CN209734684U

CN209734684U - Dry powder inhaler shell capable of detecting medicament-inhaling flow rate and dry powder inhaler

Info

Publication number: CN209734684U
Application number: CN201820874029.6U
Authority: CN
Inventors: 任建忠
Original assignee: Individual
Current assignee: Suzhou Shenbo Medical Technology Co ltd
Priority date: 2018-06-07
Filing date: 2018-06-07
Publication date: 2019-12-06
Anticipated expiration: 2028-06-07

Abstract

A dry powder inhaler housing for sensing inhalation flow rate, comprising: the inhaler shell body in the prior art is additionally provided with a containing cavity for installing an integrated circuit board, a pressure sensor is arranged on the circuit board to timely detect the inspiration flow rate of a patient and display the inspiration flow rate in a display device, so that the patient can timely adjust the inspiration flow rate according to information on the display device, and the addition of a position sensor, a direction sensor, a buzzer and an LED lamp further improves the detectable items of the dry powder inhaler shell and ensures that the patient can conveniently and timely adjust the use operation according to the detection result by the visibility of the patient to the detection items, thereby ensuring that the patient can correctly use the dry powder inhaler provided with the dry powder inhaler shell. The direct replacement of the housing of the dry powder inhaler enables the patient to use the dry powder inhaler correctly, which ensures that the amount of the medicine enough to cure or cure the disease is taken, and the generation of doctor-patient contradiction is greatly reduced.

Description

Dry powder inhaler shell capable of detecting medicament-inhaling flow rate and dry powder inhaler

Technical Field

The utility model relates to the technical field of medical equipment, specifically be a detectable inhales dry powder inhaler shell and dry powder inhaler of medicine velocity of flow.

Background

the dry powder inhaler is used as a lung drug delivery device, the medicine powder in the device is inhaled into the lung by means of deep breathing of a patient, in the inhalation process, effective medicine powder (API) and a carrier (mostly lactose) are driven by inhaled air flow, so that collision between particles or collision between the particles and the surface of the device is caused, the effective medicine powder and the carrier are separated, the particle diameter ratio of the carrier is larger, the carrier is deposited at the oropharynx part, and the effective medicine powder with the aerodynamic particle diameter smaller than 5um can reach the lung to play a role in treatment after being separated from the carrier. Although this mode of administration may greatly improve the local treatment of the patient, the device delivers a lower dose because each individual has a different inspiratory capacity and a different approach, and simply the device delivers a dose and the lung deposition rate that are greatly dependent on the inspiratory rate of the patient, and has a lower collision energy and a lower delivered dose and lung deposition rate at low flow rates.

The prior art dry powder inhaler is not provided with an element for monitoring the inspiration flow rate, the inspiration flow rate is completely sensed by a patient, although the prior art dry powder inhaler is taught by doctors during initial use and also has a training whistle for helping the patient to find the sense, but the prior art dry powder inhaler still depends on the subjective sense of the patient, and the flow rate and the time of each inspiration cannot be monitored. According to published reports, suitable inhalation flow rates for such devices are in the range of 30L/min to 90L/min, even though the difference between 30L/min and 90L/min is large, it is conceivable that the difference in delivered dose and lung deposition rate will greatly affect the therapeutic effect of the patient if the inhalation flow rate is outside this range. Secondly, the patient has no record of taking medicine, and the doctor cannot master the medicine taking condition of the patient. Furthermore, the patient's inhalation flow rate when using a dry powder inhaler can be too low resulting in poor therapeutic effect, which can lead to physician-patient conflict, where the patient considers the drug prescribed by the physician or the drug itself to be of poor therapeutic effect.

Disclosure of Invention

a dry powder inhaler housing for sensing inhalation flow rate, comprising: an irregular semi-elliptical inhaler shell body 1, at least one end face of the upper and lower end faces of the inhaler shell body 1 is provided with an accommodating cavity 11 of an integral structure, the upper end of the accommodating cavity 11 is sealed by a dustproof cover 2 with the same shape as the accommodating cavity 11, the dustproof cover 2 encloses the accommodating cavity 11 into an accommodating space with built-in electronic elements, a circuit board 3 is installed in the accommodating cavity 11, a battery fixing seat 31, a power supply 32 installed in the battery fixing seat 31, a pressure sensor 33, a circuit switch 34, a micro-control unit MCU35 (not shown in the figure) and a signal transceiver 36 (not shown in the figure) are integrally installed on the circuit board 3, wherein the integrally installed power consumption elements are electrically connected with the power supply 32, the circuit switch 34 is electrically connected with the power supply 32 and controls the on-off of the whole circuit on the circuit board, the pressure sensor 33 is electrically connected with the micro-control unit MCU35 and transmits a sensed pressure signal to the micro-control unit MCU35 for preliminary calculation or If the calculation is carried out, the micro control unit MCU35 is connected with the signal transceiver 36 to transmit data subjected to preliminary calculation or result calculation to the signal transceiver 36, the signal transceiver 36 is connected with an external display device to transmit the data to the external display device, the display device is used for displaying data information through numbers or voice, a storage unit and a data processing unit are arranged in the display device, the storage unit is used for recording the use condition of a patient on the dry powder inhaler, a doctor can master the medicament use amount of the patient according to the information recorded in the storage unit, and the data processing unit is used for carrying out final calculation screening processing on the received preliminary data;

it should be noted that the sensing end of the pressure sensor 33 should be located at the position of the air inlet passage of the dry powder inhaler to ensure that the air in the air inlet passage can enter the pressure sensor 33 so as to detect the inhalation flow rate by sensing the pressure change in the air inlet passage, and to avoid the critical part of the dry powder inhaler to avoid affecting the atomization function of the whole aerodynamic ensuring device of the dry powder inhaler device.

the inhaler housing body 1 can be selected from the housings of the prior art dry powder inhalers, and the pressure sensor 33 is an inhalation flow rate sensor.

through slightly modifying the housing of the dry powder inhaler in the prior art, after the circuit board 3 integrated with various elements in the sealed cavity 11 is added, a pressure sensor 33 can sense a compressed air signal at any time, and the compressed air signal is finally transmitted to display equipment for patients, patient guardians, doctors and other related personnel to see through a series of data conversion, so that the patients can timely adjust the size of the inspiration flow rate according to the data in the display equipment until the flow rate value is within a normal use range, wherein the calculation capacity of the micro control unit MCU35 is limited, the final result calculation can be directly realized aiming at some simple operations, the preliminary calculation can be carried out aiming at some complex operations, and the final result calculation needs to be completed by a processor in the display equipment. In addition, the guardian or doctor can remind or guide the patient to use the dry powder inhaler according to the numerical value display on the display device. Secondly, the circuit switch 34 can cut off the power of the circuit board on the inhaler casing in the non-use state, so as to achieve the purpose of energy-saving and environmental control.

Preferably, the signal transceiver 36 of the dry powder inhaler housing capable of detecting the flow rate of inhaled medicine is a bluetooth device with low power consumption, and the bluetooth device is connected with the display device through a radio frequency signal.

Preferably, the signal transceiver 36 of the dry powder inhaler housing capable of detecting the flow rate of inhaled medicine is a network communication transceiver or a wifi transceiver, and transmits a data signal to the display device.

Preferably, the signal transceiver 36 is a USB interface of the housing of the dry powder inhaler capable of detecting the flow rate of the inhaled medicine, and transmits the data signal to the display device in a wired manner.

Preferably, the housing of the dry powder inhaler capable of detecting the flow rate of inhaled medicine, the circuit board 3 is provided with a direction sensor electrically connected with the power supply 32, the direction sensor is connected with the micro control unit MCU35, the direction sensor can judge the angle of the patient when holding the dry powder inhaler by hand according to the self-induction and transmit the induced signal to the display device, the display device displays voice and digital signals according to the received data signal of the direction sensor, and the patient can adjust the holding posture in time according to the display signal on the display device to ensure the usability of the dry powder inhaler.

Preferably, the housing of the dry powder inhaler capable of detecting the inhalation flow rate further comprises a two-dimensional function coordinate curve generation module in the display device, wherein the abscissa axis X represents a time element when the user uses the dry powder inhaler, the ordinate axis Y represents the inhalation flow rate of the user, the display device presents the sensed inhalation flow rate and inhalation time of the user in the form of a two-dimensional coordinate curve, and the two-dimensional function coordinate graph has a standard curve of the inhalation flow rate, so that the user can directly adjust the inhalation flow rate according to the comparison between the curves at any time, and the user can train the inhalation flow rate conveniently.

preferably, the circuit board 3 of the dry powder inhaler housing capable of detecting the flow rate of inhaled medicine is provided with an LED lamp electrically connected with the power supply 32, the LED lamp is connected with the MCU35, and the LED lamp displays light with different colors according to the indication of the MCU 35. For example, in the case of correct inspiratory flow rate or hand-held angle, the LED lamp displays "green" to transmit "the current inspiratory flow rate can be maintained" or "information such as next operation can be performed" to the patient, which is suitable for the patient who is illiterate or has weak hearing.

Preferably, the circuit board 3 of the dry powder inhaler housing capable of detecting the flow rate of inhaled medicine is provided with a position sensor electrically connected with the power supply 32, the position sensor is connected with the micro control unit MCU35, and the position sensor is preferably a GPS locator. Through the setting of position sensor, guardian or doctor can look over old patient's position at any time, guarantees to find the patient as soon as possible under the condition that needs emergency rescue.

Preferably, the display device of the dry powder inhaler casing capable of detecting the inhalation flow rate is a mobile phone, a computer, or an iPad.

Preferably, the circuit board 3 of the housing of the dry powder inhaler capable of detecting the flow rate of inhaled medicine is provided with a buzzer electrically connected with the power supply 32, the buzzer is connected with the micro control unit MCU35, and the buzzer sends out different sounds according to the indication of the micro control unit MCU35 to convey the use condition of the dry powder inhaler to the user.

Preferably, the storage unit in the external display device of the dry powder inhaler housing capable of detecting the inhalation flow rate is connected with the cloud end of the hospital system, so that information of the user using the dry powder inhaler stored in the display device is transmitted to the cloud end in real time, and a doctor can conveniently master the medication condition of a patient in time.

A dry powder inhaler capable of detecting the flow rate of inhaled medicine comprises a dry powder inhaler body 4, wherein a main air inlet channel 41 communicated with a suction nozzle and a plurality of secondary air inlet channels 42 communicated with the main air inlet channel are arranged on the upper surface of the dry powder inhaler 4, a plurality of air inlet holes 43 communicated with the suction nozzle are arranged on the lower surface of the dry powder inhaler 4, and specifically, the dry powder inhaler body in the prior art can be referred to, wherein the outer side of the dry powder inhaler body 4 is respectively inserted into mounting holes 12 at the upper end and the lower end of an inhaler shell body 1 through two end parts of a central positioning pin 44 to mount the inhaler shell body 1 at the outer side of the dry powder inhaler body 4 (the prior art), and two gas sensing ends of a pressure sensor 33 in a containing cavity 11 are arranged on the upper end surface of the inhaler shell body 1 in a using state of the dry powder inhaler and comprise a first gas sensing end facing the secondary, A second gas sensing end facing the main gas inlet channel 41, so that the pressure sensor 33 can detect the air flow rate in the main gas inlet channel 41 or the pressure difference between the main gas inlet channel 41 and the secondary gas inlet channel 42, and the patient inspiration flow rate data can be obtained through the micro control unit MCU35 or the data processing unit in the display device. Moreover, the novel dry powder inhaler shell related in the patent can be directly replaced on the dry powder inhaler body 4 in the prior art, and the inhalation flow rate of a patient can be detected without replacing a new dry powder inhaler body.

Preferably, in the dry powder inhaler capable of detecting the flow rate of inhaled medicine, the air inlet end and the air outlet end of the pressure sensor 33 are both located in the secondary air inlet channel 42 and the primary air inlet channel 41 near one end of the dry powder inhaler near the mouthpiece. Because the gas in the plurality of secondary air inlet channels 42 is converged into the main air inlet channel 41 together, the air pressure in the secondary air inlet channels 42 is smaller, the air pressure in the main air inlet channel 41 is larger, and the position of the pressure sensor 33 close to one end of the suction nozzle can ensure that the pressure sensor 33 can more accurately reflect the flow velocity of the gas entering the inner cavity of the dry powder inhaler in the use state of the dry powder inhaler, and the whole aerodynamics of the device cannot be influenced.

preferably, in the dry powder inhaler capable of detecting the flow rate of inhaled medicine, the upper end surface and the lower end surface of the inhaler housing body 1 are both provided with a containing cavity 11 for placing an electronic element, wherein the containing cavity 11 positioned on the lower end surface of the inhaler housing body is provided with the same element as that in the containing cavity 11 positioned on the upper end surface, two air inlet induction ends of the pressure sensor 33 in the containing cavity 11 positioned on the lower end surface of the inhaler housing body 1 are positioned in the atmosphere near the air inlet hole 43, the second air inlet induction end is right opposite to any air inlet hole 43 on the lower surface of the inhaler body 4, and the first air inlet induction end is positioned in the atmosphere near the air inlet hole 43, so that the pressure difference between the outside atmosphere and the air inlet hole 43 is induced by the pressure sensor 33 positioned on the lower end surface of the inhaler housing body 1.

Preferably, the data processing unit in the display device of the dry powder inhaler capable of detecting the flow rate of inhaled medicine is provided with a data screening module for averaging the received sensing data of the plurality of pressure sensors 33.

In the use process of the dry powder inhaler, the sensing data of the pressure sensors 33 are often interfered by the surrounding environment, and in order to further improve the detection precision of the inspiration flow rate, the data of the plurality of pressure sensors 33 received by the data processing unit or the micro control unit MCU can be compared, averaged and corrected by the data screening module in the data processing unit in the display device, so that the data deviation caused by the external interference is reduced.

Description of the drawings:

The embodiments are further described with reference to the accompanying drawings, in which:

FIG. 1 is a schematic view of a housing of a dry powder inhaler for detecting the flow rate of inhaled medicine according to the present invention;

FIG. 2 is a schematic view of a housing of a dry powder inhaler for detecting the flow rate of inhaled medicine according to the present invention;

FIG. 3 is a schematic structural diagram of a housing of a dry powder inhaler (arrows indicate an inlet end and an outlet end of a pressure sensor) capable of detecting the flow rate of inhaled medicine according to the present invention;

FIG. 4 is a schematic diagram of a dry powder inhaler body structure capable of detecting the flow rate of inhaled medicine according to the present invention;

FIG. 5 is a schematic diagram of a dry powder inhaler for detecting the flow rate of inhaled medicine according to the present invention;

Number structure name:

The inhaler comprises an inhaler shell body 1, a containing cavity 11, a sealing cover 2, a circuit board 3, a battery fixing seat 31, a power supply 32, a pressure sensor 33, a circuit switch 34, a micro control unit MCU35, a signal transceiver 36, a dry powder inhaler body 4, a main air inlet channel 41, a secondary air inlet channel 42, an air inlet 43 and a center positioning pin 44;

Detailed Description

the following detailed description of the invention will be further described in conjunction with the above-identified drawings.

Specific embodiment example 1:

a dry powder inhaler housing for sensing inhalation flow rate, comprising: an irregular semi-elliptical inhaler shell body 1, a containing cavity 11 with an integral structure is arranged above the inhaler shell body 1, the upper end of the containing cavity 11 is sealed by a dustproof cover 2 with the same shape as the containing cavity 11, the dustproof cover 2 encloses the containing cavity 11 into a containing space with built-in electronic elements, a circuit board 3 is arranged in the containing cavity 11, a battery fixing seat 31, a power supply 32 arranged in the battery fixing seat 31, a pressure sensor 33, a circuit switch 34, a micro control unit MCU35 (not shown in the figure) and a signal transceiver 36 (not shown in the figure) are integrally arranged on the circuit board 3, wherein the integrally arranged power consumption elements are electrically connected with the power supply 32, the circuit switch 34 is electrically connected with the power supply 32 and controls the on-off of the whole circuit on the circuit board, the pressure sensor 33 is electrically connected with the micro control unit MCU35 and transmits the sensed pressure signal to the micro control unit MCU35 for preliminary calculation or result calculation, the micro control unit MCU35 is connected with the signal transceiver 36 to transmit data after preliminary calculation or result calculation to the signal transceiver 36, the signal transceiver 36 is connected with an external display device to transmit the data to the external display device, the display device is used for displaying data information through numbers or voice, a storage unit is arranged in the display device and used for recording the use condition of a patient on the dry powder inhaler, and a doctor can master the medicament use amount of the patient according to the information recorded in the storage unit;

it should be noted that the sensing end of the pressure sensor 33 should be disposed at the position of the air inlet passage of the dry powder inhaler to ensure that the air in the air inlet passage can enter the bypass passage inside the pressure sensor 33 so that the pressure sensor 33 can detect the magnitude of the inspiratory flow rate at any time by sensing the pressure change, and secondly avoid the critical position of the dry powder inhaler to avoid affecting the usability of the whole aerodynamic ensuring device of the dry powder inhaler device. The inhaler housing body 1 can be selected from the housings of the prior art dry powder inhalers, and the pressure sensor 33 is a flow rate sensor.

The signal transceiver 36 is a bluetooth device with low power consumption, and the bluetooth device is connected with the display device through a radio frequency signal;

Furthermore, the circuit board 3 is provided with a direction sensor electrically connected with the power supply 32, the direction sensor is connected with the MCU35, the direction sensor can judge the angle of a patient when the patient holds the dry powder inhaler by hands according to self induction and transmit the sensed signal to the display device, the display device displays voice and digital signals according to the received data signal of the direction sensor, and the patient can adjust the holding posture in time according to the display signal on the display device so as to ensure the use performance of the dry powder inhaler.

further, install the LED lamp and be connected with micro-control unit MCU35 with power 32 electric connection on the circuit board 3, the LED lamp shows different colours according to micro-control unit MCU 35's instruction. Optionally, in case the inspiratory flow rate or the handheld angle is correct, the display device displays "green" to transmit "the current inspiratory flow rate can be maintained" or "the next operation can be performed" to the patient, which is suitable for the patient with illicit or hearing impairment.

Further, the circuit board 3 is provided with a position sensor electrically connected with the power supply 32 and the position sensor is connected with the micro control unit MCU35, and the position sensor is preferably a GPS positioner.

Optionally, the external display device is a mobile phone, a computer, or an i Pad.

The utility model relates to a dry powder inhaler shell of detectable inhalation velocity of flow holds chamber 11 and holds integrated circuit board 3 in the chamber 11 through increasing the inhaler shell among the prior art, in time detect the patient through installation pressure sensor 33 on the circuit board and inhale the velocity of flow and show in display device, make the patient in time adjust the velocity of flow of inhaling according to the information on the display device, through position sensor, direction sensor, the setting of LED lamp has further improved the detectable project of dry powder inhaler shell and has guaranteed that the patient is convenient for the patient to the visuality of detecting the project and in time adjust the operation according to detecting the unblock, guarantee that the patient can correctly use the dry powder inhaler who installs this dry powder inhaler shell. On the other hand, correct use of the dry powder inhaler by the patient can ensure that the amount of the medicine which is enough to cure or cure the disease is taken, and the generation of doctor-patient contradiction is greatly reduced.

Specific embodiment example 2:

It should be noted that the sensing end of the pressure sensor 33 should be disposed at the position of the air inlet passage of the dry powder inhaler to ensure that the air in the air inlet passage can enter the bypass passage inside the pressure sensor 33 so that the pressure sensor 33 can detect the magnitude of the inspiratory flow rate at any time by sensing the pressure change, and secondly avoid the critical position of the dry powder inhaler to avoid affecting the usability of the whole aerodynamic ensuring device of the dry powder inhaler device.

the inhaler housing body 1 can be selected from the housings of the prior art dry powder inhalers, and the pressure sensor 33 is a flow rate sensor.

The signal transceiver 36 is a USB interface, and transmits the data signal to the display device in a wired manner.

Further, a buzzer electrically connected with the power supply 32 is installed on the circuit board 3 and connected with the micro control unit MCU35, and the buzzer sends out different sounds like user transmission information according to the received indication of the micro control unit MCU 35.

The utility model relates to a dry powder inhaler shell of detectable inhalation velocity of flow holds chamber 11 and holds integrated circuit board 3 in the chamber 11 through increasing the inhaler shell among the prior art, in time detect the patient through installation pressure sensor 33 on the circuit board and inhale the velocity of flow and show in display device, make the patient in time adjust the velocity of flow of inhaling according to the information on the display device, through position sensor, direction sensor, the setting of bee calling organ has further improved the detectable project of dry powder inhaler shell and has guaranteed that the patient is convenient for the patient to the visuality of detecting the project and in time adjust the operation according to detecting the unblock, guarantee that the patient can correctly use the dry powder inhaler who installs this dry powder inhaler shell. On the other hand, correct use of the dry powder inhaler by the patient can take a sufficient amount of medicine to cure or arrest the disease, greatly reducing the occurrence of doctor-patient contradictions. Specific embodiment example 3:

The signal transceiver 36 is a network communication transceiver and transmits data signals to the display device.

Optionally, the external display device is a mobile phone, a computer, or an iPad.

a dry powder inhaler which is provided with the dry powder inhaler shell and can detect the flow rate of inhalation drugs comprises a dry powder inhaler body 4, wherein a main air inlet channel 41 and a plurality of secondary air inlet channels 42 communicated with the main air inlet channel are processed on the upper surface of the dry powder inhaler 4, and the existing dry powder inhaler body in the prior art can be particularly referred, wherein the outer side of the dry powder inhaler body 4 is respectively inserted into the mounting holes 12 at the upper end and the lower end of the inhaler body 1 through two end parts of a central positioning pin 44 to mount the inhaler body 1 on the outer side of the dry powder inhaler body 4 (the prior art is adopted), and the sensing end of a pressure sensor 33 in the inhaler body 1 comprises a first gas sensing end facing the secondary air inlet channel 42 and a second gas sensing end facing the main air inlet channel 41 under the use state of the dry powder inhaler, so that the pressure sensor 33 can detect the flow rate in the main air inlet channel 41 or the flow rate in the main, The pressure difference between the two parts of the secondary air inlet channel 42 can be used for obtaining the inspiration flow rate data of the patient through the micro control unit MCU35 or a data processing unit in the display device. Moreover, the novel dry powder inhaler shell related in the patent can be directly replaced on the dry powder inhaler body 4 in the prior art, and the inhalation flow rate of a patient can be detected without replacing a new dry powder inhaler body.

The pressure sensor 33 comprises a strain gauge, a base body, an air inlet end and an air outlet end, wherein the strain gauge is adhered to the upper surface of the base body, the air inlet end and the air outlet end are column rods with central holes, a side branch channel for air to pass through is processed in the base body, the top ends of the air outlet end column rod and the air inlet end column rod are embedded in the base body, and the central holes of the air outlet end column rod and the air inlet end column rod are located at two ends of the side branch channel and communicated with the side branch channel.

Furthermore, the air inlet end cylinder and the air outlet end cylinder in the pressure sensor 33 are respectively positioned on the secondary air inlet channel 42 and the main air inlet channel 41 which are close to one end of the suction nozzle of the dry powder inhaler, when a patient mouth aims at the suction nozzle to perform air suction operation, air passes through the secondary air inlet channel 42, the air inlet end cylinder, the bypass channel in the base body, the air outlet end cylinder and the main air inlet channel 41 which are close to one end of the suction nozzle in sequence, and the accuracy of data detection of the pressure sensor 33 can be greatly improved through the bypass channel communicated with the air channel of the dry powder inhaler.

The utility model relates to a dry powder inhaler shell of detectable inhalation velocity of flow holds chamber 11 and holds integrated circuit board 3 in the chamber 11 through increasing the inhaler shell among the prior art, in time detect the patient through installation pressure sensor 33 on the circuit board and inhale the velocity of flow and show in display device, make the patient in time adjust the velocity of flow of inhaling according to the information on the display device, through position sensor, direction sensor's setting has further improved the detectable item of dry powder inhaler shell and has guaranteed that the patient is convenient for the patient in time to adjust the operation according to the detection unblock to the visuality of detecting the item, guarantee that the patient can correctly use the dry powder inhaler who installs this dry powder inhaler shell. The correct use of the dry powder inhaler by the patient can take the medicine in an amount enough to cure or cure the disease, thereby greatly reducing the generation of doctor-patient contradiction. On the other hand, the position of the pressure sensor relative to the air inlet channel in the dry powder inhaler body 4 can accurately reflect the real inhalation speed of the patient, well avoid the key part of the dry powder inhaler and cannot influence the normal air flow channel of the dry powder inhaler.

the above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims

1. A dry powder inhaler housing for sensing inhalation flow rate, comprising: the inhaler shell body of irregular semiellipse shape, its characterized in that: an accommodating cavity with an integrated structure is arranged above an inhaler shell body, the accommodating cavity is enclosed into an electronic element accommodating space through a dustproof cover, a circuit board is arranged in the accommodating cavity, a battery fixing seat, a power supply arranged in the battery fixing seat, a pressure sensor, a circuit switch, a micro control unit MCU and a signal transceiver are integrally arranged on the circuit board, wherein the integrally arranged power consumption elements are electrically connected with the power supply, the circuit switch is electrically connected with the power supply and controls the on-off of the whole circuit on the circuit board, the pressure sensor is electrically connected with the micro control unit MCU and transmits a sensed pressure signal to the micro control unit MCU for preliminary calculation or result calculation, the micro control unit MCU is connected with the signal transceiver and transmits data subjected to the preliminary calculation or the result calculation to the signal transceiver, and the signal transceiver is connected with an external display device and transmits the data to the external display device, the display device displays data information in the form of numbers and voice; the display device is provided with a storage unit and a data processing unit, the storage unit is used for recording the use condition of the patient on the dry powder inhaler, the doctor can master the medicament use amount of the patient according to the information recorded in the storage unit, and the data processing unit is used for carrying out final calculation screening processing on the received preliminary data;

the sensing end of the pressure sensor is arranged at the position of an air inlet passage of the dry powder inhaler so that air in the air inlet passage can enter the pressure sensor, wherein the display device is a mobile phone, a computer or an iPad.

2. The housing of a dry powder inhaler capable of detecting inhalation flow rate of claim 1, wherein: the signal transceiver is one or more of Bluetooth equipment with low power consumption, a USB interface, a data network communication transceiver and a wifi wireless transceiver.

3. The housing of a dry powder inhaler capable of detecting inhalation flow rate of claim 1, wherein: and the circuit board is provided with a position sensor or an LED lamp which is electrically connected with the power supply, wherein the position sensor and the LED lamp are connected with the micro control unit MCU.

4. The housing of a dry powder inhaler capable of detecting inhalation flow rate of claim 1, wherein: the display device also comprises a two-dimensional function coordinate curve generation module, wherein the abscissa axis X represents a time element when the user uses the dry powder inhaler, and the ordinate axis Y represents the inspiratory flow rate of the user.

5. The housing of a dry powder inhaler capable of detecting inhalation flow rate of claim 1, wherein: the circuit board is provided with a direction sensor electrically connected with the power supply, the direction sensor is connected with the micro control unit MCU, the direction sensor can judge the angle of a patient when the patient holds the dry powder inhaler according to self induction, and the sensed signal is transmitted to the display equipment.

6. The housing of a dry powder inhaler capable of detecting inhalation flow rate of claim 1, wherein: the circuit board is provided with a buzzer electrically connected with the power supply, the buzzer is connected with the micro control unit MCU, and the buzzer can make different sounds according to the indication of the micro control unit MCU so as to prompt a user.

7. A dry powder inhaler comprising a dry powder inhaler housing capable of detecting inhalation flow rate according to any one of claims 1 to 6, comprising: the dry powder inhaler comprises a dry powder inhaler body, wherein a main air inlet channel communicated with a suction nozzle and a plurality of secondary air inlet channels communicated with the main air inlet channel are arranged on the upper surface of the dry powder inhaler, a plurality of air inlet holes communicated with the suction nozzle are arranged on the lower surface of the dry powder inhaler, and the dry powder inhaler can refer to the existing dry powder inhaler body in the prior art The pressure difference between the two positions of the secondary air inlet channel obtains the inspiration flow rate data of the patient through a data processing unit in the MCU or the display equipment.

8. The dry powder inhaler for sensing the flow rate of an inhaled drug according to claim 7, wherein: the air inlet end and the air outlet end of the pressure sensor are both positioned in the secondary air inlet channel and the main air inlet channel which are close to one end of the suction nozzle of the dry powder inhaler.

9. The dry powder inhaler for sensing the flow rate of an inhaled medicament according to claim 8, wherein: the inhaler comprises an inhaler body, wherein the upper end surface and the lower end surface of the inhaler body are respectively provided with a containing cavity for containing an electronic element, the containing cavity positioned on the lower end surface of the inhaler body is provided with an element which is the same as that in the containing cavity positioned on the upper end surface, the lower end surface of the inhaler body contains two air inlet induction ends of a pressure sensor in the containing cavity, the inhaler comprises a second air inlet induction end which is right opposite to any air inlet hole on the lower surface of the inhaler body and a first air inlet induction end which is right opposite to atmosphere near the air inlet hole, and the pressure sensor on the lower end surface of the inhaler body induces the pressure difference between the outside atmospheric pressure and the air inlet hole so as to obtain final data through a data processing unit.

10. The dry powder inhaler for sensing inhalation flow rate of claim 9, wherein: the data processing unit in the display device is provided with a data screening module which is used for comparing, averaging and correcting the received sensing data of the plurality of pressure sensors.