CN105498061B - Can suction sputum laryngeal mask - Google Patents
Can suction sputum laryngeal mask Download PDFInfo
- Publication number
- CN105498061B CN105498061B CN201610043854.7A CN201610043854A CN105498061B CN 105498061 B CN105498061 B CN 105498061B CN 201610043854 A CN201610043854 A CN 201610043854A CN 105498061 B CN105498061 B CN 105498061B
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- relief
- attraction channel
- laryngeal mask
- channel
- passage
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- 206010036790 Productive cough Diseases 0.000 title claims abstract description 52
- 210000003802 sputum Anatomy 0.000 title claims abstract description 52
- 208000024794 sputum Diseases 0.000 title claims abstract description 52
- 230000029058 respiratory gaseous exchange Effects 0.000 claims abstract description 29
- 210000002784 stomach Anatomy 0.000 claims abstract description 19
- 210000004051 gastric juice Anatomy 0.000 claims abstract description 10
- 210000004704 glottis Anatomy 0.000 claims abstract description 8
- 210000004072 lung Anatomy 0.000 claims abstract description 7
- 210000000214 mouth Anatomy 0.000 claims description 39
- 210000004400 mucous membrane Anatomy 0.000 claims description 13
- 210000003254 palate Anatomy 0.000 claims description 11
- 230000006837 decompression Effects 0.000 claims description 10
- 238000005304 joining Methods 0.000 claims description 5
- 210000000867 larynx Anatomy 0.000 claims 1
- 239000007788 liquid Substances 0.000 abstract description 12
- 238000009423 ventilation Methods 0.000 abstract description 6
- 210000003800 pharynx Anatomy 0.000 abstract description 2
- 230000028327 secretion Effects 0.000 description 13
- 230000000694 effects Effects 0.000 description 10
- 238000004140 cleaning Methods 0.000 description 9
- 230000036445 liquid secretion Effects 0.000 description 4
- 238000005399 mechanical ventilation Methods 0.000 description 3
- 229940121948 Muscarinic receptor antagonist Drugs 0.000 description 2
- 239000000812 cholinergic antagonist Substances 0.000 description 2
- 210000003238 esophagus Anatomy 0.000 description 2
- 210000002200 mouth mucosa Anatomy 0.000 description 2
- 238000005457 optimization Methods 0.000 description 2
- 206010002091 Anaesthesia Diseases 0.000 description 1
- 208000009612 Laryngismus Diseases 0.000 description 1
- 206010023891 Laryngospasm Diseases 0.000 description 1
- 206010038743 Restlessness Diseases 0.000 description 1
- 208000005392 Spasm Diseases 0.000 description 1
- 230000001133 acceleration Effects 0.000 description 1
- 230000037005 anaesthesia Effects 0.000 description 1
- 230000003444 anaesthetic effect Effects 0.000 description 1
- 230000003466 anti-cipated effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 230000002526 effect on cardiovascular system Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000000762 glandular Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 210000003128 head Anatomy 0.000 description 1
- 238000000338 in vitro Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 210000004877 mucosa Anatomy 0.000 description 1
- 230000002980 postoperative effect Effects 0.000 description 1
- 210000003296 saliva Anatomy 0.000 description 1
- 230000011218 segmentation Effects 0.000 description 1
- 230000003519 ventilatory effect Effects 0.000 description 1
- 230000002618 waking 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
- A61M16/04—Tracheal tubes
- A61M16/0463—Tracheal tubes combined with suction tubes, catheters or the like; Outside connections
-
- 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
- A61M2210/00—Anatomical parts of the body
- A61M2210/06—Head
- A61M2210/0625—Mouth
- A61M2210/065—Throat; Pharynx
Landscapes
- Health & Medical Sciences (AREA)
- Pulmonology (AREA)
- Emergency Medicine (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)
- External Artificial Organs (AREA)
- Dental Tools And Instruments Or Auxiliary Dental Instruments (AREA)
Abstract
Can suction sputum laryngeal mask the invention discloses one kind, including for connecting respiration channel, the attraction channel for aspirating sputum or gastric juice and the relief passage for being depressurized to attraction channel for ventilating with breathing pipeline and patient's glottis mouth, respiration channel includes the laryngeal mask cover body of closed connection, breather pipe and lung ventilator interface successively；Attraction channel is closed conduit, and head end suction port is arranged at the stomach relief pipe exit for closing on cover body head end, and tail end attracts interface to be arranged at respiration channel positioned at oral external point；Some vents are set on relief passage, are encompassed attraction channel and is distributed along attraction channel major axis.The present invention can clear up intraoral sputum and the gastric juice that backflows simultaneously in ventilation, will not be damaged caused by negative pressure counterpart pharynx wall when liquid is cleaned out, and simple structure is safe and practical.
Description
Technical field
The present invention relates to a kind of breather laryngeal mask, especially one kind can suction sputum laryngeal mask, belong to the technical field of medicine equipment.
Background technology
Breather laryngeal mask is one of ventilation consumptive material conventional at present, is had many advantages：（1）Using simple, can set up rapidly
Artificial airway；（2）Placement success rate is high, and the success rate of unbred medical personnel is 87%, total success rate 99.81%；（3）It is logical
Gas reliability；（4）Throat and tunica mucosa tracheae is avoided to damage；（5）Stimulate small, cardiovascular response is small；（6）Can be used for air flue during first aid
Set up.
But the laryngeal mask and imperfection used by clinic at present, total shortcoming is：Needed after patient awoke extract laryngeal mask before not
The sputum in oral cavity can be cleared up, laryngeal mask increased the risk that patient inhales by mistake after extracting, may cause patient's laryngospasm, branch gas
Pipe spasm etc..
Although the two-tube laryngeal masks of LMA are there is provided stomach relief chamber, stomach tube can be inserted by stomach relief chamber or gastric juice is cleared up,
But it is unable to the cleaning of counterpart luminal sectetion, it is impossible to reduce caused by oral secretion and generation and risk.
Although clinic reduces oral secretion generation by using anticholinergic agent, anticholinergic agent effect is limited,
And the restless risk of waking patient may be increased, and make that patient's sputum is excessively sticky can not to be excluded, it is unfavorable for patient postoperative rehabilitation.
Clinic need one kind can anesthetic stage and terminate Breathing Suppotion before can have to oral cavity and laryngeal mask airway chamber liquid
Imitate the laryngeal mask of cleaning.
The content of the invention
The purpose of the present invention is to overcome the deficiencies in the prior art, there is provided one kind can suction sputum laryngeal mask, in laryngeal mask airway
Passage side is provided with attraction channel, and intraoral sputum effectively can be cleared up；Encompass attraction channel and relief passage energy is set
To the effective decompression of attraction channel, it is to avoid the negative pressure that attraction channel attracts causes to damage to mucous membrane of mouth, simple structure, low cost, peace
It is complete reliable.
According to the technical scheme that the present invention is provided, can suction sputum laryngeal mask, including connect use with breathing pipeline and patient's glottis mouthful
Respiration channel in ventilation, for aspirating sputum or the attraction channel of the gastric juice that backflows and for being carried out to attraction channel negative pressure pressure
The relief passage of regulation.The respiration channel includes the laryngeal mask cover body of closed connection, breather pipe and lung ventilator interface successively.It is described
Laryngeal mask cover body is provided for the relief pipe to gastral cavity decompression foremost, and the head end suction port of the attraction channel is layer adjacent to subtract
Pressure pipe exit, with relief pipe outlet.The tail end of the attraction channel attracts interface to be arranged at outside oral cavity.It is described to attract logical
The head end of road or attraction channel is contained in the relief chamber of relief passage.The relief chamber of the relief passage is away from laryngeal mask wall cover
The offside cavity wall of body bottom sets some vents.
Relief passage inner chamber cross section is oblate class, and the attraction channel inner chamber is similar round, and the attraction channel sets
Put in relief passage inner chamber.
Attraction channel is connected with the front and rear wall median line of relief passage, and the relief chamber cross section of the relief passage is attracted
Channel segmentation is into two symmetrical class crescent relief chambers.
The side wall median line that attraction channel closes on laryngeal mask cover body side with relief passage is connected, the decompression of the relief passage
Chamber cross section is attracted passage and is reduced to a relief chamber for symmetrical class crescent.
Attraction channel is encompassed and is arranged in the relief chamber of relief passage, and the inner side cavity wall with relief passage is not connected to.
The suction cavity of attraction channel includes similar round, the suction cavity of the attraction channel with the cross section of the inner chamber of relief pipe
Round and smooth with the central axis of the inner chamber of relief pipe to be connected, when inserting stomach tube along the suction cavity of attraction channel, stomach tube can smoothly enter
The inner chamber of relief pipe.
The suction cavity of attraction channel connects as one cavity with the inner chamber of relief pipe, but in the relief pipe and attraction channel
Joining place STH be set form the head end suction port of the attraction channel.
Some decompression hole areas of relief chamber are all higher than the suction cavity area of section of attraction channel.
Attraction channel and relief passage are set to the table matched with palate in oral cavity with palate mucous membrane contact site in oral cavity
The rough radian curved surface in face.
Advantages of the present invention：Sputum in oral cavity and the gastric juice that backflows are carried out clearly by attraction channel when mechanical ventilation is anaesthetized
Reason, is depressurized, it is to avoid negative pressure is to tender and lovely oral mucosa damage by relief passage during cleaning to suction pressure.Operation terminates preceding energy
Oral cavity sputum and the gastric juice that backflows are cleared up, it is to avoid laryngeal mask is extracted mistiming and inhaled occurs caused risk, and the inventive structure is simple, cost
It is low, it is safe and reliable.
Brief description of the drawings
Fig. 1 is that structural representation is seen in side of the invention；
Fig. 2 is dorsal view structural representation of the invention；
Fig. 3 is A tangent planes cross section of the present invention；
Fig. 4 is B tangent planes cross section of the present invention；
Fig. 5 is C tangent planes cross section of the present invention；
Fig. 6 is the B tangent plane cross sections of another embodiment of the present invention；
Fig. 7 is the C tangent plane cross sections of another embodiment of the present invention.
Description of symbols：1- respiration channels, 11- laryngeal masks cover body, 12- breather pipes, 13- lung ventilators interface, 2- attraction channels,
21- relief pipes, 22- head ends suction port, 23- tail ends attract interface, 3- relief passages, 31- relief chambers and 32- vents.
Specific embodiment
With reference to specific accompanying drawing, the invention will be further described.
As shown in Figures 1 and 2, described one kind can suction sputum laryngeal mask, including connect and be used for breathing pipeline and patient's glottis mouth
The respiration channel 1 of ventilation, for aspirating sputum or the attraction channel of the gastric juice that backflows 2 and for entering to the negative pressure pressure of attraction channel 2
The relief passage 3 of row regulation.The respiration channel 1 includes the laryngeal mask cover body 11 of closed connection, breather pipe 12 and lung ventilator successively
Interface 13.The laryngeal mask cover body 11 is provided for the relief pipe 21 to gastral cavity decompression foremost, and the head end of the attraction channel 2 is inhaled
Draw mouth 22 and be layer adjacent to the exit of relief pipe 21, with the outlet of relief pipe 21.The tail end of the attraction channel 2 attracts interface
23 are arranged at outside oral cavity.The head end of the attraction channel 2 or attraction channel 2 is contained in the relief chamber 31 of relief passage 3.It is described
The relief chamber 31 of relief passage 3 sets some vents 32 in the offside cavity wall away from the bottom of laryngeal mask wall cover body 11.
Respiration channel 1 is the apokoinou construction of current laryngeal mask, and laryngeal mask is covered by the laryngeal mask cover body 11 of respiration channel 1 to be put in patient
Glottis outside, is connected, with Anesthesia machine or lung ventilator by breather pipe 12 and lung ventilator interface 13 for patient provides Breathing Suppotion.This
Place is no longer further specifically described to respiration channel 1.
Relief pipe 21 is set in the most head end of laryngeal mask cover body 11 in the present invention, tube head end is inserted with the stomach tube of LMA laryngeal masks
Position is identical when in use, is to insert patient's esophageal aperture portion.Unlike, the stomach tube of LMA inserts Guan Weiyi closed conduits
The extrabuccal top of respiration channel 1 of patient is opened on, inserting pipe by stomach tube can only insert stomach tube or insert sputum aspirator tube to gastral cavity
Decompression, there is no other use for it.And the length of relief pipe 21 is shorter in the present invention, only 5mm-20mm forms the outlet of relief pipe 21.
When using, the relief pipe 21 largely or entirely inserts patient's esophageal aperture portion.When stomach cavity pressure is higher, liquid or gas
Physical efficiency is discharged by esophagus by relief pipe 21.
The head end suction port 22 of attraction channel 2 is layer adjacent to the exit of relief pipe 21, and tail end attracts interface 23 to be arranged at
Respiration channel 2 is located at the position of extrabuccal breather pipe 12.The liquid or gas that gastral cavity is excluded are discharged by esophagus and relief pipe 21
Afterwards, the inner chamber of attraction channel 2 can be entered by the head end suction port 22 of attraction channel 2, attracts interface 23 to discharge eventually through tail end
In vitro.Certainly, operation during specific discharge is:Attract interface 23 to insert the inner chamber of attraction channel 2 by tail end sputum aspirator tube to stretch out
Head end suction port 22, discharges liquid through sputum aspirator tube in the presence of attractor negative pressure.
Attraction channel 2 is contained in the relief chamber 31 of relief passage 3, and relief passage 3 is away from respiration channel 1 and oral cavity
The back side wall that palate mucous membrane is fully contacted sets some vents 32.When using, it is described can suction sputum laryngeal mask patient oral cavity, institute
The lowest part that the head end suction port 22 of attraction channel 2 is located in relief chamber 31 is stated, relief chamber 31 is vertical, glandular secretion in oral cavity
Sputum can enter relief chamber 31 by some vents 32 of relief passage 3 under gravity, and be collected at relief chamber 31
The position of the head end suction port 22 of lowest part, i.e. attraction channel 2.When needing cleaning, directly the tail end in attraction channel 2 attracts to connect
Mouthfuls 23 connect adapter for suction unit, or attract interface 23 to insert sputum aspirator tube cleaning by the tail end of attraction channel 2.
Now, the setting meaning of the relief passage 3 is to make the dorsal part of laryngeal mask cover body 11 with the mucous membrane shape of oral cavity palate
Into certain gap, enable in oral cavity liquid accumulates to attraction by the inner chamber in gap, some vents 32 and relief passage 3
The head end suction port 22 of passage 2.When the tail end of attraction channel 2 attracts the connection negative-pressure suction pipeline of interface 23, negative pressure is through attracting
Passage 2 is conducted to head end suction port 22, is further transmitted to each vent 32 through the relief chamber 31 of relief passage 3.In negative pressure
Under effect, the sputum in oral cavity everywhere enters relief chamber 31 through each vent 32, and acceleration is transmitted to head end suction port 22, and then
Interface 23 is attracted to discharge by tail end through attraction channel 2.
But the meaning that relief passage 3 is set is not limited to be easy to sputum to gather cleaning, and prior effect is that regulation attracts
The intensity of the head end suction port 22 of passage 2 negative pressure pressure when sputum is cleared up, it is to avoid negative pressure pressure is excessive to tender and lovely oral cavity palate
Mucous membrane causes damage.
Its regulation the negative pressure intensity of pressure principle be：When intraoral sputum or the gastric juice that backflows is more is not cleaned still
When, liquid is detained in the relief chamber 31 in relief passage 3, in the bottom chamber of relief passage 3, in relief pipe 21 or attraction channel 2
At head end suction port 22, when directly attracting attraction channel 2 or attracting cleaning liquid by sputum aspirator tube, liquid secretion thing is negative
The lower discharge of pressure effect.Meanwhile, the sputum being partly detained in relief chamber 31 is cleaned, and it is logical that the relief chamber 31 of relief passage 3 becomes
Freely, the gas outside laryngeal mask enters in relief chamber 31 through each vent 32, and then enters attraction channel 2 through head end suction port 22
It is interior.Now, although the head end suction port 22 of attraction channel 2 has no sputum, but due to the unimpeded nothing of relief chamber 31 of relief passage 3
Resistance, large quantity of air enters attraction channel 2 through the relief chamber 31 of relief passage 3, and the negative pressure of the head end suction port 22 of attraction channel 2 subtracts
It is small, the mucous membrane for being adsorbed in oral cavity palate that will not be tightly, even if attracting the connection negative-pressure suction pipe of interface 23 in the tail end of attraction channel 2
Extracted under the situation on road it is described can suction sputum laryngeal mask the mucous membrane of oral cavity palate will not also be caused damage.
As described above, the relief passage 3 that some vents 32 are provided with by encompassing to the head end of attraction channel 2 reaches：When
When in oral cavity by more secretion, the vent 32 of relief passage 3 makes relief chamber 31 be blocked because secretion is flowed into, attraction channel
2 negative pressure can not be flowed into and reduced by air, and the negative pressure of attraction channel 2 can reach the maximum of vacuum suction path, herein
Under negative pressure, liquid secretion thing is discharged rapidly through attraction channel 2；When secretion part is discharged, because the part of relief passage 3 subtracts
Press the secretion in hole 32 to be eliminated, the stopping state of relief chamber 31 has been taken a turn for the better, air is with appropriate speed through part reduced pressure hole 32
Into relief passage 3, the negative pressure of attraction channel 2 has reduced, but still the secretion of residual in relief passage 3 can be carried out clearly
Reason；After secretion is drained, the secretion of all vents 32 is eliminated, and the relief chamber 31 of relief passage 3 is unblocked, greatly
Amount air enters attraction channel 2 through the relief chamber 31 of relief passage 3, and the negative pressure of the head end suction port 22 of attraction channel 2 is reduced to
The lowest limit, formed a suck do not attract or it is weaker attract mucous membrane of mouth purpose.Be finally reached oral secretion it is more when attract
Passage 2 attracts oral secretion, and the only suck of attraction channel 2 does not attract the mesh of mucous membrane of mouth when oral secretion is cleaned out
's.
As shown in Figure 1, Figure 2, shown in Fig. 4, Fig. 5, Fig. 6 and Fig. 7, the attraction channel 2 and relief passage 3 are arranged at breathing and lead to
The bottom side of 1 laryngeal mask cover body of road 11.It is described can suction sputum laryngeal mask be used for Breathing Suppotion when, the opening of laryngeal mask cover body 11 is shrouded in glottis
Mouthful, the attraction channel 2 will carry out effective cleaning to sputum, and its head end suction port 22 need to be arranged on intraoral lowest part,
That is the bottom of laryngeal mask cover body 11 position foremost.Under the premise of herein, to make the arrangement optimization of attraction channel 2, attract unobstructed, optimum position
It is arranged on the bottom side that respiration channel 1 is open away from laryngeal mask cover body 11.And relief passage 3 preferably encompasses attraction channel 2 and sets
Put, the dorsal part that respiration channel 1 is open away from laryngeal mask cover body 11 should be arranged side by side in attraction channel 2.
As shown in Fig. 4, Fig. 5, Fig. 6 and Fig. 7, the cross section of relief passage 3 is oblate class, the attraction channel 2 and decompression
The side wall connection of passage 3.In Fig. 4 and Fig. 5, the attraction channel 2 is connected with the front and rear wall median line of relief passage 3, described
The cross section of relief chamber 31 of relief passage 3 is attracted passage 2 and is divided into two symmetrical class crescent relief chambers 31, the attraction
Passage 2 is fixed in relief passage 3 by safe.Meanwhile, the attraction channel 2 is played a supporting role to relief passage 3, makes to subtract
The relief chamber 31 of pressure passageway 3 is divided into two symmetrical class crescent, mucous membrane of mouth pressure effect under do not allow it is yielding,
The movement of the laryngeal mask cover body 11 for causing therefrom is reduced, the gas leakage in mechanical ventilation of laryngeal mask cover body 11 is further reduced and machine is occurred
Rate.
In Fig. 6 and Fig. 7, the side wall median line that attraction channel 2 closes on the side of laryngeal mask cover body 11 with relief passage 3 is connected,
The cross section of relief chamber 31 of the relief passage 3 is attracted passage 2 and is reduced to a relief chamber for symmetrical class crescent
31.In this embodiment, when relief passage 3 receives larger pressure, the back side wall that relief passage 3 dissociates with attraction channel 2
May deform, abut on the tube wall of attraction channel 2.But the advantage of this embodiment is to be used to set on the lateral wall of relief passage 3
The area increase of vent 32 is put, liquid secretion thing that can be more comprehensively to oral cavity everywhere is cleared up.
Attraction channel 2 can also be encompassed and is arranged in the relief chamber 31 of relief passage 3, the inner side cavity wall with relief passage 3
It is not connected to.Its specifically used effect has no a kind of dramatically different, simply viable solution with above two scheme.
In addition, it is necessary to what is reminded is：Attraction channel 2 is necessarily placed at the relief chamber of relief passage 3 except head end suction port 22
In 31, the suction pipeline and tail end of attraction channel 2 attract the interface 23 can be arranged on outside relief passage 3, or even are arranged on and exhale
It is also feasible in suction passage 1.Simply from the point of view of optimal ventilatory effect and optimal appearance, attraction channel 2 is preferably provided at decompression
In the relief chamber 31 of passage 3.
As shown in Figure 1, Figure 2, shown in Fig. 3, Fig. 4, Fig. 5, Fig. 6 and Fig. 7, suction cavity and the relief pipe 21 of the attraction channel 2
The cross section of inner chamber includes similar round, suction cavity and the round and smooth phase of the central axis of the inner chamber of relief pipe 21 of the attraction channel 2
Even, when inserting stomach tube along the suction cavity of attraction channel 2, stomach tube can smoothly into the inner chamber of relief pipe 21.
The inner chamber of attraction channel 2 and relief pipe 21 sets similar round, is easy to sputum aspirator tube to insert in tube chamber to being collected at attraction
In passage 2 and relief pipe 21 backflow gastric juice or saliva is cleared up.Certainly, the inner chamber of attraction channel 2 and relief pipe 21 also may be used
To be arranged to other shapes, but its cavity size need to be enough to accommodate sputum aspirator tube and insert.
The suction cavity of attraction channel 2 is round and smooth with the central axis of the inner chamber of relief pipe 21 to be connected and is easy to sputum aspirator tube to clear up sputum
When insert the inner chamber of the suction cavity Yu relief pipe 21 of drawing passage 2, also allow for stomach tube and insert in patient's gastral cavity to implement gastral cavity decompression.If
The central axis of the inner chamber of attraction channel 2 and relief pipe 21 is inevitable to exist when stomach tube or sputum aspirator tube are inserted not on a slur
Draw and be obstructed between the head end of passage 2 and the tail end of relief pipe 21, ill effect is caused to using effect.
During specific implementation, the suction cavity of the attraction channel 2 may be arranged as being connected as one with the inner chamber of relief pipe 21
The cavity of body, but joining place in the relief pipe 21 and attraction channel 2 sets STH and forms the head end of the attraction channel 2
Suction port 22.This is a kind of embodiment of optimization, the suction cavity of attraction channel 2 is anticipated at certain with the inner chamber of relief pipe 21
One cavity is formed in justice, technique is more succinct, and now, attraction channel 2 is combined on pipeline configuration with LMA's with relief pipe 21
The somewhat like but important difference of gastral cavity relief pipe is that must set STH in attraction channel 2 and the joining place of relief pipe 21.
The STH for setting herein is functionally equivalent to the head end suction port 22 of attraction channel 2.It is intraoral during cleaning liquid secretion
Liquid enters in the relief chamber 31 of relief passage 3 by vent 32, and then is set with the joining place of relief pipe 21 via attraction channel 2
STH into attraction channel 2 is put, is finally discharged under suction function.
The area of some vents 32 of relief chamber 31 is all higher than the suction cavity area of section of attraction channel 2.Sufficiently large subtracts
The pressure area of hole 32 is set, and relief chamber 31 is can guarantee that the effect of easing stress to attraction channel 2, it is to avoid vent 32 is adsorbed in oral cavity and sticks
Film is damaged when laryngeal mask is extracted.
In order to further illustrate it is described can suction sputum laryngeal mask, as shown in Figures 1 and 2, to the position of relief pipe 21, the laryngeal mask of laryngeal mask
Tangent plane A, tangent plane B and tangent plane C have been respectively in the corrugated hose position of the position of cover body 11 and respiration channel 1.Tangent plane A sectional views are as schemed
Shown in 3, front side is the head end of laryngeal mask cover body 11, and dorsal part is relief pipe 21, and relief pipe 21 is largely or entirely embedded in when using
In esophageal aperture, the head end of laryngeal mask cover body 11 is held on front side of esophageal aperture, seals esophageal aperture, stomach when ventilation is reduced or avoided
Liquid backflows into respiration channel 1.As shown in Fig. 4 and Fig. 6, front side is the central part of laryngeal mask cover body 11 to tangent plane B-section figure, is used
When the both sides of laryngeal mask cover body 11 ventilation seal cover put in glottis left and right sides mucous membrane of mouth wall respectively；Dorsal part is relief chamber 31 and bag
The suction cavity of attraction channel 2 in relief chamber 31 is contained in, the rear wall of relief chamber 31 is provided with some vents 32.Tangent plane C sections
Figure as shown in Figure 5 and 7, front side for respiration channel 1 breather pipe 12, be fixed in oral cavity in the oral cavity space away from glottis or
Positioned at oral cavity outside；Dorsal part is relief chamber 31 and encompasses the suction cavity of attraction channel 2 in relief chamber 31, the rear wall of relief chamber 31
It is provided with some vents 32.
Further, attraction channel 2 and relief passage 3 it is described can the dorsal part of suction sputum laryngeal mask formed and palate in oral cavity
The radian curved surface matched somebody with somebody, when it is described can in suction sputum laryngeal mask patient oral cavity when can preferably match, safe fixation reaches more preferably
Using effect.The radian curved surface is preferably provided with some projection blocks and intersects alternate rough radian curved surface with depression,
So, the present invention can in suction sputum laryngeal mask patient oral cavity when, laryngeal mask dorsal part radian curved surface and shape in the palate mucous membrane of patient oral cavity
Into the gap of mutual dredging, the gap for being easy to mouthful intracavity liquid to pass through dredging mutually is flowed into relief chamber 31 through vent 31.
In a word：Simple structure of the present invention, when mechanical ventilation is anaesthetized by attraction channel to sputum in oral cavity and the stomach that backflows
Liquid is cleared up, it is to avoid laryngeal mask is extracted mistiming and inhaled occurs caused risk, suction pressure can be depressurized by relief passage, it is to avoid
, to tender and lovely oral mucosa damage, the inventive structure is simple, and low cost is safe and reliable for negative pressure.
Claims (9)
1. one kind can suction sputum laryngeal mask, including with breathing pipeline and patient's glottis mouth connect for ventilate respiration channel（1）, be used for
The attraction channel of suction sputum or the gastric juice that backflows（2）And for attraction channel（2）The relief passage that negative pressure pressure is adjusted
（3）；The respiration channel（1）Laryngeal mask cover body including closed connection successively（11）, breather pipe（12）And lung ventilator interface（13）,
It is characterized in that：The laryngeal mask cover body（11）The relief pipe to gastral cavity decompression is provided for foremost（21）；The attraction channel（2）
Head end suction port（22）It is layer adjacent to relief pipe（21）Exit, with relief pipe（21）Outlet；The attraction channel
（2）Tail end attract interface（23）It is arranged at outside oral cavity；The attraction channel（2）Or attraction channel（2）Head end be contained in and subtract
Pressure passageway（3）Relief chamber（31）It is interior；The relief passage（3）Relief chamber（31）Away from laryngeal mask wall cover body（11）Bottom
Offside cavity wall sets some vents（32）.
2. according to claim 1 can suction sputum laryngeal mask, it is characterized in that：The relief passage（3）Inner chamber cross section is that class is oblate
Shape, the attraction channel（2）Inner chamber is similar round, the attraction channel（2）It is arranged on relief passage（3）In inner chamber.
3. according to claim 2 can suction sputum laryngeal mask, it is characterized in that：The attraction channel（2）With relief passage（3）It is front and rear
Wall median line is connected, the relief passage（3）Relief chamber（31）Cross section is attracted passage（2）It is divided into two symmetrical classes
Crescent relief chamber（31）.
4. according to claim 2 can suction sputum laryngeal mask, it is characterized in that：The attraction channel（2）With relief passage（3）Close on larynx
Cover cover body（11）The side wall median line connection of side, the relief passage（3）Relief chamber（31）Cross section is attracted passage（2）
It is reduced to a relief chamber for symmetrical class crescent（31）.
5. according to claim 2 can suction sputum laryngeal mask, it is characterized in that：The attraction channel（2）Encompass and be arranged on relief passage
（3）Relief chamber（31）In, with relief passage（3）Inner side cavity wall be not connected to.
6. according to claim 1 can suction sputum laryngeal mask, it is characterized in that：The attraction channel（2）Suction cavity and relief pipe
（21）The cross section of inner chamber be similar round, the attraction channel（2）Suction cavity and relief pipe（21）The round and smooth phase in inner chamber
Even, along attraction channel（2）Suction cavity when inserting stomach tube, stomach tube can smoothly enter relief pipe（21）Inner chamber.
7. according to claim 1 can suction sputum laryngeal mask, it is characterized in that：The attraction channel（2）Suction cavity and relief pipe
（21）Inner chamber connect as one cavity, but in the relief pipe（21）And attraction channel（2）Joining place set STH shape
Into the attraction channel（2）Head end suction port（22）.
8. according to claim 1 can suction sputum laryngeal mask, it is characterized in that：The relief chamber（31）Some vents（32）Area
It is all higher than attraction channel（2）Suction cavity area of section.
9. according to claim 2 can suction sputum laryngeal mask, it is characterized in that：The attraction channel（2）And relief passage（3）With oral cavity
Interior palate mucous membrane contact site is set to the rough radian curved surface with palate surface matching in oral cavity.
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| CN201610043854.7A CN105498061B (en) | 2016-01-25 | 2016-01-25 | Can suction sputum laryngeal mask |
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| CN105999500A (en) * | 2016-06-13 | 2016-10-12 | 南京医事达生物科技有限公司 | Non-invasive back drainage laryngeal mask |
| CN108325038A (en) * | 2018-05-07 | 2018-07-27 | 余庆县人民医院 | A kind of oropharyngeal airway |
| US10441735B1 (en) * | 2018-05-11 | 2019-10-15 | Gary Zhou | Combined laryngeal-bronchial lung separation system |
| KR20210016408A (en) * | 2018-05-24 | 2021-02-15 | 우시 홀리 노아 테크놀로지 컴퍼니 리미티드 | Positioning sputum suction laryngeal mask |
| CN113694331A (en) * | 2021-09-03 | 2021-11-26 | 无锡圣诺亚科技有限公司 | Air sac phlegm-sucking laryngeal mask |
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| DE60331971D1 (en) * | 2003-10-16 | 2010-05-12 | Oliveira Fortuna Anibal De | COMBINATION OF ARTIFICIAL AIRWAY EQUIPMENT AND ÖSOPHAGUS OBTURATOR |
| WO2010066001A1 (en) * | 2008-12-10 | 2010-06-17 | Thomas Ernest Havas | Laryngeal hood |
| GB201016562D0 (en) * | 2010-10-01 | 2010-11-17 | Laryngeal Mask Company The Ltd | Artificial airway device |
| CN103316409B (en) * | 2012-03-22 | 2016-06-01 | 田鸣 | Novel multifunctional laryngeal mask |
| CN103203058A (en) * | 2013-04-12 | 2013-07-17 | 浙江曙光科技有限公司 | Multiple-cavity integrated laryngeal mask capable of being inserted by endoscope |
| CN203183463U (en) * | 2013-04-12 | 2013-09-11 | 浙江曙光科技有限公司 | Multi-cavity laryngeal mask |
| CN105148365B (en) * | 2015-08-21 | 2018-01-23 | 郑州大学第一附属医院 | The bionical breather laryngeal mask of leech |
| CN205386271U (en) * | 2016-01-25 | 2016-07-20 | 高宏 | Can inhale phlegm laryngeal mask |
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Effective date of registration: 20210112 Address after: 214000 99-4112, 99-4113, Zhongshu Road, Liangxi District, Wuxi City, Jiangsu Province Patentee after: WUXI SHENGNUOYA TECHNOLOGY Co.,Ltd. Address before: 214023 Department of Anesthesiology, Wuxi people's Hospital, No. 299 Qingyang Road, Nanchang District, Wuxi, Jiangsu Patentee before: Gao Hong |