CN208073708U - A kind of Portable oxygen therapeutic device of air pump auxiliary pressure supply - Google Patents
A kind of Portable oxygen therapeutic device of air pump auxiliary pressure supply Download PDFInfo
- Publication number
- CN208073708U CN208073708U CN201820548606.2U CN201820548606U CN208073708U CN 208073708 U CN208073708 U CN 208073708U CN 201820548606 U CN201820548606 U CN 201820548606U CN 208073708 U CN208073708 U CN 208073708U
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- China
- Prior art keywords
- air pump
- hose
- oxygen
- chamber
- therapeutic device
- 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.)
- Expired - Fee Related
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- MYMOFIZGZYHOMD-UHFFFAOYSA-N oxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 title claims abstract description 65
- 239000001301 oxygen Substances 0.000 title claims abstract description 59
- 229910052760 oxygen Inorganic materials 0.000 title claims abstract description 59
- 230000001225 therapeutic Effects 0.000 title claims abstract description 17
- 230000029058 respiratory gaseous exchange Effects 0.000 claims abstract description 36
- 238000002640 oxygen therapy Methods 0.000 claims abstract description 29
- 230000035812 respiration Effects 0.000 claims abstract description 27
- 239000007789 gas Substances 0.000 claims description 26
- 239000012528 membrane Substances 0.000 claims description 22
- 230000000903 blocking Effects 0.000 claims description 10
- 150000001875 compounds Chemical class 0.000 claims description 6
- 239000007787 solid Substances 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 8
- 238000000889 atomisation Methods 0.000 abstract description 5
- 239000003814 drug Substances 0.000 abstract description 5
- 239000003595 mist Substances 0.000 abstract description 4
- 208000006545 Chronic Obstructive Pulmonary Disease Diseases 0.000 description 13
- 238000007789 sealing Methods 0.000 description 7
- 210000004072 Lung Anatomy 0.000 description 5
- 201000010099 disease Diseases 0.000 description 5
- 239000000203 mixture Substances 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 4
- 238000009098 adjuvant therapy Methods 0.000 description 3
- 239000008246 gaseous mixture Substances 0.000 description 3
- 230000001575 pathological Effects 0.000 description 3
- 206010011224 Cough Diseases 0.000 description 2
- 230000001684 chronic Effects 0.000 description 2
- 230000019771 cognition Effects 0.000 description 2
- 229910001882 dioxygen Inorganic materials 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 230000000414 obstructive Effects 0.000 description 2
- 238000002560 therapeutic procedure Methods 0.000 description 2
- 206010003598 Atelectasis Diseases 0.000 description 1
- 101710012572 CBG24701 Proteins 0.000 description 1
- 201000006306 Cor pulmonale Diseases 0.000 description 1
- 210000003811 Fingers Anatomy 0.000 description 1
- 206010021143 Hypoxia Diseases 0.000 description 1
- 210000000088 Lip Anatomy 0.000 description 1
- 208000007123 Pulmonary Atelectasis Diseases 0.000 description 1
- 208000009269 Pulmonary Emphysema Diseases 0.000 description 1
- 208000004186 Pulmonary Heart Disease Diseases 0.000 description 1
- 210000001034 Respiratory Center Anatomy 0.000 description 1
- 210000003813 Thumb Anatomy 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000004872 arterial blood pressure Effects 0.000 description 1
- 230000017531 blood circulation Effects 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000000875 corresponding Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 229910001873 dinitrogen Inorganic materials 0.000 description 1
- 238000002651 drug therapy Methods 0.000 description 1
- 229940079593 drugs Drugs 0.000 description 1
- 230000001815 facial Effects 0.000 description 1
- 238000009689 gas atomisation Methods 0.000 description 1
- 230000001146 hypoxic Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000003137 locomotive Effects 0.000 description 1
- 238000005399 mechanical ventilation Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006011 modification reaction Methods 0.000 description 1
- IJGRMHOSHXDMSA-UHFFFAOYSA-N nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 1
- 230000000607 poisoning Effects 0.000 description 1
- 231100000572 poisoning Toxicity 0.000 description 1
- 230000002035 prolonged Effects 0.000 description 1
- 230000002685 pulmonary Effects 0.000 description 1
- 230000000241 respiratory Effects 0.000 description 1
- 230000004202 respiratory function Effects 0.000 description 1
- 230000001629 suppression Effects 0.000 description 1
- 230000003519 ventilatory Effects 0.000 description 1
Abstract
A kind of Portable oxygen therapeutic device of air pump auxiliary pressure supply, including support plate, it is characterised in that：The support plate lower part is installed with four-way oxygen therapy chamber, and ftercompction air pump is fixedly mounted in the side of support plate, and respiration bottle is detachably installed in the other side；Four hoses are communicated on the four-way oxygen therapy chamber, wherein the other end of the first hose is connected to the outlet side of ftercompction air pump, the other end of second hose is connected to the external of four-way oxygen therapy chamber, the other end of third hose is communicated with pressure release hand holding handle, and the other end of the 4th hose is connected to the inlet end of respiration bottle；The outlet side of the respiration bottle is connected with breathing mask.The device is highly integrated, is carried convenient for patient and inhales mist at any time and inhale medicine treatment, and can increase the soakage of patient's air and atomization medicine, intensive treatment effect by ftercompction air pump.
Description
Technical field
The utility model the field of medical instrument technology, is related to the oxygen therapy device of chronic obstructive pulmonary disease treatment, and especially a kind of air pump is auxiliary
Help the Portable oxygen therapeutic device of pressure supply.
Background technology
Respiratory Medicine is treated in example, is to be with drug therapy, atomization for the conventional method of chronic obstructive disease of lung treatment
Main, severe patient imposes mechanical ventilation rescue.This case technology is related to the chronic obstructive pulmonary disease patient of state of an illness relatively stable period, comprehensive to pass
System therapy is aided with this case technology that I is provided, i.e. air oxygen (mixing oxygen) oxygen therapy/expiratory air control/controllable pump gas
Atomization (and portable oxygen therapy) reconditioning, treatment simple combination device, to reach chronic obstructive pulmonary disease patient reconditioning, improve life
The target of quality；It is more desirable reach effectively reduce anxious chronic obstructive pulmonary disease patient, danger, weight phase state of an illness occurrence probability target.
This case technical combinations decompose division：
1, air/oxygen (mixing oxygen) oxygen therapy：
In the traditional cognition to oxygen of medical field, be oxygen to human body cell life can continuity positive effect；However mould
Paste and have ignored ill-effect of the oxygen to human body.With the extensive exchange of medical information, numerous scholars pass through medical practice and right
Observation, analysis, research, the report of relevant case make everybody that the pros and cons effect of oxygen, torsion gradually be well understood
In the past to the unilateral cognition of oxygen and to the therapy field of aerobic participation, the positive experience of more medical measures is provided.
Patient, which sucks high-purity oxygen, to cause patient to occur：(1) oxygen poisoning；(2) respiratory centers are suppressed；(3).
It sucks nitrogen gas component in gas to lack, alveolar wall loses academic title and withers, and atelectasis occurs.Thus medical domain is advocated
Concentration of oxygen inhalation safety value should be not higher than 40%.
2, exhaled gas controls
There is pathological occlusion in air flue when the pathologic basis of chronic obstructive pulmonary disease is patient expiration, i.e. small airway falls into close too early, intrapulmonary
The isotonic point of pressure is subjected to displacement, and exhalation atmidometer increases, and intrapulmonary function residual capacity is caused to increase, and pulmonary emphysema is formed, after permanent
It influences lung blood circulation to be abnormal (pulmonary arterial pressure raising), causes pulmonary heart disease eventually.
It is the effective remedy measures we provided for chronic obstructive disease of lung that expiratory air, which controls reconditioning method, specific side
Method：(1) expiration with pursed lips (sample of whistling action)；(2) the closed mask expiratory retards (resistance) of.This two methods is to pass through diminution
Air flue aperture is breathed out, patient's expiratory air time lengthening is promoted, and makes pressure rise in small airway, promotes to fall into the small airway closed again
It opens, the isotonic point of intra-pulmonary pressure is forced to be subjected to displacement to alveolar end, promote residual gas exhalation, reduce function residual capacity, so as to improve
The respiratory function of patients with COPD.
It is retrieved by publication, it is less that discovery is related to medical chronic obstructive pulmonary disease therapeutic device document, is given below and the application
Relevant two patent documents can fully demonstrate the creativeness of the present utility model application by the comparison of structure：
A kind of mixing oxygen sucking/expiration prolongs resistance chronic obstructive pulmonary disease convalescence device (CN201620326962.0) and discloses a kind of mixing
Resistance chronic obstructive pulmonary disease convalescence device is prolonged in oxygen sucking/expiration, is made of shell, case top and bottom are respectively arranged with experienced air inlet and instruction
Gas port is practised, shell front and rear end is respectively arranged with oxygen feeder and oxygen exhaust；The setting of shell interior sealing is free oxygen mixing chamber, should
Hull outside setting corresponding to empty oxygen mixing chamber is free oxygen gas mixture channel, empty oxygen gas mixture channel roof to be provided with mixed with empty oxygen
Close the mixed oxygen mouth that is connected of room, empty oxygen mixing chamber bottom be provided be connected with oxygen exhaust go out oxygen channel.The utility model root
According to patients with COPD pathological features, oxygen uptake quality should be improved take into account patient's endogenous PEEPi again and effectively adjusted,
The different sealing room being divided by single enclosure interior combines two functions together, and when needing oxygen uptake, unidirectional valve is opened,
Oxygen and air enter simultaneously in empty oxygen mixing chamber, then via going out oxygen channel and oxygen exhaust for patients accepting oxygen inhalation；It is simple in structure, make
It is recycled with conveniently, not only having saved oxygen simultaneously but also having completed oxygen therapy.
A kind of portable chronic obstructive pulmonary disease adjuvant therapy device (CN201520333062.4) discloses a kind of portable chronic obstructive pulmonary disease
Adjuvant therapy device, by shell, pure oxygen air inlet, oxygen uptake mouth mixes air flue and mixed gas port composition, case top be provided with pure oxygen into
Gas port and oxygen uptake mouth, shell side are provided with mixed air flue, which is connected by oxygen cathete with pure oxygen air inlet,
Output end is set to outside mixed gas port, is mixed air flue output end and is also controlled opening and closing by mixing the unidirectional valve of gas port setting.This practicality
Novel to overcome traditional chronic obstructive pulmonary disease adjuvant therapy device function relatively single, inconvenient to carry, is unsuitable for the skill of patient's long-time service
Art problem is connected via oxygen cathete with mixed air flue by using portable sandwich type element using pure oxygen air inlet so that pure oxygen via
Mixed air flue output end is mixed with air；The controllable mixed air flue output end of the unidirectional valve for mixing gas port setting is coordinated to open simultaneously
It closes, reduces the consumption of pure oxygen when not in use, effectively increase the outgoing service efficiency carried of patient, it is simple in structure, it uses
It is convenient；Coordinate multinomial protection structure simultaneously so that the equipment safety greatly improves.
In conclusion applicant thinks that the structure, occupation mode, realization of above-mentioned documents and the present utility model application are controlled
Treatment means etc. are all different, it is possible thereby to verify the novelty and creativeness of the utility model.
Invention content
The purpose of the utility model is to overcome in place of the deficiencies in the prior art, provide a kind of the portable of air pump auxiliary pressure supply
Formula oxygen therapy device, the device is highly integrated, is carried convenient for patient and inhales mist at any time and inhale medicine treatment, and can pass through ftercompction air pump
Increase the soakage of patient's air and atomization medicine, intensive treatment effect.
The purpose of this utility model is achieved through the following technical solutions：
A kind of Portable oxygen therapeutic device of air pump auxiliary pressure supply, including support plate, it is characterised in that：The support plate lower part
It is installed with four-way oxygen therapy chamber, ftercompction air pump is fixedly mounted in the side of support plate, and respiration bottle is detachably installed in the other side；Institute
It states and is communicated with four hoses on four-way oxygen therapy chamber, wherein the other end of the first hose is connected to the outlet side of ftercompction air pump, the
The external of the other end of two hoses and four-way oxygen therapy chamber is connected to, and the other end of third hose is communicated with pressure release hand holding handle, and the 4th
The other end of hose is connected to the inlet end of respiration bottle；The outlet side of the respiration bottle is connected with breathing mask.
The preferred technical solution of the utility model is：Four-way oxygen therapy intracavitary, which is movably installed with, blocks the first of the first hose
Membrane and the second membrane for blocking the second hose.
The preferred technical solution of the utility model is：Breathing mask includes suction muffler, expiration chamber and mask, wherein suction muffler
It is connected to mask inside；The outlet side of the suction muffler and respiration bottle is communicated with the 5th hose, and is movably installed in suction muffler
Block the third membrane of the 5th hose；The expiration chamber is inlaid in inside suction muffler, is formed on the expiration chamber and suction muffler
The venthole of inside connection, and the exhaling hole being connected to suction muffler outside is also formed on expiration chamber；Hinge dress outside the expiration chamber
There is the adjustable shift gas plate for blocking exhaling hole, gear stomata is formed in the shift gas plate；It is logical that the expiration intracavitary is movably installed with closure
4th membrane of stomata.
The preferred technical solution of the utility model is：Compound sticking has air pump holder in support plate, solid on the air pump holder
Dingan County fills ftercompction air pump.
The preferred technical solution of the utility model is：It is formed with relief hole on pressure release hand holding handle.
The advantages of the utility model and economic effect are：
The Portable oxygen therapeutic device of the utility model is provided with the four-way oxygen therapy chamber of Highgrade integration, can pass through connection
First hose and the realization of the second hose are passed through air and oxygen, and air is made to be sufficiently mixed in four-way oxygen therapy intracavitary with oxygen；
It can be connected to pressure release hand holding handle by third hose, and so that patient is held pressure release hand holding handle and is blocked pressure relief vent with thumb and realize pressure
Protection prevents the uncomfortable diseases such as ftercompction air pump and the excessive cough for causing patient's sucking fog excessively in turn result in of oxygen source pressure
Shape；By the 4th hose pressure gas source can be provided for respiration bottle；Expiration can be realized by fitting in the breathing mask of patient facial region
It is exchanged with the gas circuit of air-breathing；Finally by highly integrated structure design, the overall volume of Portable oxygen therapeutic device is reduced, is made
Device can be positioned in pocket and carry by patient.
Description of the drawings
Fig. 1 is the front view (gas circuit connection diagram) of the utility model；
Fig. 2 is the Portable oxygen therapeutic device rearview (broken section) of the utility model；
Fig. 3 is the side view (broken section) of Fig. 2；
Fig. 4 is the four-way oxygen therapy chamber vertical view of the utility model.
In figure：1- masks；2- suction mufflers；3- ventholes；The 4th membranes of 4-；5- expiration chambers；6- exhaling holes；7- keeps off gas
Hole；8- shift gas plates；9- third membranes；The 5th hoses of 10-；11- ftercompction air pumps；12- air pump holders；The first hoses of 13-；
14- support plates；The second hoses of 15-；16- four-way oxygen therapy chambers；17- third hoses；18- pressure release hand holding handles；19- respiration bottles；20-
4th hose；21- is atomized bottle rack；22- relief holes；23- cylinder supporting racks；The second membranes of 24-；The first one-way membranes of 25-
Piece.
Specific implementation mode
For that can further appreciate that the contents, features and effects of the utility model, the following examples are hereby given, and coordinates attached drawing
Detailed description are as follows.It should be noted that the present embodiment is descriptive, it is not restrictive, cannot thus limits this practicality
Novel protection domain.
A kind of Portable oxygen therapeutic device of air pump auxiliary pressure supply, including support plate 14, it is characterised in that：Under the support plate
Portion is installed with four-way oxygen therapy chamber 16, and ftercompction air pump 11 is fixedly mounted in the side of support plate, and mist is detachably installed in the other side
Change bottle 19；Four hoses are communicated on the four-way oxygen therapy chamber, wherein first other end of hose 13 and going out for ftercompction air pump
Gas end is connected to, and the other end of the second hose 15 is connected to the external of four-way oxygen therapy chamber, and the other end of third hose 17 is communicated with
The other end of pressure release hand holding handle 18, the 4th hose 20 is connected to the inlet end of respiration bottle；The outlet side of the respiration bottle is connected with
Breathing mask.
The preferred technical solution of the utility model is：Four-way oxygen therapy intracavitary, which is movably installed with, blocks the first of the first hose
Membrane 25 and the second membrane 24 for blocking the second hose.
The preferred technical solution of the utility model is：Breathing mask includes suction muffler 2, expiration chamber 5 and mask 1, wherein inhaling
It is connected to inside air cavity and mask；The outlet side of the suction muffler and respiration bottle is communicated with the 5th hose 10, and movable in suction muffler
The third membrane 9 for blocking the 5th hose is installed；The expiration chamber is inlaid in inside suction muffler, be formed on the expiration chamber with
The venthole 3 being connected to inside suction muffler, and the exhaling hole 6 being connected to suction muffler outside is also formed on expiration chamber；The expiration chamber
Outside is hinged with the adjustable shift gas plate 8 for blocking exhaling hole, and gear stomata 7 is formed in the shift gas plate；The expiration intracavitary activity peace
Equipped with the 4th membrane 4 for blocking venthole.
The preferred technical solution of the utility model is：Compound sticking has air pump holder 12 in support plate, on the air pump holder
Ftercompction air pump is fixedly mounted.
The preferred technical solution of the utility model is：Relief hole 22 is formed on pressure release hand holding handle.
In addition the utility model is preferred, and support plate side compound sticking has air pump holder, other side compound sticking to have mist
Change bottle rack 21, and ftercompction air pump is fixedly mounted on air pump holder, is atomized on bottle rack and clamps respiration bottle.
In addition the utility model is preferred, and respiration bottle frame bottom compound sticking has cylinder supporting rack 23, and respiration bottle is close
Envelope is mounted at the top of cylinder supporting rack, penetrated in the middle part of the 4th hose the both ends of cylinder supporting rack and the 4th hose respectively with atomization
The inlet end and four-way oxygen therapy chamber of bottle are tightly connected；Because respiration bottle is detachable installation, therefore the 4th hose and respiration bottle
Inlet end need to use movable plug type connect, for ensure both sealing performance, prevent the inlet end position of respiration bottle
Gas leakage occurs, therefore the cylinder supporting rack of sealing is set, that is, realizes the sealing support of respiration bottle, while also achieving the 4th
The sealing of hose is fixed.
More clearly to explain the specifically used mode of the utility model, a kind of embodiment is provided below：
The purpose of design of the utility model is that the Portable oxygen therapeutic device of pressure supply is assisted by a kind of air pump, is ensureing to be atomized
On the basic function of oxygen therapy, also added ftercompction air pump, pressure release hand holding handle and breathing mask, can make patient according to their needs with
When carry out nebulae inhalation everywhere, in addition ftercompction air pump practical in this programme can be battery powered and fixed power source power supply, and
The first membrane and the second membrane is respectively set, realization is passed through oxygen and is isolated with the gas circuit for being passed through air, when outside patient
Go out to carry and in use, can be not necessarily to the second hose being connected to external oxygen supply equipment, only ftercompction air pump work provides compressed gas；
In addition ftercompction air pump can be suitably closed when patient's hypoxic conditions are serious, make to be passed through high-concentration oxygen in respiration bottle, and by patient
Sucking, to reach therapeutic purposes.
In addition, since the ventilatory capacity of liquid bottle is smaller, and can control shift gas plate to block exhaling hole when patient expiration, to increase
Increase the resistance exhaled with air-breathing, to temper the locomotor activity of patient lungs' cell, specific gas circuit connection is by with lower section
Formula is realized：
1, when patient breaths, ftercompction air pump is opened and is ventilated from the first hose to four-way oxygen therapy intracavitary, external oxygen
The second hose of source is ventilated to four-way oxygen therapy intracavitary, and after so that air with pressure is sufficiently mixed with oxygen, gaseous mixture is through the 4th hose
It is passed into respiration bottle, finally cooperation atomization liquid is sucked by patient in lung together；It should be noted that when patient sucks excessively
Fog and lead to cough etc. not in due course, sealing to relief hole can be decontroled with finger, so that gaseous mixture is discharged through relief hole, and then subtract
The fog-supplying amount of small respiration bottle outlet side；In addition the 4th membrane of expiration intracavitary shuts venthole when patient breaths, and third
Membrane is opened, and so that the gaseous mixture in the 5th hose is passed through mask through suction muffler, and finally sucked by patient.
2, when patient expiration, third membrane blocks the 5th hose, and the 4th membrane is opened, and makes patient by expiratory air
Body is discharged successively through venthole, expiration chamber and exhaling hole；And the work shape of ftercompction air pump, external oxygen supply equipment and respiration bottle at this time
State is identical as state when patient breaths.
It should be understood that for those of ordinary skills, it can be modified or changed according to the above description,
And all these modifications and variations should all belong to the protection domain of the appended claims for the utility model.
Claims (5)
1. a kind of Portable oxygen therapeutic device of air pump auxiliary pressure supply, including support plate, it is characterised in that：The support plate lower part is solid
Dingan County is equipped with four-way oxygen therapy chamber, and ftercompction air pump is fixedly mounted in the side of support plate, and respiration bottle is detachably installed in the other side；It is described
Four hoses are communicated on four-way oxygen therapy chamber, wherein the other end of the first hose is connected to the outlet side of ftercompction air pump, second
The other end of hose is connected to the external of four-way oxygen therapy chamber, and the other end of third hose is communicated with pressure release hand holding handle, and the 4th is soft
The other end of pipe is connected to the inlet end of respiration bottle；The outlet side of the respiration bottle is connected with breathing mask.
2. a kind of Portable oxygen therapeutic device of air pump auxiliary pressure supply according to claim 1, it is characterised in that：The four-way
Road oxygen therapy intracavitary is movably installed with the first membrane for blocking the first hose and blocks the second membrane of the second hose.
3. a kind of Portable oxygen therapeutic device of air pump auxiliary pressure supply according to claim 1, it is characterised in that：The breathing
Mask includes being connected to inside suction muffler, expiration chamber and mask, wherein suction muffler and mask；The outlet of the suction muffler and respiration bottle
End is communicated with the 5th hose, and the third membrane for blocking the 5th hose is movably installed in suction muffler；The expiration chamber is embedding
Inside suction muffler, be formed on the expiration chamber with the venthole that is connected to inside suction muffler, and be also formed on expiration chamber and air-breathing
The exhaling hole being connected to outside chamber；It is hinged with the adjustable shift gas plate for blocking exhaling hole outside the expiration chamber, is made in the shift gas plate
There is gear stomata；The expiration intracavitary is movably installed with the 4th membrane for blocking venthole.
4. a kind of Portable oxygen therapeutic device of air pump auxiliary pressure supply according to claim 1, it is characterised in that：The support
Compound sticking has air pump holder on plate, and ftercompction air pump is fixedly mounted on the air pump holder.
5. a kind of Portable oxygen therapeutic device of air pump auxiliary pressure supply according to claim 1, it is characterised in that：The pressure release
Relief hole is formed on hand holding handle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820548606.2U CN208073708U (en) | 2018-04-18 | 2018-04-18 | A kind of Portable oxygen therapeutic device of air pump auxiliary pressure supply |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820548606.2U CN208073708U (en) | 2018-04-18 | 2018-04-18 | A kind of Portable oxygen therapeutic device of air pump auxiliary pressure supply |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208073708U true CN208073708U (en) | 2018-11-09 |
Family
ID=64041972
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820548606.2U Expired - Fee Related CN208073708U (en) | 2018-04-18 | 2018-04-18 | A kind of Portable oxygen therapeutic device of air pump auxiliary pressure supply |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208073708U (en) |
-
2018
- 2018-04-18 CN CN201820548606.2U patent/CN208073708U/en not_active Expired - Fee Related
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|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181109 Termination date: 20190418 |
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| CF01 | Termination of patent right due to non-payment of annual fee |