CN105031795A - Leech bionic ventilation mask - Google Patents
Leech bionic ventilation mask Download PDFInfo
- Publication number
- CN105031795A CN105031795A CN201510518808.3A CN201510518808A CN105031795A CN 105031795 A CN105031795 A CN 105031795A CN 201510518808 A CN201510518808 A CN 201510518808A CN 105031795 A CN105031795 A CN 105031795A
- Authority
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- China
- Prior art keywords
- hirudo
- bionical
- class
- annular
- ring
- 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.)
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Links
- 238000009423 ventilation Methods 0.000 title claims abstract description 46
- 241000545744 Hirudinea Species 0.000 title abstract 8
- 239000011664 nicotinic acid Substances 0.000 title abstract 8
- 210000000214 Mouth Anatomy 0.000 claims abstract description 76
- 210000003491 Skin Anatomy 0.000 claims abstract description 61
- 210000001331 Nose Anatomy 0.000 claims abstract description 59
- 238000007789 sealing Methods 0.000 claims abstract description 38
- 230000029058 respiratory gaseous exchange Effects 0.000 claims abstract description 13
- 241000237903 Hirudo Species 0.000 claims description 104
- 230000001815 facial Effects 0.000 claims description 49
- 241000252254 Catostomidae Species 0.000 claims description 34
- 230000001413 cellular Effects 0.000 claims description 27
- 230000002093 peripheral Effects 0.000 claims description 10
- 239000000463 material Substances 0.000 claims description 7
- 239000000499 gel Substances 0.000 claims description 4
- 239000000741 silica gel Substances 0.000 claims description 4
- 229910002027 silica gel Inorganic materials 0.000 claims description 4
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicium dioxide Chemical compound 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- 210000004894 snout Anatomy 0.000 claims description 2
- 238000005399 mechanical ventilation Methods 0.000 abstract description 2
- 239000002344 surface layer Substances 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 6
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- 238000004519 manufacturing process Methods 0.000 description 4
- 238000002955 isolation Methods 0.000 description 3
- 239000007779 soft material Substances 0.000 description 3
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- 239000000853 adhesive Substances 0.000 description 2
- 230000037005 anaesthesia Effects 0.000 description 2
- 230000003444 anaesthetic Effects 0.000 description 2
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Abstract
The invention discloses a leech bionic ventilation mask. The leech bionic ventilation mask comprises a connector used for being connected with a breathing pipe, a ventilation mask body and a leech bionic cushion used for being in sealing contact with the portions, on the periphery of the mouth and the periphery of the nose of the human body, of the face skin during ventilation. The leech bionic cushion comprises an approximately-annular base body basically attached to the portions, on the periphery of the mouth and the periphery of the nose of the human body, of the face skin in shape and an approximately-annular suction cup face arranged on the surface layer of the lower portion of the base body and used for being in close contact with the portions, on the periphery of the mouth and the periphery of the nose of the human body, of the face skin. According to the leech bionic ventilation mask, the base body provided with the approximately-annular suction cup face is sucked to the portions, on the periphery of the mouth and the periphery of the nose, of the face skin through the continuous negative pressure, and the quite good sealing performance can be provided during ventilation. When the leech bionic ventilation mask conducts mechanical ventilation, the sealing performance is good, air leakage and wrong sucking can be avoided thoroughly, and the leech bionic ventilation mask is safe and reliable.
Description
Technical field
The present invention relates to a kind of Ventilation mask, especially a kind of
the bionical Ventilation mask of Hirudo, belong to the technical field of medical apparatus and instruments.
Background technology
Anaesthetic mask is the ventilation instrument of noinvasive Breathing Suppotion, and when noinvasive is breathed, patients with respiratory tract is isolated, for patient provides Breathing Suppotion with extraneous by face shield.
The principle that patients with respiratory tract is isolated from the outside by current face shield is compressing isolation, during noinvasive Breathing Suppotion need with band by the class annular soft pad circle of face shield or air bag compressing tightly in patient's mouth and nose surrounding, long compressing may cause patient face portion blood supply insufficiency, and easily because face shield displacement causes gas leakage to cause Breathing Suppotion failure, cause unexpected generation.
Of short duration Breathing Suppotion during induction of anesthesia need hold up patient's lower jaw by anesthetist, and with the hands by the class annular soft pad circle of face shield or air bag compressing tightly in patient's mouth and nose surrounding.This method and technology requires high, needs professional anesthetist could correctly to grasp through formal training.Run into patient comparatively fat time, during ventilation, anesthetist very requires great effort, and the assisted ventilation of blink is just dripping with perspiration greatly, needs operation of substituting; During ventilation, anaesthetic mask isolation effect is poor, once gas leakage significantly increases induction of anesthesia ventilation risk, even causes and ventilates unsuccessfully, make patient also face greater risk.
Summary of the invention
The object of the invention is to overcome the deficiencies in the prior art, provide a kind of
the bionical Ventilation mask of Hirudoat Ventilation mask and patient face skin contact, class Ring like suction disc face is set, class Ring like suction disc face is made tightly to be adsorbed on the facial skin of patient's collar extension nose periphery by vacuum suction, the cover body of face shield and free surrounding space are isolated, seal isolation is effective, and structure is simple, and cost is low, convenient fixing, safe and reliable.
According to technical scheme provided by the invention, described one
the bionical Ventilation mask of Hirudocomprise breathing interface for being connected with breathing pipeline and breathe sealing joint and be communicated with for being buckled in patient face portion and cover cap to be tightly connected with cover body cover mouth on the face shield cover body of collar extension nose peripheral skin and top in use for sealing the bionical cushion of Hirudo of the class annular contacted with collar extension nose peripheral skin.
The bionical cushion bottom of described Hirudo arranges profile and substantially fits in use for sealing with the facial skin of human body collar extension nose periphery the class Ring like suction disc face contacted with the facial skin surface texture of collar extension nose periphery, described class Ring like suction disc face and the attraction orifice be arranged on for being connected with medical negative pressure suction pipe on the bionical cushion of Hirudo.Described
the bionical Ventilation mask of Hirudocover body around housing human body snout, and after the bionical cushion of described Hirudo is close to the facial skin of collar extension nose periphery, when described attraction interface is communicated with medical negative pressure suction, the class Ring like suction disc face being arranged on the bionical cushion bottom of Hirudo is attracted to the facial skin of collar extension nose periphery by negative pressure, cover body inner space is isolated from the outside by the facial skin making the bionical cushion of Hirudo also can be close to collar extension nose periphery.
Described class Ring like suction disc face inner ring edge part arranges the inner ring diaphragm seal circle of soft quality class annular.
Outer ring, described class Ring like suction disc face edge part arranges the outer ring diaphragm seal circle of soft quality class annular.
Described class Ring like suction disc face comprises the cellular annular circle body of setting the solid netted class sponge structure being arranged on class annular Hirudo bionical cushion lower surface, described cellular annular circle body is arranged on the midline position of Hirudo bionical cushion annular major axis, and the width of cellular annular circle body is less than the width of Hirudo bionical cushion class annular lower surface.
Described class Ring like suction disc face comprises the sucker mouth that some depressions are arranged on top layer, Hirudo bionical cushion bottom, and each sucker mouth, around the cushion venting cavity parallel arranged of the bionical cushion hollow of Hirudo of class annular, is isolated mutually.Each sucker mouth is communicated with the outer suction catheter be arranged on the bionical cushion of Hirudo by being arranged on suction catheter in the bionical cushion of Hirudo.
Described sucker mouth comprises class Ring like suction disc mouth, and the annular major axis parallel arranged of the bionical cushion of Hirudo of all kinds of Ring like suction disc mouth and class annular, isolates mutually.
Described sucker mouth comprises rectangular sucker mouth, and each strip sucker mouth, in the annular major axis parallel arranged of the bionical cushion of Hirudo of the Hirudo of class annular bionical cushion top layer and class annular, is isolated mutually.
The air bag of class annular is set along major axis in the bionical cushion of Hirudo.
The hardness of the bionical cushion of described Hirudo and class Ring like suction disc plane materiel material is less than the hardness of human body facial skin, comprises silica gel, gel etc.
The bionical cushion bottom of described Hirudo annularly major axis arranges class ring-shaped depression groove, and profile and the size of described cellular annular circle body and class ring-shaped depression groove are mated.Cellular annular circle body can be assemblied in class ring-shaped depression groove by being arranged on suction catheter and the attraction orifice be arranged on the bionical cushion of Hirudo in the bionical cushion of Hirudo.
Advantage of the present invention: class Ring like suction disc face and the peripheral facial skin of patient's collar extension nose can be made to adsorb and be close to by connecting negative pressure when ventilating, make face shield cover body interior or exterior space isolating seal excellent, the mask ventilation failure that avoiding leaks gas causes, structure is simple, cost is low, safe and reliable.
Accompanying drawing explanation
fig. 1for structural representation of the present invention
figure;
fig. 2for the structural representation of the bionical cushion of Hirudo of the present invention
figure;
fig. 3what be set to cellular annular circle body for class Ring like suction disc face of the present invention looks up structural representation
figure;
fig. 4for class Ring like suction disc face of the present invention is set to the side-looking structural representation of cellular annular circle body
figure;
fig. 5what arrange some class Ring like suction disc mouths for class Ring like suction disc face of the present invention looks up structural representation
figure;
fig. 6what be set to some strip shape sucker mouths for class Ring like suction disc face of the present invention looks up structural representation
figure;
fig. 7for arranging the side structure signal of air bag in the bionical cushion of Hirudo of the present invention
figure;
fig. 8for the present invention arranges the signal of outer suction catheter between interior suction catheter and attraction interface
figure.
accompanying drawingdescription of symbols: 1-breathes interface, 2 cover bodies, the bionical cushion of 3-Hirudo, 31-cushion venting cavity, 4-air bag, 5-class Ring like suction disc face, 50-cellular annular circle body, and in 51-inner ring diaphragm seal, 52-outer ring diaphragm seal, 61-class Ring like suction disc mouth, the rectangular sucker mouth of 62-, 71-, suction catheter, the outer suction catheter of 72-and 73-attract interface.
Detailed description of the invention
Below in conjunction with specifically
accompanying drawingthe invention will be further described.
as Fig. 1shown in, described one
the bionical Ventilation mask of Hirudocomprise: for the breathing interface 1 that is connected with breathing pipeline with breathe interface 1 and seal and be communicated with for being buckled in patient face portion and cover cap to cover mouth is tightly connected in use for sealing the bionical cushion 3 of Hirudo of the class annular contacted with collar extension nose peripheral skin on the face shield cover body 2 of collar extension nose peripheral skin and top with cover body 2.
Wherein, breathing interface 1 and face shield cover body 2 are the apokoinou construction of current all face shields, and all face shield cover body 2 bottoms all arrange the class annular sealing member for sealing.The seal of some face shield cover body 2 bottoms is set to the annular air-pocket being with gas tube, and other are set to annular gasket.During use by the seal of face shield and face shield cover body 2 buckle closure the facial area skin surface in ring patient mouth and nose periphery, make profile be the whole mouth and nose of cover body 2 cover cap patient of upside down funnel shape, and make the bell mouth shape peristome of funnel-form cover body 2 put at patient's mouth and nose peripheral around cover.Now, seal cover cap is on the facial skin of patient's collar extension nose periphery.Like this, the hollow space of cover body 2 funnel structure shrouds the whole mouth and nose of patient, and the seal of class annular sticks contact ring and provides sealing around the cover body 2 that the facial area skin of mouth and nose is face shield.The use success or failure of face shield are decided by that can the seal of annular provide enough sealings for face shield cover body 2.
In the present invention, described class annular sealing member is the bionical cushion 3 of Hirudo of class annular, in like manner, described in inciting somebody to action during use
the bionical Ventilation mask of Hirudothe class annular bionical cushion 3 of Hirudo of head end and the facial area skin surface of face shield cover body 2 buckle closure in ring patient mouth and nose periphery, make profile be the whole mouth and nose of cover body 2 cover cap patient of upside down funnel shape, and make the bell mouth shape peristome of funnel-form cover body 2 put at patient's mouth and nose peripheral around cover.Like this, the hollow space of cover body 2 funnel structure shrouds the whole mouth and nose of patient, and class annular Hirudo bionical cushion 3 sticks contact ring and provides sealing around the cover body 2 that the facial area skin of mouth and nose is face shield.。
For increasing the sealing that the bionical cushion 3 of Hirudo provides for face shield further, described Hirudo bionical cushion 3 bottom arranges profile and substantially fits in use for sealing with the facial skin of human body collar extension nose periphery the class Ring like suction disc face 5 contacted with the facial skin surface texture of collar extension nose periphery.The class Ring like suction disc face 5 that the facial skin surface texture of profile and collar extension nose periphery is fitted substantially can for providing the sealing on basis when the bionical cushion 3 of Hirudo is fitted with the facial skin of collar extension nose periphery.
as Fig. 3shown in, described class Ring like suction disc face 5 be arranged on being communicated with for the attraction interface 73 be connected with medical negative pressure suction pipe on the bionical cushion 3 of Hirudo.During use, described attraction interface 73 is connected with medical negative pressure suction, under suction function, the class Ring like suction disc face 5 of Hirudo bionical cushion 3 bottom is attracted to the facial skin surface of collar extension nose periphery, make the bionical cushion 3 of soft Hirudo be out of shape and the facial skin around mouth and nose periphery can be close to, thus the free surrounding space of cover body 2 inner space and cover body 2 is isolated.In order to reach this effect, the material hardness that the bionical cushion 3 of described Hirudo and class Ring like suction disc face 5 use preferably is less than the hardness of human body facial skin, comprises silica gel, gel etc.
During concrete enforcement, described class Ring like suction disc face 5 is preferably arranged on the midline position of the bionical cushion of Hirudo 3 times category annular major axis, the width in class Ring like suction disc face 5 is less than the width of Hirudo bionical cushion 3 class annular lower surface, and the top layer of the equal indwelling proper width in Hirudo bionical cushion 3 class annular lower surface outside in class Ring like suction disc face 5 is not set to class Ring like suction disc face 5.Like this, during actual use, class Ring like suction disc face 5 is attracted to the facial skin surface of collar extension nose periphery, cushion venting cavity 31 is positioned at just to mouth and nose position, the cushion top layer of Hirudo bionical cushion 3 lower surface outside indwelling in class Ring like suction disc face 5 can be pulled the facial skin surface of class Ring like suction disc face 5 outer edge sticking on collar extension nose periphery, plays good sealing function.
During concrete enforcement, class Ring like suction disc face 5 is higher with human body collar extension nose skin surface topography laminating degree, and the pressure of negative pressure is larger, and class Ring like suction disc face 5 is more soft, and the bionical cushion of Hirudo 3 just can provide more superior sealing for face shield cover body 2.During concrete enforcement, the hardness of the bionical cushion 3 of described Hirudo and class Ring like suction disc face 5 material is preferably less than the hardness of human body facial skin, comprises silica gel, gel etc.Like this, under negative-pressure adsorption, class Ring like suction disc face 5 distortion of the bionical cushion 3 of Hirudo is adsorbed on facial skin, instead of facial skin distortion lift abuts in surface, class Ring like suction disc face 5, avoids or alleviate negative pressure causing damage to facial skin.
During actual fabrication, for the ease of being bonded with cover body 2 by bionical for described Hirudo cushion 3, described Hirudo bionical cushion 3 top can be set to smooth cover body adhesive surface, and corresponding cover body 2 bottom also should be set to smooth adhesive surface.Certainly, bonding is the optimal way that is tightly connected with cover body 2 of the bionical cushion 3 of Hirudo just, can also adopt buckle, inlay, the mode such as ultrasonic curing, is tightly connected with cover body 2 as long as can reach the bionical cushion 3 of Hirudo.
as Fig. 3with
fig. 4shown in, described class Ring like suction disc face 5 comprises the cellular annular circle body 50 of setting the solid netted class sponge structure being arranged on class annular Hirudo bionical cushion 3 lower surface.
Described cellular annular circle body 50 is communicated with the attraction interface 73 for being communicated with the Medical negative pressure seal of tube by being arranged on suction catheter 71 in the bionical cushion 3 of Hirudo.Certainly, the outer edge of cellular annular circle body 50 should arrange sealing ring, after attraction interface 73 is communicated with the Medical negative pressure seal of tube, sealing ring can be avoided leaking gas and occur, cellular annular circle body 50 cellular space distortion under suction function is reduced, make the sunken contraction of cellular annular circle body 50 be close to the facial skin surface of collar extension nose periphery, play preferably sealing function.
Described cellular annular circle body 50 is preferably arranged on the midline position of the bionical cushion of Hirudo 3 times category annular major axis, the width of cellular annular circle body 50 is less than the width of Hirudo bionical cushion 3 class annular lower surface, and Hirudo bionical cushion 3 class annular lower surface outside all indwelling proper width in cellular annular circle body 50.Like this, during actual use, cellular annular circle body 50 is attracted to the facial skin surface of collar extension nose periphery, cushion venting cavity 31 is positioned at just to the position of mouth and nose, the cushion top layer of Hirudo bionical cushion 3 lower surface outside indwelling in cellular annular circle body 50 can be pulled the facial skin surface of cellular annular circle body 50 outer edge sticking on collar extension nose periphery, plays good sealing function.
During concrete enforcement, the more soft material of described cellular annular circle body 50, cellular space is finer and closely woven, and the sealing property provided during use is better.Be worth reminding: during actual fabrication, at Hirudo bionical cushion 3 bottom annularly major axis indwelling class in advance ring-shaped depression groove, then the cellular annular circle body 50 that profile size is mated can be mounted with in class ring-shaped depression groove.Arrange interior suction catheter 71 in the edge, interior annular groove outer ring of described Hirudo bionical cushion 3 bottom to seal be communicated with, for negative pressure provides conducting path with attraction interface 73.
as Fig. 3,
fig. 5and
fig. 6shown in, be the sealing that Hirudo bionical cushion 3 when improving use further provides, described class Ring like suction disc face 5 inner ring edge part arranges the inner ring diaphragm seal circle 51 of soft quality class annular.
The meaning arranging the inner ring diaphragm seal circle 51 of soft quality class annular at class Ring like suction disc face 5 inner ring edge part is: during use, if when there is gap in the facial skin of edge, inner edge, class Ring like suction disc face 5 and collar extension nose periphery, because mechanical ventilation is positive airway pressure, inside, class Ring like suction disc face 5 is negative pressure, and the liquidity preference of gas is flow to side, class Ring like suction disc face 5 in the cover body 2 of face shield.Now under the pressure differential effect of ventilate malleation and class Ring like suction disc face 5 negative pressure, the inner ring diaphragm seal circle 51 being arranged on inner ring edge, class Ring like suction disc face 5 is out of shape the gap opening place that shutoff occurs with the facial skin of collar extension nose periphery in class Ring like suction disc face 5, make in the cover body 2 of face shield to the gas leakage in class Ring like suction disc face 5 still generation just removed.The prerequisite that certain inner ring diaphragm seal circle 51 works is that face shield buckles that to cover on patient's mouth and nose peripheral, and face shield is fixed safe, and this lifts easily.
The effect that described inner ring diaphragm seal circle 51 improves mask ventilation sealing depends on: the thickness of inner ring diaphragm seal circle 51, the material softness degree of inner ring diaphragm seal circle 51, the width of inner ring diaphragm seal circle 51.Inner ring diaphragm seal circle 51 thickness is thinner, more soft material, and width is wider can provide more superior sealing effectiveness.But inner ring diaphragm seal circle 51 thickness is thinner, more soft material, and width is wider, during actual use, inner ring diaphragm seal circle 51 is more curling, causes sealing property to decline.The parameters of inner ring diaphragm seal circle 51 can be regulated during concrete manufacture according to actual experiment effect, make inner ring diaphragm seal circle 51 sealing effectiveness reach best.
In like manner, be the sealing that Hirudo bionical cushion 3 when improving use further provides, outer ring, described class Ring like suction disc face 5 edge part arranges the outer ring diaphragm seal circle 52 of soft quality class annular.
The meaning that outer ring, described class Ring like suction disc face 5 edge part arranges the outer ring diaphragm seal circle 52 of soft quality class annular is: during use, if when there is gap in the facial skin of outer rim edge, class Ring like suction disc face 5 and collar extension nose periphery, because the pressure of oropharynx cavum laryngis equals atmospheric pressure, and inside, class Ring like suction disc face 5 is negative pressure, the liquidity preference of gas is flow to side, class Ring like suction disc face 5 in oropharynx cavum laryngis.Now under the pressure differential effect of atmospheric pressure and class Ring like suction disc face 5 negative pressure, the outer ring diaphragm seal circle 52 being arranged on class Ring like suction disc face 5 external margin is out of shape the gap opening place that shutoff occurs with the facial skin of collar extension nose periphery in class Ring like suction disc face 5, make in oropharynx cavum laryngis to the gas leakage in class Ring like suction disc face 5 still generation just removed.
The gas of oropharynx cavum laryngis is noiseless to the sealing of the ventilation of face shield to the gas leakage in class Ring like suction disc face 5 in essence, but gas leakage makes the negative pressure in class Ring like suction disc face 5 reveal, class Ring like suction disc face 5 is declined with the degree that sticks on the facial skin surface of collar extension nose periphery, and then class Ring like suction disc face 5 is declined with the sealing of face shield cover body 2, make gas leakage cause mask ventilation failure Probability to increase.
as Fig. 5and
fig. 6shown in, described class Ring like suction disc face 5 also comprises the sucker mouth 6 that some depressions are arranged on top layer, Hirudo bionical cushion 3 bottom, and each sucker mouth 6 forms class Ring like suction disc face 5 around the cushion venting cavity 31 of Hirudo bionical cushion 3 class annular hollow.Each sucker mouth 6 is communicated with the attraction interface 73 be arranged on the bionical cushion 3 of Hirudo by being arranged on suction catheter 71 in the bionical cushion of Hirudo 3.
Some sucker mouths 6 that described class Ring like suction disc face 5 is arranged all are communicated with the interior suction catheter 71 be arranged in the bionical cushion of Hirudo 3, and interior suction catheter 71 goes out the attraction interface 73 of Hirudo bionical cushion 3 tail end connection for being connected with negative-pressure suction pipe.During actual use, when described
the bionical Ventilation mask of Hirudoposition is suitable for and after fixing, attracts interface 73 to connect vacuum suction.Under suction function, some sucker mouths 6 are attracted to the facial skin surface of collar extension nose periphery, and then make described class Ring like suction disc face 5 tightly be adsorbed on the facial skin surface of collar extension nose periphery, for the face shield cover body 2 during ventilation provides enough sealings.
as Fig. 5shown in, described sucker mouth 6 comprises class Ring like suction disc mouth 61, and all kinds of Ring like suction disc mouth 61 and the class annular major axis parallel arranged of the bionical cushion 3 of Hirudo of class annular, isolate mutually.
This
diagramin be provided with two circle class Ring like suction disc mouths 61, often enclose class Ring like suction disc mouth 61 all around the annular soft pad venting cavity 31 of the bionical cushion 3 of Hirudo, be namely arranged on position, class Ring like suction disc face 5.Each class Ring like suction disc mouth 61 parallel arranged, completely isolated mutually.In use, class Ring like suction disc mouth 61 is often enclosed all to the annular soft pad venting cavity 31 of the bionical cushion 3 of Hirudo
independentplay sealing effectiveness, air-tightness when face shield cover body 2 is ventilated when the class Ring like suction disc face 5 that the class ring sucker mouth 61 of multi-turn is formed adds actual use.The width of the class Ring like suction disc mouth 61 arranged during concrete enforcement is good at about 5mm, and number is The more the better.But by the restriction of class Ring like suction disc face 5 width, especially ting model
the bionical Ventilation mask of Hirudoclass Ring like suction disc face 5 width is less, and class Ring like suction disc mouth 61 number is also inconsistent.
as Fig. 6shown in, described sucker mouth 6 comprises rectangular sucker mouth 63, and each strip sucker mouth 63 is parallel on the annular top layer of the bionical cushion of the Hirudo of class annular 3 to be staggered, and isolates mutually.Each strip sucker mouth 63 major axis connecting line is around the class annular hollow portion of the bionical cushion 3 of Hirudo of class annular.
In this set, the interrupted formation of multiple strip sucker mouth 63 is similar
fig. 5the structure of class Ring like suction disc mouth 61.Just the strip sucker mouth 63 of intermittent intervals in the specific implementation, and the impact mutually reduces, and during use, sealing is more reliable.This
in figureit is similar that multiple strip sucker mouth 63 forms two circles
fig. 5the structure of class Ring like suction disc mouth 61.Certainly can arrange the structure of more multiple class Ring like suction disc mouth, air-tightness is stronger.
Described each sucker mouth 6 degree of depth is preferably less than 1cm, and the object controlling sucker mouth 6 degree of depth is that to avoid facial area skin to be attracted tractive stressed excessive, causes facial skin congested red and swollen.Sucker mouth 6 degree of depth is less, and facial skin stress deformation is less, damages less.But sucker mouth 6 degree of depth is too small, sealing may decline.During actual enforcement, the material of the bionical cushion 3 of Hirudo should be enough soft, and reduce facial skin infringement when can reach use on the one hand, another aspect can increase air-tightness during ventilation.
as Fig. 7shown in, in order to improve sealing when face shield cover body 2 is ventilated further, the air bag 8 of class annular is set along major axis in the bionical cushion 3 of described Hirudo.Air bag 8 to class annular is filled with the gas of suitable pressure, utilizes the degree of deformation of air bag 8 itself to make cover body 2 degree of fitting with patient face portion in use higher.Meanwhile, the setting of air bag 8 decreases the higher materials demand amount of the bionical cushion of Hirudo 3 pairs of pliabilitys, reduces manufacturing cost.For the ease of using, the inflation inlet or gas tube that are used for air bag 8 inflation can being set communicated air bags 8, during for specifically using, regulating the pressure of gas in air bag 8.But on the whole, the pressure of air bag 8 is easily low not easily high, and when pressure is lower, the compliance of air bag 8 is higher, can be closer be fitted on the facial skin of facial skin collar extension nose periphery of collar extension nose periphery.
When needing to remove face shield, withdrawn by the medical negative pressure suction attracting interface 73 to connect, the negative pressure in class Ring like suction disc face 5 disappears, and the absorption affinity of the 5 pairs of facial skins in class Ring like suction disc face disappears, described in can easily removing
the bionical Ventilation mask of Hirudo, terminate mask ventilation operation.
as Fig. 8shown in, when specifically making, and can attract to arrange outer suction catheter 72 between interface 73 at interior suction catheter 71, be convenient to connect negative pressure suction device, repeat no more herein.
In a word: structure of the present invention is simple, connect sealing property superior when the negative pressure continued can reach mask ventilation by class Ring like suction disc face 5, ventilatory effect is good, and when alleviating mask ventilation, medical worker firmly withholds the labor intensity of face shield, structure is simple, safe and reliable.
Claims (10)
1. the bionical Ventilation mask of Hirudo, comprise the breathing interface (1) for being connected with breathing pipeline, with breathe interface (1) sealing be communicated with for be buckled in patient face portion and cover cap at the face shield cover body (2) of collar extension nose peripheral skin, and top and cover body (2) cover mouth are tightly connected in use for sealing the bionical cushion of Hirudo (3) of the class annular contacted with collar extension nose peripheral skin, it is characterized in that: the bionical cushion of described Hirudo (3) bottom arranges profile and substantially fits in use for sealing with the facial skin of human body collar extension nose periphery the class Ring like suction disc face (5) contacted with the facial skin surface texture of collar extension nose periphery, described class Ring like suction disc face (5) is communicated with for the attraction interface (73) be connected with medical negative pressure suction pipe with being arranged on the bionical cushion of Hirudo (3), the cover body (2) of the bionical Ventilation mask of described Hirudo is around housing human body snout, and after the bionical cushion of described Hirudo (3) is close to the facial skin of collar extension nose periphery, when described attraction interface (73) is communicated with medical negative pressure suction, the class Ring like suction disc face (5) being arranged on the bionical cushion of Hirudo (3) bottom is attracted to the facial skin of collar extension nose periphery by negative pressure, make the bionical cushion of Hirudo (3) and cover body (2) inner space is isolated from the outside by the facial skin being close to collar extension nose periphery.
2. the bionical Ventilation mask of Hirudo according to claim 1, is characterized in that: described class Ring like suction disc face (5) inner ring edge part arranges the inner ring diaphragm seal circle (51) of soft quality class annular.
3. the bionical Ventilation mask of Hirudo according to claim 1, is characterized in that: described class Ring like suction disc face (5) outer ring edge part arranges outer ring diaphragm seal circle (52) of soft quality class annular.
4. the bionical Ventilation mask of Hirudo according to claim 1, it is characterized in that: described class Ring like suction disc face (5) comprises the cellular annular circle body (50) of setting the solid netted class sponge structure being arranged on class annular Hirudo bionical cushion (3) lower surface: described cellular annular circle body (50) is arranged on the midline position of the bionical cushion of Hirudo (3) annular major axis, and the width of cellular annular circle body (50) is less than the width of the bionical cushion of Hirudo (3) class annular lower surface.
5. the bionical Ventilation mask of Hirudo according to claim 1, it is characterized in that: described class Ring like suction disc face (5) comprises the sucker mouth (6) that some depressions are arranged on the bionical cushion of Hirudo (3) top layer, bottom, each sucker mouth (6), around cushion venting cavity (41) parallel arranged of the bionical cushion of Hirudo (3) hollow of class annular, is isolated mutually; Each sucker mouth (6) is communicated with the outer suction catheter (72) be arranged on the bionical cushion of Hirudo (3) by the interior suction catheter (71) be arranged in the bionical cushion of Hirudo (3).
6. the bionical Ventilation mask of Hirudo according to claim 5, it is characterized in that: described sucker mouth (6) comprises class Ring like suction disc mouth (61), all kinds of Ring like suction disc mouth (61) and the annular major axis parallel arranged of the bionical cushion of Hirudo (3) of class annular, isolate mutually.
7. according to the bionical Ventilation mask of Hirudo described in claim 5, it is characterized in that: described sucker mouth (6) comprises rectangular sucker mouth (63), each strip sucker mouth (63), in the annular major axis parallel arranged of the bionical cushion of Hirudo (3) of the bionical cushion of the Hirudo of class annular (3) top layer and class annular, is isolated mutually.
8. the bionical Ventilation mask of Hirudo according to claim 1, is characterized in that: the air bag (4) arranging class annular in the bionical cushion of described Hirudo (3) along major axis.
9. the bionical Ventilation mask of Hirudo according to claim 1, is characterized in that: the hardness of the bionical cushion of described Hirudo (3) and class Ring like suction disc face (5) material is less than the hardness of human body facial skin, comprises silica gel, gel etc.
10. the bionical Ventilation mask of Hirudo according to claim 4, it is characterized in that: the bionical cushion of described Hirudo (3) bottom annularly major axis arranges class ring-shaped depression groove, profile and the size of described cellular annular circle body (50) and class ring-shaped depression groove are mated, and cellular annular circle body (50) can be assemblied in class ring-shaped depression groove and be communicated with the attraction interface (73) be arranged on the bionical cushion of Hirudo (3) by the interior suction catheter (71) be arranged in the bionical cushion of Hirudo (3).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510518808.3A CN105031795B (en) | 2015-08-21 | 2015-08-21 | The bionical Ventilation mask of leech |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510518808.3A CN105031795B (en) | 2015-08-21 | 2015-08-21 | The bionical Ventilation mask of leech |
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| Publication Number | Publication Date |
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| CN105031795A true CN105031795A (en) | 2015-11-11 |
| CN105031795B CN105031795B (en) | 2018-02-16 |
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| CN201510518808.3A Expired - Fee Related CN105031795B (en) | 2015-08-21 | 2015-08-21 | The bionical Ventilation mask of leech |
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| CN105943269A (en) * | 2016-05-12 | 2016-09-21 | 史树海 | Medical oxygen therapy bed |
| CN105944210A (en) * | 2016-05-12 | 2016-09-21 | 史树海 | Negative pressure oxygen inhalation mask |
| CN106110466A (en) * | 2016-08-18 | 2016-11-16 | 中南大学湘雅三医院 | A kind of breathing mask and consisting of noninvasive ventilator |
| CN107281608A (en) * | 2017-06-06 | 2017-10-24 | 成都润泰智通科技有限公司 | Breathing mask for improving oxygen inhalation rate |
| CN107583155A (en) * | 2017-10-23 | 2018-01-16 | 吕振兴 | Emergence double-purpose type breathing equipment |
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|---|---|
| CN105031795B (en) | 2018-02-16 |
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