CN219721565U - Aerosol inhalation device for filtering and sterilizing infectious aerosols and droplets - Google Patents
Aerosol inhalation device for filtering and sterilizing infectious aerosols and droplets Download PDFInfo
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- CN219721565U CN219721565U CN202320779383.1U CN202320779383U CN219721565U CN 219721565 U CN219721565 U CN 219721565U CN 202320779383 U CN202320779383 U CN 202320779383U CN 219721565 U CN219721565 U CN 219721565U
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- filtering
- filter
- inhalation device
- cavity
- aerosol
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- 238000001914 filtration Methods 0.000 title claims abstract description 94
- 239000000443 aerosol Substances 0.000 title claims abstract description 82
- 208000015181 infectious disease Diseases 0.000 title claims abstract description 20
- 230000002458 infectious effect Effects 0.000 title claims abstract description 18
- 230000001954 sterilising effect Effects 0.000 title claims abstract description 8
- 239000012528 membrane Substances 0.000 claims abstract description 61
- 238000000889 atomisation Methods 0.000 claims abstract description 16
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims description 12
- 239000004810 polytetrafluoroethylene Substances 0.000 claims description 12
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 10
- 238000007789 sealing Methods 0.000 claims description 7
- 229910052799 carbon Inorganic materials 0.000 claims description 6
- 239000006185 dispersion Substances 0.000 claims description 3
- -1 polytetrafluoroethylene Polymers 0.000 claims description 3
- 239000011347 resin Substances 0.000 claims description 3
- 229920005989 resin Polymers 0.000 claims description 3
- 238000009298 carbon filtering Methods 0.000 claims description 2
- 238000000034 method Methods 0.000 claims description 2
- 238000004659 sterilization and disinfection Methods 0.000 claims 9
- 239000007921 spray Substances 0.000 abstract description 11
- 201000010099 disease Diseases 0.000 abstract description 7
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 abstract description 7
- 230000000694 effects Effects 0.000 abstract description 7
- 239000003814 drug Substances 0.000 description 6
- 238000012387 aerosolization Methods 0.000 description 2
- 229940079593 drug Drugs 0.000 description 2
- 208000030500 lower respiratory tract disease Diseases 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 208000011479 upper respiratory tract disease Diseases 0.000 description 2
- 241000894006 Bacteria Species 0.000 description 1
- 206010011409 Cross infection Diseases 0.000 description 1
- 206010029803 Nosocomial infection Diseases 0.000 description 1
- 244000052616 bacterial pathogen Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 210000004072 lung Anatomy 0.000 description 1
- 239000011859 microparticle Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000241 respiratory effect Effects 0.000 description 1
- 210000002345 respiratory system Anatomy 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Abstract
The utility model provides an aerosol inhalation device for filtering and sterilizing infectious aerosol and spray, which comprises an aerosol inhalation device body and a filtering device; the filtering device comprises a filtering shell, a connecting pipe and a plurality of filtering membranes; the filter shell is provided with a filter cavity; the filter cavity is divided into a front half part and a rear half part along the gas flow direction; the cross section of the front half part of the filter cavity gradually widens from front to back; the front end of the filter cavity is communicated with the exhaust end of the atomization inhalation device body through a connecting pipe; the rear end of the filter cavity is provided with a cavity opening; the cavity opening is covered with a filtering cover body with a hollowed-out structure; each layer of filtering membrane is sequentially arranged in the filtering cavity layer by layer from front to back; a filtering interval is reserved between the adjacent filtering membranes. The aerosol inhalation device can filter aerosol and spray discharged by patients during aerosol treatment of high-infection patients, and protect the safety of patients and medical staff in the same disease area; has good filtering effect, ensures smooth gas flow and ensures smooth expiration and inspiration of patients.
Description
Technical Field
The utility model relates to the technical field of atomization devices, in particular to an atomization inhalation device for filtering and sterilizing infectious aerosol and spray.
Background
An aerosol inhalation device is an apparatus for treating upper and lower respiratory tract diseases; the atomized inhalation device atomizes the liquid medicine into tiny particles, and the medicine enters the respiratory tract and the lung for deposition in a respiratory inhalation mode, so that the purpose of painless, rapid and effective treatment is achieved.
Existing T-shaped aerosol inhalation devices, as shown in FIG. 1; the patient exhales and inhales using the mouthpiece 2; air enters the aerosol inhalation device from the air inlet 1 and is mixed with the drug micro particles; when the patient inhales, the gas with the drug particles is inhaled into the body, and the gas exhaled by the patient after exhalation is exhausted from the exhaust pipe 3. The existing aerosol inhalation device has no filtering function, and the gas exhaled by a patient is directly discharged to the external environment; however, the gas exhaled by the patients suffering from the upper and lower respiratory tract diseases has aerosol and spray, a large amount of bacteria and germs exist, cross infection among the patients in the same disease area is easy to cause repeated and aggravated disease conditions, and the health of medical staff is threatened. Therefore, there is a need to design an aerosol inhalation device that can filter and sterilize infectious aerosols and droplets.
Disclosure of Invention
The utility model aims to overcome the defects and shortcomings in the prior art and provide an aerosol inhalation device for filtering and sterilizing infectious aerosol and spray; the aerosol inhalation device can filter aerosol and spray discharged by patients during aerosol treatment of high-infection patients, and protect the safety of patients and medical staff in the same disease area; the filter has good filtering effect, can ensure smooth gas flow and ensure smooth expiration and inspiration of patients.
In order to achieve the above purpose, the utility model is realized by the following technical scheme: an aerosol inhalation device for filtering and sterilizing infectious aerosols and droplets, comprising an aerosol inhalation device body; the method is characterized in that: the filter device is also included; the filtering device comprises a filtering shell, a connecting pipe and a plurality of filtering membranes; the filter shell is provided with a filter cavity; the filter cavity is divided into a front half part and a rear half part along the gas flow direction; the cross section of the front half part of the filter cavity gradually widens from front to back; the front end of the filter cavity is communicated with the exhaust end of the atomization inhalation device body through a connecting pipe; the rear end of the filter cavity is provided with a cavity opening; the cavity opening is covered with a filtering cover body with a hollowed-out structure; each layer of filtering membrane is sequentially arranged in the filtering cavity layer by layer from front to back; a filtering interval is reserved between the adjacent filtering membranes.
When the atomization inhalation device is adopted by a user, atomized gas is inhaled into the body of the user from the atomization inhalation device body, gas exhaled by the user is exhausted through the exhaust end of the atomization inhalation device body, and the exhausted gas is filtered by the filtering device and then is exhausted outwards, so that the discharged aerosol and spray of the highly-infected patient can be filtered when the highly-infected patient is subjected to atomization treatment, and the safety of the patient and medical staff in the same disease area is protected. In order to ensure smooth flow of gas in the filter cavity, the cross section of the filter cavity is gradually widened, and the flow space is enlarged; the filtering interval is reserved between the filtering membranes, so that the number of the enough filtering membranes can be ensured, the filtering effect is ensured, and the phenomenon that the gas flows are unsmooth due to the fact that the filtering membranes are stacked together can be avoided.
Preferably, the connecting tube bends downwards when extending from the end near the aerosol inhalation device body to the end near the filter cavity; the front end opening of the filter cavity is upward, and the rear end opening of the filter cavity is downward, so that the gas exhausted by the atomization inhalation device body flows downwards in the connecting pipe and the filter cavity. Because the aerosol density is higher than that of air, the aerosol is easy to sink; the connecting tube is bent downwards, and the filter cavity is arranged vertically, so that aerosol can be better contacted with the filter membrane, and unfiltered aerosol remained in the connecting tube and the filter cavity is reduced.
Preferably, each layer of filtering membrane is arranged in the filtering cavity through a supporting frame respectively; the support frame comprises a plurality of layers of support meshes and a connecting rod for fixing the support meshes; mesh spacing is reserved between adjacent support meshes; each layer of filtering membrane is respectively paved on each layer of supporting net sheet one by one. The filtering membranes are arranged by adopting the supporting frame, so that a filtering interval is reserved between the filtering membranes; the filtering cover body is opened, the supporting frame is taken out, the filtering membrane can be replaced, and the use is convenient.
Preferably, the shape and size of the support mesh matches the cross-section of the rear half of the filter cavity; the distance between first layer support net piece and last layer support net piece matches with the length phase-match of filter chamber latter half to realize that the support frame passes through filter chamber first half and filter chamber latter half junction and filters the lid and realize the front and back location. The structure in the filter cavity can be simplified by the arrangement, and the support frame is convenient to position and fix.
Preferably, the shape and size of each filter membrane is matched to the cross-section of the rear half of the filter cavity.
Preferably, the connection tube and the filter housing are integrally formed.
Preferably, the inhalation end of the aerosol inhalation device body is provided with a flexible mask for covering the oronasal position of the user. The flexible mask prevents the escape of aerosolized medicament and exhaled air and also promotes patient aerosolization efficiency.
Preferably, the filter cover body is in sealing connection with the filter cavity opening through a sealing ring.
Preferably, the edge of the filter cover body is provided with a bulge. The filter cover body is broken off by grasping and protruding, so that the use is convenient.
Preferably, the filtering membrane adopts an activated carbon filtering membrane and a PTFE (polytetrafluoroethylene dispersion resin) microporous filtering membrane; the active carbon filter membrane and the PTFE microporous filter membrane are respectively provided with more than one layer; the active carbon filter membrane is positioned above the PTFE microporous filter membrane. The filtering membrane of the mode can effectively filter aerosol and spray exhaled by a patient, and has good filtering effect.
Compared with the prior art, the utility model has the following advantages and beneficial effects:
1. the aerosol inhalation device can filter aerosol and spray discharged by patients during aerosol treatment of highly-infected patients, and protect the safety of the patients and medical staff in the same disease area; the filter has good filtering effect, can ensure smooth gas flow and ensure smooth expiration and inspiration of patients;
2. the aerosol inhalation device can better enable the aerosol to contact with the filter membrane, and reduce unfiltered aerosol left in the connecting pipe and the filter cavity;
3. the atomization inhalation device is convenient to use and convenient to replace the filtering membrane.
Drawings
FIG. 1 is a schematic diagram of a prior art T-shaped aerosol inhalation device;
FIG. 2 is a schematic view of the aerosol inhalation device of the present utility model;
FIG. 3 is a schematic cross-sectional view of a filter assembly of the aerosol inhalation device of the present utility model;
FIG. 4 is an exploded view of a filter assembly of the aerosol inhalation device of the present utility model;
the device comprises a gas inlet 1, a mouth 2, a gas outlet pipe 3, an atomization inhalation device body 4, a filtering device 5, a connecting pipe 6, a filtering cover 7, a flexible mask 8, a filtering membrane 9, a supporting net sheet 10, a sealing ring 11, a filtering shell 12 and a bulge 13.
Detailed Description
The utility model is described in further detail below with reference to the drawings and the detailed description.
Example 1
An aerosol inhalation device for filtering and sterilizing infectious aerosols and droplets of the present embodiment comprises an aerosol inhalation device body 4; a filter device 5 is also included. The filter device 5 comprises a filter housing 12, a connecting tube 6 and several filter membranes 9. The filter housing 12 is provided with a filter cavity; the front end of the filter cavity is communicated with the exhaust end of the atomization inhalation device body 4 through a connecting pipe 6; the connecting tube 6 is preferably bent downward when extending from the end near the aerosol inhalation device body 4 to the end near the filter cavity; the front end of the filter cavity is opened upwards. The rear end of the filter cavity is provided with a cavity opening; the rear end opening of the filter cavity is downward, so that the gas discharged by the atomization inhalation device body 4 flows downwards from top to bottom in the connecting pipe 6 and the filter cavity. The filter cavity is divided into a front half part and a rear half part along the gas flow direction; the cross-section of the front half of the filter chamber gradually widens from front to back.
The cavity mouth is covered with a filtering cover body 7 with a hollowed-out structure; the filter cover 7 is preferably connected with the filter cavity mouth in a sealing way through a sealing ring 11. The edge of the filter cover 7 is provided with a protrusion 13. The filter cover 7 is broken by grasping the protrusions 13, which is convenient to use.
Each layer of filter membrane 9 is sequentially arranged in the filter cavity layer by layer from front to back; a filtering space is reserved between the adjacent filtering membranes 9. Each layer of filter membrane 9 is arranged in the filter cavity through a supporting frame; the support frame comprises a plurality of layers of support meshes 10 and connecting rods for fixing the support meshes 10; a mesh spacing is reserved between adjacent support meshes 10; the filter membranes 9 are respectively laid on the support meshes 10 one by one. The filtering membranes 9 are arranged by adopting the supporting frame, so that a filtering interval is reserved between the filtering membranes 9; the filtering cover body 7 is opened, the supporting frame is taken out, the filtering membrane 9 can be replaced, and the use is convenient.
The preferable scheme is as follows: the shape and size of the support mesh 10 are matched with the cross section of the rear half part of the filter cavity; the distance between the first layer support net sheet 10 and the last layer support net sheet 10 is matched with the length of the rear half part of the filter cavity, so that the front and rear positioning of the support frame is realized through the joint of the front half part of the filter cavity and the rear half part of the filter cavity and the filter cover body 7. The structure in the filter cavity can be simplified by the arrangement, and the support frame is convenient to position and fix. The shape and size of each layer of filter membrane 9 are respectively matched with the cross section of the rear half part of the filter cavity.
The filter membrane 9 adopts an active carbon filter membrane 9 and a PTFE (polytetrafluoroethylene dispersion resin) microporous filter membrane; the active carbon filter membrane 9 and the PTFE microporous filter membrane are respectively provided with more than one layer; the activated carbon filtration membrane 9 is positioned above the PTFE microporous filtration membrane. The filtering membrane 9 can effectively filter aerosol and spray exhaled by a patient, and has good filtering effect.
When a user adopts the aerosol inhalation device, aerosol gas is inhaled into the body of the user from the aerosol inhalation device body 4, the gas exhaled by the user is exhausted through the exhaust end of the aerosol inhalation device body 4, and the exhausted gas is filtered by the filtering device 5 and then exhausted outwards, so that the aerosol and spray exhausted by the highly-infected patient can be filtered during aerosol treatment, and the safety of the patient and medical staff in the same disease area is protected. In order to ensure smooth flow of gas in the filter cavity, the cross section of the filter cavity is gradually widened, and the flow space is enlarged; the filtering spacing is reserved between the filtering membranes 9, so that the number of the enough filtering membranes 9 can be ensured, the filtering effect is ensured, and the phenomenon that gas flows are unsmooth due to the fact that the filtering membranes 9 are stacked together can be avoided.
Because the aerosol density is higher than that of air, the aerosol is easy to sink; the connecting tube 6 is thus bent downwards and the filter chamber is arranged vertically, which makes it possible to better bring the aerosol into contact with the filter membrane 9, reducing unfiltered aerosol remaining in the connecting tube 6 and the filter chamber.
The connection tube 6 and the filter housing 12 are preferably integrally formed.
The inhalation end of the aerosol inhalation device body 4 is preferably provided with a flexible mask 8 for covering the oronasal position of the user. The flexible mask 8 prevents escape of aerosolized medicament and exhaled air and also promotes patient aerosolization efficiency.
The above examples are preferred embodiments of the present utility model, but the embodiments of the present utility model are not limited to the above examples, and any other changes, modifications, substitutions, combinations, and simplifications that do not depart from the spirit and principle of the present utility model should be made in the equivalent manner, and the embodiments are included in the protection scope of the present utility model.
Claims (10)
1. An aerosol inhalation device for filtering and sterilizing infectious aerosols and droplets, comprising an aerosol inhalation device body; the method is characterized in that: the filter device is also included; the filtering device comprises a filtering shell, a connecting pipe and a plurality of filtering membranes; the filter shell is provided with a filter cavity; the filter cavity is divided into a front half part and a rear half part along the gas flow direction; the cross section of the front half part of the filter cavity gradually widens from front to back; the front end of the filter cavity is communicated with the exhaust end of the atomization inhalation device body through a connecting pipe; the rear end of the filter cavity is provided with a cavity opening; the cavity opening is covered with a filtering cover body with a hollowed-out structure; each layer of filtering membrane is sequentially arranged in the filtering cavity layer by layer from front to back; a filtering interval is reserved between the adjacent filtering membranes.
2. An aerosol inhalation device for the filtration and disinfection of infectious aerosols and droplets as claimed in claim 1 wherein: the connecting pipe bends downwards when extending from one end close to the atomization inhalation device body to one end close to the filter cavity; the front end opening of the filter cavity is upward, and the rear end opening of the filter cavity is downward, so that the gas exhausted by the atomization inhalation device body flows downwards in the connecting pipe and the filter cavity.
3. An aerosol inhalation device for the filtration and disinfection of infectious aerosols and droplets as claimed in claim 1 wherein: each layer of filtering membrane is arranged in the filtering cavity through a supporting frame; the support frame comprises a plurality of layers of support meshes and a connecting rod for fixing the support meshes; mesh spacing is reserved between adjacent support meshes; each layer of filtering membrane is respectively paved on each layer of supporting net sheet one by one.
4. An aerosol inhalation device for the filtration and disinfection of infectious aerosols and droplets as claimed in claim 3 wherein: the shape and the size of the supporting net sheet are matched with the cross section of the rear half part of the filter cavity; the distance between first layer support net piece and last layer support net piece matches with the length phase-match of filter chamber latter half to realize that the support frame passes through filter chamber first half and filter chamber latter half junction and filters the lid and realize the front and back location.
5. The aerosol inhalation device for the filtration and disinfection of infectious aerosols and droplets as claimed in claim 4 wherein: the shape and the size of each layer of filter membrane are respectively matched with the cross section of the rear half part of the filter cavity.
6. An aerosol inhalation device for the filtration and disinfection of infectious aerosols and droplets as claimed in claim 1 wherein: the connecting pipe and the filtering shell are integrally formed.
7. An aerosol inhalation device for the filtration and disinfection of infectious aerosols and droplets as claimed in claim 1 wherein: the inhalation end of the aerosol inhalation device body is provided with a flexible mask for covering the mouth and nose positions of a user.
8. An aerosol inhalation device for the filtration and disinfection of infectious aerosols and droplets as claimed in claim 1 wherein: the filter cover body is connected with the cavity opening of the filter cavity in a sealing way through a sealing ring.
9. An aerosol inhalation device for the filtration and disinfection of infectious aerosols and droplets as claimed in claim 1 wherein: the edge of the filtering cover body is provided with a bulge.
10. An aerosol inhalation device for the filtration and disinfection of infectious aerosols and droplets as claimed in claim 1 wherein: the filtering membrane adopts an active carbon filtering membrane and a PTFE (polytetrafluoroethylene dispersion resin) microporous filtering membrane; the active carbon filter membrane and the PTFE microporous filter membrane are respectively provided with more than one layer; the active carbon filter membrane is positioned above the PTFE microporous filter membrane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320779383.1U CN219721565U (en) | 2023-04-10 | 2023-04-10 | Aerosol inhalation device for filtering and sterilizing infectious aerosols and droplets |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320779383.1U CN219721565U (en) | 2023-04-10 | 2023-04-10 | Aerosol inhalation device for filtering and sterilizing infectious aerosols and droplets |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219721565U true CN219721565U (en) | 2023-09-22 |
Family
ID=88025182
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320779383.1U Active CN219721565U (en) | 2023-04-10 | 2023-04-10 | Aerosol inhalation device for filtering and sterilizing infectious aerosols and droplets |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219721565U (en) |
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2023
- 2023-04-10 CN CN202320779383.1U patent/CN219721565U/en active Active
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