CN107126645B - A kind of type nasal filter for respiration - Google Patents
A kind of type nasal filter for respiration Download PDFInfo
- Publication number
- CN107126645B CN107126645B CN201710294422.8A CN201710294422A CN107126645B CN 107126645 B CN107126645 B CN 107126645B CN 201710294422 A CN201710294422 A CN 201710294422A CN 107126645 B CN107126645 B CN 107126645B
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- filter membrane
- connecting bracket
- filter
- wall
- airflow channel
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
- A62B23/00—Filters for breathing-protection purposes
- A62B23/06—Nose filters
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- Health & Medical Sciences (AREA)
- Otolaryngology (AREA)
- General Health & Medical Sciences (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Respiratory Apparatuses And Protective Means (AREA)
Abstract
The invention discloses a kind of type nasal filter for respiration, for improving breathing technique field, including domed connecting bracket, the bottom opening of the connecting bracket forms snapin part, component is filled in equipped with tubular in the two sides of connecting bracket, it is filled in described in every side in component equipped with airflow channel and the filter membrane that can be opened and closed in airflow channel, airflow channel has suction inlet and expiratory port, evaporating film is equipped at the expiratory port, liquid storage cavity is equipped in the connecting bracket, connecting bracket outer wall is equipped with the micropore of connection liquid storage cavity, and evaporating film connects the micropore.The present invention contacts less with nasal membrane, and the influence to physiology of the nose environment is small, can reduce expiratory resistance to the maximum extent while can also play the role for the treatment of auxiliary to tracheae.
Description
Technical field
The present invention relates to breathing medical instruments fields, more particularly to a kind of type nasal filter for respiration.
Background technique
Air pollutants with the increasingly rising of air pollution index, especially in urban air, based on coal smoke type
The air pollutant emissions such as (its pollutant includes sulfur dioxide, carbon dioxide and flue dust), vehicle exhaust, chemical plant toxic gas
Exceed nature self-purification capacity, threatens the health of the respiratory system of the mankind.In addition, with the increasing of air pollution degree
Add, respiratory disease and is also badly in need of finding that a kind of can both to have reduced the sucking of air stimulation object simultaneous there are airway hyper-reaction crowd
Have daily maintenence and the care method of air flue atomized medicine introducing effect.And mask becomes the most frequently used cheap respiratory protection equipment, but
It is to wear mask to be an impediment to face-to-face exchange, and majority cannot be reused, and be even more little, the needle that works for toxic pollutant
To such situation, CN 202191615U discloses a kind of Mini-type nasal filter for respiration, by front ring disposed in parallel and rear ring,
Connecting rod and strut and along pitman shaft to the several groups trilobed wheel shape of distribution sieve constitute, by dense micropore in aforementioned components
Interior storing liquid generates specific suction-operated, very few with sucking air contact area since design colyliform sieve is micro-tubular structure, makes
It is limited to obtain filtering efficiency, and sieve leaf activity is poor, resistance is generated when exhaling and easily causes user uncomfortable.In addition, CN
103349818A is made of chemical polyester fiber and cotton mixing segmentation, is a pair of nasal packing body, is reached filter out sky whereby
Fine particle in gas, and this is designed as a column filler, easily causes user's nasal cavity uncomfortable after wearing, while causing to exhale and hinder
Power is big, big to the interference of physiological environment in nasal cavity.In addition, the design is unfavorable for reusing, and without fixed device, be easy because
It exhales or sneezes and cause to fall off.
Moreover, above-mentioned technology is only capable of playing the role of filtering, and has no any control for some respiratory diseases
The effect for the treatment of causes mask, filter function single.
Summary of the invention
To solve the above-mentioned problems, the purpose of the present invention is to provide a kind of type nasal filter for respiration, fix simple side
Just, physiology of the nose environment is influenced small, additionally it is possible to have additional treatment auxiliaring effect.
The technical scheme adopted by the invention is that:
A kind of type nasal filter for respiration, including domed connecting bracket, the bottom opening of the connecting bracket forms card
Enter portion, what the two sides of connecting bracket were equipped with tubular fills in component, is filled in component described in every side and is equipped with airflow channel and can be
The filter membrane opened and closed in airflow channel, airflow channel have suction inlet and expiratory port, and evaporating film is equipped at the expiratory port, described
It is equipped with liquid storage cavity in connecting bracket, connecting bracket outer wall is equipped with the micropore of connection liquid storage cavity, described in evaporating film connection
Micropore.
As a further improvement of the present invention, the material of the evaporating film is water suction screen cloth.
As a further improvement of the present invention, the filter membrane and evaporating film be from a distance.
As a further improvement of the present invention, the filter membrane has fixing end and movable end, and the fixing end rotation connects
It connects on the wall of airflow channel, the airflow channel has the sealing for abutting movable end, when air-flow is from suction inlet to expiratory port
When flowing, the movable end abuts sealing to which filter membrane is overlying on airflow channel, when air-flow is from expiratory port to suction inlet stream
When dynamic, the movable end is opened to filter membrane relative to airflow channel relative to hermetic unit.
As a further improvement of the present invention, the filter membrane includes the first filter membrane and the second filter membrane separated, the
One filter membrane and the second filter membrane are separately positioned at suction inlet and expiratory port and mutually link, the first filter membrane and the second filtering
Film is respectively equipped with fixing end and movable end, and the second filter membrane and evaporating film are from a distance.
As a further improvement of the present invention, it is equipped with driving member between first filter membrane and the second filter membrane and passes through
Driving member connection.
As a further improvement of the present invention, the driving member includes drive rod and the elasticity for being connected to drive rod both ends
Part, two elastic components are separately connected the first filter membrane and the second filter membrane.
As a further improvement of the present invention, the component of filling in of every side includes that annular tubular goes along with sb. to guard him wall, goes along with sb. to guard him the interior of wall
The airflow channel is surrounded between wall and the outer wall of connecting bracket, the outer wall of connecting bracket and the inner wall for going along with sb. to guard him wall are separately connected
One of them of sealing, filter membrane fixing end.
As a further improvement of the present invention, the sealing includes the filler ring of circular diaphragm seal and annular shape, close
Suction inlet is surrounded between the edge of mounting inner ring and the outer wall of connecting bracket, diaphragm seal is equipped with to be sealed with the first filter membrane movable end
The sealing surface of connection, surrounds expiratory port between the edge of filler ring inner ring and the bottom end outer wall of connecting bracket, filler ring is equipped with and second
The sealing surface that filter membrane surface movable end is tightly connected.
As a further improvement of the present invention, the connecting bracket is in inverted " Ω " type, and the micropore is set to the bottom " Ω "
The two sides at end, the bottom face of filler ring and the end face of connecting bracket are concordant.
The beneficial effects of the present invention are: the present invention is connected the component of filling in filled in respectively to nasal cavity with connecting bracket
Come, and be caught at nasal septum by snapin part, enable fill in component it is stable be in nasal cavity and, and not from nasal cavity
In fall off, contacted less with nasal membrane, the influence to physiology of the nose environment it is small；In addition, filter in use, passed through
The passive opening and closing of filter membrane is realizing maximum adsorption filter effect simultaneously, is reducing expiratory resistance to the maximum extent；Further originally
Invention also has an evaporating film and liquid storage cavity, and in breathing process, also the liquid in storage chamber evaporates after being evaporated film sucking,
Enter the gentle pipe of human body nasal cavity in company with gas, according to it is different need adding liquid after be able to satisfy different treatment requirements.
Detailed description of the invention
The present invention is further described with embodiment with reference to the accompanying drawing.
Fig. 1 is the schematic diagram of filter suction condition；
Fig. 2 is the schematic diagram of filter exhalation state；
Fig. 3 is the top view of filter；
Fig. 4 is the bottom view of filter.
Specific embodiment
Type nasal filter for respiration as shown in Figures 1 to 4, including domed connecting bracket 1.The top of the connecting bracket 1
Portion is arc shape, and the part extended downwardly is rectangle or the sheet material close to rectangle.The sheet material of two pieces rectangle is spaced from each other, from
And snapin part 2 is formed at the bottom opening of connecting bracket 1, the snapin part 2 is recessed upwards for being caught in nasal septum
Place.
The monosymmetric of connecting bracket 1 fills in component equipped with tubular, and component is filled in for being placed in human body in two sides
In nasal cavity.Preferably, the outer wall for filling in component is the arc for adapting to human body nasal cavity, for example be can be such as the following diameter in figure
It is bigger, and the arc shape that top diameter is smaller.In embodiment, the outer wall for filling in component is not connect with the generation of nasal cavity inner wall all
Touching, and only relies on connection diameter and fixes with nose, so that component is filled in fixation, therefore, schneiderian membrane not with fill in component generation
More contact, then filter is very small on the influence of physiology of the nose environment.
The component of filling in of two sides is symmetrically, to be only illustrated in embodiment with side.
Described filling in is equipped with airflow channel and filter membrane in component, airflow channel is exhaled with a suction inlet 3 and one
Outlet 4, suction inlet 3 are used for sucking air when human body respiration, and far from person's windpipe for entire filter, expiratory port 4 is
The primary outlet that air breathes out when human body respiration, close to person's windpipe.The filter membrane is arranged to: as shown in Figure 1, working as
When air-flow is flowed from suction inlet 3 to expiratory port 4 (air-breathing), filter membrane is overlying on airflow channel (closed state), sucks at this time
Fine particle in air is filtered by filter membrane；As shown in Fig. 2, and (being exhaled when air-flow is flowed from expiratory port 4 to suction inlet 3
Gas), filter membrane opens (open state) relative to airflow channel, forms by interior nasal cavity to extraneous non-resistance channel, at this time
The air of exhalation can smoothly be discharged without filter membrane fills in component in vitro, greatly reduces expiratory resistance, is suffering from
Have in respiratory infection diseases patient and especially benefits.Moreover, exhaled gas is emitted into air, will not generate gas to eyes
Mist influences, and air flue carrier also avoids bacterium in air flue detour repeatedly, leads to the evil of protracted course of disease by smoothly exhaling
Fruit.It is therefore particularly suited for the elderly and with respiratory dysfunction patient (such as COPD, chronic bronchitis).
In embodiment, evaporating film 12 is additionally provided at expiratory port, connecting bracket is hollow structure, and hollow space is liquid
Body storage chamber, connecting bracket outer wall are equipped with the micropore 13 of connection liquid storage cavity, and the evaporating film 12 connects micropore 13.Liquid
In storage chamber in advance can the liquid such as saline injection, liquid is evaporated after film 12 adsorbs by micropore, under the drive of air-flow,
It can play the role of liquid release and humidified air.Specific liquid can be also added in user, can play the protection of specific aim air flue
Effect；The medical fluid for the treatment of can also be added in user, play the therapeutic effect to tracheae, air flue.Such as sugared cortical hormone is added
The medicaments such as element act on the patient airway daily nursing to airway hyper-reaction, Apophlegmatisant are added, slowly effect can reduce patient
The air flue of sputum deposits.
Above-mentioned liquid storage cavity can be along the elongated setting of connecting bracket, to facilitate production, and can also store more
Liquid.
It is further preferred that the material of evaporating film 12 is water suction screen cloth, the grid of the water suction screen cloth is larger, empty without influencing
The flowing of gas.
It is further preferred that filter membrane and evaporating film 12 are from a distance, to prevent liquid from penetrating into from evaporating film 12
Filter membrane and influence filter effect.
It is further preferred that the opening and closing of filter membrane can be by being realized with flowering structure.Filter membrane has fixing end
And movable end, fixing end are rotatably connected on the wall of airflow channel, airflow channel has the sealing for abutting movable end.Air-breathing rank
Section, air-flow are flowed from suction inlet 3 to expiratory port 4, and air-flow pushes filter membrane to rotate clockwise around fixing end, so that movable end abuts
Sealing and be overlying on airflow channel, air is only capable of walking between filter membrane；Expiration phase, air-flow is from expiratory port 4 to suction inlet 3
Flowing, air-flow push movable end to rotate counterclockwise and leave sealing, and filter membrane no longer covers airflow channel, the sky of exhalation at this time
It is so incensed that smoothly to excrete.
It is further preferred that filter membrane includes the first filter membrane 5 and the second filter membrane 6 separated, the first filter membrane 5 and the
Two filter membranes 6 are separately positioned at suction inlet 3 and expiratory port 4 and mutually link, and the first filter membrane 5 and the second filter membrane 6 are divided equally
Not She You fixing end and movable end, the second filter membrane 6 with evaporating film 12 from a distance.The design energy of above-mentioned two layers of filter membrane
It is enough to increase filter effect as far as possible, and two layers of filter membrane be arranged apart and mutual linkage, it can't be to mutual opening and closing band
To influence.
Above-mentioned the first filter membrane 5 and the second filter membrane 6 is preferably the filtering film layer that aperture is lower than 2.5 μm.
It is further preferred that being equipped with driving member between first filter membrane 5 and the second filter membrane 6, and the first mistake
Filter membrane 5 is connect with the second filter membrane 6 by the driving member.When first filter membrane 5 or the second filter membrane 6 rotate, meeting
Driving force is passed into other side by driving member, the two is made to link.
Specifically, driving member includes drive rod 7 and the elastic component 8 for being connected to 7 both ends of drive rod, two elastic components 8
It is separately connected the first filter membrane 5 and the second filter membrane 6.Elastic component 8 can be short elastomer filament, its role is to deformation with
Keep the interaction relation between two filter membranes.Since after the first filter membrane 5 and the rotation of the second filter membrane 6, the two and driving member
The distance between two tie points can change, if entire driving member is rigid member, will appear asking for filter membrane damage
Topic.
It is further preferred that the component of filling in of every side includes that annular tubular goes along with sb. to guard him wall 9, medial surface and the company of wall 9 are gone along with sb. to guard him
The airflow channel surrounded in embodiment between the lateral surface of bracket 1 is connect, which is the straight-through form without turning, namely is inhaled
Axis where entrance 3 and expiratory port 4 is parallel to each other, or even substantially overlaps, in this way guarantee airflow smooth.
With reference to Fig. 1, sealing connects the medial surface for going along with sb. to guard him wall 9, the fixing end 51 of the first filter membrane 5 and the second filter membrane 6
Fixing end 61 be rotatablely connected the lateral surface of the connecting bracket 1, the movable end 52 of the first filter membrane 5 and the second filter membrane 6
Movable end 62 can be overlapped on sealing.Certainly, and embodiment (not shown) in, can also with but sealing connection described in
The lateral surface of connecting bracket 1, and the medial surface of wall 9 is gone along with sb. to guard him in the rotation connection of the fixing end of filter membrane.
It is further preferred that sealing includes circular diaphragm seal 10 and circular filler ring 11.Diaphragm seal 10 is located at
Top, and filler ring 11 is located below.Suction inlet 3 is surrounded between the edge of 10 inner ring of diaphragm seal and the lateral surface of connecting bracket 1, the
One filter membrane 5 can cover suction inlet 3.Specifically, diaphragm seal 10 is overlapped or substantially overlaps with the center of the first filter membrane 5, and
The internal diameter of diaphragm seal 10 is less than the outer diameter of the first filter membrane 5, and therefore, the rotation of the first filter membrane 5 may make corresponding movable end
The sealing surface of 52 sealing covering diaphragm seals 10, the sealing surface can be what 5 diameter of the first filter membrane was grown than 10 internal diameter of diaphragm seal
Part, as shown in Figure 1.Filler ring 11 is the ring-type for being bent 90 degree from going along with sb. to guard him the bottom end of wall 9 to 1 direction of connecting bracket and being formed, interior
Expiratory port 4 is surrounded between the edge of ring and the Basolateral face of connecting bracket 1.Specifically, filler ring 11 and the second filter membrane 6
Center is overlapped or substantially overlaps, and the internal diameter of filler ring 11 is less than the outer diameter of the second filter membrane 6, therefore, the rotation of the second filter membrane 6
The sealing surface of the corresponding sealing of movable end 62 covering filler ring 11, the sealing surface of the filler ring 11 may make to can be the second filter membrane 6
Diameter is than the part that 11 internal diameter of filler ring is grown, as shown in Figure 2.
It is further preferred that connecting bracket 1 is roomy in upper end, and narrowed " Ω " type in bottom end, structure, the bottom face of filler ring 11
It is concordant with the bottom face of connecting bracket 1.The micropore 13 is set to the two sides of two straight portions in the bottom end " Ω ", and micropore 13 is big
It causes to keep concordant with evaporating film 12, and connects the outer edge of evaporating film 12, so as to slowly, equably carry out the infiltration of liquid
Thoroughly.
By filter to above-described embodiment carry out performance detection (filter efficiency of pm2.5 particle, intake resistance and
Atmidometer out), obtain following data:
| Ventilation flow rate (L/min) | Filter efficiency (η) | Inspiratory resistance (Pa) | Expiratory resistance (Pa) |
| 7 | 71.8% | 60 | 25 |
| 13 | 61.9% | 100 | 50 |
| 30 | 55.3% | 250 | 150 |
Filter efficiency η=(1-ρ of ρ, 2/ ρ 2) × 100%, ρ 1 is particle concentration (the μ g/m before filtering in gas3)；ρ2
For particle concentration (the μ g/m in gas after filtering3)；η is the filter efficiency of filter.
Above data is it is found that the filter of embodiment can effectively filter removal particle, and respiratory resistance is all smaller.
The above is the preferred embodiment of the present invention, is not constituted a limitation on the scope of protection of the present invention.
Claims (9)
1. a kind of type nasal filter for respiration, including domed connecting bracket (1), it is characterised in that: the connecting bracket (1)
Bottom opening forms snapin part (2), and component is filled in equipped with tubular in the two sides of connecting bracket (1), fills in component described in every side
The interior filter membrane that is equipped with airflow channel and can open and close in airflow channel, the filter membrane include the first filter membrane (5) separated
With the second filter membrane (6), it is equipped with driving member between first filter membrane (5) and the second filter membrane (6) and is connected by driving member
It connects, airflow channel has suction inlet (3) and expiratory port (4), is equipped with evaporating film (12) at the expiratory port, the connecting bracket
(1) liquid storage cavity is equipped in, connecting bracket (1) outer wall is equipped with the micropore (13) of connection liquid storage cavity, and evaporating film (12) is even
Connect the micropore (13).
2. type nasal filter for respiration according to claim 1, it is characterised in that: the material of the evaporating film (12) is water suction
Screen cloth.
3. type nasal filter for respiration according to claim 1, it is characterised in that: the filter membrane is separated with evaporating film (12)
A distance.
4. type nasal filter for respiration according to claim 1 or 2 or 3, it is characterised in that: the filter membrane has fixing end
And movable end, the fixing end are rotatably connected on the wall of airflow channel, the airflow channel has the sealing for abutting movable end
Portion, when air-flow is flowed from suction inlet to expiratory port, the movable end abutting sealing is overlying on airflow channel to filter membrane,
When air-flow is flowed from expiratory port to suction inlet, the movable end leads to filter membrane relative to air-flow relative to hermetic unit
It opens in road.
5. type nasal filter for respiration according to claim 4, it is characterised in that: the first filter membrane (5) and the second filter membrane
(6) it is separately positioned at suction inlet (3) and expiratory port (4) and mutually links, the first filter membrane (5) and the second filter membrane (6) are equal
It is respectively equipped with fixing end and movable end, the second filter membrane and evaporating film (12) are from a distance.
6. type nasal filter for respiration according to claim 1, it is characterised in that: the driving member include drive rod (7) with
And it is connected to the elastic component (8) at drive rod (7) both ends, two elastic components (8) are separately connected the first filter membrane (5) and the second filtering
Film (6).
7. type nasal filter for respiration according to claim 5, it is characterised in that: the component of filling in of every side includes annular tubular
Go along with sb. to guard him wall (9), go along with sb. to guard him and surround the airflow channel, connecting bracket between the inner wall of wall (9) and the outer wall of connecting bracket (1)
(1) outer wall is separately connected one of them of sealing, filter membrane fixing end with the inner wall for going along with sb. to guard him wall (9).
8. type nasal filter for respiration according to claim 7, it is characterised in that: the sealing includes circular sealing
The filler ring (11) of piece (10) and annular shape, surrounds sucking between the edge of diaphragm seal (10) inner ring and the outer wall of connecting bracket (1)
Mouth (3), diaphragm seal (10) are equipped with the sealing surface being tightly connected with the first filter membrane (5) movable end, the edge of filler ring (11) inner ring
It is surrounded between the bottom end outer wall of connecting bracket (1) expiratory port (4), filler ring (11) is equipped with and the second filter membrane (6) surface activity
Hold the sealing surface being tightly connected.
9. type nasal filter for respiration according to claim 8, it is characterised in that: the connecting bracket (1) is in inverted
" Ω " type, the micropore (13) are set to the two sides of the bottom end " Ω ", and the bottom face of filler ring (11) and the end face of connecting bracket (1) are flat
Together.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710294422.8A CN107126645B (en) | 2017-04-28 | 2017-04-28 | A kind of type nasal filter for respiration |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710294422.8A CN107126645B (en) | 2017-04-28 | 2017-04-28 | A kind of type nasal filter for respiration |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107126645A CN107126645A (en) | 2017-09-05 |
| CN107126645B true CN107126645B (en) | 2019-08-27 |
Family
ID=59716724
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710294422.8A Active CN107126645B (en) | 2017-04-28 | 2017-04-28 | A kind of type nasal filter for respiration |
Country Status (1)
| Country | Link |
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| CN (1) | CN107126645B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2024519018A (en) * | 2021-07-30 | 2024-05-08 | 雷 王 | Nose Filter |
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|---|---|---|---|---|
| US1441906A (en) * | 1921-12-02 | 1923-01-09 | Beals Henry | Nostril protector |
| CN2044879U (en) * | 1988-08-05 | 1989-09-27 | 胡吉万 | Multifunction miniature respirator |
| CN2566883Y (en) * | 2002-09-17 | 2003-08-20 | 牛玉国 | Respiration filter |
| CN2678610Y (en) * | 2003-12-17 | 2005-02-16 | 周卓人 | Moisture keeping article stuck between nostril and upper lip |
| CN201082374Y (en) * | 2007-09-13 | 2008-07-09 | 杨晓彬 | Minitype oxygen purifying filter |
| CN201815013U (en) * | 2010-06-24 | 2011-05-04 | 新乡市驼人医疗器械有限公司 | Anti-bacterium filter nosal plug |
| CN203763710U (en) * | 2014-04-01 | 2014-08-13 | 武汉大学 | Nasal cavity filter |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01130748U (en) * | 1988-03-01 | 1989-09-05 |
-
2017
- 2017-04-28 CN CN201710294422.8A patent/CN107126645B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1441906A (en) * | 1921-12-02 | 1923-01-09 | Beals Henry | Nostril protector |
| CN2044879U (en) * | 1988-08-05 | 1989-09-27 | 胡吉万 | Multifunction miniature respirator |
| CN2566883Y (en) * | 2002-09-17 | 2003-08-20 | 牛玉国 | Respiration filter |
| CN2678610Y (en) * | 2003-12-17 | 2005-02-16 | 周卓人 | Moisture keeping article stuck between nostril and upper lip |
| CN201082374Y (en) * | 2007-09-13 | 2008-07-09 | 杨晓彬 | Minitype oxygen purifying filter |
| CN201815013U (en) * | 2010-06-24 | 2011-05-04 | 新乡市驼人医疗器械有限公司 | Anti-bacterium filter nosal plug |
| CN203763710U (en) * | 2014-04-01 | 2014-08-13 | 武汉大学 | Nasal cavity filter |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107126645A (en) | 2017-09-05 |
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