CN206325087U - A kind of aerating system and lung ventilator - Google Patents

A kind of aerating system and lung ventilator Download PDF

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Publication number
CN206325087U
CN206325087U CN201620946853.9U CN201620946853U CN206325087U CN 206325087 U CN206325087 U CN 206325087U CN 201620946853 U CN201620946853 U CN 201620946853U CN 206325087 U CN206325087 U CN 206325087U
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China
Prior art keywords
valve
mechanical
breathing
eduction
aerating system
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CN201620946853.9U
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Inventor
顾晓龙
窦清理
刘存志
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Shenzhen Security Medical Technology Co ltd
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Ambulanc Shenzhen Tech Co Ltd
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Abstract

The utility model embodiment discloses a kind of aerating system and lung ventilator.The system includes main frame, breather valve and mechanical eduction valve;The main frame is connected with the breather valve by the first breathing pipeline;The breather valve is supplied by the second breathing pipeline for user;Second breathing pipeline includes first interface;The mechanical eduction valve includes lose heart entrance and air bleed outlets;The discouraged entrance of the mechanical eduction valve is connected with the first interface;The air bleed outlets of the mechanical eduction valve pass through the first check valve and atmosphere.The utility model embodiment is by using above-mentioned technical proposal so that breathing apparatus can provide the user relatively low tidal volume, and design cost is low, easily realizes.

Description

A kind of aerating system and lung ventilator
Technical field
The utility model embodiment is related to technical field of medical instruments, more particularly to a kind of aerating system and lung ventilator.
Background technology
In current clinical medicine, lung ventilator has been commonly used in various medical scenes, the breathing as caused by a variety of causes Anesthesia respiration management, Breathing Suppotion treatment and emergency resuscitation during exhaustion, major operation etc., lung ventilator is in Modern Medical Field Occupy highly important position.And emergency transportation lung ventilator is then in first aid and transport process are carried out to Cavity in Critical Patients, to build Stand most basic in effective artificial ventilation, also the Medical Devices of most critical.
At present, the patient in emergency transportation lung ventilator mostly suitable for tidal volumes such as children, adults more than 50ml, but for Premature, particularly underweight 1.5kg premature, according to clinical kg body weight and the relation of tidal volume, calculating is obtained Tidal volume needed for 1.5kg premature is only 12mL, and existing emergency transportation lung ventilator is almost not used to such premature labor Among the emergency transportation process of youngster.Although hospital can be turned using the special lung ventilator of neonate of import to such patient Fortune, but the price of such import lung ventilator is almost 10 times of common emergency transportation lung ventilator even more many, and the kind equipments Follow-up maintenance is expensive so that the acquisition cost and treatment cost of such import equipment are high.If specially design neonate is special Be not the special emergency transportation lung ventilator of premature, then need high-end critical component, such as highly sensitive pressure sensor, Flow sensor and valve etc., its design cost are higher, and the stability for the equipment aerating system that can not ensure respiration.
The content of the invention
In view of this, the utility model embodiment proposes a kind of aerating system and lung ventilator, is set with solving existing breathing It is standby that relatively low tidal volume and the high technological deficiency of exploitation design cost can not be provided.
In a first aspect, the utility model embodiment provides a kind of aerating system, including:
Main frame, breather valve and mechanical eduction valve;
The main frame is connected with the breather valve by the first breathing pipeline;
The breather valve is supplied by the second breathing pipeline for user;
Second breathing pipeline includes first interface;
The mechanical eduction valve includes lose heart entrance and air bleed outlets;
The discouraged entrance of the mechanical eduction valve is connected with the first interface;The air bleed outlets of the mechanical eduction valve lead to Cross the first check valve and atmosphere.
Second aspect, the utility model embodiment provides a kind of lung ventilator, is provided using the utility model embodiment Aerating system.
The technical scheme that the utility model embodiment is provided, it is defeated to main frame by setting mechanical eduction valve on breathing pipeline The tidal volume gone out carries out aerial drainage so that breathing apparatus can provide the user relatively low tidal volume, and design cost is low, Yi Shi It is existing.
Brief description of the drawings
, below will be to the utility model embodiment in order to illustrate more clearly of the technical scheme in the utility model embodiment The accompanying drawing to be used needed for description is briefly described, it should be apparent that, drawings in the following description are only that this practicality is new Some embodiments of type, for those of ordinary skill in the art, on the premise of not paying creative work, can be with root Other accompanying drawings are obtained according to the content and these accompanying drawings of the utility model embodiment.
Fig. 1 is a kind of structural representation for aerating system that the utility model embodiment one is provided;
Fig. 2 is a kind of structural representation for aerating system that the utility model embodiment two is provided;
Fig. 3 is a kind of structural representation for aerating system that the utility model embodiment three is provided.
Embodiment
To make the utility model technical problem solved, the technical scheme used and the technique effect reached clearer, The technical scheme of the utility model embodiment is described in further detail below in conjunction with accompanying drawing, it is clear that described reality It is only a part of embodiment of the utility model to apply example, rather than whole embodiments.Based on the embodiment in the utility model, The every other embodiment that those skilled in the art are obtained under the premise of creative work is not made, belongs to this practicality new The scope of type protection.
Embodiment one
Fig. 1 is a kind of structural representation for aerating system that the utility model embodiment one is provided, and the system can typically collect Into in breathing apparatus.As shown in figure 1, the system can include:
Main frame 110, breather valve 120 and mechanical eduction valve 130;
Main frame 110 is connected with breather valve 120 by the first breathing pipeline 140;
Breather valve 120 is supplied by the second breathing pipeline 150 for user 160;
Second breathing pipeline 150 includes first interface 151;
Mechanical eduction valve 130 includes lose heart entrance 131 and air bleed outlets 132;
The discouraged entrance 131 of mechanical eduction valve 130 is connected with above-mentioned first interface 151;Mechanical eduction valve 130 it is discouraged go out Mouth 132 passes through the first check valve (not shown) and atmosphere.
Typically, the main frame 110 of breathing apparatus can be controlled to the tidal volume that breathing apparatus is exported, and generally set breathing The gas flow referred to as tidal volume exported during the standby supply for user 160, main frame 110 can be according to ventilating mode set in advance and ginseng Number conveys gas to user 160.Breather valve 120 is used to ensure the first breathing pipeline 140 and the interior air-flow of the second breathing pipeline 150 Unicity.Mechanical eduction valve 130 is used to carry out aerial drainage to the tidal volume in the second breathing pipeline 150, i.e., by the second breathing pipeline Portion gas in 150 lets out.
Exemplary, the aerating system that the utility model embodiment is provided goes for newborn emergency transhipment breathing In equipment.The gas of breathing apparatus output is exported by the outlet interface 111 of main frame 110, is arrived after the first breathing pipeline 140 Up to breather valve 120, in 160 air-breathing of user, the inlet valve (not shown) in breather valve 120 is opened, and gas enters the second breathing Pipeline 150, the mechanical eduction valve 130 set on the second breathing pipeline 150 is by a part of gas in the second breathing pipeline 150 Let out, so that reaching the tidal volume of user terminal can be reduced to the tidal volume needed for user 160.For example, main frame 110 The tidal volume of output is 60mL, and the tidal volume needed for user 160 is 10mL, now then adjusts mechanical eduction valve 130, makes machinery The tidal volume that eduction valve 130 releases is 50mL so that breathing apparatus can provide 10mL tidal volume for user 160.
The technical scheme provided using the utility model embodiment is carried out to the aerating system of existing emergency transportation lung ventilator After improvement, emergency transportation is carried out to the neonates of 100 or so and tried out, is as a result shown, the lung ventilator after improvement can be new life Youngster provides good supply.
The technical scheme that the utility model embodiment is provided, sets mechanical aerial drainage on the breathing pipeline of existing breathing apparatus Valve, the tidal volume for being exported main frame by mechanical eduction valve carries out aerial drainage, is supplied to user to use the gas after aerial drainage so that Breathing apparatus can be provided the user compared with low tidal volumes, and design cost is low, simple in construction, and using effect is good.
On the basis of above-described embodiment, above-mentioned mechanical eduction valve can be needle-valve or ball valve.
On the basis of above-described embodiment, above-mentioned mechanical eduction valve can also include the first regulating member;
First regulating member is located on above-mentioned mechanical eduction valve, the aperture for adjusting above-mentioned mechanical eduction valve.
Exemplary, when the aerating system for using the utility model embodiment to provide supplies for user, worked as according to user Preceding breathing state determines the tidal volume needed for user, the tidal volume of tidal volume and main frame output according to needed for user, really Fixed corresponding vent flow, adjusts above-mentioned first regulating member, mechanical eduction valve is met above-mentioned corresponding vent flow manually.With Family receives after a period of time treatment, and its breathing state can change, and the tidal volume needed for user can also change, if main frame Export that tidal volume is constant, then vent flow need to be changed, now, tidal volume after change and main frame output according to needed for user Tidal volume, above-mentioned first regulating member is adjusted manually to change the vent flow of mechanical eduction valve.The utility model embodiment is carried The technical scheme of confession, by changing the vent flow of mechanical eduction valve to the regulation of the first regulating member, it is achieved thereby that to use Family carries out energy control for need, improves Consumer's Experience.
On the basis of above-described embodiment, above-mentioned breather valve can include gas access, air-breathing interface and exhalation vents;
The gas access of above-mentioned breather valve is connected by first breathing pipeline with the outlet interface of the main frame;
The air-breathing interface of above-mentioned breather valve is connected by the second check valve with the gas access of second breathing pipeline;
The exhalation vents of above-mentioned breather valve pass through the 3rd check valve and atmosphere.
It is exemplary, check valve be for make air-flow can only a direction flowing and be unable to the direction controlling of reverse flow Valve.In suction condition, the check valve of air-breathing interface is opened, and the tidal volume of main frame output is exhaled from the first breathing pipeline into second Suction pipe road, is supplied to user after aerial drainage;In expiration state, the check valve of air-breathing interface is closed, and is exhaled out The check valve of mouth is opened, and the waste gas in the second breathing pipeline is discharged.Can be in the form of single breathing pipeline by breather valve User supplies so that aerating system structure is simpler.And mechanical eduction valve is constantly in open mode so that exhaled in user When, waste gas can be discharged by the exhalation vents of mechanical eduction valve and breather valve simultaneously, accelerated the velocity of discharge of waste gas, entered one Step improves the usage experience of user
Embodiment two
Fig. 2 is a kind of structural representation for aerating system that the utility model embodiment two is provided, and the present embodiment is above-mentioned Optimized on the basis of embodiment, there is provided mechanical safety valve, the system can be typically integrated in breathing apparatus.Such as Fig. 2 institutes Show, the system includes:Main frame 210, breather valve 220, mechanical eduction valve 230 and mechanical safety valve 270.Wherein, main frame 210 is with exhaling Valve 220 is inhaled to connect by the first breathing pipeline 240;Breather valve 220 is supplied by the second breathing pipeline 250 for user 260.
Above-mentioned second breathing pipeline 250 includes second interface 252;The gas access 271 of mechanical safety valve 270 and above-mentioned the Two interfaces 252 are connected;The gas vent 272 of mechanical safety valve 270 passes through two-way valve (not shown) and atmosphere.
It is exemplary, two-way valve be for make air-flow can either forward flow again can reverse flow directional control valve.This The aerating system that utility model embodiment is provided, by setting two-way machinery on the second breathing pipeline 250 of breathing apparatus Safety valve 270 so that when the airway pressure of the second breathing pipeline 250 is too high, can be by the gas in the second breathing pipeline 250 Discharged by mechanical safety valve 270, i.e., it is positive to open;When the airway pressure of the second breathing pipeline 250 is too low, outside can be made Gas is entered in the second breathing pipeline 250 by mechanical safety valve 270, i.e., reverse to open, and is supplied in time for user 260.Typically , when the airway pressure of the second breathing pipeline 250 is in negative pressure state, mechanical safety valve 270 can be opened inversely.
The aerating system that the utility model embodiment is provided, when the airway pressure of breathing pipeline is too high, mechanical safety valve It positive can open, the gas in breathing pipeline discharged, reduce the airway pressure of breathing pipeline, it is ensured that the breathing of user is relaxed Adaptive and the safety of user, when due to the reasons such as hostdown cause breathing apparatus stop supply when, airway pressure is too low, machinery Safety valve can be opened inversely, enter breathing pipeline by mechanical safety valve by extraneous gas, gas is provided the user in time, is entered One step ensure that the safety of user, improve the safety and reliability of breathing apparatus.
On the basis of above-described embodiment, above-mentioned mechanical safety valve is preferably spring loaded safety valve.
Typically, spring loaded safety valve using the power and the power that acts on flap of compression spring come the unlatching of control valve With closing.General, spring loaded safety valve has corresponding Opening pressure, and Opening pressure refers to that spring loaded safety valve is started to open at When act on the pressure on flap, at this pressure, the gas in breathing pipeline starts discharge, in the utility model embodiment Airway pressure in breathing pipeline is the power acted on spring loaded safety valve flap.When the airway pressure of breathing pipeline is too high When, that is, when the power acted on above-mentioned flap is more than the power of compression spring, spring loaded safety valve is opened so that in breathing pipeline Gas is expelled to outside atmosphere by spring loaded safety valve.Similar, when the airway pressure of breathing pipeline is too low, outside atmosphere The breathing pipeline of user can be flowed into by spring loaded safety valve.Exemplary, when the airway pressure in breathing pipeline is in negative pressure During state, outside atmosphere can be supplied into breathing pipeline for user.
On the basis of above-described embodiment, above-mentioned mechanical safety valve can also include the second regulating member;
Above-mentioned second regulating member is located on mechanical safety valve, the pressure limit for adjusting mechanical safety valve.
Exemplary, above-mentioned second regulating member can be the adjusting nut set on spring loaded safety valve, can pass through Rotate adjusting nut to adjust the decrement of mechanical safety valve inner spring, can be changed mechanically by the decrement for adjusting spring The Opening pressure of safety valve, namely mechanical safety valve pressure limit.When the airway pressure in breathing pipeline is more than compression spring Power when, mechanical safety valve is opened, and the gas in breathing pipeline crosses mechanical safety valve and flows out to outside atmosphere.Exemplary, For in neonatal emergency transportation lung ventilator, the pressure limit of mechanical safety valve can be adjusted in 10 centimeter water column~15 li In the range of meter water column.
The technical scheme that the utility model embodiment is provided, can change mechanical safety valve by adjusting the second regulating member Pressure limit so that using breathing apparatus be user supply when, machine can be adjusted according to the use demand of different user The pressure limit of tool safety valve, further ensure that the safety of user, improve the reliability of breathing apparatus.
Embodiment three
Fig. 3 is a kind of structural representation for aerating system that the utility model embodiment three is provided, and the present embodiment is above-mentioned Optimized on the basis of embodiment, there is provided flow sensor, the system can be typically integrated in breathing apparatus.Such as Fig. 3 institutes Show, the system includes:Main frame 310, breather valve 320, mechanical eduction valve 330, mechanical safety valve 370 and flow sensor 380.Its In, main frame 310 is connected with breather valve 320 by the first breathing pipeline 340;Breather valve 320 is use by the second breathing pipeline 350 Family 360 is supplied.
Flow sensor 380 is supplied after being connected with the gas vent 353 of the second breathing pipeline 350 for user 360;And And flow sensor 380 is electrically connected with main frame 310.
It is exemplary, when the tidal volume that main frame 310 is exported is more than the tidal volume needed for user 360, pass through mechanical eduction valve The tidal volume that 330 pairs of main frames 310 are exported is carried out after aerial drainage and flow sensor 380 of connecting, and is delivered to user 360, i.e., second exhales The gas vent 353 on suction pipe road 350 is connected with the gas access 381 of flow sensor 380, and gas is through flow sensor 380 Gas vent 382 is delivered to user 360.Now, flow sensor 380 can detect and obtain the reality for being delivered to user 360 Tidal volume, and the actual tidal volume data are sent to main frame 310 so that tide of the associative operation personnel according to needed for user 360 Tolerance adjusts the aperture of mechanical eduction valve 330, so that vent flow is adjusted, to ensure the actual tidal volume for being supplied to user 360 Meet user's request.
The utility model embodiment detects the actual tidal volume for being delivered to user by using flow sensor, makes main frame The actual tidal volume for being delivered to user can be monitored in real time, and can adjust aerial drainage according to the actual tidal volume of user is delivered to Amount, it is ensured that the actual tidal volume for being delivered to user meets the demand of user, improves the safety and stability of air supply system.
On the basis of above-described embodiment, the gas access of above-mentioned flow sensor can also be with second breathing pipeline First interface connection;The gas vent of above-mentioned flow sensor is connected with the discouraged entrance of above-mentioned mechanical eduction valve;And on Flow sensor is stated to electrically connect with main frame.
Example IV
The utility model embodiment provides a kind of lung ventilator, and the lung ventilator is integrated with the utility model any embodiment and carried The aerating system of confession, the aerating system that can be provided by the utility model any embodiment is supplied for user.
Exemplary, the lung ventilator that the utility model embodiment is provided is specifically as follows emergency transportation lung ventilator, can be used for Supplied for children, children, adult, especially premature.
Can be user according to user's request when the lung ventilator provided using the utility model embodiment is supplied for user Relatively low tidal volume is provided, and ensure that and safely and effectively supplied for user, and design cost is low, easily realizes, pacifies Quan Xinggao, using effect is good.
Above content is only preferred embodiment of the present utility model, for one of ordinary skill in the art, according to this reality With new thought, it will change in specific embodiments and applications, this specification content should not be construed as To limitation of the present utility model.

Claims (10)

1. a kind of aerating system, it is characterised in that including:
Main frame, breather valve and mechanical eduction valve;
The main frame is connected with the breather valve by the first breathing pipeline;
The breather valve is supplied by the second breathing pipeline for user;
Second breathing pipeline includes first interface;
The mechanical eduction valve includes lose heart entrance and air bleed outlets;
The discouraged entrance of the mechanical eduction valve is connected with the first interface;The air bleed outlets of the mechanical eduction valve pass through One check valve and atmosphere.
2. aerating system as claimed in claim 1, it is characterised in that
The mechanical eduction valve includes the first regulating member;
First regulating member is located on the mechanical eduction valve, the aperture for adjusting the mechanical eduction valve.
3. aerating system as claimed in claim 2, it is characterised in that
The breather valve includes gas access, air-breathing interface and exhalation vents;
The gas access of the breather valve is connected by first breathing pipeline with the outlet interface of the main frame;
The air-breathing interface of the breather valve is connected by the second check valve with the gas access of second breathing pipeline;
The exhalation vents of the breather valve pass through the 3rd check valve and atmosphere.
4. aerating system as claimed in claim 1, it is characterised in that
Including mechanical safety valve;
Second breathing pipeline includes second interface;
The gas access of the mechanical safety valve is connected with the second interface;The gas vent of the mechanical safety valve passes through double To valve and atmosphere.
5. aerating system as claimed in claim 4, it is characterised in that
The mechanical safety valve includes the second regulating member;
Second regulating member is located on mechanical safety valve, the pressure limit for adjusting the mechanical safety valve.
6. the aerating system as described in claim 4 or 5, it is characterised in that
The mechanical safety valve is spring loaded safety valve.
7. the aerating system as described in Claims 1 to 4 any one, it is characterised in that
The mechanical eduction valve is needle-valve or ball valve.
8. aerating system as claimed in claim 1, it is characterised in that including:
Flow sensor;
The flow sensor is that the user is supplied after being connected with the gas vent of second breathing pipeline;And institute Flow sensor is stated to electrically connect with the main frame.
9. aerating system as claimed in claim 1, it is characterised in that
Including flow sensor;
The gas access of the flow sensor is connected with the first interface of second breathing pipeline;The flow sensor Gas vent is connected with the discouraged entrance of the mechanical eduction valve;And the flow sensor is electrically connected with the main frame.
10. a kind of lung ventilator, it is characterised in that use aerating system as claimed in any one of claims 1 to 9 wherein.
CN201620946853.9U 2016-08-26 2016-08-26 A kind of aerating system and lung ventilator Active CN206325087U (en)

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CN201620946853.9U CN206325087U (en) 2016-08-26 2016-08-26 A kind of aerating system and lung ventilator

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Application Number Priority Date Filing Date Title
CN201620946853.9U CN206325087U (en) 2016-08-26 2016-08-26 A kind of aerating system and lung ventilator

Publications (1)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106267490A (en) * 2016-08-26 2017-01-04 深圳市安保科技有限公司 A kind of aerating system and respirator

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106267490A (en) * 2016-08-26 2017-01-04 深圳市安保科技有限公司 A kind of aerating system and respirator

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Address after: A1302, Shenzhen national engineering laboratory building, No. 20, Gaoxin South 7th Road, Gaoxin community, Yuehai street, Nanshan District, Shenzhen, Guangdong 518052

Patentee after: Shenzhen Security Medical Technology Co.,Ltd.

Address before: 518052 East Shenzhen Security Technology Co., Ltd. on the third floor of Block A, Nanyuan Road, Nanyuan Industrial Park, Nanshan District, Shenzhen City, Guangdong Province

Patentee before: AMBULANC (SHENZHEN) TECH. Co.,Ltd.

CP03 Change of name, title or address