CN207666957U - Lung ventilator one-way gas flow breathing mask - Google Patents

Lung ventilator one-way gas flow breathing mask Download PDF

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Publication number
CN207666957U
CN207666957U CN201720578439.1U CN201720578439U CN207666957U CN 207666957 U CN207666957 U CN 207666957U CN 201720578439 U CN201720578439 U CN 201720578439U CN 207666957 U CN207666957 U CN 207666957U
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China
Prior art keywords
breathing mask
diaphragm seal
check valve
room
nose
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CN201720578439.1U
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Chinese (zh)
Inventor
陈蕾
乔薇
李宏亮
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China Japan Friendship Hospital
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China Japan Friendship Hospital
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Abstract

This disclosure relates to a kind of lung ventilator one-way gas flow breathing mask, the breathing mask includes breathing mask ontology (1) and demarcation strip (2), the nose room (3) and mouth room (4) of fluid isolation when the inner space of breathing mask ontology (1) is divided into wearing by the demarcation strip (2);The nose room (3) is connected to by lung ventilator connecting line (6) with breathing mask ontology (1) lateral fluid, the first check valve (5) is provided in the lung ventilator connecting line (6), the nose room (3) is only capable of carrying out air inlet by first check valve (5);It is provided with the second check valve (7) on breathing mask ontology (1) where the mouth room (4), so that the mouth room (4) is only capable of carrying out outlet by second check valve (7).The lung ventilator one-way gas flow breathing mask that the disclosure provides can force user to carry out nose and face expiration, to improve the effciency of respiratory.

Description

Lung ventilator one-way gas flow breathing mask
Technical field
This disclosure relates to a kind of lung ventilator one-way gas flow breathing mask.
Background technology
It is significantly affected studies have shown that breathing pattern has the effciency of respiratory.For example, mouth goes out into nose goes out with nose import Compared with mouth import goes out the breathing pattern gone out into nose with nose, the carbon dioxide due to avoiding ccavum oropharygeum repeats to inhale breathing pattern Enter, about reduce 50 milliliters, is equivalent to the respiratory system physiology anatomical dead space of human body 1/3, greatly improves the effciency of respiratory, accordingly Respiratory rate is reduced, breathing acting is reduced.
Cavity on the inside of existing breathing mask is connected to nasal cavity and oral cavity simultaneously, thereby using person can according to the custom of oneself into Row breathing, and progress mouth can not be forced to go out the breathing pattern gone out with nose import into nose.In addition, cavity itself constitutes additionally dead again Chamber increases the repetition sucking of carbon dioxide.
Utility model content
Purpose of this disclosure is to provide the unidirectional gas of lung ventilator that a kind of lung ventilator one-way gas flow breathing mask, the disclosure provide Stream breathing mask can force user to carry out nose and face expiration, to reduce upper respiratory tract physiology anatomical dead space, Improve the effciency of respiratory.
To achieve the goals above, the disclosure provides a kind of lung ventilator one-way gas flow breathing mask, the breathing mask packet Include breathing mask ontology and demarcation strip, the fluid isolation when inner space of breathing mask ontology is divided into wearing by the demarcation strip Nose room and mouth room;The nose room is in fluid communication by lung ventilator connecting line and the breathing mask outer body, described to exhale The first check valve is provided in suction machine connecting line, the nose room is only capable of carrying out air inlet by first check valve;The mouth room It is provided with the second check valve on the breathing mask ontology of place, so that the mouth room is only capable of carrying out outlet by second check valve.
Optionally, the top of the breathing mask ontology is formed with the extended segment for fixing bandage, the extended segment it is interior Side is formed with shield volume pad.
Optionally, the shield volume pad is the hose extended along the extended segment.
Optionally, the breathing mask is prepared by silica gel, rubber or resin material.
Optionally, first check valve includes tube body and the first diaphragm seal in the tube body and diaphragm seal One end of fixed frame, the tube body is the first one-way valved outlet, and the other end is the first one-way valve inlet;First diaphragm seal and Diaphragm seal fixed frame is close to, and first diaphragm seal is located at first one-way valved outlet side so that first check valve Inlet induction can detach first diaphragm seal and diaphragm seal holder segment.
Optionally, the diaphragm seal fixed frame includes being close to the toroidal frame of the tube body and being fixed in the toroidal frame Cross, first diaphragm seal are disk and are radially mutually fixed with a holder of the cross.
Optionally, the diaphragm seal fixed frame is from a side of first one-way valve inlet to first one-way valved outlet Side protrusion.
Optionally, second check valve being connected to mouth room is pressure limiting valve, and the Opening pressure of the pressure limiting valve is 2-10 lis Meter water column.
Optionally, second check valve includes the air inlet pipe and an air outlet pipe coaxially to connect, and the internal diameter of the air inlet pipe is small In the internal diameter of the escape pipe, the escape pipe is disposed with the second diaphragm seal, the bullet being fixedly connected two-by-two along outgassing direction Spring and spring limiting part;Second diaphragm seal is disk, and diameter is less than the internal diameter of the escape pipe, is more than the air inlet pipe Internal diameter.
Optionally, the spring limiting part is circular screen mesh or the annulus of the inner wall protrusion from the escape pipe.
The nose room and mouth room of fluid isolation when the lung ventilator one-way gas flow breathing mask that the disclosure provides is worn by being arranged, And nose room is only capable of carrying out air-breathing, and mouth room is only capable of exhaling, and user can be forced to carry out the breathing pattern that nose import goes out, into And improve the effciency of respiratory.
In addition, the second check valve of the disclosure is set as pressure limiting valve, breath pressure can be made automatic after less than preset pressure It closes, to maintain expiratory phase intra-airway pressure, prevents small airway and alveolar collapse, increase end-tidal Pulmonary volume, be suitable for suffering from There is the patient of Chronic Obstructive Pulmonary Disease, asthma.
Other feature and advantage of the disclosure will be described in detail in subsequent specific embodiment part.
Description of the drawings
Attached drawing is for providing further understanding of the disclosure, and a part for constitution instruction, with following tool Body embodiment is used to explain the disclosure together, but does not constitute the limitation to the disclosure.In the accompanying drawings:
Fig. 1 is a kind of structural schematic diagram of specific implementation mode of disclosure lung ventilator one-way gas flow breathing mask.
Fig. 2 is a kind of structural schematic diagram of specific implementation mode of the first check valve of the disclosure.
Fig. 3 is the first diaphragm seal of the disclosure and a kind of structural schematic diagram of specific implementation mode of diaphragm seal fixed frame.
Fig. 4 is a kind of structural schematic diagram of specific implementation mode of the second check valve of the disclosure.
Fig. 5 is the structural schematic diagram of disclosure lung ventilator one-way gas flow breathing mask another kind specific implementation mode.
Reference sign
1 breathing mask ontology
2 demarcation strips
3 nose rooms
4 mouthfuls of rooms
5 first check valve, 51 tube body, 52 first diaphragm seal
53 diaphragm seal fixed frame, 531 toroidal frame, 532 cross
6 lung ventilator connecting lines
7 second check valve, 71 air inlet pipe, 72 escape pipe
73 second diaphragm seal, 74 spring, 75 spring limiting part
Volume pad is protected in 8 extended segments 81
Specific implementation mode
The specific implementation mode of the disclosure is described in detail below in conjunction with attached drawing.It should be understood that this place is retouched The specific implementation mode stated is only used for describing and explaining the disclosure, is not limited to the disclosure.
In the disclosure, in the absence of explanation to the contrary, the noun of locality used such as " upper and lower " typically refers to attached drawing side To refer to up and down, on the inside of breathing mask ontology breathing mask ontology and user's facial contact when wearing side.
As described in figures 1 and 5, the disclosure provides a kind of lung ventilator one-way gas flow breathing mask, and the breathing mask includes exhaling Inhale mask body 1 and demarcation strip 2, the fluid isolation when inner space of breathing mask ontology 1 is divided into wearing by the demarcation strip 2 Nose room 3 and mouth room 4;The nose room 3 is connected to by lung ventilator connecting line 6 with 1 lateral fluid of breathing mask ontology, institute It states and is provided with the first check valve 5 in lung ventilator connecting line 6, the nose room 3 is only capable of carrying out air inlet by first check valve 5; It is provided with the second check valve 7 on 4 place breathing mask ontology 1 of the mouth room, so that the mouth room 4 passes through second check valve 7 It is only capable of carrying out outlet.
The specifically used mode and principle for the lung ventilator one-way gas flow breathing mask that the disclosure is provided be:User will exhale Suction machine connecting line 6 connects lung ventilator, and nasal cavity 3 is made to be in fluid communication with lung ventilator.At this point, the edge of 1 inside of breathing mask ontology It is adapted and is close to user's facial contours, to make to form inside sky between the face of user and breathing mask ontology 1 Between, and the space has been divided into nose room 3 and mouth room 4 by demarcation strip 2, and the free end of demarcation strip 2 and user's face are mutually tight It pasting, at this time 4 fluid isolation of nose room 3 and mouth room, the gas breathed out from user mouthful cannot be introduced into nose room 4, similarly, from The gas that lung ventilator enters nose room 3 also cannot be introduced into mouthful room.Then, by coordinating the first check valve 5 and the second check valve 7, Make user pass through nose room to be only capable of carrying out air-breathing, is only capable of exhaling by mouth room, to force user using nose import to go out Breathing pattern, increase the effciency of respiratory.
Breathing mask ontology 1 is generally fixed on user head by bandage, for example, as shown in figure 5, the breathing mask The top of ontology 1 is formed with the extended segment 8 for fixing bandage, can fix bandage and coordinate being fixed on by the extended segment 8 The bandage at 1 middle part of breathing mask ontology is used together, and breathing mask ontology 1 is fixed on user head.This prolongs in order to prevent It stretches section 8 and causes extravasated blood or skin ulceration due to being bonded for a long time with user's forehead, as shown in figure 5, the inside of the extended segment 8 can be with It is formed with shield volume pad 81, the shield volume pad 81 is the material preparation with elasticity and pro-skin, such as can be along the extended segment 8 The hose of extension.
Breathing mask, should be by nontoxic material due to contacting the air into human body and being in contact with skin It prepares, for example, the breathing mask is by the preparation of silica gel, rubber or resin material, preferably resin material.
Check valve is well-known to those skilled in the art, and the existing check valve that can effectively prevent gas backstreaming can be made It is applied in the breathing mask of the disclosure for the first check valve and the second check valve.
In order to make gas in lung ventilator easily enter nose room, air-breathing acting is reduced, it should make the unlatching of first check valve Pressure is small.A kind of specific implementation mode, as Figure 2-3, first check valve 5 is including tube body 51 and is located at the pipe One end of the first diaphragm seal 52 in body 51 and diaphragm seal fixed frame 53, the tube body 51 is the first one-way valved outlet, the other end For the first one-way valve inlet;First diaphragm seal 52 and diaphragm seal fixed frame 53 are close to, and first diaphragm seal 52 is located at First one-way valved outlet side is so that the first one-way valve inlet air inlet can be by first diaphragm seal 52 and sealing Piece fixed frame 53 is partially separated.The diaphragm seal fixed frame 53 includes being close to the toroidal frame 531 of the tube body 51 and being fixed on institute State the cross 532 in toroidal frame 531, first diaphragm seal 52 is disk and radially one with the cross 532 Holder is mutually fixed.Using the check valve of this kind of form, when air-breathing, need to only inhale out the first diaphragm seal 52, due to nose room when expiration Pressure is positive pressure so that the first diaphragm seal 52 can be attached on diaphragm seal fixed frame 53, make user that can not exhale by nose room. In addition, in order to improve sealing effect, the diaphragm seal fixed frame 53 can be to described from the side of first one-way valve inlet The side protrusion of first one-way valved outlet, this kind of mode can slightly improve the pressure of air-breathing but while improve sealing effect.
A kind of embodiment, second check valve 7 can be pressure limiting valve, and the Opening pressure of the pressure limiting valve is 2-10 centimetres The breath pressure of water column, i.e. user is greater than 2-10 centimeter water column ability exhaled gas, breath pressure can be made less than pre- If being automatically closed after pressure, to maintain expiratory phase intra-airway pressure, small airway and alveolar collapse are prevented, increases end-tidal lung and holds Product is suitable for the patient with Chronic Obstructive Pulmonary Disease, asthma.
A kind of specific implementation mode of second check valve, as shown in figure 4, second check valve 7 includes coaxially connecting Air inlet pipe 71 and escape pipe 72, the internal diameter of the air inlet pipe 71 are less than the internal diameter of the escape pipe 72, and the escape pipe 72 is along going out Gas direction is disposed with the second diaphragm seal 73, spring 74 and the spring limiting part 75 being fixedly connected two-by-two;Second sealing Piece 73 is disk, and diameter is less than the internal diameter of the escape pipe 72, is more than the internal diameter of the air inlet pipe 71.Second check valve makes Used time, if not exhaling, the pressure on the inside of the second check valve is equal to or slightly greater than the pressure in outside, and mouth indoor insufficient pressure is to press Compel spring open-top second diaphragm seal 73 simultaneously, to make 7 fluid isolation free surrounding space of the second check valve and mouth room.When user is logical When crossing the expiration of mouth room, since the pressure of mouth room is higher than extraneous pressure, to make 73 pressuring spring 74 of the second diaphragm seal be received Contracting, air inlet pipe 71 and escape pipe 72 are in fluid communication at this time.At the end of expiration is intended to, mouth room pressure reduces, and spring 74 will Second diaphragm seal 73 pushes up go back to original position, to maintain expiratory phase intra-airway pressure, prevents small airway and alveolar collapse, increases end-tidal Pulmonary volume.According to the breath pressure of user, the spring of different elasticity can be chosen, and then control the Opening pressure of check valve. In addition, according to different needs, the spring limiting part 75 is circular screen mesh or the circle of the inner wall protrusion from the escape pipe 72 Ring, circular screen mesh help to filter the particulate matter in air, prevent from blocking the second check valve.
The preferred embodiment of the disclosure is described in detail above in association with attached drawing, still, the disclosure is not limited to above-mentioned reality The detail in mode is applied, in the range of the technology design of the disclosure, a variety of letters can be carried out to the technical solution of the disclosure Monotropic type, these simple variants belong to the protection domain of the disclosure.
It is further to note that specific technical features described in the above specific embodiments, in not lance In the case of shield, can be combined by any suitable means, in order to avoid unnecessary repetition, the disclosure to it is various can The combination of energy no longer separately illustrates.
In addition, arbitrary combination can also be carried out between a variety of different embodiments of the disclosure, as long as it is without prejudice to originally Disclosed thought equally should be considered as disclosure disclosure of that.

Claims (10)

1. a kind of lung ventilator one-way gas flow breathing mask, which is characterized in that the breathing mask include breathing mask ontology (1) and Demarcation strip (2), the nose room of fluid isolation when the inner space of breathing mask ontology (1) is divided into wearing by the demarcation strip (2) (3) and mouth room (4);
The nose room (3) is connected to by lung ventilator connecting line (6) with breathing mask ontology (1) lateral fluid, described to exhale The first check valve (5) is provided in suction machine connecting line (6), the nose room (3) is only capable of by first check valve (5) into traveling Gas;
It is provided with the second check valve (7) on breathing mask ontology (1) where the mouth room (4), so that the mouth room (4) passes through this Second check valve (7) is only capable of carrying out outlet.
2. breathing mask according to claim 1, which is characterized in that the top of the breathing mask ontology (1) is formed with Extended segment (8) for fixing bandage is formed with shield volume pad (81) on the inside of the extended segment (8).
3. breathing mask according to claim 2, which is characterized in that the shield volume pad (81) is along the extended segment (8) The hose of extension.
4. breathing mask according to claim 1, which is characterized in that the breathing mask is by silica gel, rubber or resinous wood It is prepared by material.
5. breathing mask according to claim 1, which is characterized in that first check valve (5) include tube body (51), with And the first diaphragm seal (52) in the tube body (51) and diaphragm seal fixed frame (53), one end of the tube body (51) are the One one-way valved outlet, the other end are the first one-way valve inlet;First diaphragm seal (52) and diaphragm seal fixed frame (53) are close to, And first diaphragm seal (52) is located at first one-way valved outlet side so that the first one-way valve inlet air inlet can First diaphragm seal (52) and diaphragm seal fixed frame (53) are partially separated.
6. breathing mask according to claim 5, which is characterized in that the diaphragm seal fixed frame (53) is described including being close to The toroidal frame (531) of tube body (51) and the cross (532) being fixed in the toroidal frame (531), first diaphragm seal (52) it is disk and is radially mutually fixed with a holder of the cross (532).
7. breathing mask according to claim 6, which is characterized in that the diaphragm seal fixed frame (53) is single from described first To the side protrusion of lateral first one-way valved outlet of valve inlet.
8. breathing mask according to claim 1, which is characterized in that second check valve (7) being connected to mouth room (4) Opening pressure for pressure limiting valve, the pressure limiting valve is 2-10 centimeter water columns.
9. breathing mask according to claim 8, which is characterized in that second check valve (7) includes coaxially connecting Air inlet pipe (71) and escape pipe (72), the internal diameter of the air inlet pipe (71) are less than the internal diameter of the escape pipe (72), the outlet Pipe (72) is disposed with the second diaphragm seal (73), spring (74) and spring limiting part being fixedly connected two-by-two along outgassing direction (75);Second diaphragm seal (73) is disk, and diameter is less than the internal diameter of the escape pipe (72), is more than the air inlet pipe (71) internal diameter.
10. breathing mask according to claim 9, which is characterized in that the spring limiting part (75) be circular screen mesh or From the annulus of the inner wall protrusion of the escape pipe (72).
CN201720578439.1U 2017-05-23 2017-05-23 Lung ventilator one-way gas flow breathing mask Active CN207666957U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201720578439.1U CN207666957U (en) 2017-05-23 2017-05-23 Lung ventilator one-way gas flow breathing mask

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201720578439.1U CN207666957U (en) 2017-05-23 2017-05-23 Lung ventilator one-way gas flow breathing mask

Publications (1)

Publication Number Publication Date
CN207666957U true CN207666957U (en) 2018-07-31

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Application Number Title Priority Date Filing Date
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Country Status (1)

Country Link
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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2021035306A1 (en) * 2019-08-31 2021-03-04 ResMed Pty Ltd Dual chamber patient interface with airflow regulation
CN112891769A (en) * 2021-02-10 2021-06-04 于从军 Atmospheric particulate isolation device, isolation kit and method

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2021035306A1 (en) * 2019-08-31 2021-03-04 ResMed Pty Ltd Dual chamber patient interface with airflow regulation
CN112891769A (en) * 2021-02-10 2021-06-04 于从军 Atmospheric particulate isolation device, isolation kit and method

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