CN213994488U - Inhalation flow velocity detection device of dry powder inhaler - Google Patents
Inhalation flow velocity detection device of dry powder inhaler Download PDFInfo
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- CN213994488U CN213994488U CN202021595185.2U CN202021595185U CN213994488U CN 213994488 U CN213994488 U CN 213994488U CN 202021595185 U CN202021595185 U CN 202021595185U CN 213994488 U CN213994488 U CN 213994488U
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Abstract
The utility model relates to the technical field of medical equipment, specifically be a dry powder inhaler suction flow velocity detection device, including the current meter body, the current meter body is the column cylinder, it is regional to be equipped with rectangle and outstanding electron on the current meter body, be equipped with the touch-sensitive screen on the electron region, the one end of current meter body is equipped with current meter coupling joint, current meter coupling joint is through simulation suction nozzle coupling interface and simulation suction nozzle threaded connection, simulation suction nozzle front end is equipped with the suction nozzle structure, suction nozzle structure rear end is equipped with the baffle. The utility model discloses based on various mainstream suction device front end suction nozzle of simulation, through accurate survey user's actual suction velocity of flow to according to the survey result under the different device suction nozzles of connection and its corresponding minimum suction velocity, best suction velocity of flow etc. require, whether suggestion user's its current suction velocity of flow suits to choose for use this inhalant, thereby provides the reference for the selection of the dry powder inhalant of patient individuation.
Description
Technical Field
The utility model relates to the technical field of medical equipment, specifically a dry powder inhaler inspiration flow speed detection device.
Background
The dry powder inhalation device is a lung drug delivery device which mainly utilizes the respiratory airflow or a power device of a patient to transmit quantitative drug powder to the lung after aerosolizing, and has the advantages of simple use, convenient carrying, good patient compliance and wide clinical application.
The mainstream dry powder inhalation device in China comprises brand names of Dubao, admittance device, inhalation device, admittance device, Bisihaile and the like, a patient often needs to continuously adjust treatment medicines due to the change of the severity of the illness state, the pure measurement of the inhalation flow rate of a certain inhalation device is difficult to meet the actual clinical requirement, and the cost performance is low. Secondly, because of the optimization of the structure of the original various suction devices, the actual application and conversion process is relatively passive and difficult.
In addition, devices for measuring the inspiratory flow rate of a patient are also currently available on the market both at home and abroad, but they also have disadvantages in providing the patient with the option of a specific inhalation device. First, this type of device provides only one fixed type of mouthpiece, while the mouthpiece parts of the different inhalation devices mentioned above have differences in shape, size and dimensions, and in clinical practice, different mouthpieces can significantly affect the inspiratory flow rate of a patient, and the inspiratory flow rate measured by only one fixed mouthpiece cannot replace the actual situation when using various types of inhalation devices. Secondly, this type of flow rate of breathing in survey device principle is comparatively simple, and the scale mark in the patient drives the device through the pressure differential that produces when breathing in removes, corresponds corresponding flow rate of breathing in value promptly, needs the patient to read the result by oneself afterwards. However, the difference in the viewing angle during reading will cause a deviation in the result, which is a requirement for the user's operation level. In addition, when the device is moved to read the result after the completion of the level suction measurement, the scale may be moved to cause a deviation in the result.
In view of this, in order to solve the problems that the measurement result of the above inhalation flow rate measurement device cannot replace the actual application of various conventional mainstream inhalation devices, and the measurement result is complicated to read and has a deviation, the present application provides an inhalation flow rate detection device for a dry powder inhaler.
SUMMERY OF THE UTILITY MODEL
An object of the present invention is to provide a device for detecting the inspiratory flow rate of a dry powder inhaler to solve the above problems in the background art.
In order to achieve the above object, the utility model provides a following technical scheme:
the flow meter comprises a flow meter body, wherein the flow meter body is cylindrical, a rectangular and protruding electronic area is arranged on the flow meter body, a touch screen is arranged on the electronic area, a flow meter coupling joint is arranged at one end of the flow meter body and is in threaded connection with a simulation suction nozzle through a simulation suction nozzle coupling interface, a suction nozzle structure is arranged at the front end of the simulation suction nozzle, and a baffle is arranged at the rear end of the suction nozzle structure.
Furthermore, a flow velocity channel is arranged in the flow velocity meter body and close to the coupling joint of the flow velocity meter, and the flow velocity channel is a circular pipeline with uniform two ends and a sharp thinning structure in the middle.
Furthermore, a differential pressure sensor A is arranged on the outer wall of the narrow part of the flow velocity channel, and a differential pressure sensor B is arranged on the outer wall of the uniform part of the flow velocity channel.
Furthermore, a lithium battery, a single chip microcomputer and a wireless module are respectively arranged in the electronic area.
Furthermore, the lithium battery input is connected with the single chip microcomputer, the touch screen and the wireless module, and the single chip microcomputer is respectively connected with the differential pressure sensor A and the differential pressure sensor B.
Compared with the prior art, the beneficial effects of the utility model are that: the practical significance of the clinical application of the design is that for patients with chronic obstructive pulmonary disease and asthma, reference is provided for the selection of various dry powder inhalants and the evaluation of the currently used inhalants. The design can accurately evaluate the actual inspiration flow rate of a user; meanwhile, based on the simulation and restoration of the front-end suction nozzle part of various mainstream suction devices, the system in the electronic area can correctly record and display the suction flow rate of a user, is associated with the front-end corresponding suction nozzle and displays the suction flow rate through the touch screen according to the corresponding requirements of the lowest suction flow rate and the optimal suction flow rate.
The design has wide practical field. Firstly, for a patient who is firstly supposed to use the dry powder inhalant, whether the inhalation flow rate of the patient meets the minimum or optimal inhalation flow rate requirement of the current several mainstream inhalants can be evaluated by the device, and the establishment of a clinical individualized treatment scheme is met. Second, for patients who have used a certain inhalation, the method of use and effect can be evaluated by the device to identify if poor control of clinical symptoms is due to improper selection of the inhalation device.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a cross-sectional view of the overall structure of the present invention;
fig. 3 is a cross-sectional view of the electronics area of the present invention;
fig. 4 is a schematic circuit diagram of the present invention.
In the figure: 1. a flow meter body; 11. an electron region; 12. a flow meter coupling joint; 13. a flow velocity channel; 14. a differential pressure sensor A; 15. a differential pressure sensor B; 100. a lithium battery; 101. a single chip microcomputer; 102. A touch screen; 103. a wireless module; 2. simulating a suction nozzle; 21. a suction nozzle structure; 22. a baffle plate; 23. and simulating a suction nozzle coupling interface.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.
Referring to fig. 1-4, the present invention provides a technical solution:
including current meter body 1, current meter body 1 is the column cylinder shape, is equipped with rectangle and outstanding electron region 11 on the current meter body 1, is equipped with touch-sensitive screen 102 on the electron region 11, and the one end of current meter body 1 is equipped with current meter coupling joint 12, and current meter coupling joint 12 passes through simulation suction nozzle coupling interface 23 and simulation suction nozzle 2 threaded connection, and 2 front ends of simulation suction nozzle are equipped with suction nozzle structure 21, and suction nozzle structure 21 rear end is equipped with baffle 22.
Furthermore, the front end of the simulation suction nozzle 2 is provided with a plurality of suction nozzle structures 21, which basically comprises the simulation reduction of the front end suction nozzle part of various mainstream suction devices; the main suction nozzle structure 21 is in threaded connection with the subsequent flow meter coupling joint 12 through the simulation suction nozzle coupling interface 23, so that good sealing performance is ensured, and air leakage is avoided during air suction detection; the interface of the coupling joint 12 of the current meter is unique and fixed, and the universality is ensured.
A flow velocity channel 13 is arranged in the flow velocity meter body 1 and close to the coupling joint 12 of the flow velocity meter, and the flow velocity channel 13 is a circular pipeline with uniform two ends and a sharp thinning structure in the middle.
A differential pressure sensor a14 is provided on the outer wall of the narrow part of the flow velocity channel 13, and a differential pressure sensor B15 is provided on the outer wall of the uniform part of the flow velocity channel 13.
It should be noted that the flow rate monitoring here uses the principle of differential pressure detection. That is, when the same flow passes through a non-uniform section of pipe, the cross section, pressure and flow velocity are in bernoulli relationship. Therefore, a narrow flow passage 13 is designed here, and the differential pressure is measured by the differential pressure sensor a14 and the differential pressure sensor B15, and the flow rate can be measured because the cross section is known.
The electronic area 11 is also internally provided with a lithium battery 100, a singlechip 101 and a wireless module 103.
The input of the lithium battery 100 is connected with the singlechip 101, the touch screen 102 and the wireless module 103, and the input of the differential pressure sensor A14 and the input of the differential pressure sensor B15 are connected with the singlechip 101.
It should be further noted that the electronic area 11 can correctly record the flow rate by the pressure difference detection principle, display the inhalation flow rate of the user by the touch screen 102, associate the inhalation flow rate with the corresponding suction nozzle at the front end, and give a color reaction prompt on the display screen 102 according to the corresponding lowest inhalation flow rate and the optimal inhalation flow rate; the device is provided with a wireless module 103, the wireless module 103 can transmit flow rate data to electronic equipment such as a mobile phone or a computer provided with a receiving program, after data processing, the flow rate data can be displayed on a screen of the electronic equipment in a curve graph or column graph mode for a patient (doctor), so that the patient can know the inhalation rate of the patient in real time, meanwhile, the electronic equipment such as the mobile phone or the computer provided with the receiving program is provided, the received inhalation rate data of the patient can be compared with standard data in a database in a reference mode, reference is provided for selection of individualized dry powder inhalant of the patient, a data recording function is arranged on the device, cloud storage can be achieved, the device is suitable for long-term storage and retrieval, and valuable data can be used for clinical scientific research analysis and individualized customization treatment.
Furthermore, it should be noted that the single chip microcomputer 101 in the design adopts an STM32 development board; the touch screen 102 adopts a 0.96-inch TFT color SPI serial port liquid crystal screen display module; the differential pressure sensor B15 and the differential pressure sensor A14 are patch type pressure sensors; the adopted wireless module 103 is a PW02 Bluetooth module.
The above options are all the prior art, and the application of the prior art can be understood by general workers in the field; the present design does not involve further modifications of the electrical components and modifications of the methods of use described above and will not be described in detail herein.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only preferred examples of the present invention, and is not intended to limit the present invention, and that the present invention can have various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications all fall into the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (5)
1. An inhalation flow velocity detection device of a dry powder inhaler comprises a flow velocity meter body (1), and is characterized in that: the current meter is characterized in that the current meter body (1) is cylindrical, a rectangular and protruding electronic area (11) is arranged on the current meter body (1), a touch screen (102) is arranged on the electronic area (11), a current meter coupling joint (12) is arranged at one end of the current meter body (1), the current meter coupling joint (12) is in threaded connection with a simulation suction nozzle (2) through a simulation suction nozzle coupling interface (23), a suction nozzle structure (21) is arranged at the front end of the simulation suction nozzle (2), and a baffle (22) is arranged at the rear end of the suction nozzle structure (21).
2. The inhalation flow rate detection device of claim 1, wherein: a flow velocity channel (13) is arranged in the flow velocity meter body (1) close to the coupling joint (12) of the flow velocity meter, and the flow velocity channel (13) is a circular pipeline with uniform two ends and a sharp thinning structure in the middle.
3. The inhalation flow rate detection device of claim 2, wherein: and a differential pressure sensor A (14) is arranged on the outer wall of the narrow part of the flow velocity channel (13), and a differential pressure sensor B (15) is arranged on the outer wall of the uniform part of the flow velocity channel (13).
4. The inhalation flow rate detection device of claim 2, wherein: the electronic area (11) is also internally provided with a lithium battery (100), a singlechip (101) and a wireless module (103) respectively.
5. The inhalation flow rate detection device of claim 4, wherein: the input of the lithium battery (100) is connected with a single chip microcomputer (101), a touch screen (102) and a wireless module (103), and the single chip microcomputer (101) is respectively connected with a differential pressure sensor A (14) and a differential pressure sensor B (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021595185.2U CN213994488U (en) | 2020-08-04 | 2020-08-04 | Inhalation flow velocity detection device of dry powder inhaler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021595185.2U CN213994488U (en) | 2020-08-04 | 2020-08-04 | Inhalation flow velocity detection device of dry powder inhaler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213994488U true CN213994488U (en) | 2021-08-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202021595185.2U Active CN213994488U (en) | 2020-08-04 | 2020-08-04 | Inhalation flow velocity detection device of dry powder inhaler |
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| CN (1) | CN213994488U (en) |
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- 2020-08-04 CN CN202021595185.2U patent/CN213994488U/en active Active
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