CN104307078B - Non-pneumatic laryngeal mask with imbibition function - Google Patents
Non-pneumatic laryngeal mask with imbibition function Download PDFInfo
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- CN104307078B CN104307078B CN201410556342.1A CN201410556342A CN104307078B CN 104307078 B CN104307078 B CN 104307078B CN 201410556342 A CN201410556342 A CN 201410556342A CN 104307078 B CN104307078 B CN 104307078B
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- cover body
- laryngeal mask
- suction
- inflation
- breather
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- 238000005213 imbibition Methods 0.000 title abstract 3
- 210000002409 epiglottis Anatomy 0.000 claims abstract description 52
- 239000002775 capsule Substances 0.000 claims abstract description 48
- 238000009423 ventilation Methods 0.000 claims abstract description 24
- 238000013022 venting Methods 0.000 claims description 38
- 239000003292 glue Substances 0.000 claims description 22
- 239000007788 liquid Substances 0.000 claims description 17
- 230000000241 respiratory effect Effects 0.000 claims description 10
- 238000009434 installation Methods 0.000 claims description 7
- 239000011248 coating agent Substances 0.000 claims description 6
- 238000000576 coating method Methods 0.000 claims description 6
- 210000003800 pharynx Anatomy 0.000 abstract description 45
- 230000028327 secretion Effects 0.000 abstract description 12
- 210000003097 mucus Anatomy 0.000 abstract description 10
- 230000006378 damage Effects 0.000 abstract description 7
- 238000007789 sealing Methods 0.000 abstract description 6
- 238000013461 design Methods 0.000 abstract description 4
- 208000027418 Wounds and injury Diseases 0.000 abstract description 3
- 208000014674 injury Diseases 0.000 abstract description 3
- 230000000903 blocking effect Effects 0.000 description 10
- 210000003238 esophagus Anatomy 0.000 description 7
- 238000003780 insertion Methods 0.000 description 7
- 230000037431 insertion Effects 0.000 description 7
- 229910000831 Steel Inorganic materials 0.000 description 5
- 210000004877 mucosa Anatomy 0.000 description 5
- 239000010959 steel Substances 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 206010016766 flatulence Diseases 0.000 description 4
- 210000003437 trachea Anatomy 0.000 description 4
- 230000002496 gastric effect Effects 0.000 description 3
- 210000004051 gastric juice Anatomy 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 210000000214 mouth Anatomy 0.000 description 3
- 238000004513 sizing Methods 0.000 description 3
- 230000003519 ventilatory effect Effects 0.000 description 3
- 230000007717 exclusion Effects 0.000 description 2
- 210000000867 larynx Anatomy 0.000 description 2
- 238000005461 lubrication Methods 0.000 description 2
- 206010002091 Anaesthesia Diseases 0.000 description 1
- 241000894006 Bacteria Species 0.000 description 1
- 230000037005 anaesthesia Effects 0.000 description 1
- 238000013475 authorization Methods 0.000 description 1
- 210000004204 blood vessel Anatomy 0.000 description 1
- -1 breather Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 235000011389 fruit/vegetable juice Nutrition 0.000 description 1
- 210000003128 head Anatomy 0.000 description 1
- 208000015181 infectious disease Diseases 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000035479 physiological effects, processes and functions Effects 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 230000029058 respiratory gaseous exchange Effects 0.000 description 1
- 210000002345 respiratory system Anatomy 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 238000002627 tracheal intubation Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 230000002792 vascular Effects 0.000 description 1
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- External Artificial Organs (AREA)
Abstract
The invention relates to a non-pneumatic laryngeal mask with an imbibition function. The existing laryngeal mask cannot discharge mucous secretion on the laryngeal part of pharynx in time, and a vent hole of the laryngeal mask is likely to block by epiglottis. The non-pneumatic laryngeal mask with the imbibition function is characterized by also comprising a connector and a flexible rubber capsule, wherein an inflating cavity is formed between the flexible rubber capsule and a mask body, the mask body is provided with a plurality of suction holes, a ventilation pipe is internally provided with a ventilation passage, a feed drain passage and a suction passage, the ventilation passage is communicated with the inflating cavity, the feed drain passage penetrates through the ventilation pipe and the cover body to be connected with a feed hole on the front end of the mask body, the suction hole is communicated with the suction passage, the connector is provided with an inflating opening, a feed opening and a suction opening, the inflating opening is communicated with the ventilation passage, the feed opening is communicated with the feed drain passage, and the suction opening is communicated with the suction passage. The non-pneumatic laryngeal mask is simple in structure, reasonable in design and good in sealing performance; the mucus and coagula on the laryngeal part of pharynx can be discharged in time, the vent hole is unlikely to block, and the injury on a patient is little.
Description
Technical field
The present invention relates to a kind of inflation-free laryngeal mask with liquid suction function, especially relate to a kind of excellent through self structure
Change while ensureing ventilatory function, throat mucus secretion is suctioned out by external connecting negative pressure source, reaches effective ventilation, it is to avoid point
Secretion obstructing airway and bacterium infection, improve the inflation-free laryngeal mask of patient comfort, belong to medical instruments field.
Background technology
Laryngeal mask be a kind of little and safely and effectively airway pressure apparatus is stimulated to patient, can be quickly and easily patient
Set up a respiration channel.By its outstanding representation when processing common and difficult airway, become with tracheal intubation and
Mask several conventional respiratory tract ventilation treatment device arranged side by side.
Existing laryngeal mask is essentially divided into single tube laryngeal mask and two-tube laryngeal mask, and both are inflated type laryngeal mask, single tube laryngeal mask bag
Include cover capsule, breather, gas tube, instruction capsule, air valve and joint, cover capsule is connected with breather, gas tube respectively with cover capsule, instruction
Capsule connects, and capsule is connected air valve, joint is connected with breather with instruction, and can be entered to cover capsule through instruction capsule, gas tube by air valve
Row inflation, cover capsule inflation after tympanites and lose heart after receive flat.Two-tube laryngeal mask increased a feeding drainage catheter, this drainage catheter with
Breather is integrated and the feeding hole insertion with cover capsule far-end, avoids gastric content from backwards flowing in venting process and hinders to reach
The effect of plug air flue.Laryngeal mask of the prior art has the disadvantages that 1, cover capsule adopts inflated type, complex structure, troublesome poeration,
And there is cover intracapsular gas leakage in use and cause the risk of ventilation interruption；2nd, cover capsule inflation of the prior art is held
Amount is difficult to control, though gas foot excessively can seal bottleneck throat in capsule, can oppress throat inwall, easily cause larynx cervical region fine, soft fur blood vessel bad
Extremely；In capsule, gas is not enough or appropriate, and cover capsule and bottleneck throat occur blow-by state because of easy sliding transfer in use, make
The juice of bottleneck throat oozes out and can block air flue hole, consequently, it is possible to occurrence injury；3rd, laryngeal mask of the prior art, because of no epiglottis
Support, is covered by epiglottis sometimes when using, and impact ventilatory effect even clogging, consequently, it is possible to occurrence injury；
4th, laryngeal mask of the prior art, when inflation fixation inserted by cover capsule and flat extracting is inhaled in pumping, can cause the heart of patient in various degree
Vascular system reacts, and especially old patient can be caused with the infringement of complication.
Authorization Notice No. cn202015403u, in the Chinese patent in authorized announcement date on October 26th, 2011, discloses one
Plant esophagus blocking catheter for inflation-free laryngeal mask, including cover capsule and the breather being arranged on cover capsule, the oral area of described breather sets
It is equipped with joint, it is characterized in that: embed a steel wire inwall reinforcement being directly passed into cover capsule and stretching out its front end from ventilation tube side wall
Conduit has a steel wire inwall being directly passed into cover capsule front end to strengthen conduit；Described steel wire inwall is strengthened conduit and is stretched out cover capsule front end
3 ~ 4 centimetres；Described steel wire inwall is strengthened catheter tip and is set with air bag, and this air bag strengthens filling in conduit with being located at steel wire inwall
Airway connects, and the head end of inflating catheter is provided with instruction sacculus and check valve.Effectively prevent in anesthesia and first aid to patient
Backflow during ventilation and miss the generation of the complication such as suction, expand it and use the esophagus blocking catheter for inflation-free laryngeal mask in space.This exempt from
Inflated type laryngeal mask esophagus closed conduit, the structure design of its cover capsule is unreasonable, it is impossible to ensure sealing when cover capsule is inserted, and work
It is impossible to the secretions such as mucus by bottleneck throat are discharged in time when making.In addition, the pore of this esophagus blocking catheter for inflation-free laryngeal mask
Easily blocked by epiglottis.
Content of the invention
It is an object of the invention to overcoming above-mentioned deficiency present in prior art, and provide a kind of structure simple, design
Rationally, simple to operate, good airproof performance, the mucus secretion of bottleneck throat can be discharged in time, passage is not easily blocked, the damage to patient
Hinder the little inflation-free laryngeal mask with liquid suction function.
The present invention solves the above problems and be the technical scheme is that this carries the inflation-free laryngeal mask of liquid suction function, bag
Include breather and cover body, described breather be connected with cover body it is characterised in that: also include joint and the edge being arranged on breather
The flexible glue cover capsule of cover body outer annular setting, forms inflatable chamber between described flexible glue cover capsule and cover body, with inflation on described cover body
The opposite side in chamber is provided with some suction holes, is provided with venting channels, feeding drainage channel and attraction channel in described breather,
Described venting channels are connected with inflatable chamber, described feeding drainage channel sequentially pass through breather and cover body and be arranged on before cover body
The feeding hole at end connects, and described suction hole is connected with attraction channel, and described joint is arranged on breather, joint is provided with and fills
QI KOU, feeding hole and suction port, described inflation inlet is connected with venting channels, and described feeding hole is connected with feeding drainage channel, institute
State suction port to connect with attraction channel.During use, laryngeal mask is inserted into the throat of patient, makes the interior of flexible glue cover capsule and throat
Wall is fitted and is sealed, and makes to fill cavity and connects with patient's trachea, and feeding drainage channel is connected with patient's esophaguses；Because flexible glue cover capsule is
Low durometer stock is made, thus can be effectively formed sealing and the inner surface of throat between, and will not damage in the mucosa of throat
Wall；Because ventilation tube outer surface is made up of hard sizing material, can effectively position fixation in laryngeal mask；The setting of feeding drainage channel
Put, can drain gastric juice, prevent flatulence and backflowing from inhaling by mistake；Suction hole and the setting of attraction channel, can be by suction port with outward
Connect the connection of negative pressure source, in time the secretions such as mucus of exclusion throat, keep ventilation unimpeded, it is to avoid to work the mischief.
Cover body of the present invention includes main body and is arranged on the flank of main body both sides, has height between described flank and main body
Degree is poor, and the both sides in described main body are respectively provided with row's suction hole, and suction hole is arranged in main body and the company near main body and flank
Meet place.During use, when cover body inserts the bottleneck throat of patient, the main body of cover body and flank all touch with the inwall of bottleneck throat to,
The main body of cover body is in semi-circular projection and forms difference in height with both sides flank, and suction hole is arranged in main body and near main body and both sides
The inner side of flank junction, thus suction hole will not be blocked it is ensured that suction hole can normal work by the inwall of bottleneck throat.
It is provided with an epiglottis support, a described epiglottis support sets in venting channels in venting channels of the present invention
Put and venting channels be divided into two autonomous channels, a described epiglottis support from venting channels near the opening of cover body at draw
Go out and be extended along cover body inner surface and form extension, the height of this extension extreme direction along before cover body is gradually reduced.One
The setting of number epiglottis support, venting channels are divided into symmetrical two passage, the extension that an epiglottis support is located on cover body
Section, on the one hand can stop bottleneck throat epiglottis wafts into two passages on the other hand will not be occurred all to be waftd into the feelings of blocking by epiglottis
Condition, simultaneously the height of epiglottis support extension on cover body be progressively smaller until along cover body direction concordant with cover body inwall,
Thus in laryngeal mask, its resistance is less, and extension does not easily cause and scratches the safety it is ensured that using.
Flexible glue cover capsule of the present invention is provided with No. two epiglottis supports, and described No. two epiglottis supports are located at venting channels and export
The top at place.The opening that No. two epiglottis supports can prop up epiglottis and tentatively make epiglottis be located at cover body away from venting channels, it is to avoid
Using cooperatively of epiglottis blocking venting channels, an epiglottis support and No. two epiglottis supports, can be substantially prevented from epiglottis blocking ventilation
Passage it is ensured that laryngeal mask use when safety.
The quantity of attraction channel of the present invention is two groups, and in main body, the suction hole of side and one of which attraction channel connect
Logical, the suction hole of opposite side is connected with another group of attraction channel.When one of which attraction channel is blocked, another group can also continue to
Work, can exclude the secretions such as the mucus of throat in time, keep ventilation unimpeded, it is to avoid to work the mischief.
Joint of the present invention includes joint for respiratory device and attracts joint, and described attraction joint includes base and is provided with attraction
Mouthful suction catheter, described base has No. two holes that the hole being connected with venting channels connected with feeding drainage channel and
No. three holes of attraction channel connection, suction catheter is drawn from base and is connected with No. three holes, and described joint for respiratory device includes mounting seat
With the air tube being provided with inflation inlet, described mounting seat is connected with air tube, described mounting seat be provided with installation cavity, No. four holes and
Bit-avoiding slot, the floor installation of described attraction joint is connected with No. two holes installing intracavity, on described base No. four hole, described exhales
Suction pipe is connected with a hole, and described bit-avoiding slot is mated with suction catheter, and described attraction joint is fixed with breather.During use, pass through
The connection of external respirator and air tube, gas successively through a hole on the pneumostome on air tube, base thus with ventilation
Two two venting channels insertions on pipe, can carry out normal ventilation；By on external feeding negative pressure catheter and attraction joint
Feeding hole connects, successively through feeding hole, No. two holes thus with feeding drainage channel insertion, can drain gastric backflow thing；By outer
Connect the connection of negative pressure source and suction port, suction port, No. three holes and attraction channel insertion successively, the mucous secretion of throat can be attracted
Thing.
Breather of the present invention is in 90 degree of settings of radian.The throat of laryngeal mask patient can be facilitated.
It is provided with stealthy bite-block in breather of the present invention.Stealthy bite-block is located at breather rear end and is in one with breather
Bodyization is arranged, and the setting of stealthy bite-block can exempt external bite-block, using convenient, can effectively ensure that when using, patient's tooth
The occlusion of tooth does not interfere with normal ventilation.
The position of the extension of an epiglottis support that the present invention is located on cover body is less than the position of flexible glue cover capsule.Can ensure that
Laryngeal mask during inserting, the extension of an epiglottis support on cover body will not with the contact internal walls of bottleneck throat, thus
Avoid the scuffing of mucosa on throat inwall.
Hydrophilic coating is arranged on the surface of the side opposite with inflatable chamber on cover body of the present invention.Hydrophilic coating on cover body
Setting can play the effect of lubrication, the resistance when inserting and extract for the cover body can be reduced, thus subtracting the misery of patient Zhi.
The present invention compared with prior art, has advantages below and effect: 1, structure is simple, reasonable in design, multiple functional；
Main advantages of the present invention are to form three each independent channel systems in structure, i.e. venting channels, feeding drainage channel
And attraction channel, and the trachea with human body, esophaguses and the corresponding connection of throat；Functionally by ventilatory function, feeding drainage function
Be combined into one with liquid suction function three, while ensureing effective ventilation, both can drain gastric juice, prevent flatulence and backflowing from inhaling by mistake, and
The mucus secretion of throat can be excluded in time, it is to avoid work the mischief.2nd, the setting of inflation-free flexible glue cover capsule, operation is more simple
Single, can be used directly, the also risk of no flexible glue cover capsule gas leakage, and flexible glue cover capsule is made up of low durometer stock, thus and throat
Inner surface between can be effectively formed sealing, and the inner surface of throat will not be damaged；3rd, an epiglottis support and No. two epiglottis
Using cooperatively of support, can effectively prevent epiglottis blocking venting channels from causing to ventilate unsuccessfully；4th, use when, because cover body back with
Throat inner surface touch supports, the setting of cover body back hydrophilic coating, make laryngeal mask insert and extract or use when will not damage pharynx
Mucosa on larynx inwall；5th, breather is in the setting of 90 degree of radian, meets the maximum of human oral cavity throat anatomical physiology structure
Angle value, both can greatly facilitate inserting of laryngeal mask, flexible glue cover capsule can be forced again to be more close to throat inner surface and reach intact sealing
State, implements effective ventilation.
Brief description
Fig. 1 is the perspective view of the inflation-free laryngeal mask carrying liquid suction function in the embodiment of the present invention.
Fig. 2 is the perspective view of the inflation-free laryngeal mask with liquid suction function.
Fig. 3 is the perspective view of breather and cover body cooperation.
Fig. 4 is joint for respiratory device and the perspective view attracting joint cooperation.
Fig. 5 is the main structure diagram attracting joint.
Fig. 6 is the left view structural representation of Fig. 5.
Fig. 7 is the perspective view attracting joint.
Fig. 8 is the perspective view of joint for respiratory device.
Fig. 9 is the perspective view of breather and cover body cooperation.
Specific embodiment
The present invention is described in further detail below in conjunction with the accompanying drawings and by embodiment, and following examples are to this
Bright explanation and the invention is not limited in following examples.
Embodiment.
Referring to Fig. 1 to Fig. 9, the inflation-free laryngeal mask with liquid suction function in the present embodiment include breather 1, cover body 2,
Flexible glue cover capsule 4, No. two epiglottis supports 5 of 3, epiglottis support, joint for respiratory device 6 and attraction joint 7.
Breather 1 in the present embodiment is connected with cover body 2, and breather 1 and cover body 2 are integral type structure, breather 1 and cover
Body 2 is made up of hard sizing material, is processed and formed at one time, and is easy to produce in batches, breather 1 is provided with joint, flexible glue cover capsule 3 is along cover
The annular setting of body 2 outer and in oval annular, flexible glue cover capsule 3 is used for substituting the cover capsule of existing inflated type, flexible glue cover capsule 3 and cover
Form inflatable chamber 31, on cover body 2, the side opposite with inflatable chamber 31 is provided with some suction holes 21, setting in breather 1 between body 2
There are venting channels 11, feeding drainage channel 8 and attraction channel 12, venting channels 11 are connected with inflatable chamber 31, feeding drainage channel 8
Run through breather 1 and cover body 2 and be connected with the feeding hole being arranged on cover body 2 front end, suction hole 21 is connected with attraction channel 12, connects
Head is arranged on breather 1, joint is provided with inflation inlet, feeding hole and suction port, inflation inlet is connected with venting channels 11, feeds
Food mouth is connected with feeding drainage channel 8, and suction port is connected with attraction channel 12.During use, laryngeal mask is inserted into the throat of patient
Place, makes flexible glue cover capsule 3 fit with the inwall of throat and seal, and makes to fill cavity 31 and connects with patient's trachea, feeding drainage channel 8
It is connected with patient's esophaguses；Because flexible glue cover capsule 3 is made up of low durometer stock, thus can be effectively formed and the inner surface of throat between
Sealing, and the mucosa inwall of throat will not be damaged；Because breather 1 outer surface is made up of hard sizing material, in laryngeal mask
Fixation can effectively be positioned；The setting of feeding drainage channel 8, can drain gastric juice, prevent flatulence and backflowing from inhaling by mistake；Suction hole 21 with
And the setting of attraction channel 12, can be by the connection of suction port and external connecting negative pressure source, the secretion such as mucus of exclusion throat in time
Thing, keeps ventilation unimpeded, it is to avoid to work the mischief.Feeding hole in the present embodiment refers to feeding drainage channel 8 and is located on cover body 2
Outlet.
Cover body 2 in the present embodiment includes main body 22 and the flank 23 being arranged on main body 22 both sides, flank 23 and main body 22
Between there is difference in height, the both sides in main body 22 are respectively provided with row's suction hole 21, and suction hole 21 is arranged in main body 22 and close
The junction of main body 22 and flank 23, during use, when cover body 2 inserts the bottleneck throat of patient, the main body 22 of cover body 2 and flank 23
All touch with the inwall of bottleneck throat to the main body 22 of cover body 2 is in semi-circular projection and forms difference in height, suction hole with both sides flank 23
21 are arranged in main body 22 and the inner side near main body 22 and both sides flank 23 junction, thus suction hole 21 will not be by bottleneck throat
Inwall blocked it is ensured that suction hole 21 can normal work.
It is provided with an epiglottis support 4, an epiglottis support 4 is in venting channels 11 in venting channels 11 in the present embodiment
Interior setting and venting channels 11 are divided into two autonomous channels, epiglottis support 4 opening near cover body 2 from venting channels 11
Mouthful place's extraction is simultaneously extended along cover body 2 inner surface and forms extension 41, the height of this extension 41 extreme direction along before cover body 2
It is gradually reduced, the setting of an epiglottis support 4, venting channels 11 are divided into symmetrical two passage, 4, epiglottis support
Extension 41 on cover body 2, on the one hand can stop bottleneck throat epiglottis wafts on the other hand two passage all quilts will not occur
Epiglottis is waftd into the situation of blocking, and the height of epiglottis support 4 extension 41 on cover body 2 gradually subtracts along cover body 2 direction simultaneously
Little thus in laryngeal mask, its resistance is less until concordant with cover body 2 inwall, and extension 41 does not easily cause scuffing, really
Protect the safety using.
Flexible glue cover capsule 3 in the present embodiment is provided with No. two epiglottis supports 5, and No. two epiglottis supports 5 are located at venting channels 11
The top in exit, No. two epiglottis supports 5 can prop up epiglottis and tentatively make epiglottis away from opening that venting channels 11 are located at cover body 2
Mouthful, it is to avoid using cooperatively of epiglottis blocking venting channels 11, an epiglottis support 4 and No. two epiglottis supports 5, meeting can be substantially prevented from
Detest blocking venting channels 11 it is ensured that laryngeal mask use when safety.
The quantity of the attraction channel 12 in the present embodiment is two groups, and in main body 22, the suction hole 21 of side and one of which are inhaled
Draw passage 12 to connect, the suction hole 21 of opposite side is connected with another group of suction hole, during use, one of which attraction channel 12 is blocked
During plug, another group can also continue to work, can exclude the secretions such as the mucus of throat in time, keeps ventilation unimpeded, it is to avoid to cause
Harm.
Joint in the present embodiment includes joint for respiratory device 6 and attracts joint 7, attracts joint 7 to include base 71, be provided with suction
Draw suction catheter 72 and the Plug Division 73 for being connected with breather 1 of mouth, base 71 is had being connected with venting channels 11
Number No. three holes 713 that No. two holes 712 that hole 711 is connected with feeding drainage channel 8 are connected with attraction channel 12, suction catheter 72 from
Draw on base 71 and connect with No. three holes 713, joint for respiratory device 6 includes mounting seat 61 and the air tube 62 being provided with inflation inlet,
Mounting seat 61 is connected with air tube 62, and mounting seat 61 is provided with 611, No. four holes 612 of installation cavity and bit-avoiding slot 613, attracts joint 7
Base 71 be arranged in installation cavity 611, No. four holes 612 on base 71 are connected with No. two holes 712, air tube 62 and a hole
711 connections, bit-avoiding slot 613 is mated with suction catheter 72, attracts the Plug Division 73 of joint 7 to insert end and the breather 1 of breather 1
Fixing, the mounting seat 61 of joint for respiratory device 6 is fixed with base 71 grafting attracting joint 7 by its installation cavity 611, during use, leads to
Cross the connection of external respirator and air tube 62, gas is successively through a hole 711 on the pneumostome on air tube 62, base 71
Thus with breather 1 on two two venting channels 11 insertions, normal ventilation can be carried out；By external feeding negative pressure catheter with
Attract joint 7 on feeding hole connect, successively through feeding hole, No. two holes 712 thus with feeding drainage channel 8 insertion, can drain
Gastric backflows thing；By the connection in external connecting negative pressure source and suction port, suction port, No. three holes 713 and attraction channel 12 insertion successively,
The mucus secretion of throat can be attracted.
Breather 1 in the present embodiment is in 90 degree of settings of radian, can facilitate the throat of laryngeal mask patient.
Be provided with stealthy bite-block 12 in breather 1 in the present embodiment, stealthy bite-block 12 be located at breather 1 rear end and with logical
Trachea 1 is in integrated setting, and the setting of stealthy bite-block 12 can be exempted external bite-block, using convenient, can effectively ensure that and make
Used time, the occlusion of patients teeth does not interfere with normal ventilation.
The position of the extension 41 of an epiglottis support 4 being located on cover body 2 in the present embodiment is less than the position of flexible glue cover capsule 3
Put it can be ensured that laryngeal mask is during inserting, the extension 41 of an epiglottis support 4 on cover body 2 will not be with bottleneck throat
Contact internal walls, thus avoid the scuffing of mucosa on throat inwall.
On the surface of side opposite with inflatable chamber 31 on cover body 2 in the present embodiment, hydrophilic coating 24 is set, on cover body 2
The setting of hydrophilic coating 24 can play the effect of lubrication, can reduce the resistance when inserting and extract for the cover body 2, thus subtracting patient Zhi
Misery.
Furthermore, it is necessary to explanation, the specific embodiment described in this specification, the shape of its parts and components, it is named
Title etc. can be different, and the above content described in this specification is only that present configuration and accompanying drawing example are said
Bright.All equivalence changes done according to the construction described in inventional idea of the present invention, feature and principle or simple change, all include
In the protection domain of patent of the present invention.Those skilled in the art can be to described specific embodiment
Make various modifications or supplement or substituted using similar mode, the structure without departing from the present invention or surmount this power
Scope defined in sharp claim, all should belong to protection scope of the present invention.
Claims (9)
1. a kind of inflation-free laryngeal mask with liquid suction function, including breather and cover body, described breather is connected with cover body, its
It is characterised by: also include joint and the flexible glue cover capsule along the annular setting of cover body outer being arranged on breather, described flexible glue cover
Form inflatable chamber, on described cover body, the side opposite with inflatable chamber is provided with some suction holes, described breather between capsule and cover body
Inside it is provided with venting channels, feeding drainage channel and attraction channel, described venting channels are connected with inflatable chamber, described feeding drain
Passage is sequentially passed through breather and cover body and is connected with the feeding hole being arranged on cover body front end, and described suction hole is with attraction channel even
Logical, described joint is arranged on breather, and joint is provided with inflation inlet, feeding hole and suction port, described inflation inlet and ventilation
Channel connection, described feeding hole is connected with feeding drainage channel, and described suction port is connected with attraction channel；
Described joint includes joint for respiratory device and attracts joint, and described attraction joint includes base and is provided with the attraction of suction port
Pipe, described base has No. two holes and the attraction channel that the hole being connected with venting channels is connected with feeding drainage channel
No. three holes of connection, suction catheter is drawn from base and is connected with No. three holes, and described joint for respiratory device includes mounting seat and is provided with
The air tube of inflation inlet, described mounting seat is connected with air tube, and described mounting seat is provided with installation cavity, No. four holes and bit-avoiding slot,
The described floor installation attracting joint is installing intracavity, and No. four described holes are connected with No. two holes, described air tube and a hole
Connection, described bit-avoiding slot is mated with suction catheter, and described attraction joint is fixed with breather.
2. the inflation-free laryngeal mask with liquid suction function according to claim 1 it is characterised in that: described cover body include lead
Body and the flank being arranged on main body both sides, have difference in height, the both sides in described main body are respectively provided between described flank and main body
One row's suction hole, suction hole is arranged in main body and the junction near main body and flank.
3. the inflation-free laryngeal mask with liquid suction function according to claim 1 it is characterised in that: in described venting channels
It is provided with an epiglottis support, a described epiglottis support arranges in venting channels and venting channels are divided into two independences
Passage, a described epiglottis support from venting channels near the opening of cover body at draw and along cover body inner surface be extended and shape
Become extension, the height of this extension extreme direction along before cover body is gradually reduced.
4. the inflation-free laryngeal mask with liquid suction function according to claim 1 or 3 it is characterised in that: described flexible glue cover
Capsule is provided with No. two epiglottis supports, and described No. two epiglottis supports are located at the top in venting channels exit.
5. the inflation-free laryngeal mask with liquid suction function according to claim 2 it is characterised in that: described attraction channel
Quantity is two groups, and in main body, the suction hole of side is connected with one of which attraction channel, and the suction hole of opposite side is inhaled with another group
Draw channel connection.
6. the inflation-free laryngeal mask with liquid suction function according to claim 1 and 2 it is characterised in that: described breather
90 degree of settings in radian.
7. the inflation-free laryngeal mask with liquid suction function according to claim 1 and 2 it is characterised in that: described breather
Inside it is provided with stealthy bite-block.
8. the inflation-free laryngeal mask with liquid suction function according to claim 3 it is characterised in that: on cover body
The position of the extension of number epiglottis support is less than the position of flexible glue cover capsule.
9. the inflation-free laryngeal mask with liquid suction function according to claim 1 and 2 it is characterised in that: on described cover body
Hydrophilic coating is arranged on the surface of the side opposite with inflatable chamber.
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| CN107019833A (en) * | 2016-12-22 | 2017-08-08 | 天津麦迪安医疗器械有限公司 | A kind of airway of the closed aditus laryngis surrounding tissue of cover-cup type |
| CN106983939A (en) * | 2017-03-19 | 2017-07-28 | 田鸣 | A kind of new-type laryngeal mask of many air pipe passways |
| CN109675154A (en) * | 2017-10-19 | 2019-04-26 | 上海市第五人民医院 | A kind of laryngeal mask |
| CN107737395A (en) * | 2017-11-15 | 2018-02-27 | 方峥评 | One kind exempts from Puffer-type and rinses laryngeal mask |
| CN109200419A (en) * | 2018-10-26 | 2019-01-15 | 大连科万维医疗科技有限公司 | Rear-mounted balloon laryngeal mask |
| CN109350812A (en) * | 2018-11-12 | 2019-02-19 | 宁波路加医疗器械有限公司 | A kind of laryngeal mask with liquid suction function |
| CN112972840A (en) * | 2019-12-12 | 2021-06-18 | 河南驼人医疗器械集团有限公司 | Automatic inflation laryngeal mask ventilation device |
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