CN106362256A - Respirator with air duct switching device - Google Patents

Respirator with air duct switching device Download PDF

Info

Publication number
CN106362256A
CN106362256A CN201610896928.1A CN201610896928A CN106362256A CN 106362256 A CN106362256 A CN 106362256A CN 201610896928 A CN201610896928 A CN 201610896928A CN 106362256 A CN106362256 A CN 106362256A
Authority
CN
China
Prior art keywords
air
main frame
humidifier
switching device
respirator
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN201610896928.1A
Other languages
Chinese (zh)
Other versions
CN106362256B (en
Inventor
华钊业
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Guangzhou and Health Technology Co., Ltd.
Original Assignee
NORTH-SOUTHERN ELECTRONICS Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by NORTH-SOUTHERN ELECTRONICS Ltd filed Critical NORTH-SOUTHERN ELECTRONICS Ltd
Priority to CN201610896928.1A priority Critical patent/CN106362256B/en
Publication of CN106362256A publication Critical patent/CN106362256A/en
Application granted granted Critical
Publication of CN106362256B publication Critical patent/CN106362256B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M16/00Devices for influencing the respiratory system of patients by gas treatment, e.g. mouth-to-mouth respiration; Tracheal tubes
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M16/00Devices for influencing the respiratory system of patients by gas treatment, e.g. mouth-to-mouth respiration; Tracheal tubes
    • A61M16/0003Accessories therefor, e.g. sensors, vibrators, negative pressure
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M16/00Devices for influencing the respiratory system of patients by gas treatment, e.g. mouth-to-mouth respiration; Tracheal tubes
    • A61M16/10Preparation of respiratory gases or vapours
    • A61M16/14Preparation of respiratory gases or vapours by mixing different fluids, one of them being in a liquid phase
    • A61M16/16Devices to humidify the respiration air
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M16/00Devices for influencing the respiratory system of patients by gas treatment, e.g. mouth-to-mouth respiration; Tracheal tubes
    • A61M16/20Valves specially adapted to medical respiratory devices
    • A61M16/201Controlled valves
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M2210/00Anatomical parts of the body
    • A61M2210/10Trunk
    • A61M2210/1025Respiratory system

Landscapes

  • Health & Medical Sciences (AREA)
  • Emergency Medicine (AREA)
  • Pulmonology (AREA)
  • Engineering & Computer Science (AREA)
  • Anesthesiology (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Hematology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Air Humidification (AREA)
  • Respiratory Apparatuses And Protective Means (AREA)

Abstract

The invention relates to the technical field of medical respiration equipment, in particular to a respirator with an air duct switching device. The respirator comprises a detachable main machine and a humidifier, wherein the main machine comprises a main machine air duct with a first air inlet and a first air outlet; a second air inlet and a second air outlet are formed in the humidifier; a third air outlet and a third air inlet matched with the second air inlet and the second air outlet are respectively formed in the main machine air duct; the air duct switching device is arranged on the main machine; when the main machine is separated from the humidifier, air can be fed from the first air inlet and is discharged out from the first air outlet; when the humidifier is mounted on the main machine, the air can be fed into one end of the main machine air duct from the first air inlet, passes through the third air outlet, the second air inlet, the second air outlet and the third air inlet in sequence, and is finally discharged out from the first air outlet. Due to adoption of the air duct switching device of the respirator, automatic switching of air ducts of the main machine can be achieved when the humidifier is mounted and dismounted, use of the main machine is not affected by mounting and dismounting in the use process, and the respirator is simple in structure and convenient to operate.

Description

A kind of respirator with air channel switching device
Technical field
The present invention relates to medical breathing apparatus technical field, more particularly to a kind of breathing with air channel switching device Machine.
Background technology
Respirator as a device with artificial ventilation function, has been commonly used to the breathing that a variety of causes leads to and has declined Exhaust, in the treatment of disease such as sleep apnea low-ventilatory syndrome, it occupies highly important position in Modern Medical Field Put.In order to reduce the dry discomfort with thing followed patient of patients with respiratory tract and related complication, respirator typically has Change the device of the humidity of breathable gas.Using being placed on respirator (continuous positive pressure venti lation device) and patient mask between Humidifier can produce humidification gas, and humidification gas makes the drying of nasal mucosa minimize and increases the comfortable of patients with respiratory tract Sense.
Respirator is usually to be made up of main frame and humidifier, and respirator product has following two forms in the market, One kind is main frame and humidifier design for disassembly, can each be used alone, another when main frame is integrated with humidifier It is impossible to each be used alone, the motility of product is relatively low, and existing product is generally replaced by the design of the first form for design Generation.
The respirator of the first form although main frame and humidifier are provided separately, but, it needs logical when using The entrance of the air outlet slit of main frame and humidifier is connected by piping, and then pipeline connects the air outlet slit dough-making powder of humidifier again Cover.In the case of not needing to gas humidification, it is installed on main frame under needing the pipeline on mask is dialled from humidifier;? In the case that humidifier needs to add water, need first to turn off breathing apparatus.Handoff procedure Program is more, complex operation.
Therefore, for existing problems of the prior art, need that a kind of structure of offer is simple, be capable of main frame and humidifying badly The respirator technology of device automatic switchover airway path is particularly important.
Content of the invention
It is an object of the invention to avoiding weak point of the prior art and provide a kind of there is air channel switching device Respirator, the structure of this respirator is simple, is capable of main frame and the airway path of humidifier automatically switches.
The purpose of the present invention is achieved through the following technical solutions:
There is provided a kind of respirator with air channel switching device, including dismountable main frame and humidifier, described main frame includes setting There is the main frame air flue of the first air inlet and the first gas outlet, described humidifier offers the second air inlet and the second gas outlet, institute State main frame air flue and offer the 3rd gas outlet matching with the second air inlet, the second gas outlet respectively, the 3rd air inlet;Described Main frame is provided with air channel switching device;
Described air channel switching device includes two symmetrically arranged valves, drives the actuator of valve folding;Described actuator bag Include mounting groove, back-moving spring and the spring installation axle installing back-moving spring connecting described valve;Described valve includes wind Door, rotary shaft and gear, described air door is fixedly installed in rotary shaft, and described gear is fixedly arranged on one end of described rotary shaft;Described It is provided with the teeth groove matching with described gear, described valve and actuator realize tooth by described gear and teeth groove in mounting groove Wheel is in transmission connection;
When main frame separates with humidifier, back-moving spring in the raw, close the 3rd gas outlet and the 3rd and enter by described air door QI KOU, now, air-flow enters from the first air inlet, directly passes through main frame air flue and discharges from the first gas outlet;
When humidifier is installed on main frame, actuator is pressed by humidifier, and back-moving spring produces deformation, and described gear is in tooth Rotate in the presence of groove, described air door is opened the 3rd gas outlet and the 3rd air inlet and cut off with the motion of described rotary shaft The connection of main frame air flue, now, air-flow enters one end of main frame air flue from the first air inlet, sequentially pass through the 3rd gas outlet, the Two air inlets enter humidifiers, then sequentially pass through the second gas outlet, the 3rd air inlet enter main frame air flue the other end, after warp First gas outlet is discharged.
Wherein, it is provided with described main frame air flue and blocks block, described blocking offers through hole on block, described air door passes through to close Through hole realizes the cut-out of main frame air flue.
Wherein, described air door, rotary shaft and gear are formed in one part.
Wherein, the outer rim of described air door is provided with flexible glue sealing ring.
Wherein, described actuator is provided with the projection of convenient pressing.
Further, described humidifier be provided with mate with projection by compressing switch, when humidifier is installed on main frame, press The projection compressing switch on extruding actuator, actuator drives valve to open the 3rd gas outlet and the 3rd air inlet.
Wherein, described actuator both sides are provided with the limited block for limiting movement locus.
Wherein, described main frame and humidifier are by the buckling piece clamping being mutually matched.
The beneficial effects of the present invention is:
The respirator that this has air channel switching device achieves main frame gas when humidifier is installed or removed using air channel switching device The automatic switchover in road, can achieve the dismounting of humidifier, and does not affect the use of main frame, structure is simple, behaviour during use Facilitate.
Brief description
Using accompanying drawing, the present invention will be further described, but the content in accompanying drawing does not constitute any limitation of the invention.
Fig. 1 is the fractionation structural representation of the respirator with air channel switching device of the present invention.
Fig. 2 is the structural representation of humidifier.
Fig. 3 is the use state schematic diagram of air channel switching device.
Fig. 4 is the air flow principle figure of main frame air flue when being not connected with humidifier.
Fig. 5 is the air flow principle figure of main frame air flue when connecting humidifier.
Fig. 6 is the structural representation of air channel switching device naturalness.
Fig. 7 is the structural representation of another angle of Fig. 6.
Fig. 8 is the structural representation of air channel switching device pressured state.
Fig. 9 is the structural representation of a valve of air channel switching device.
Fig. 1 to Fig. 9 includes:
1 main frame;
11 main frame air flues;
12 first air inlets;
13 first gas outlets;
14 the 3rd air inlets;
15 the 3rd gas outlets;
16 block block;
17 through holes;
2 humidifiers;
21 second air inlets;
22 second gas outlets;
23 by compressing switch;
3 air channel switching devices;
31 actuators;
311 mounting grooves;
312 back-moving springs;
313 spring installation axles;
314 projections;
315 limited blocks;
316 teeth groove;
32 valves;
321 air doors;
322 rotary shafts;
323 gears.
Specific embodiment
In order that the purpose of invention, technical scheme and advantage become more apparent, below in conjunction with drawings and Examples, to this Invention is further elaborated.
Embodiment
A kind of one of embodiment of respirator with air channel switching device of the present invention, as shown in Figures 1 to 9, bag Include dismountable main frame 1 and humidifier 2, main frame 1 includes being provided with the main frame air flue 11 of the first air inlet 12 and the first gas outlet 13, Humidifier 2 offers the second air inlet 21 and the second gas outlet 22, main frame air flue 11 offer respectively with the second air inlet 21, The 3rd gas outlet 15 that two gas outlets 22 match, the 3rd air inlet 14;Main frame 1 is provided with air channel switching device 3;
Air channel switching device 3 includes two symmetrically arranged valves 32, drives the actuator 31 of valve 32 folding;Actuator 31 wraps Include mounting groove 311, back-moving spring 312 and the spring installation axle 313 installing back-moving spring 312 of connecting valve 32;Valve 32 Including air door 321, rotary shaft 322 and gear 323, air door 321 is fixedly installed in rotary shaft 322, and gear 323 is fixedly arranged on rotary shaft 322 one end;It is provided with the teeth groove 316 matching with gear 323, valve 32 passes through gear with actuator 31 in mounting groove 311 323 and teeth groove 316 realize gear 323 and be in transmission connection;
When main frame 1 and humidifier 2 separate, in the raw, the 3rd gas outlet 15 He closed by air door 321 to back-moving spring 312 3rd air inlet 14, now, air-flow enters from the first air inlet 12, directly passes through main frame air flue 11 and from the first gas outlet 13 row Go out;
When humidifier 2 is installed on main frame 1, actuator 31 is subject to pressing of humidifier 2, and back-moving spring 312 produces deformation, gear 323 rotate in the presence of teeth groove 316, and air door 321 opens the 3rd gas outlet 15 and the 3rd air inlet with rotary shaft 322 motion 14 and cut off the connection of main frame air flue 11, now, air-flow enters one end of main frame air flue 11 from the first air inlet 12, successively Enter humidifier 2, then sequentially pass through the second gas outlet 22, the 3rd air inlet 14 through the 3rd gas outlet 15, the second air inlet 21 Enter main frame air flue 11 the other end, after discharge through the first gas outlet 13.
The respirator that this has air channel switching device achieves humidifier 2 using air channel switching device 3 when installing or removing The automatic switchover of main frame air flue 11, can achieve the dismounting of humidifier 2, and does not affect the use of main frame 1 during use, knot Structure is simple, easy to operate.
Wherein, it is provided with main frame air flue 11 and blocks block 16, block and through hole 17 is offered on block 16, air door 321 passes through to close Through hole 17 realizes the cut-out of main frame air flue 11.When being not connected with humidifier 2, air-flow enters main frame air flue 11 from the first air inlet 12, Through through hole 17, then discharge from the first gas outlet 13;When connecting humidifier 2, then two air doors 321 are adjacent to the two of through hole 17 respectively End, closes through hole 17, cuts off main frame air flue 11, and air-flow can only be discharged from the first gas outlet 13 around a circle around humidifier 2 again.
Wherein, air door 321, rotary shaft 322 and gear 323 are formed in one part.It is integrally formed part to make simply, cost is relatively Low, and effectively prevent the error in assembling process, connect more stable between assembly.
Wherein, the outer rim of air door 321 is provided with flexible glue sealing ring.No matter being the connection for cutting off main frame air flue 11, or For closure the 3rd air inlet 14 and the 3rd gas outlet 15, preferable sealing effectiveness, air-flow are attained by using flexible glue sealing ring More smooth, the user experience of respirator is relatively comfortable.
Wherein, actuator 31 is provided with the projection 314 of convenient pressing.And, humidifier 2 is provided with and projection 314 Join by compressing switch 23, when humidifier 2 is installed on main frame 1, by the projection 314 compressing switch on 23 extruding actuators 31, drive Part 31 drives valve 32 to open the 3rd gas outlet 15 and the 3rd air inlet 14.
Wherein, actuator 31 both sides are provided with the limited block 315 for limiting movement locus.Using monosymmetric spacing Block 315 is spacing, no matter pressing dynamics is partial to which side can meet position-limiting action, limit effect is preferable.
Wherein, main frame 1 and humidifier 2 are by the buckling piece clamping being mutually matched.Snap fit structure is simple, is easy to tear open Dress, and be completely embedded.
Finally it should be noted that above example is merely to illustrate technical scheme rather than the present invention is protected The restriction of scope, although being explained in detail to the present invention with reference to preferred embodiment, those of ordinary skill in the art should manage Solution, technical scheme can be modified or equivalent, without deviating from technical solution of the present invention essence and Scope.

Claims (8)

1. a kind of respirator with air channel switching device it is characterised in that: include dismountable main frame and humidifier, described master Machine includes being provided with the main frame air flue of the first air inlet and the first gas outlet, and described humidifier offers the second air inlet and second and goes out QI KOU, described main frame air flue offers the 3rd gas outlet matching respectively, the 3rd air inlet with the second air inlet, the second gas outlet Mouthful;Described main frame is provided with air channel switching device;
Described air channel switching device includes two symmetrically arranged valves, drives the actuator of valve folding;Described actuator bag Include mounting groove, back-moving spring and the spring installation axle installing back-moving spring connecting described valve;Described valve includes wind Door, rotary shaft and gear, described air door is fixedly installed in rotary shaft, and described gear is fixedly arranged on one end of described rotary shaft;Described It is provided with the teeth groove matching with described gear, described valve and actuator realize tooth by described gear and teeth groove in mounting groove Wheel is in transmission connection;
When main frame separates with humidifier, back-moving spring in the raw, close the 3rd gas outlet and the 3rd and enter by described air door QI KOU, now, air-flow enters from the first air inlet, directly passes through main frame air flue and discharges from the first gas outlet;
When humidifier is installed on main frame, actuator is pressed by humidifier, and back-moving spring produces deformation, and described gear is in tooth Rotate in the presence of groove, described air door is opened the 3rd gas outlet and the 3rd air inlet and cut off with the motion of described rotary shaft The connection of main frame air flue, now, air-flow enters one end of main frame air flue from the first air inlet, sequentially pass through the 3rd gas outlet, the Two air inlets enter humidifiers, then sequentially pass through the second gas outlet, the 3rd air inlet enter main frame air flue the other end, after warp First gas outlet is discharged.
2. a kind of respirator with air channel switching device according to claim 1 it is characterised in that: described main frame air flue Inside it is provided with and blocks block, described blocking offers through hole on block, the cut-out of main frame air flue realized by described air door by closing through hole.
3. a kind of respirator with air channel switching device according to claim 1 it is characterised in that: described air door, turn Moving axis and gear are formed in one part.
4. a kind of respirator with air channel switching device according to claim 1 it is characterised in that: described air door outer Edge is provided with flexible glue sealing ring.
5. a kind of respirator with air channel switching device according to claim 1 it is characterised in that: on described actuator It is provided with the projection of convenient pressing.
6. a kind of respirator with air channel switching device according to claim 5 it is characterised in that: described humidifier sets Be equipped with mate with projection by compressing switch, when humidifier is installed on main frame, by compress switch extruding actuator on projection, drive Part drives valve to open the 3rd gas outlet and the 3rd air inlet.
7. a kind of respirator with air channel switching device according to claim 1 it is characterised in that: described actuator two Side is provided with the limited block for limiting movement locus.
8. a kind of respirator with air channel switching device according to claim 1 it is characterised in that: described main frame and wet Change the buckling piece clamping that device passes through to be mutually matched.
CN201610896928.1A 2016-10-14 2016-10-14 A kind of ventilator with air duct switching device Active CN106362256B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610896928.1A CN106362256B (en) 2016-10-14 2016-10-14 A kind of ventilator with air duct switching device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201610896928.1A CN106362256B (en) 2016-10-14 2016-10-14 A kind of ventilator with air duct switching device

Publications (2)

Publication Number Publication Date
CN106362256A true CN106362256A (en) 2017-02-01
CN106362256B CN106362256B (en) 2019-03-05

Family

ID=57896525

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201610896928.1A Active CN106362256B (en) 2016-10-14 2016-10-14 A kind of ventilator with air duct switching device

Country Status (1)

Country Link
CN (1) CN106362256B (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2019114640A1 (en) * 2017-12-13 2019-06-20 北京怡和嘉业医疗科技股份有限公司 Ventilator system
CN111249586A (en) * 2018-11-30 2020-06-09 深圳市大雅医疗技术有限公司 Breathing machine
US20210113793A1 (en) * 2018-10-26 2021-04-22 Bmc Medical Co., Ltd. Systems and methods for delivering a respiratory gas

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102011884A (en) * 2009-12-24 2011-04-13 扬州电力设备修造厂 Stroke position control device of valve executing mechanism
CN102840381A (en) * 2012-08-16 2012-12-26 上海鸿润科技有限公司 Valve opening-closing device used for compound type medium-sized bulk container and container
CN103157161A (en) * 2011-12-09 2013-06-19 北京东方潮汐科技发展有限公司 Device of driving liquid to be nebulized by gas
CN203647817U (en) * 2013-11-05 2014-06-18 周文婷 Integrated oxygen inhalation and atomization device
CN104548298A (en) * 2015-01-09 2015-04-29 北京怡和嘉业医疗科技有限公司 Breathing machine
CN204521859U (en) * 2015-01-26 2015-08-05 北京谊安医疗***股份有限公司 A kind of sleep-respiratory machine
CN204543173U (en) * 2015-03-12 2015-08-12 北京怡和嘉业医疗科技有限公司 A kind of respirator
CN204840557U (en) * 2015-05-27 2015-12-09 永胜(广州)医疗器械开发有限公司 Breathing equipment
CN206566314U (en) * 2016-10-14 2017-10-20 广州和普乐健康科技有限公司 A kind of lung ventilator with air channel switching device

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102011884A (en) * 2009-12-24 2011-04-13 扬州电力设备修造厂 Stroke position control device of valve executing mechanism
CN103157161A (en) * 2011-12-09 2013-06-19 北京东方潮汐科技发展有限公司 Device of driving liquid to be nebulized by gas
CN102840381A (en) * 2012-08-16 2012-12-26 上海鸿润科技有限公司 Valve opening-closing device used for compound type medium-sized bulk container and container
CN203647817U (en) * 2013-11-05 2014-06-18 周文婷 Integrated oxygen inhalation and atomization device
CN104548298A (en) * 2015-01-09 2015-04-29 北京怡和嘉业医疗科技有限公司 Breathing machine
CN204521859U (en) * 2015-01-26 2015-08-05 北京谊安医疗***股份有限公司 A kind of sleep-respiratory machine
CN204543173U (en) * 2015-03-12 2015-08-12 北京怡和嘉业医疗科技有限公司 A kind of respirator
CN204840557U (en) * 2015-05-27 2015-12-09 永胜(广州)医疗器械开发有限公司 Breathing equipment
CN206566314U (en) * 2016-10-14 2017-10-20 广州和普乐健康科技有限公司 A kind of lung ventilator with air channel switching device

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2019114640A1 (en) * 2017-12-13 2019-06-20 北京怡和嘉业医疗科技股份有限公司 Ventilator system
EP3725353A4 (en) * 2017-12-13 2021-01-27 BMC Medical Co., Ltd. Ventilator system
US11992621B2 (en) 2017-12-13 2024-05-28 Bmc Medical Co., Ltd. Respirator system
US20210113793A1 (en) * 2018-10-26 2021-04-22 Bmc Medical Co., Ltd. Systems and methods for delivering a respiratory gas
US20210113791A1 (en) * 2018-10-26 2021-04-22 Bmc Medical Co., Ltd. Systems and methods for delivering a respiratory gas
US20230310772A1 (en) * 2018-10-26 2023-10-05 Bmc Medical Co., Ltd. Systems and methods for delivering a respiratory gas
US20230310773A1 (en) * 2018-10-26 2023-10-05 Bmc Medical Co., Ltd. Systems and methods for delivering a respiratory gas
US20230330370A1 (en) * 2018-10-26 2023-10-19 Bmc Medical Co., Ltd. Systems and methods for delivering a respiratory gas
US20230355903A1 (en) * 2018-10-26 2023-11-09 Bmc Medical Co., Ltd. Systems and methods for delivering a respiratory gas
US12017001B2 (en) * 2018-10-26 2024-06-25 Bmc Medical Co., Ltd. Systems and methods for delivering a respiratory gas
CN111249586A (en) * 2018-11-30 2020-06-09 深圳市大雅医疗技术有限公司 Breathing machine
CN111249586B (en) * 2018-11-30 2023-08-08 深圳市大雅医疗技术有限公司 Breathing machine

Also Published As

Publication number Publication date
CN106362256B (en) 2019-03-05

Similar Documents

Publication Publication Date Title
US9878121B2 (en) Ventilation mask with heat and moisture exchange device
CN103189092B (en) Breather valve device
JP6097689B2 (en) Method and apparatus for preventing rainout
US20130190643A1 (en) Ventilation Mask with Integrated Piloted Exhalation Valve
CN107407450A (en) Fluid connector with face seal
CN106362256A (en) Respirator with air duct switching device
JP2002533174A (en) Suffocation prevention valve
CN105611961B (en) Respirator
US20070227540A1 (en) Control Valve for a Ventilator
CN206566314U (en) A kind of lung ventilator with air channel switching device
CN203208560U (en) Humidification mask
WO2017067081A1 (en) Ventilation control apparatus, and breathing mask device provided with ventilation control apparatus
CN201823138U (en) Noninvasive respirator device
JP5993854B2 (en) Talk valve for manually operated breathing apparatus
CN205127060U (en) Ventilation control device and respirator equipment that has this ventilation control device
WO2014164813A1 (en) Ventilation mask with integrated piloted exhalation valve
CN206560583U (en) A kind of air channel switching device
CN101983738B (en) Pressure control valve for breathing machine
CN201939849U (en) Pressure control valve for breather
CN204744830U (en) Three -way valve
CN205759083U (en) A kind of adjusting means of respirator oxygen source gas input
CN206120951U (en) Sputum excretion machine and diaphragm valve thereof
CN213049068U (en) Respirator capable of switching multiple wind paths
CN104815379A (en) Gas pressure flow control valve of sliding-sheet type respirator, and working principle of gas pressure flow control valve
CN111714802A (en) Respirator capable of switching multiple wind paths

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
TA01 Transfer of patent application right
TA01 Transfer of patent application right

Effective date of registration: 20170922

Address after: Science City Tianfeng road high tech Industrial Development Zone, Guangzhou City, Guangdong province 510530 No. 3 No. 201-02

Applicant after: Guangzhou and Health Technology Co., Ltd.

Address before: The 510530 Guangdong economic and Technological Development Zone of Guangzhou Science City Tianfeng Road No. 5, room 202-1 102-1

Applicant before: NORTH-SOUTHERN ELECTRONICS LIMITED

GR01 Patent grant
GR01 Patent grant
PE01 Entry into force of the registration of the contract for pledge of patent right
PE01 Entry into force of the registration of the contract for pledge of patent right

Denomination of invention: Respirator with air duct switching device

Effective date of registration: 20200424

Granted publication date: 20190305

Pledgee: Guangzhou Caold financing Company limited by guarantee

Pledgor: GUANGZHOU HYPNUS HEALTHCARE TECHNOLOGY Co.,Ltd.

Registration number: Y2020980001761

PC01 Cancellation of the registration of the contract for pledge of patent right
PC01 Cancellation of the registration of the contract for pledge of patent right

Date of cancellation: 20210625

Granted publication date: 20190305

Pledgee: Guangzhou Caold financing Company limited by guarantee

Pledgor: GUANGZHOU HYPNUS HEALTHCARE TECHNOLOGY Co.,Ltd.

Registration number: Y2020980001761