CN103550876A - First-aid anti-gas mask - Google Patents
First-aid anti-gas mask Download PDFInfo
- Publication number
- CN103550876A CN103550876A CN201310555738.XA CN201310555738A CN103550876A CN 103550876 A CN103550876 A CN 103550876A CN 201310555738 A CN201310555738 A CN 201310555738A CN 103550876 A CN103550876 A CN 103550876A
- Authority
- CN
- China
- Prior art keywords
- mask
- gas
- oxygen
- face mask
- outer face
- 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
Links
Images
Landscapes
- Respiratory Apparatuses And Protective Means (AREA)
Abstract
The invention relates to a first-aid anti-gas mask which structurally comprises an outer-layer face mask and an inner-layer mouth nose mask, wherein a forehead protecting edge and a head strap are connected with a face mask annular frame at an edge of the outer-layer face mask; a moveable inhaling opening and a moveable exhaling opening are arranged on the inner-layer mouth nose mask; matching ports are respectively arranged on two sides of the outer-layer face mask; a miniature oxygen bottle is connected with at least one of the matching ports through a fixing connector; an air outlet and an airflow adjustor are connected with a sealing cover of the miniature oxygen bottle; a drug atomizer is connected with the fixing connector; and a communicating pipe is connected between the air outlet on the sealing cover and the drug atomizer, so that oxygen in the miniature oxygen bottle can enter into a face mask cavity of the anti-gas mask through an airflow channel in the sealing cover, the airflow adjustor, the communicating pipe, the drug atomizer and the fixing connector. The first-aid anti-gas mask can be used for timely supplying oxygen to the wounded people on an emergency site, so as to improve the in-vivo anoxic state of the wounded people, reduce the hurt degree and increase the cure rate.
Description
Technical field
The present invention relates to a kind of breathing mask, specifically a kind of first aid breathing mask.
Background technology
First aid is mainly used in chemical warfare and public contingent even with breathing mask.At chemical warfare agent, discharge the occasion of leaking with poisonous chemical gases, can cause that Field Force occurs because sucking the poisoning situation of toxic gas.If field first aid emergency oxygen supply is timely, just can solving well chemical warfare agent and poisonous chemical gases, to leak initiation personnel poisoning and cause the life-threatening problem of human body anoxia.Emergency oxygen supply can improve by improving oxygen concentration and oxygen flow the level of poisoning patient arterial partial pressure of oxygen and oxygen saturation, promote metabolism, alleviate anoxic symptom, control further developing of the state of an illness, for gas casualty in the wings hospital rescue and treatment is raced against time and created conditions.Therefore, within the on-the-spot very first time of first aid, be the timely oxygen supplys of the wounded, be very important, be also a key factor that affects treatment rate.
But be all at present to use conventional breathing mask, and in emergency rescue process, there is following problem in conventional breathing mask:
(1) common breathing mask does not possess oxygen supply function, has the problem that cannot solve oxygen supply after breathing mask of wearing.If give separately wounded's oxygen supply, the problem that cannot solve again sealing gas defence and be isolated from the outside.Because gas defence isolation can not be synchronizeed and carry out with oxygen supply, therefore greatly affected treatment rate;
(2) existing breathing mask belongs to negative inspiratory pressure, concerning poisoning dark, the wounded that respiratory function is weak, owing to there is inspiratory resistance problem, therefore, can cause the wounded's expiratory dyspnea after wearing a gas mask, and is unfavorable for the treatment to the wounded;
(3) the common breathing mask using at present and easily cause suffocating of the wounded with the breathing mask of air blast function under hypoxemia or oxygen-free environment, has the problem that breathing mask cannot use;
(4) although existing respirator has gas defence for airway dysfunction, for the battlefield wounded rescue, do not design use, have heavy, bulky problem, on-the-spot rescue carries very inconvenient.
ZL201120020440.5 patent discloses a kind of " three anti-medical rescue breathing masks ", and its structure comprises face shield and canister, in the outside of face shield, is fixedly connected with liquid oxygen storage tank, and the oxygen supplying tube being connected on liquid oxygen storage tank leads in face shield.This patent provides the mode of operation of autonomous malleation air feed, is suitable for using and giving treatment to the cardiorespiratory failure wounded.But due to the liquid oxygen storage tank state of in use must being kept upright, and on-the-spot rescue certainly exists the process that personnel move, thereby this breathing mask is less compliant in field first aid and uses.In addition, liquid oxygen exist resource few, also have the many difficulties such as aerating, transportation and preservation, and the volume of liquid oxygen storage tank is larger, therefore there is many use limitations and convenience not.
Summary of the invention
Object of the present invention is just to provide a kind of first aid breathing mask, the problem of using inconvenience and being unsuitable for on-the-spot rescue to solve existing breathing mask.
The present invention is achieved in that a kind of first aid breathing mask, comprise outer face mask and be connected to the internal layer oronasal mask in described outer face mask, on the face shield ring stand at described outer face mask edge, be connected to for the flexible denomination safe edge of sealing cover face with at the head head hoop band that fixedly breathing mask is used, side in described internal layer oronasal mask is provided with air suction valve, in the bottom of described internal layer oronasal mask, is provided with outlet valve, in the both sides of described outer face mask, offer respectively and connect mouth, described at least one, connect on mouth and be connected with Miniature oxygen cylinder by fixed connecting piece, on the bottleneck assembly of described Miniature oxygen cylinder, be connected to seal cover, on described seal cover, be connected to gas outlet and air damper, on described fixed connecting piece, be connected to medicine atomizer, be connected to communicating pipe between the described gas outlet and described medicine atomizer on described seal cover, make the oxygen in described Miniature oxygen cylinder can pass through described seal cover, described air damper, described communicating pipe, gas channel in described medicine atomizer and described fixed connecting piece enters in the face shield chamber between described outer face mask and described internal layer oronasal mask.
At the described internal orifice place that connects mouth, be provided with the flexible catch that isolated gas leaks outside.
In the inner chamber of described medicine atomizer, be provided with the dielectric core bar that contains drug ingedient, on the top of described medicine atomizer, be provided with the tube head that is connected being threaded with screw on described fixed connecting piece; Described screw is the front port of the gas channel offered in described fixed connecting piece.
Described in one of them in described outer face mask, connect on mouth and connect and can filter to the air sucking the canister of sterilization.
First aid of the present invention connects mouth with breathing mask by offer two in outer face mask, can connect a Miniature oxygen cylinder and a canister, thereby form two gas circuit gas-supplying structures---when wounded's respiratory function is stronger, utilize the pernicious gas in canister filtered air, realize filter poison and breathe; When weak the or condition of the injury is critical at wounded's respiratory function, can open oxygen cylinder switch, directly, to air feed in breathing mask, realize autonomous malleation air feed.When oxygen consuming amount is larger, also can connect on mouth and connect separately a Miniature oxygen cylinder at two, so just can extend service life, for the wounded's follow-up rescue and effective treatment creates conditions.
On the connecting pipeline of Miniature oxygen cylinder, connect small drug atomizer, the medicine adding in small drug atomizer can be by the aerodynamic force that supplies of Miniature oxygen cylinder, under impacting, gas is atomized, with air-flow, enter the wounded's respiratory tract and lung, thereby reach the object of drug treatment, for rescuing and treatment creates conditions.
First aid of the present invention has first aid and two functions of gas defence with breathing mask, mainly to use in chemical warfare or public contingent even, both be used in injured, the poisoning personnel in the scene that battlefield that chemical warfare agent discharges or poisonous chemical gases leak, be also applicable to poisonous Field Force's the use of saving oneself.
Its function of emergency treatment is embodied in: first aid of the present invention carries Miniature oxygen cylinder and medicine atomizer with breathing mask, the high-concentration oxygen of certain flow can be provided the wounded, medicine atomizer can provide short time atomization medicine, for gas casualty's follow-up rescue creates conditions.
Its gas defence function embodiment exists: first aid of the present invention carries the malicious device of supporting filter with breathing mask; toxic gas filters to external world; meanwhile, breathing mask also, by the tight attaching of denomination safe edge on human body Head And Face, can carry out closure protection to organs such as the eye of wounded's head, nose, mouths.
It is poisoning that chemical warfare agent and poisonous chemical gases are leaked caused personnel, can cause human body anoxia, threat to life safety.First aid of the present invention can realize field first aid emergency oxygen supply with breathing mask, and this is the key means that rescues gas casualty.Emergency oxygen supply is by improving oxygen concentration and oxygen flow, improve the level of poisoning patient arterial partial pressure of oxygen and oxygen saturation, promote metabolism, alleviate anoxic symptom, thereby control further developing of the state of an illness, for poisoning patient, next step send the rescue of base hospital and treatment to strive for the time, created condition.Therefore, utilizing this breathing mask is wounded's oxygen supply in the on-the-spot very first time of first aid, can improve the state of anoxic in wounded's body, for maintain wounded's life system and cardio-pulmonary function normal, improve treatment rate and reduce the extent of damage, all there is very important function and significance.
The invention has the advantages that:
(1) on breathing mask, increased Miniature oxygen cylinder, made breathing mask increase oxygen supply function, gas defence, oxygen supply are integrated, and gas defence oxygen supply can synchronously be carried out.The small drug atomizer of configuration can atomized medicine introducing, has certain medical functions.
(2) breathing mask of the present invention is to adopt gas oxygen air feed, and gaseous state oxygen has the wide model of resource, and aerating, transportation and preservation be the feature such as very convenient all, and Miniature oxygen cylinder is with respect to liquid-oxygen container, and volume is little, easy to use.The amount of oxygen entrained due to this breathing mask is emergent gas-storing capacity, and its principle is just enough, and therefore, the volume of Miniature oxygen cylinder is little, lightweight, and the weight of equipped rear breathing mask increases and is not obvious.Breathing mask volume of the present invention is little, lightweight, easy to carry, and oxygen cylinder all can provide reliable oxygen under various positions in breathing mask, not being subject to the restriction of the conditions such as setting position and state, is a kind of first aid breathing mask that really can be useful in in-situ curing.
(3) breathing mask of the present invention adopts two gas circuit gas-supplying structures, not only there are two functions of first aid and gas defence, and two gas circuit gas-supplying structures are safe and reliable, after oxygen is finished, the second gas circuit is entered in face shield and is continued air feed by canister, reduces the generation of fortuitous event.
(4) gas circuit of breathing mask of the present invention adopts double series-wound chambers gas-supplying structure.Oxygen in Miniature oxygen cylinder, by after small drug atomizer, is introduced into the face shield chamber in breathing mask, and then enters by internal layer oronasal mask and surround in formed respiratory cavity through air suction valve, for the wounded, breathes.Oxygen in Miniature oxygen cylinder, after small drug atomizer, enters the face shield chamber in breathing mask, and when the wounded are air-breathing, oxygen enters in respiratory cavity by the air suction valve in internal layer oronasal mask, supplies with the wounded and breathes; When the wounded exhale, the pressure rise in respiratory cavity, air suction valve is closed automatically, now oxygen only converges in face shield chamber, can not enter in respiratory cavity, thereby also just can with exhaling, not discharge by outlet valve breathing mask, can save the use of oxygen like this, improve and use gas efficiency.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
In figure: 1, head hoop band, 2, Miniature oxygen cylinder, 3, air suction valve, 4, fixed connecting piece, 5, air gauge, 6, seal cover, 7, air damper, 8, communicating pipe, 9, medicine atomizer, 10, the guard of giving vent to anger, 11, outlet valve, 12, canister, 13, connect mouth, 14, outer face mask, 15, internal layer oronasal mask, 16, face shield ring stand, 17, denomination safe edge, 18, bottleneck assembly.
The specific embodiment
As shown in Figure 1, first aid of the present invention is transparent cover by the outer face mask 14 of breathing mask, at the edge of outer face mask 14, is connected with face shield ring stand 16, in the bottom of outer face mask 14, is snapped with the guard 10 of giving vent to anger.In outer face mask 14 inner bottom surface, be connected to the internal layer oronasal mask 15 of front end sealing, open rearward end, oral area and nose that its rear end opening part can cover human, form respiratory cavity.At two sides of internal layer oronasal mask 15, the position in corresponding nostril, be respectively arranged with one-way intake valve 3, be provided with unidirectional outlet valve 11 in the bottom of internal layer oronasal mask 15, the gas of exhalation enters atmosphere by outlet valve 11 and the outer field guard 10 of giving vent to anger.
On the face shield ring stand 16 at outer face mask edge, be connected to flexible denomination safe edge 17, in order to seal up human body face.The flanging turning in having on denomination safe edge 17, wears the rear positiver sealing to human body face to realize, and meanwhile, also can form the face shield chamber of sealing between outer face mask 14 and internal layer oronasal mask 15.On face shield ring stand 16, be also connected to head hoop band 1, in order to overhead to go up across cover, fix this breathing mask.
In the both sides of outer face mask 14, position offers respectively and connects mouthfuls 13 on the lower side, is shaped with external screw thread connecting on mouthfuls 13 circular outer, at the internal orifice that connects mouthfuls 13, is provided with the flexible catch that isolated gas leaks outside, and forms one-way valve structures.At connecting of the right side fixed connecting piece 4 that has been threaded on mouthfuls 13, in fixed connecting piece 4, have gas channel; The outboard end of fixed connecting piece 4 is made pipe clamp structure, and the bottleneck position of Miniature oxygen cylinder 2 is lived in clamping.Bottle mouth position at Miniature oxygen cylinder 2 is connected to bottleneck assembly 18, is connected to air gauge 5 on bottleneck assembly 18; The seal cover 6 that has been threaded on bottleneck assembly 18, is provided with at the end face of seal cover 6 gas outlet that connects pipe 8, has the air damper 7 of needle handle formula in the cross-under of the side of seal cover 6.The handle of swirling eddy adjuster 7, i.e. the size of adjustable Miniature oxygen cylinder gas output, air gauge 5 provides the concrete numerical values recited of gas flow-regulating.
On fixed connecting piece 4, be connected to medicine atomizer 9.Medicine atomizer 9 is the thin rod shape body of three grades of docking, is provided with dielectric core bar within it, in order to pharmaceutical-impregnated in chamber.During use, by oxygen for aerodynamic force by medicinal atomized, the direct administration while realizing first aid.The medicine of dipping can be 30% alcohol, can be also the medicines such as sodium acid carbonate, aminophylline, dexamethasone, Proca.
The port car of the gas channel in fixed connecting piece 4 is shaped with internal thread, forms screw; In the upper end of medicine atomizer 9, be shaped with connection tube head.Connection tube head on medicine atomizer 9 is threaded with the screw on fixed connecting piece 4, to be fixedly connected with medicine atomizer 9.One end of communicating pipe 8 is connected in the lower port of medicine atomizer 9, and the other end is connected on the gas outlet on seal cover 6, forms complete air supply channel.
In the left side of outer face mask 14, connect on mouth 13 and connected canister 12.Canister can adopt the commercial gas filtering product that has good filtration Disinfection Effect for toxic and harmful.
First aid of the present invention is 36L(30Mp by the confession oxygen capacity of breathing mask), if the configuration of two gas cylinder can be used 72L.Oxygen cylinder capacity 120ML.Oxygen supply and atomising device full weight are no more than 520g.Medicine atomizer atomization medicament per minute 0.1g left and right.Oxygen flow 0-3L is adjustable.
First aid of the present invention by the using method of breathing mask is: first aid is buckled in to wounded's face and has been with head hoop band 1 with breathing mask, then open oxygen cylinder switch.If need drug therapy, can be by infusion of medicine atomizer.Oxygen in Miniature oxygen cylinder 2 can enter in the face shield chamber between outer face mask 14 and internal layer oronasal mask 15 by the gas channel in seal cover 6, air damper 7, communicating pipe 8, medicine atomizer 9 and fixed connecting piece 4.Operational version one, Miniature oxygen cylinder 2 and small drug atomizer 9 are arranged on the right side of outer face mask 14, and canister 12 is arranged on the left side of outer face mask 14.Its advantage is after oxygen supply uses, and the wounded can continue to breathe by canister 12, dual fail-safe; Its shortcoming is that the service time under anaerobic environment is shorter.Operational version two, Miniature oxygen cylinder 2 and small drug atomizer 9 are arranged on respectively the left and right sides of outer face mask 14, two gas cylinder air feed.Its advantage is for the heavier patient of the state of an illness or under oxygen-free environment condition, and oxygen supply that can the long period is also applicable to scene of a fire personnel in accident or the use of saving oneself of the Field Force under toxic gas environment.
Claims (4)
1. a first aid breathing mask, it is characterized in that, comprise outer face mask and be connected to the internal layer oronasal mask in described outer face mask, on the face shield ring stand at described outer face mask edge, be connected to for the flexible denomination safe edge of sealing cover face with at the head head hoop band that fixedly breathing mask is used, side in described internal layer oronasal mask is provided with air suction valve, in the bottom of described internal layer oronasal mask, is provided with outlet valve, in the both sides of described outer face mask, offer respectively and connect mouth, described at least one, connect on mouth and be connected with Miniature oxygen cylinder by fixed connecting piece, on the bottleneck assembly of described Miniature oxygen cylinder, be connected to seal cover, on described seal cover, be connected to gas outlet and air damper, on described fixed connecting piece, be connected to medicine atomizer, be connected to communicating pipe between the described gas outlet and described medicine atomizer on described seal cover, make the oxygen in described Miniature oxygen cylinder can pass through described seal cover, described air damper, described communicating pipe, gas channel in described medicine atomizer and described fixed connecting piece enters in the face shield chamber between described outer face mask and described internal layer oronasal mask.
2. first aid breathing mask according to claim 1, is characterized in that, at the described internal orifice place that connects mouth, is provided with the flexible catch that isolated gas leaks outside.
3. first aid breathing mask according to claim 1 and 2, it is characterized in that, in the inner chamber of described medicine atomizer, be provided with the dielectric core bar that contains drug ingedient, on the top of described medicine atomizer, be provided with the tube head that is connected being threaded with screw on described fixed connecting piece; Described screw is the front port of the gas channel offered in described fixed connecting piece.
4. first aid breathing mask according to claim 1 and 2, is characterized in that, connects described in one of them in described outer face mask on mouth and connects and can filter the canister of sterilizing to the air sucking.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310555738.XA CN103550876B (en) | 2013-11-11 | 2013-11-11 | First aid breathing mask |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310555738.XA CN103550876B (en) | 2013-11-11 | 2013-11-11 | First aid breathing mask |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103550876A true CN103550876A (en) | 2014-02-05 |
| CN103550876B CN103550876B (en) | 2015-08-26 |
Family
ID=50005339
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310555738.XA Expired - Fee Related CN103550876B (en) | 2013-11-11 | 2013-11-11 | First aid breathing mask |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103550876B (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104324458A (en) * | 2014-10-17 | 2015-02-04 | 王庆忠 | Emergency oxygen supply respirator |
| CN105327468A (en) * | 2015-11-13 | 2016-02-17 | 惠州市环发环保科技有限公司 | Mask |
| CN105327465A (en) * | 2015-11-13 | 2016-02-17 | 惠州市环发环保科技有限公司 | High-reliability protective mask |
| CN106215344A (en) * | 2016-09-30 | 2016-12-14 | 桂林师范高等专科学校 | A kind of fire self-help life-saving device |
| CN106422101A (en) * | 2016-10-31 | 2017-02-22 | 山西新华化工有限责任公司 | Structure-reliable easily mounted waterproof shade of gas mask |
| CN107096146A (en) * | 2017-04-28 | 2017-08-29 | 孟祥力 | A kind of filtermask |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2098938U (en) * | 1991-10-17 | 1992-03-18 | 黄国金 | Multi-function face guard |
| CN2312042Y (en) * | 1997-11-24 | 1999-03-31 | 牛永杰 | Inhalator for medicine and oxygen |
| CN2721141Y (en) * | 2004-08-27 | 2005-08-31 | 鸿图医疗器材制造厂有限公司 | Face mask for breathing |
| US20050263150A1 (en) * | 2004-06-01 | 2005-12-01 | Chathampally Yashwant G | Systems and methods for the administration of drugs and medications |
| CN200987819Y (en) * | 2006-07-26 | 2007-12-12 | 刘春宁 | Oxygen mask with atomization function |
| CN201978370U (en) * | 2011-01-22 | 2011-09-21 | 李华军 | Gas mask used for three-protection medical rescue |
| CN203598386U (en) * | 2013-11-11 | 2014-05-21 | 中国人民解放军白求恩医务士官学校 | First-aid gas defense mask |
-
2013
- 2013-11-11 CN CN201310555738.XA patent/CN103550876B/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2098938U (en) * | 1991-10-17 | 1992-03-18 | 黄国金 | Multi-function face guard |
| CN2312042Y (en) * | 1997-11-24 | 1999-03-31 | 牛永杰 | Inhalator for medicine and oxygen |
| US20050263150A1 (en) * | 2004-06-01 | 2005-12-01 | Chathampally Yashwant G | Systems and methods for the administration of drugs and medications |
| CN2721141Y (en) * | 2004-08-27 | 2005-08-31 | 鸿图医疗器材制造厂有限公司 | Face mask for breathing |
| CN200987819Y (en) * | 2006-07-26 | 2007-12-12 | 刘春宁 | Oxygen mask with atomization function |
| CN201978370U (en) * | 2011-01-22 | 2011-09-21 | 李华军 | Gas mask used for three-protection medical rescue |
| CN203598386U (en) * | 2013-11-11 | 2014-05-21 | 中国人民解放军白求恩医务士官学校 | First-aid gas defense mask |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104324458A (en) * | 2014-10-17 | 2015-02-04 | 王庆忠 | Emergency oxygen supply respirator |
| CN105327468A (en) * | 2015-11-13 | 2016-02-17 | 惠州市环发环保科技有限公司 | Mask |
| CN105327465A (en) * | 2015-11-13 | 2016-02-17 | 惠州市环发环保科技有限公司 | High-reliability protective mask |
| CN106215344A (en) * | 2016-09-30 | 2016-12-14 | 桂林师范高等专科学校 | A kind of fire self-help life-saving device |
| CN106422101A (en) * | 2016-10-31 | 2017-02-22 | 山西新华化工有限责任公司 | Structure-reliable easily mounted waterproof shade of gas mask |
| CN107096146A (en) * | 2017-04-28 | 2017-08-29 | 孟祥力 | A kind of filtermask |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103550876B (en) | 2015-08-26 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203598386U (en) | First-aid gas defense mask | |
| CN103550876B (en) | First aid breathing mask | |
| CN203750046U (en) | Fire protection filtering type self-saving breathing apparatus | |
| CN109045426A (en) | Nebulizer and medical device for nebulae inhalation | |
| US20210330912A1 (en) | Face masks with filters, face plate for use with face masks, and treatment methods | |
| CN204106789U (en) | Anesthesia surgery suck-back-prevention type blow vent nasal mask | |
| CN202314778U (en) | Atomizing inhalation device for paediatric internal medicine | |
| CN212997872U (en) | Breathing and inhaling separated artificial nose mask | |
| CN212369433U (en) | External air purifier for breathing channel separation filtering | |
| CN204972566U (en) | Medical atomizer | |
| CN209696018U (en) | Respiratory Medicine oxygen face mask | |
| CN111214733A (en) | Atomizing inhalation device capable of blocking infectious aerosol and spray | |
| CN207614149U (en) | Atomizing inhalation device for paediatric internal medicine | |
| CN211536053U (en) | Emergency oxygen respirator | |
| CN115399537A (en) | No-repeat suction type protective hood | |
| CN201551699U (en) | H1N1 flu virus control respirator | |
| CN213131372U (en) | Novel atomizer face guard | |
| CN209033410U (en) | Nebulizer and medical device for nebulae inhalation | |
| CN206342765U (en) | The dual medicinal atomized breathing equipment of gasbag-type | |
| CN206896623U (en) | Fireman's emergency self-saving device | |
| CN213220179U (en) | Oxygen inhalation and artificial respiration mask for cardiovascular internal medicine | |
| CN216703137U (en) | Oxygen mask with breathable shell for anesthesia | |
| CN215135109U (en) | Isolated atomizing mask capable of preventing cross infection | |
| CN212393956U (en) | Portable isolation protection device | |
| CN214860222U (en) | Internal medicine is clinical with oxygen uptake artificial respirator |
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 | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150826 Termination date: 20161111 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |