after the cap 4 and the suction nozzle 31 are assembled, the clamping portion 41 abuts against the hard shell extending from the suction nozzle 31; the connecting portion 42 remains in a suspended state, and when biting the connecting portion 42, since the connecting portion 42 remains in a suspended state, it has a larger deformation space; the width of the connecting portion 42 is set to 0.8-1.5cm, and different widths are set according to different objects such as adults or children, so as to facilitate the patient to bite the connecting portion 42 accurately when taking medicine; the flap 44 is installed along the inner side wall of the annular support portion 43; a protrusion 46 is provided on the inner side wall of the clamping portion 41, and the clamping portion 41 remains fastened when connected to the suction nozzle 31 through the protrusion 46, so as to ensure the tight connection between the cap 4 and the suction nozzle 31; as shown in FIG. Figure 4 As shown, a clamping member 45 for fixing the flap 44 is provided along the inner side of the annular support portion 43 ; after the clamping member 45 is clamped with the flap 44 , the flap 44 is limited to keep it in a closed state.

[0037] In this embodiment, if Figure 3 As shown, the flap 44 is composed of two split thin plates, and the thin plates are designed to be split longitudinally; rotating shafts are set on both sides of the thin plates to maintain rotation connection with the annular support portion 43; Figure 6As shown, a slot 441 is reserved on the back of the thin plate for cooperating with the clamping member 45. The clamping portion 41 is a hard plastic shell; the connecting portion 42 is a flexible rubber member; the outer side of the annular support portion 43 is a hard plastic shell, and the inner side is a flexible rubber member of the same material as the connecting portion 42; Figure 5 As shown, the side of the flexible rubber piece facing the opening of the annular support portion 43 is set to be inwardly concave; the concave portion 47 cooperates with the flap 44 to form a suction structure similar to a suction cup for auxiliary fixation. The flexible rubber piece is fixedly connected to the shell of the annular support portion 43 on the side facing the concave portion 47, and is in contact with the side away from the concave portion 47.

[0038] In this embodiment, when the patient encounters an emergency and needs to take medicine, he bites the connecting portion 42, and the connecting portion 42 drives the recessed portion 47 and the clamping member 45 fixed on the recessed portion 47 to move through the flexible rubber member. At the same time, the shell of the annular supporting portion 43 is deformed, and the flap 44 is separated from the recessed portion 47 and the clamping member 45. Since the head needs to be tilted up when taking medicine, the flap 44 is in a state of being tilted up under the action of gravity. Figure 3 The flap 44 is kept in the open state as shown. During the drug release and the patient's spontaneous inhalation, the flap 44 is always kept in the open state; when the patient exhales, the teeth always bite the connecting portion 42, the recessed portion 47, and the shell of the annular supporting portion 43 are still deformed, so the flap 44 will not completely close the airway, and the airway is still kept in the connected state.

[0039] When the patient's symptoms are relieved, the connecting portion 42 can be loosened, and the corresponding recessed portion 47 and the shell of the annular support portion 43 are reset; at this time, the flap 44 is manually pushed, and the slot 441 behind the flap 44 abuts against the snap-in member 45. When the snap-in member 45 is fully inserted into the slot 441, the flap 44 and the annular support portion 43 remain in a closed state; the suction nozzle 31 is kept in a relatively closed state to meet hygiene requirements.

[0040] The present embodiment is provided with an openable cap structure, so that when used in emergency situations, there is no need to remove the cap, which is a cumbersome step. The medicine can be taken by directly pressing the gas cylinder with teeth, which greatly improves the speed of taking the medicine.

[0041] Example 2

[0042] like Fig. 9 As shown, this embodiment provides a pressing auxiliary device, which is installed as an independent accessory at the end of the gas cylinder 2 to increase the contact area between the end of the gas cylinder and the index finger, so as to facilitate accurate pressing by the patient in emergency situations such as illness and to facilitate drug storage. The structure of the pressing auxiliary device 1 is as follows:

[0043] The pressing auxiliary device 1 includes a first interface 13, a second interface 12 and an extension portion 11; the first interface 13 and the second interface 12 are not connected to each other;

[0044] One end of the pressing auxiliary device 1 is provided with a first interface 13 for assembling with the gas cylinder 2, and the other end is provided with a second interface 12 for assembling with the suction nozzle 31; an extension portion 11 is provided between the first interface 13 and the second interface 12; the extension portion 11 extends toward both sides, and the upper surface of the extension portion 11 is provided with a wave shape for increasing the contact area. When the pressing auxiliary device 1 is installed with the gas cylinder 2 using the first interface 13, the wave-shaped contact surface of the extension portion 11 faces upward; when the finger presses the extension portion 11 downward, the gas cylinder 2 sprays out the liquid medicine, and when the pressing auxiliary device 1 is installed with the suction nozzle 31 using the second interface 12, the suction nozzle 31 is closed as a replacement for the cap 4.

[0045] In this embodiment, a pressing auxiliary device 1 is added in the form of an additional accessory to increase the contact area between the index finger and the end of the gas cylinder, so as to facilitate accurate pressing of the gas cylinder during pressing and enable the gas cylinder to release medicine smoothly.

[0046] Example 3

[0047] This embodiment proposes a portable drug inhalation device, which uses the cap 4 structure described in Embodiment 1; the structure of the inhalation device is as follows:

[0048] The inhalation device includes a shell 3 for accommodating a gas cylinder 2 and a cap 4 matched with the shell 3; the shell 3 is arranged in an "L" shape, one end of which is a suction nozzle 31, and the other end is used to accommodate the gas cylinder 2; the top of the gas cylinder 2 leaks out from the top of the shell 3; the cap 4 is installed in cooperation with the suction nozzle 31 of the shell 3 to close the suction nozzle 31; an openable flap 44 is arranged on the cap 4 to open the closed cap 4 in an emergency state, so that the patient can take medicine conveniently without removing the cap 4; after pressing the gas cylinder 2, the medicine liquid is sprayed out from the suction nozzle 31, and the patient inhales the medicine from the suction nozzle 31 or from the cap 4 in the open state.

[0049] In this embodiment, when the patient encounters an emergency and needs to take medicine, he bites the connecting portion 42, and the connecting portion 42 drives the recessed portion 47 and the clamping member 45 fixed on the recessed portion 47 to move through the flexible rubber member. At the same time, the shell of the annular supporting portion 43 is deformed, and the flap 44 is separated from the recessed portion 47 and the clamping member 45. Since the head needs to be tilted up when taking medicine, the flap 44 is in a state of being tilted up under the action of gravity. Figure 3The flap 44 is kept in the open state as shown. During the drug release and the patient's spontaneous inhalation, the flap 44 is always kept in the open state; when the patient exhales, the teeth always bite the connecting portion 42, the recessed portion 47, and the shell of the annular supporting portion 43 are still deformed, so the flap 44 will not completely close the airway, and the airway is still kept in the connected state.

[0050] When the patient's symptoms are relieved, the connection part 42 can be loosened, and the corresponding recessed part 47 and the shell of the annular support part 43 are reset; at this time, the flap 44 is manually pushed, and the slot 441 behind the flap 44 abuts against the clamping part 45. When the clamping part 45 is completely inserted into the slot 441, the flap 44 and the annular support part 43 remain in a closed state; the suction nozzle 31 is kept in a relatively closed state to meet the hygiene requirements. At the same time, the cap 4 can also be manually removed from the suction nozzle 31, and the cap 4 and the suction nozzle 31 can be cleaned; after cleaning and drying, the cap 4 can be put back to the suction nozzle 31; the inner side wall of the clamping part 41 is provided with a protrusion 46, and the clamping part 41 is kept tight when connected to the suction nozzle 31 through the protrusion 46, so as to ensure the tight connection between the cap 4 and the suction nozzle 31.

[0051] Example 4

[0052] This embodiment proposes a portable medicine inhalation device, which uses the pressing auxiliary device 1 described in Example 2. The structure of the inhalation device is as follows:

[0053] The inhalation device comprises a housing 3 for accommodating the gas cylinder 2 and a cap 4 matched with the housing 3;

[0054] The outer shell 3 is arranged in an "L" shape, with a suction nozzle 31 at one end and the other end for accommodating the gas cylinder 2; the top of the gas cylinder 2 leaks out from the top of the outer shell 3; the cap 4 is installed in cooperation with the suction nozzle 31 of the outer shell 3, and is used to close the suction nozzle 31; an openable flap 44 is arranged on the cap 4, which is used to open the closed cap 4 in an emergency state, so that the patient can take medicine conveniently without removing the cap 4; after pressing the gas cylinder 2, the medicine liquid is sprayed out from the suction nozzle 31, and the patient inhales the medicine from the suction nozzle 31 or from the cap 4 in the open state. The pressing auxiliary device 1 includes a first interface 13, a second interface 12 and an extension part 11; the first interface 13 and the second interface 12 are not connected to each other;

[0055] One end of the pressing auxiliary device 1 is provided with a first interface 13 for assembling with the gas cylinder 2, and the other end is provided with a second interface 12 for assembling with the suction nozzle 31; an extension portion 11 is provided between the first interface 13 and the second interface 12; the extension portion 11 extends toward both sides, and the upper surface of the extension portion 11 is provided with a wave shape for increasing the contact area. When the pressing auxiliary device 1 is installed with the gas cylinder 2 using the first interface 13, the wave-shaped contact surface of the extension portion 11 faces upward; when the finger presses the extension portion 11 downward, the gas cylinder 2 sprays out the liquid medicine, and when the pressing auxiliary device 1 is installed with the suction nozzle 31 using the second interface 12, the suction nozzle 31 is closed as a replacement for the cap 4.

[0056] In this embodiment, the assembly structure of the pressing auxiliary device 1 and the inhalation device is as follows: Figure 7 As shown, compared with the traditional inhalation device, when pressing, it is necessary to use the index finger to press the tail of the gas cylinder tightly, and the thumb to press the shell of the inhaler tightly, and press hard to release the medicine; in this embodiment, the index finger and the middle finger are used to press the two ends of the extension part 11 respectively, and the thumb still presses the shell of the inhaler tightly; through this method, firstly, the contact area between the finger and the end of the gas cylinder 2 is increased, and three fingers are used to cooperate in the pressing action, which is easier to apply force; in addition, the setting of the pressing auxiliary device 1 makes the entire end of the gas cylinder be enlarged. In an emergency, when pressing the second interface 12 in the middle, the gas cylinder 2 can also be pushed to release the medicine.

[0057] Example 5

[0058] The portable drug inhalation device proposed in this embodiment uses the cap 4 structure described in Example 1 and the pressing auxiliary device 1 described in Example 2. The structure of the inhalation device is as follows:

[0059] The inhalation device comprises a housing 3 for accommodating a gas cylinder 2, a cap 4 matched with the housing 3, and a pressing auxiliary device 1;

[0060] The shell 3 is arranged in an "L" shape, with one end being a suction nozzle 31 and the other end being used to accommodate the gas cylinder 2; the top of the gas cylinder 2 leaks out from the top of the shell 3; the cap 4 is installed in cooperation with the suction nozzle 31 of the shell 3 to close the suction nozzle 31; an openable flap 44 is arranged on the cap 4 to open the closed cap 4 in an emergency state, so as to facilitate the patient to take medicine without removing the cap 4; after pressing the gas cylinder 2, the medicine liquid is sprayed out from the suction nozzle 31, and the patient inhales the medicine from the suction nozzle 31 or from the cap 4 in the open state.

[0061] In this embodiment, when the patient encounters an emergency and needs to take medicine, he bites the connecting portion 42, and the connecting portion 42 drives the recessed portion 47 and the clamping member 45 fixed on the recessed portion 47 to move through the flexible rubber member. At the same time, the shell of the annular supporting portion 43 is deformed, and the flap 44 is separated from the recessed portion 47 and the clamping member 45. Since the head needs to be tilted up when taking medicine, the flap 44 is in a state of being tilted up under the action of gravity. Figure 3 The flap 44 is kept in the open state as shown. During the drug release and the patient's spontaneous inhalation, the flap 44 is always kept in the open state; when the patient exhales, the teeth always bite the connecting portion 42, the recessed portion 47, and the shell of the annular supporting portion 43 are still deformed, so the flap 44 will not completely close the airway, and the airway is still kept in the connected state.

[0062] When the patient's symptoms are relieved, the connection part 42 can be loosened, and the corresponding recessed part 47 and the shell of the annular support part 43 are reset; at this time, the flap 44 is manually pushed, and the slot 441 behind the flap 44 abuts against the clamping part 45. When the clamping part 45 is completely inserted into the slot 441, the flap 44 and the annular support part 43 remain in a closed state; the suction nozzle 31 is kept in a relatively closed state to meet the hygiene requirements. At the same time, the cap 4 can also be manually removed from the suction nozzle 31, and the cap 4 and the suction nozzle 31 can be cleaned; after cleaning and drying, the cap 4 can be put back to the suction nozzle 31; the inner side wall of the clamping part 41 is provided with a protrusion 46, and the clamping part 41 is kept tight when connected to the suction nozzle 31 through the protrusion 46, so as to ensure the tight connection between the cap 4 and the suction nozzle 31.

[0063] The pressing auxiliary device 1 includes a first interface 13, a second interface 12 and an extension part 11; the first interface 13 and the second interface 12 are not connected to each other; one end of the pressing auxiliary device 1 is provided with the first interface 13 assembled with the gas cylinder 2, and the other end is provided with the second interface 12 assembled with the suction nozzle 31; the extension part 11 is provided between the first interface 13 and the second interface 12; the extension part 11 extends toward both sides, and the upper surface of the extension part 11 is provided with a wave shape for increasing the contact area. When the pressing auxiliary device 1 is installed with the gas cylinder 2 using the first interface 13, the wave-shaped contact surface of the extension part 11 faces upward; when the finger presses the extension part 11 downward, the gas cylinder 2 sprays out the liquid medicine outward, and when the pressing auxiliary device 1 is installed with the suction nozzle 31 using the second interface 12, the suction nozzle 31 is closed as a replacement for the cap 4.

[0064] In this embodiment, the structure of the inhalation device is as follows Figure 1As shown, the cap 4 is assembled at the suction nozzle 31; and the pressing auxiliary device 1 fixes the end of the gas cylinder 2 through the first interface 13; when the cap 4 is damaged or lost, the pressing auxiliary device 1 can be temporarily removed and connected to the suction nozzle 31 through the second interface 12; it is temporarily used as the cap 4 to protect the hygiene and cleanliness of the suction nozzle 31; when the pressing auxiliary device 1 needs to be removed for medication in an emergency, since the extensions 11 on both sides of the pressing auxiliary device 1 remain in a protruding state, it can also be pulled off more labor-savingly, separated from the inhalation device, and the suction nozzle 31 is exposed, which is convenient for medication. The pulled-off pressing auxiliary device 1 can be disconnected from the gas cylinder 2, and the end of the gas cylinder 2 can be directly pressed to release the medicine, or it can be connected to the gas cylinder 2 using the first interface 13, and the gas cylinder 2 can be released by pressing the pressing auxiliary device 1 downward; this operation depends on the user's emergency situation.

[0065] This embodiment solves the common technical problems of difficulty in removing the cap 4 in emergency situations of asthma inhalation devices, and the small pressing area and difficulty in applying force. Through simple improvements to the cap 4, the airway is connected without removing the cap 4, which facilitates the release of drugs in emergency situations and relieves the patient's symptoms; this embodiment is applicable to other aerosol drug inhalation devices and can be replaced on other similar medication devices to adapt to medication for more diseases.

[0066] The embodiments of the present invention are described in detail above with reference to the accompanying drawings, but the present invention is not limited thereto, and various changes can be made within the knowledge scope of technicians in the relevant technical field without departing from the purpose of the present invention.

Claims

1. A portable drug inhalation device, characterized in that: It comprises a shell (3) for accommodating a gas cylinder (2) and a cover cap (4) matched with the shell (3); The outer shell (3) is arranged in an "L" shape, one end of which is a suction nozzle (31), and the other end is used to accommodate the gas cylinder (2); the top of the gas cylinder (2) leaks out from the top of the outer shell (3); The cap (4) is mounted in cooperation with the suction nozzle (31) of the housing (3) and is used to seal the suction nozzle (31); an openable flap (44) is provided on the cap (4) and is used to open the cap (4) in an emergency state, so as to facilitate medication for the patient without removing the cap (4); After the gas cylinder (2) is pressed, the medicine liquid is sprayed out from the suction nozzle (31), and the patient inhales the medicine from the suction nozzle (31) or from the cover cap (4) in the opened state.

2. The portable drug inhalation device according to claim 1, characterized in that: The cap (4) comprises a clamping portion (41) connected to the suction nozzle (31), a connecting portion (42) located in the middle, and an annular supporting portion (43) arranged at one end away from the clamping portion (41); after the cap (4) and the suction nozzle (31) are assembled, the clamping portion (41) abuts against a hard shell extending from the suction nozzle (31); and the connecting portion (42) remains suspended; The flap (44) is installed along the inner side wall of the annular support portion (43); a clamping member (45) for fixing the flap (44) is arranged along the inner side of the annular support portion (43); after the clamping member (45) is clamped with the flap (44), the flap (44) is limited so as to maintain a closed state.

3. The portable drug inhalation device according to claim 2, characterized in that: The flap (44) is composed of two split thin plates, with rotating shafts arranged on both sides of the thin plates for maintaining a rotational connection with the annular support portion (43); a slot (441) for cooperating with the clamping member (45) is reserved on the back of the thin plate.

4. The portable drug inhalation device according to claim 2, characterized in that: The clamping portion (41) is a hard plastic shell; the connecting portion (42) is a flexible rubber member; the outer side of the annular supporting portion (43) is a hard plastic shell, and the inner side is a flexible rubber member made of the same material as the connecting portion (42); The side of the flexible rubber piece facing the opening of the annular support portion (43) is arranged in an inwardly concave shape; the concave portion (47) cooperates with the flap (44) to form an adsorption structure for auxiliary fixation.

5. The portable drug inhalation device according to claim 2 or 4, characterized in that: The flexible rubber piece is fixedly connected to the shell of the annular support portion (43) on one side facing the recessed portion (47), and is in contact with the shell on the other side away from the recessed portion (47).

6. The portable drug inhalation device according to claim 5, characterized in that: When the connecting portion (42) is bitten, the connecting portion (42) drives the recessed portion (47) and the clamping member (45) fixed on the recessed portion (47) to move through the flexible rubber member, and at the same time, the shell of the annular supporting portion (43) is deformed, the flap (44) is separated from the recessed portion (47) and the clamping member (45), and the flap (44) remains in an open state.

7. The portable drug inhalation device according to claim 4, characterized in that: A protrusion (46) is provided on the inner side wall of the clamping portion (41), and the clamping portion (41) is kept tightly connected to the suction nozzle (31) through the protrusion (46).

8. The portable drug inhalation device according to claim 1, characterized in that: It also includes a pressing auxiliary device (1); one end of the pressing auxiliary device (1) is provided with a first interface (13) for assembly with the gas cylinder (2), and the other end is provided with a second interface (12) for assembly with the suction nozzle (31); An expansion portion (11) is arranged between the first interface (13) and the second interface (12); the expansion portion (11) extends towards both sides, and the upper surface of the expansion portion (11) is arranged in a wave shape for increasing the contact area.

9. The portable drug inhalation device according to claim 8, characterized in that: When the pressing auxiliary device (1) is installed with the gas cylinder (2) using the first interface (13), the wavy contact surface of the extension part (11) faces upwards; when the extension part (11) is pressed downwards with a finger, the gas cylinder (2) sprays liquid medicine outwards.

10. The portable drug inhalation device according to claim 8, characterized in that: When the pressing auxiliary device (1) is installed with the suction nozzle (31) using the second interface (12), the suction nozzle (31) is sealed to serve as a replacement for the cover cap (4).

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