CN112057709B - External air source driving atomization device - Google Patents
External air source driving atomization device Download PDFInfo
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- CN112057709B CN112057709B CN202010995238.8A CN202010995238A CN112057709B CN 112057709 B CN112057709 B CN 112057709B CN 202010995238 A CN202010995238 A CN 202010995238A CN 112057709 B CN112057709 B CN 112057709B
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- particle diameter
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M11/00—Sprayers or atomisers specially adapted for therapeutic purposes
- A61M11/001—Particle size control
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M2205/00—General characteristics of the apparatus
- A61M2205/33—Controlling, regulating or measuring
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M2205/00—General characteristics of the apparatus
- A61M2205/33—Controlling, regulating or measuring
- A61M2205/3331—Pressure; Flow
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M2205/00—General characteristics of the apparatus
- A61M2205/33—Controlling, regulating or measuring
- A61M2205/3331—Pressure; Flow
- A61M2205/3334—Measuring or controlling the flow rate
Abstract
The invention discloses an external air source driven atomization device, which comprises: external air supply, gas drive control module, the aerosol generator, particle diameter on-line measuring mechanism, particle diameter control feedback module, external air supply is used for atomizing generator transported gas, particle diameter on-line measuring mechanism is used for the particle diameter of the aerosol that produces in the real-time detection aerosol generator, and feed back to particle diameter control feedback module in real time, particle diameter control feedback module is used for according to the particle diameter of aerosol, control gas drive control module adjusts the gas delivery pressure and the flow of external air supply, so that the particle diameter of aerosol satisfies preset particle diameter threshold value. The particle size of the atomized aerosol in the atomizer can be controlled in real time through the gas drive control module, the particle size online detection mechanism and the particle size feedback module, so that the content of the atomized aerosol with the required particle size can be improved, the deposition rate of atomized medicine on the respiratory tract pathological change part is further improved, the use efficiency of the medicine is improved, and the waste of medical resources is reduced.
Description
Technical Field
The invention relates to the field of medical instruments, in particular to an external air source driven atomization device.
Background
Nebulizing devices are a common medical device for treating respiratory diseases. The atomization device can deliver atomized medicine to the diseased part of the respiratory tract in the form of aerosol so as to achieve the purposes of humidifying, relieving bronchospasm, eliminating edema of the airway, promoting the discharge of airway secretion and the like. Wherein different aerosol diameters may be deposited at different locations. Research shows that aerosol with the diameter of 5-20 mu m is mainly deposited to oral cavity, nose and upper respiratory tract; 2-5 μm deposits mainly in the small bronchus and bronchiole; aerosols smaller than 2 μm are mainly deposited into the alveoli. Therefore, under ideal conditions, the atomized medicines with different aerosol diameters need to be selected for different respiratory diseases, and the deposition of the atomized medicines on the lesion part is increased, so that the optimal treatment effect can be achieved.
However, the effective therapeutic dose of the existing atomization device to the atomized medicine only reaches 30% -40%, most of the atomized medicine can remain in the atomization device, and the waste of medical resources is caused.
Therefore, how to provide an atomization device capable of improving the utilization rate of atomized medicine is a technical problem which needs to be solved urgently by the technical personnel in the field.
Disclosure of Invention
The invention aims to provide an external air source driven atomization device which can effectively solve the problem of low utilization rate of atomized medicine.
In order to solve the technical problems, the invention provides the following technical scheme:
an externally connected air source driven atomization device, comprising: external air supply, gas drive control module, aerosol generator, particle diameter on-line measuring mechanism, particle diameter control feedback module, external air supply is used for atomizing generator conveying gas, particle diameter on-line measuring mechanism is used for real-time detection the particle diameter of the aerosol that produces in the aerosol generator to the real-time feedback particle diameter control feedback module, particle diameter control feedback module is used for the basis the particle diameter of aerosol, control gas drive control module adjustment the gas delivery pressure and the flow of external air supply, so that the particle diameter of aerosol satisfies preset particle diameter threshold value.
Preferably, particle diameter on-line measuring mechanism includes illumination light source, sample collecting pit and particle diameter detection module, be equipped with introduction port and outlet on the sample collecting pit, the introduction port with atomization generator connects, the outlet is used for being connected with the atomizing inhaler, illumination light source is used for shining atomizing aerosol in the sample collecting pit, particle diameter detection module is used for collecting atomizing aerosol particle scattered light, and acquires according to the scattered light atomizing aerosol particle's particle diameter, particle diameter control feedback module with particle diameter detection module connects.
Preferably, the device further comprises a display module connected with the online particle size detection mechanism, and the display module is used for displaying particle size distribution data of the atomized aerosol.
Preferably, the aerosol atomization generator further comprises an input module connected with the gas drive control module, wherein the input module is used for inputting a target aerosol atomization particle size, and the gas drive control module is used for adjusting the gas delivery pressure and flow of the external gas source according to the target aerosol atomization particle size, so that the particle size of the aerosol generated in the atomization generator meets the target aerosol atomization particle size.
Preferably, the external gas source is connected with the gas driving control module through a gas feed pipe.
Preferably, the external air source is an oxygen supply device.
Preferably, the external air source is a compressed air supply device.
Compared with the prior art, the technical scheme has the following advantages:
the invention provides an external air source driven atomization device, which comprises: external air supply, gas drive control module, the aerosol generator, particle diameter on-line measuring mechanism, particle diameter control feedback module, external air supply is used for atomizing generator transported gas, particle diameter on-line measuring mechanism is used for the particle diameter of the aerosol that produces in the real-time detection aerosol generator, and feed back to particle diameter control feedback module in real time, particle diameter control feedback module is used for according to the particle diameter of aerosol, control gas drive control module adjusts the gas delivery pressure and the flow of external air supply, so that the particle diameter of aerosol satisfies preset particle diameter threshold value. The particle size of the atomized aerosol in the atomizer can be controlled in real time through the gas drive control module, the particle size online detection mechanism and the particle size feedback module, so that the content of the atomized aerosol with the required particle size can be improved, the deposition rate of atomized medicine on the respiratory tract pathological change part is further improved, the use efficiency of the medicine is improved, and the waste of medical resources is reduced.
Drawings
In order to more clearly illustrate the technical solutions of the present invention or the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of an external air source driven atomization device according to an embodiment of the present invention.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below.
In the following description, specific details are set forth in order to provide a thorough understanding of the present invention. The invention can be implemented in a number of ways different from those described herein and similar generalizations can be made by those skilled in the art without departing from the spirit of the invention. Therefore, the present invention is not limited to the specific embodiments disclosed below.
Referring to fig. 1, fig. 1 is a schematic structural diagram of an external air source driven atomization device according to an embodiment of the present invention.
The invention provides an external air source 1 driving atomization device, which comprises: the device comprises an external air source 1, an air driving control module 3, an atomization generator 4, a particle size online detection mechanism 5 and a particle size control feedback module 6. The external air source 1 is used for conveying gas to the atomization generator 4, wherein the external air source 1 can be connected with the gas drive control module 3 through the air feed pipe 2, the gas drive control module 3 is connected with the atomization generator 4, the external air source 1 impacts the medicine in the atomization generator 4 into tiny particles through negative pressure caused by high-speed jet airflow, and the medicine is adsorbed on the gas and is inhaled into the lungs together with the gas; the particle size online detection mechanism 5 can detect the particle size of the atomized aerosol generated in the atomization generator 4 in real time and feed the particle size to the particle size control feedback module 6 in real time; particle diameter control feedback module 6 is according to the particle diameter of atomizing aerosol, and control gas drive control module 3 adjusts the gas delivery pressure and the flow of external air supply 1 to make the particle diameter of atomizing aerosol satisfy and predetermine the particle diameter threshold value, after satisfying the requirement, atomizing aerosol passes through nebulizer 7 and reaches patient's oral cavity 8, and high-efficient effect is in patient's focus department. Since the particle size of the atomized aerosol is related to the air pressure and the flow rate, the higher the air pressure and the higher the flow rate, the smaller the generated atomized aerosol particles and the larger the mist release amount. The particle size of the atomized aerosol in the atomizer can be controlled in real time through the gas drive control module 3, the particle size online detection mechanism 5 and the particle size feedback module, so that the content of the atomized aerosol with the required particle size can be improved, the deposition rate of atomized medicine on the respiratory tract pathological change part is further improved, the use efficiency of the medicine is improved, and the waste of medical resources is reduced.
Since the gas delivered by the external gas source 1 needs to enter the lungs together with the aerosol, the external gas source 1 may be an oxygen supply device or a compressed air supply device.
Specifically, the online particle size detection mechanism 5 includes an illumination light source, a sample collection pool, and a particle size detection module. The sample collecting pool is provided with a sample inlet and a sample outlet, the sample inlet is connected with the atomization generator 4, and the sample outlet is used for being connected with the atomization inhaler 7; the illumination light source provides uniform and collimated detection light to irradiate the atomized aerosol in the sample collection pool, and the particle size control feedback module 6 is connected with the particle size detection module. During specific detection, to-be-detected aerosol enters a sample collecting pool through a sample inlet and is full of the aerosol, redundant gas is discharged through a sample outlet, an illumination light source is started, light with the output wavelength of 650nm is output, after the to-be-detected aerosol particles are scattered, scattered light of the aerosol particles with different particle sizes is collected by a particle size detection module, the particle sizes of the aerosol particles are obtained according to the scattered light, the particle size detection module sends the obtained particle size data to a particle size control feedback module 6, the particle size control feedback module 6 can automatically adjust the flow and pressure of the gas according to a preset particle size threshold, and therefore the purpose of changing the particle sizes of the aerosol is achieved. In addition, the particle size online detection mechanism 5 can be integrated with the atomizer, so that the integration level is improved, and the use is convenient.
Further, the device also comprises a display module connected with the online particle size detection mechanism 5, and the display module is used for displaying particle size distribution data of the atomized aerosol. The proportion of the content of the atomized aerosol with different particle diameters can be visually displayed through the display module, and the adjustment operation of the particle diameters can be stopped when the proportion of the atomized aerosol particles in a certain particle diameter range is in a required numerical range.
Furthermore, the atomizing device further comprises an input module connected with the gas drive control module 3, wherein the input module is used for inputting the target atomized aerosol particle size, and the gas drive control module 3 is used for adjusting the gas delivery pressure and flow of the external gas source 1 according to the target atomized aerosol particle size, so that the particle size of the atomized aerosol generated in the atomizing generator 4 meets the target atomized aerosol particle size. The flexible applicability of the atomization device can be improved through the input module, so that the requirements of different atomization aerosol particle sizes are met.
It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (4)
1. The utility model provides an external air supply drive atomizing device which characterized in that includes: external air supply, gas drive control module, aerosol generator, particle diameter on-line measuring mechanism, particle diameter control feedback module, external air supply is used for giving aerosol generator carries gas, particle diameter on-line measuring mechanism is used for real-time detection the particle diameter of the aerosol that produces in the aerosol generator to give particle diameter control feedback module, particle diameter control feedback module is used for according to aerosol's particle diameter, control gas drive control module adjusts the gas delivery pressure and the flow of external air supply, so that aerosol's particle diameter satisfies preset particle diameter threshold value, particle diameter on-line measuring mechanism includes illumination light source, sample collecting pit and particle diameter detection module, be equipped with introduction port and appearance mouth on the sample collecting pit, introduction port with aerosol generator connects, appearance mouth is used for being connected with the inhalator, the illumination light source is used for illuminating the atomized aerosol in the sample collection pool, the particle size detection module is used for collecting the scattered light of the atomized aerosol particles, and the particle diameter of the atomized aerosol particles is obtained according to scattered light, the particle diameter control feedback module is connected with the particle diameter detection module, and the particle diameter control feedback module also comprises a display module connected with the particle diameter on-line detection mechanism, the display module is used for displaying the particle size distribution data of the atomized aerosol and also comprises an input module connected with the gas drive control module, the input module is used for inputting the particle size of the target atomized aerosol, the gas drive control module is used for adjusting the gas delivery pressure and flow of the external gas source according to the particle size of the target atomized aerosol, such that the particle size of the atomized aerosol generated within the aerosol generator meets the target atomized aerosol particle size.
2. The external gas source driven atomization device of claim 1 wherein the external gas source is connected to the gas drive control module through a gas feed tube.
3. The externally-connected gas source driven atomizing device as set forth in claim 2, wherein the externally-connected gas source is an oxygen supply device.
4. The external air supply driven atomizing device according to claim 3, wherein the external air supply is a compressed air supply.
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| CN202010995238.8A CN112057709B (en) | 2020-09-21 | 2020-09-21 | External air source driving atomization device |
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| CN202010995238.8A CN112057709B (en) | 2020-09-21 | 2020-09-21 | External air source driving atomization device |
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| CN112057709B true CN112057709B (en) | 2022-02-08 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US6116516A (en) * | 1996-05-13 | 2000-09-12 | Universidad De Sevilla | Stabilized capillary microjet and devices and methods for producing same |
| PT2381237T (en) * | 2010-04-23 | 2019-10-08 | Boehringer Ingelheim Microparts Gmbh | Method and apparatus for determining the operation of a metering device |
| US20150297118A1 (en) * | 2012-11-15 | 2015-10-22 | Jp Respiratory Technology Ab | Device and method for pulmonary function measurement |
| CN105372164B (en) * | 2015-12-11 | 2018-02-27 | 天津开发区合普工贸有限公司 | From dilution aerosol screening caliberating device |
| CN106769796A (en) * | 2017-03-21 | 2017-05-31 | 大连理工大学 | A kind of experimental provision and its experimental technique for measuring Atmospheric particulates indoor and outdoor penetrating coefficient |
| CN106902426A (en) * | 2017-04-17 | 2017-06-30 | 苏州雾联医疗科技有限公司 | A kind of adjustable atomization device |
| CN106964034B (en) * | 2017-04-17 | 2020-02-07 | 苏州雾联医疗科技有限公司 | Atomizer with adjustable atomization particle size |
| IT201800006391A1 (en) * | 2018-06-18 | 2019-12-18 | SYSTEM FOR MOLECULAR VAPORIZATION OF A LIQUID SUBSTANCE | |
| CN108896453B (en) * | 2018-06-21 | 2021-03-23 | 天津大学 | Multi-parameter adjustable mist flow experiment system |
| CN110779836A (en) * | 2019-12-02 | 2020-02-11 | 中国科学院长春光学精密机械与物理研究所 | Atomized particle size testing equipment and method |
| CN111665174A (en) * | 2020-07-17 | 2020-09-15 | 中国科学院长春光学精密机械与物理研究所 | Medical aerosol granularity monitoring device and atomizer system |
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