CN110292694A - A kind of adjustable ICU assisted respirator - Google Patents
A kind of adjustable ICU assisted respirator Download PDFInfo
- Publication number
- CN110292694A CN110292694A CN201910598993.XA CN201910598993A CN110292694A CN 110292694 A CN110292694 A CN 110292694A CN 201910598993 A CN201910598993 A CN 201910598993A CN 110292694 A CN110292694 A CN 110292694A
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- CN
- China
- Prior art keywords
- connecting plate
- mask
- grip block
- plate
- mounting
- 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
- 230000000712 assembly Effects 0.000 claims abstract description 21
- 238000000429 assembly Methods 0.000 claims abstract description 21
- 238000009434 installation Methods 0.000 claims abstract description 5
- 230000029058 respiratory gaseous exchange Effects 0.000 claims description 8
- 238000002627 tracheal intubation Methods 0.000 claims description 8
- 230000037431 insertion Effects 0.000 claims 1
- 238000003780 insertion Methods 0.000 claims 1
- 239000007787 solid Substances 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 4
- 230000000717 retained effect Effects 0.000 abstract description 2
- 235000013399 edible fruits Nutrition 0.000 abstract 1
- 230000001815 facial effect Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 208000010513 Stupor Diseases 0.000 description 2
- 208000027418 Wounds and injury Diseases 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- 208000014674 injury Diseases 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 206010010071 Coma Diseases 0.000 description 1
- 206010011985 Decubitus ulcer Diseases 0.000 description 1
- 235000008331 Pinus X rigitaeda Nutrition 0.000 description 1
- 235000011613 Pinus brutia Nutrition 0.000 description 1
- 241000018646 Pinus brutia Species 0.000 description 1
- 208000004210 Pressure Ulcer Diseases 0.000 description 1
- 208000005392 Spasm Diseases 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000036461 convulsion Effects 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 230000000474 nursing effect Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 238000002644 respiratory therapy Methods 0.000 description 1
- 230000001225 therapeutic effect Effects 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES 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
- A61M16/00—Devices for influencing the respiratory system of patients by gas treatment, e.g. mouth-to-mouth respiration; Tracheal tubes
- A61M16/06—Respiratory or anaesthetic masks
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES 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
- A61M16/00—Devices for influencing the respiratory system of patients by gas treatment, e.g. mouth-to-mouth respiration; Tracheal tubes
- A61M16/06—Respiratory or anaesthetic masks
- A61M16/0605—Means for improving the adaptation of the mask to the patient
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES 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
- A61M16/00—Devices for influencing the respiratory system of patients by gas treatment, e.g. mouth-to-mouth respiration; Tracheal tubes
- A61M16/06—Respiratory or anaesthetic masks
- A61M16/0683—Holding devices therefor
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)
- Respiratory Apparatuses And Protective Means (AREA)
- Percussion Or Vibration Massage (AREA)
Abstract
The invention discloses a kind of adjustable ICU assisted respirators, it is related to technical field of medical equipment, including mounting plate, mask, clamp assemblies and adjusting component, the mask is connected on a mounting board by conduit, and conduit is connected to mask, clamp assemblies are rotatably installed in the both ends of mounting plate respectively, clamp assemblies include connecting plate and grip block, grip block can slide on connecting plate, to adjust the length of retained part, the junction of mounting plate and connecting plate has torque spring, component installation is adjusted on a mounting board close to the position of connecting plate, the torque spring that different torque magnitudes can be switched by adjusting component acts on connecting plate, and then different size of torsion is generated to grip block, assisted respirator of the invention is set to can adapt to the chucking power demand under different situations, enhance the usage experience of patient, promote treatment effect Fruit.
Description
Technical field
The present invention relates to technical field of medical equipment, more particularly to a kind of adjustable ICU assisted respirator.
Background technique
ICU full name Intensive Care Unit, i.e., usually said intensive care unit, the patient receiving treatment in ICU
The state of an illness is all very serious, therefore can largely mitigate the state of an illness of patient by way of reinforcing treatment, nursing, rehabilitation,
And accelerate to cure speed.
The patient treated in ICU often will appear the case where stupor, autonomous respiration reduced capability under comatose state, if
Without the respiratory therapy of external world's auxiliary, patient is then very possible because oxygen insufficiency of intake causes more serious injury,
Therefore each bed can be equipped with ventilator in the ward ICU, in case providing assisted respiartion treatment when patient's stupor.Ventilator is general
Patient facial region is all worn on by way of breathing mask, since patient is easy to appear the row such as spasm, twitch over the course for the treatment of
For in order to avoid breathing mask falls off, it is therefore desirable to it are fixed on patient for example, by the mode tied up and faced, usually using pine
Taut band or bandage are fixed.But elastic band or bandage needs cover on the head of patient, need in actual use by
The head of patient is lifted, then again by elastic band or harness jacket, for some special circumstances patients, and slip-on head rashly
Portion very likely results in secondary injury.In order to solve this problem, also have at present and be fixed on breathing mask by way of folder
Patient facial region, such as the Chinese invention patent application of Publication No. CN108744214A just pass through torsion in the two sides of breathing mask
Power spring rebound clip holds component, and clamp assemblies could be sandwiched in patient facial region after opening, this mode is not necessarily to lift patients head, and
And one can be completed.
However, in above-mentioned patent, need respectively to be broken into two with one's hands two clamp assemblies with hand and be clipped in patient facial region again, and clamps
The chucking power of component be it is fixed, larger situation is differed to the head sizes size such as adult or children, if chucking power compared with
Greatly, it wears uncomfortable it will cause adult, or even causes pressure sore, and if chucking power is smaller, for child patient again
It is easier to fall off, loses due fixed function.
Summary of the invention
The embodiment of the invention provides a kind of adjustable ICU assisted respirators, can solve existing in the prior art
Problem.
The present invention provides a kind of adjustable ICU assisted respirators, including mounting plate, mask, clamp assemblies and adjusting
Component, the mask are connected on a mounting board by conduit；
The both ends of the mounting plate are rotatably equipped with the clamp assemblies respectively, and the clamp assemblies include connecting plate and folder
Plate is held, the connecting plate is rotatably connected on the end of the mounting plate by connecting shaft, and the grip block is mounted on connection backboard
To multiple torque springs on the side of the mounting plate, are socketed in the connecting shaft, multiple torque spring provides the peace
The elastic force that two connecting plates of loading board end move towards；
The component that adjusts includes U-shaped mounting base and the bar for being separately fixed at the mounting base both ends, the installation
Seat includes bottom bar and the upright bar for being respectively and vertically fixed at the bottom bar board ends, and two levers are respectively and vertically fixed at two institutes
The end of upright bar is stated, and two levers are oppositely arranged, with the sky of certain distance between the opposite end of two levers
Gap, the mounting plate offer through-hole on the close side wall with the clamp assemblies junction, the axial direction of the through-hole with it is described
The axial direction of connecting shaft is parallel, and the bottom bar is inserted into the through-hole and slides axially wherein, and one of the torque spring
Elastic arm supports on a mounting board, another elastic arm supports on the lever or the connecting plate for adjusting component.
A kind of adjustable ICU assisted respirator provided by the invention, including mounting plate, mask, clamp assemblies and adjusting
Component, the mask is connected on a mounting board by conduit, and conduit is connected to mask, and clamp assemblies are rotatably installed in peace respectively
The both ends of loading board, clamp assemblies include connecting plate and grip block, and grip block can slide on connecting plate, to adjust retained part
The junction of length, mounting plate and connecting plate has torque spring, adjusts component installation on a mounting board close to the position of connecting plate
It sets, the torque spring that can switch different torque magnitudes by adjusting component acts on connecting plate, and then generates to grip block
Different size of torsion makes assisted respirator of the invention can adapt to the chucking power demand under different situations, enhances patient
Usage experience, promoted therapeutic effect.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
It obtains other drawings based on these drawings.
Fig. 1 is a kind of overall structure diagram of adjustable ICU assisted respirator provided in an embodiment of the present invention；
Fig. 2 is the overlooking structure diagram of breathing equipment in Fig. 1；
Fig. 3 is the structural schematic diagram that component and connecting shaft are adjusted in Fig. 1.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Together referring to FIG. 1, FIG. 2 and FIG. 3, a kind of adjustable ICU assisted respirator is provided in the embodiment of the present invention, is wrapped
It includes mounting plate 100, mask 200, clamp assemblies 300 and adjusts component 400, be equipped on the mask 200 and be connected to its inside
Conduit 110, which runs through and is fixed on the center of the mounting plate 100, and the conduit 110 is stretching out the installation
The end of plate 100 is connected with air inlet pipe (not shown), which is connected to breathing equipment, by what is stored in the equipment such as gas cylinder
Oxygen is delivered in the mask 200.
In the present embodiment, the mask 200 is detachably connected with conduit 110, can be selected not according to the case where patient
With the mask of size, specifically, the side of the mask 200 is fixedly installed with intubation, connects inside the intubation and the mask 200
Logical, the internal diameter of the intubation is suitable with the outer diameter of the conduit 110, therefore conduit 110 is inserted into intubation, conduit can be realized
110 are connected to mask 200.Multiple ventholes 210 are offered on the mask 200, for the air of patient's exhalation to be discharged.
The both ends of the mounting plate 100 are rotatably equipped with the clamp assemblies 300, the clamp assemblies 300 respectively
Including connecting plate 310 and grip block 320, the connecting plate 310 is rotatably connected on the mounting plate 100 using connecting shaft 120
End, the grip block 320 are then slidably mounted on connecting plate 310 back on the side of the mounting plate 100.In the present embodiment
In, a pair of of mounting ear is respectively and fixedly provided on the end of the mounting plate 100 and connecting plate 310, after the clamping of two pairs of mounting ear, the company
Spindle 120, which sequentially passes through these two pair mounting ear, can be realized the rotation connection of the connecting plate 310 and grip block 320.
Multiple torque springs 121 are socketed in the connecting shaft 120, multiple torque spring 121 is capable of providing the peace
The elastic force that two connecting plates 310 of 100 end of loading board move towards.In the present embodiment, what multiple torque springs 121 provided
Elastic force is all different, and is arranged successively according to the sequence of elastic force from big to small or from small to large.In order to avoid torque spring 121
It is slided in the connecting shaft 120, is further fixed on multipair limited block in the connecting shaft 120, every a pair of limited block is by an institute
It states torque spring 121 to be clipped in the middle, limitation torque spring 121 slides in the connecting shaft 120.
The connecting plate 310 offers T-slot on the side back to the mounting plate 100, and the grip block 320 is in court
Have on the side of connecting plate 310 and is and the T-slot with the matched T-block of the T-slot or the grip block 320
Matched shape, the grip block 320 or T-block thereon, which are inserted into the T-slot, can be realized the grip block 320
On connecting plate 310 slidably.In the present embodiment, the connecting plate 310 is with the arc panel for fixing curvature, and the arc panel
It is located at the inside of the arc panel in the junction with the mounting plate 100, the grip block 320 has and the connecting plate 310
Identical curvature, and the length of grip block 320 is greater than connecting plate 310, therefore the grip block 320 slides on connecting plate 310
When can make grip block 320 stretch out connecting plate 310 part elongation or shorten so that grip block 320 shorten when can be from trouble
The face of person is caught in, and when elongation can be clipped in patients head.
In order to facilitate position of the grip block 320 on connecting plate 310 is adjusted, i.e. adjustment grip block 320 stretches out connection
The length of plate 310, two grip blocks 320 are fixedly installed with holding plate 321 in opposite end respectively, with hand pinch this two
A holding plate 321 can be such that grip block 320 moves on connecting plate 310, and then adjust grip block 320 and stretch out connecting plate 310
Length.
In order to enable the grip block 320 is stable to be when in use clipped in patients head, the inside of the grip block 320
It is fixedly installed with fixed block 330 on face, is connected between the fixed block 330 and the end of the connecting plate 310 by spring 340,
The spring 340 is capable of providing the elastic force that the grip block 320 stretches out, and the grip block 320 is enable to extend in no external force
To maximum length, stable holding is on the head of patient.
The component 400 that adjusts includes U-shaped mounting base 410 and the bar for being separately fixed at 410 both ends of mounting base
420, the mounting base 410 includes bottom bar and the upright bar for being respectively and vertically fixed at the bottom bar board ends, and two upright bar positions
In the same side of the bottom bar, two levers 420 are respectively and vertically fixed at the end of two upright bars, and described in two
Lever 420 is oppositely arranged, between the opposite end of two levers 420 with certain distance gap, the gap at least more than
The diameter of the maximum torque spring of diameter, makes any one of in the multiple torque springs 121 installed in the connecting shaft 120
The elastic arm of torque spring 121 can pass through the gap.
The mounting plate 100 offers through-hole on the close side wall with 300 junction of clamp assemblies, the through-hole
It is axial axial parallel with the connecting shaft 120, and the sectional dimension of the through-hole and the section for adjusting 400 insole lever of component
Size is suitable, and the bottom bar is inserted into the through-hole and can slide axially wherein.The length of the bottom bar is greater than through-hole
Length, and the length difference of the two is at least equal between two torque springs 121 nearest from both ends in the connecting shaft 120
Distance enables the gap between two levers 420 to be moved to the position of all torque springs 121.
When specifically used, an elastic arm of the torque spring 121 is supported on mounting plate 100, another elastic arm supports
In the adjusting component 400 on side of the lever 420 towards bottom bar, when the adjusting component 400 slides on mounting plate 100
When, since torque spring 121 is fixed, opposite slide can be occurred with torque spring 121 by adjusting component 400.Once
Gap between two levers 420 is moved at the elastic arm of any one torque spring 121, and elastic arm passes through sky under the effect of elasticity
Gap simultaneously supports on connecting plate 310, and clamp assemblies 300 is made to have the trend moved toward one another.And need to be switched to torsion it is bigger or
It when the smaller torque spring 121 of person, continues to move to adjust component 400, the gap between two levers 420 also starts to move, and moves
It moves one of lever 420 and supports when the elastic arm on connecting plate 310 contacts, with continuing to move to for adjusting component 400
The lever 420 is inserted between elastic arm and connecting plate 310, and elastic arm is finally made to be restored to the state supported on lever 420.It adjusts
Section component 400 continues to move to, and the elastic arm of next torque spring 121 passes through gap and supports on connecting plate 310, more than repetition
Process, it is known that need the torque spring 121 of torsion to support on connecting plate 310, thus accomplished that torsion can be according to
The purpose for needing to adjust.
In the present embodiment, in order to make the adjusting component 400 not occur to turn under the effect of the elastic force of torque spring 121
Dynamic, the section for adjusting 400 insole lever 410 of component is the non-circular structures such as rectangle, triangle, on the mounting plate 100
Through-hole be also correspondingly-shaped, make adjust component 400 can only will not rotate along the axial movement of through-hole.Simultaneously as shelves
Bar 420 has certain thickness, is not easy to when being inserted between the elastic arm of torque spring 121 and connecting plate 310, the present invention exists
Offer the groove of strip on the side of the connecting plate 310, the depth of the groove at least equal to lever 420 thickness, it is described
The lever 420 for adjusting component 400 is located in the groove, and the surface of lever 420 is lower than or neat with the surface of connecting plate 310
It is flat, therefore even if torque spring 121 supports on connecting plate 310, it also can be easily inserted into when lever 420 moves in a groove
To between elastic arm and connecting plate 310.
Assisted respirator of the invention use process is as follows: first installed on conduit 110 according to the actual conditions of patient
Then the mask 200 being sized for pinches the holding plate 321 on two grip blocks 320 with two fingers of a hand, until two
The end of a grip block 320 is close together, and moves on connecting plate 310 with grip block 320 at this time, 320 pairs of companies of grip block
Fishplate bar 310 generates pressure, and connecting plate 310 rotates on mounting plate 100 together with grip block 320, supports in 100 He of mounting plate
121 forced compression of torque spring between connecting plate 310 is adjusted under then covering the mouth and nose position of 200 face patient of mask
Behind the position of mask 200, holding plate 321 is unclamped, grip block 320 pops up under the elastic force effect of spring 340, and is clamped in patient
Head, while connecting plate 310 drives grip block 320 to rotate on mounting plate 100 under the twisting force of torque spring 121,
Make 320 held tight of grip block in patients head, the wearing stability of mask 200 is further promoted, to the tune of torque spring 121
Section can refer to foregoing description, and details are not described herein again.
Disclosed above is only several specific embodiments of the invention, and still, the embodiment of the present invention is not limited to this, is appointed
What what those skilled in the art can think variation should all fall into protection scope of the present invention.
Claims (9)
1. a kind of adjustable ICU assisted respirator, which is characterized in that including mounting plate, mask, clamp assemblies and adjusting group
Part, the mask are connected on a mounting board by conduit；
The both ends of the mounting plate are rotatably equipped with the clamp assemblies respectively, and the clamp assemblies include connecting plate and clamping
Plate, the connecting plate are rotatably connected on the end of the mounting plate by connecting shaft, the grip block be mounted on connecting plate back to
On the side of the mounting plate, multiple torque springs are socketed in the connecting shaft, multiple torque spring provides the installation
The elastic force that two connecting plates of plate end move towards；
The component that adjusts includes U-shaped mounting base and the bar for being separately fixed at the mounting base both ends, the mounting base packet
Include bottom bar and the upright bar for being respectively and vertically fixed at the bottom bar board ends, two levers be respectively and vertically fixed at two it is described vertical
The end of bar, and two levers are oppositely arranged, with the gap of certain distance, institute between the opposite end of two levers
It states mounting plate and offers through-hole on the close side wall with the clamp assemblies junction, the axial direction of the through-hole and the connecting shaft
It is axial parallel, the bottom bar is inserted into the through-hole and slides axially wherein, and an elastic arm of the torque spring supports
It holds on a mounting board, another elastic arm supports on the lever or the connecting plate for adjusting component.
2. a kind of adjustable ICU assisted respirator as described in claim 1, which is characterized in that in the conduit and mask
Portion's connection, the conduit are connected with air inlet pipe in the end for stretching out the mounting plate, which is connected to breathing equipment.
3. a kind of adjustable ICU assisted respirator as claimed in claim 2, which is characterized in that the side of the mask is solid
Dingan County is connected to equipped with intubation, the intubation and mask inside, and the internal diameter of the intubation is suitable with the outer diameter of the conduit, described to lead
Pipe, which is inserted into intubation, realizes that conduit is connected to mask.
4. a kind of adjustable ICU assisted respirator as described in claim 1, which is characterized in that multiple torque springs
The elastic force of offer is all different, and is sequentially arranged in the connecting shaft according to the sequence of elastic force from big to small or from small to large
On.
5. a kind of adjustable ICU assisted respirator as described in claim 1, which is characterized in that the connecting plate back to
T-slot is offered on the side of the mounting plate, the grip block has and the T-slot on the side towards connecting plate
Perhaps the grip block is T-block insertion with the T-slot matched shape grip block or thereon to the T-block matched
Realize that the grip block slides on connecting plate into the T-slot.
6. a kind of adjustable ICU assisted respirator as described in claim 1, which is characterized in that two grip blocks exist
Opposite end is fixedly installed with holding plate respectively.
7. a kind of adjustable ICU assisted respirator as described in claim 1, which is characterized in that the inside of the grip block
It is fixedly installed with fixed block on face, is connected between the fixed block and the end of the connecting plate by spring, which provides institute
State the elastic force of grip block stretching.
8. a kind of adjustable ICU assisted respirator as described in claim 1, which is characterized in that the side of the connecting plate
On offer the groove of strip, at least equal to the thickness of the lever, the lever is located in the groove for the depth of the groove, and
The surface of the lever is lower than the surface of the connecting plate or flushes with the surface of connecting plate.
9. a kind of adjustable ICU assisted respirator as described in claim 1, which is characterized in that offered on the mask
Multiple ventholes, for the air of patient's exhalation to be discharged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910598993.XA CN110292694B (en) | 2019-07-04 | 2019-07-04 | ICU assisted respiration device with adjustable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910598993.XA CN110292694B (en) | 2019-07-04 | 2019-07-04 | ICU assisted respiration device with adjustable |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110292694A true CN110292694A (en) | 2019-10-01 |
| CN110292694B CN110292694B (en) | 2021-04-06 |
Family
ID=68030219
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910598993.XA Expired - Fee Related CN110292694B (en) | 2019-07-04 | 2019-07-04 | ICU assisted respiration device with adjustable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110292694B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4465067A (en) * | 1982-04-24 | 1984-08-14 | Dragerwerk Aktiengesellschaft | Oxygen insufflation device |
| US20110005047A1 (en) * | 2009-07-13 | 2011-01-13 | Dhananjay Gangakhedkar | Adjustable cam buckle |
| US20120174928A1 (en) * | 2001-09-07 | 2012-07-12 | Resmed Limited | Mask assembly |
| CN204319549U (en) * | 2014-11-07 | 2015-05-13 | 3M中国有限公司 | The fixture of breathing mask and apply its breathing mask |
| CN108744214A (en) * | 2018-06-28 | 2018-11-06 | 王伟 | A kind of respirator for first aid |
| CN209048827U (en) * | 2018-06-09 | 2019-07-02 | 黔西南布依族苗族自治州人民医院 | A kind of adjustable Oxygen tube of anti-dropout |
-
2019
- 2019-07-04 CN CN201910598993.XA patent/CN110292694B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4465067A (en) * | 1982-04-24 | 1984-08-14 | Dragerwerk Aktiengesellschaft | Oxygen insufflation device |
| US20120174928A1 (en) * | 2001-09-07 | 2012-07-12 | Resmed Limited | Mask assembly |
| US20110005047A1 (en) * | 2009-07-13 | 2011-01-13 | Dhananjay Gangakhedkar | Adjustable cam buckle |
| CN204319549U (en) * | 2014-11-07 | 2015-05-13 | 3M中国有限公司 | The fixture of breathing mask and apply its breathing mask |
| CN209048827U (en) * | 2018-06-09 | 2019-07-02 | 黔西南布依族苗族自治州人民医院 | A kind of adjustable Oxygen tube of anti-dropout |
| CN108744214A (en) * | 2018-06-28 | 2018-11-06 | 王伟 | A kind of respirator for first aid |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110292694B (en) | 2021-04-06 |
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Granted publication date: 20210406 |