CN105214188B - Many tube chamber laryngeal masks - Google Patents

Many tube chamber laryngeal masks Download PDF

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Publication number
CN105214188B
CN105214188B CN201510754719.9A CN201510754719A CN105214188B CN 105214188 B CN105214188 B CN 105214188B CN 201510754719 A CN201510754719 A CN 201510754719A CN 105214188 B CN105214188 B CN 105214188B
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CN
China
Prior art keywords
logical
cover
laryngeal mask
breather pipe
inflatable cover
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CN201510754719.9A
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Chinese (zh)
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CN105214188A (en
Inventor
汤立
冯勃
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Individual
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Priority to CN201510754719.9A priority Critical patent/CN105214188B/en
Publication of CN105214188A publication Critical patent/CN105214188A/en
Priority to PCT/CN2016/102545 priority patent/WO2017080347A1/en
Priority to KR1020187020826A priority patent/KR102204635B1/en
Priority to KR1020187016432A priority patent/KR102127585B1/en
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    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES 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
    • A61M16/00Devices for influencing the respiratory system of patients by gas treatment, e.g. mouth-to-mouth respiration; Tracheal tubes
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES 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
    • A61M16/00Devices for influencing the respiratory system of patients by gas treatment, e.g. mouth-to-mouth respiration; Tracheal tubes
    • A61M16/04Tracheal tubes
    • A61M16/0486Multi-lumen tracheal tubes
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES 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
    • A61M16/00Devices for influencing the respiratory system of patients by gas treatment, e.g. mouth-to-mouth respiration; Tracheal tubes
    • A61M16/04Tracheal tubes
    • A61M16/0402Special features for tracheal tubes not otherwise provided for
    • A61M16/0415Special features for tracheal tubes not otherwise provided for with access means to the stomach
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES 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
    • A61M16/00Devices for influencing the respiratory system of patients by gas treatment, e.g. mouth-to-mouth respiration; Tracheal tubes
    • A61M16/04Tracheal tubes
    • A61M16/0434Cuffs
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES 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
    • A61M16/00Devices for influencing the respiratory system of patients by gas treatment, e.g. mouth-to-mouth respiration; Tracheal tubes
    • A61M16/04Tracheal tubes
    • A61M16/0463Tracheal tubes combined with suction tubes, catheters or the like; Outside connections

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  • 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)
  • Respiratory Apparatuses And Protective Means (AREA)
  • Instructional Devices (AREA)
  • Media Introduction/Drainage Providing Device (AREA)
  • Surgical Instruments (AREA)

Abstract

Many tube chamber laryngeal masks, in addition to the breather pipe that possesses including common laryngeal mask and connected inflatable cover, are additionally provided with logical pharyngeal canal that is adjacent but independent with the breather pipe and leading to the inflatable cover back;Oropharynx juice, blood or the stomach for being gathered in inflatable cover periphery and bottleneck throat backflow liquid, can suck logical pharyngeal canals via multiple logical pharynx holes of logical pharyngeal canal distal end and be sucked away discharge, it is to avoid produce suction or laryngospasm by mistake.

Description

Many tube chamber laryngeal masks
Technical field
The present invention relates to laryngeal mask technical field, more particularly to many tube chamber laryngeal masks.
Background technology
Since laryngeal mask comes out from the eighties, it has been widely used under various different clinical settings during including surgery anesthesia Airway management works, with mask, trachea cannula and referred to as three big respiratory tract instruments.If placing appropriate, the inflatable cover meeting of laryngeal mask Cover is placed on larynx and seals larynx, and its top just falls in esophagus opening, and the tube chamber of its breather pipe faces sound Door.
Laryngeal mask has lot of advantages, both can as air-breather, can also as trachea cannula guiding tube, can be with It is used as the remediation tools of difficult airway patient airway's tube pulling.However, in surgical procedure, oral cavity juice, stomach backflow liquid or Air flue bleeding may be assembled and be trapped in oropharynx and bottleneck throat, it is difficult to be found by clinical staff, although these body fluid are located at In patient oral cavity and the respiratory tract of patient is isolated from, but the sealing of the inflatable cover and bottleneck throat due to laryngeal mask is not 100%, When slightly neglecting, these body fluid will enter respiratory tract, so as to cause fatefulue inhale or laryngospasm by mistake.
Although laryngeal mask and other glottis epithelium healings can be with guidance tracheal intubations, none energy of disposable glottis epithelium healing There is provided glottis visual.Therefore the trachea cannula through laryngeal mask or other glottis epithelium healings is actually blindmate, or will be by means of soft Bronchoscope.Former approach success rate is low and has the danger of larynx week damage, especially needs in the case of repeating;It is latter The method of kind is generally required for extra personnel to be helped.When in daily use, after laryngeal mask is smoothly placed but can not it not ventilate Situation occurs often, and the probability that effective ventilation is unable to reach after in fact attempting first is up to 30%.Even being correctly inserted into it During use afterwards, laryngeal mask and other glottis epithelium healings may also break down, such as abnormal sound, gas leakage, airway resistance Increase, throughput reduction etc..Due to not possessing visualization, therefore the original for judging without reliable method or differentiating failure Cause.Such case especially makes us anxious in the case of difficult airway or difficult position.
In addition, preformed laryngeal mask is easily placed but does not possess plasticity, therefore inconvenience is used for nasal cavity, nasal sinus or head Operation on neck.Simultaneously for the patient of abnormal airway or micromandible, this laryngeal mask tends not to form good throat packing Condition.In contrast, flexible laryngeal mask is not easy to place again, does not also possess stomach emission mechanism.
The content of the invention
It is an object of the invention to propose that a kind of body fluid that can be will accumulate at any time near laryngeal mask is suctioned out so as to avoid letting out Many tube chamber laryngeal masks of suction or laryngospasm are missed caused by dew.
For up to this purpose, the present invention uses following technical scheme:
Many tube chamber laryngeal masks, including inflatable cover and breather pipe, are additionally provided with logical pharyngeal canal, and the distal ports of the logical pharyngeal canal are arranged on The back of the inflatable cover, and offer logical pharynx hole.
The logical pharyngeal canal leads to pharyngeal canal in the back bifurcated of the inflatable cover, and it is located at the back of the inflatable cover respectively In shallow ridges of the cover back of the body and cover of both sides between, and continue to extend up to the distal end of the inflatable cover.
Two logical pharyngeal canals are trapped in the inflatable cover, externally only expose the logical pharynx hole.
The proximal segment of the logical pharyngeal canal is attached at the breather pipe;The proximal segment of the logical pharyngeal canal is longer than the breather pipe Part is in free state.
The proximal segment of the logical pharyngeal canal is free on the breather pipe.
It is preferred that, video tube is additionally provided with, the video tube whole process is close to the side of breather pipe, against the logical pharynx Pipe, turns to the cover back of the body of the center line of the laryngeal mask and the embedded inflatable cover in the distal end of the breather pipe, is formed for holding gradually The transparent cecum of video component is received and protects, the transparent cecum is located at the middle back of the cover back of the body.
It is preferred that, it is additionally provided with logical stomach tube, the logical stomach tube is close to the side of the breather pipe and along the inflatable cover The back of the body on the right side of continue to extend, the center line of the laryngeal mask is increasingly turned in the distal end of the cover back of the body of the inflatable cover, in the inflatable cover The tip of distal end form logical gastrostome.
The breather pipe point proximal segment and distal ports, the distal ports are made by soft or semi-soft material and had certain Plasticity, the proximal segment is made up of hard material and forms stiffener rings.
It is preferred that, support arm is additionally provided with, the near-end of the support arm is provided with two elastic clips for encircling shape, distally set It is equipped with the groove of dovetail formation;The elastic clip is clipped in the stiffener rings of the breather pipe near-end, and the groove is stuck in the ventilation The junction of pipe and the inflatable cover.
The proximal segment of the logical pharyngeal canal is provided with threeway, the logical pharyngeal canal of first end connection of the threeway, and the second end is inhaled with negative pressure Liquid equipment is connected, and the 3rd end is vacant.
Using many tube chamber laryngeal masks of the present invention, be gathered in the oral cavity juice of inflatable cover periphery and bottleneck throat, blood or Stomach backflows liquid, is sucked away via logical pharynx hole and logical pharyngeal canal, it is to avoid produces and inhales by mistake or laryngospasm when leaking.
Brief description of the drawings
Fig. 1 is the right flank structural representation of embodiments of the invention 1, and it is attaching type to lead to pharyngeal canal, sets logical stomach tube.
Fig. 2 is the approximate positive structure schematic of embodiments of the invention 1.
Fig. 3 is the approximate structure schematic diagram of embodiments of the invention 1.
Fig. 4 is the structural representation of the approximate left surface of embodiments of the invention 2, and it is attaching type to lead to pharyngeal canal, sets logical stomach Pipe and video tube.
Fig. 5 is the approximate structure schematic diagram of embodiments of the invention 3, and it is sequestered to lead to pharyngeal canal, set logical stomach tube and Video tube.
Fig. 6 is the structural representation in approximate another direction of the back side of embodiments of the invention 3.
Fig. 7 is the approximate positive structural representation of embodiments of the invention 3.
Fig. 8 is the structural representation of the support arm in various embodiments of the present invention.
Wherein:Breather pipe A, proximal segment(Stiffener rings)A1, distal ports A2, gas tube B, lead to stomach tube G, lead to pharyngeal canal S, S1, S2, Threeway S3, video tube V, inflatable cover 1, logical gastrostome 11 lead to pharynx hole 12, and the cover back of the body 14 is covered along 15, support arm 2, elastic clip 21, dovetail 22, groove 23.
Embodiment
Further illustrate technical scheme below in conjunction with the accompanying drawings and by embodiment.
Reference picture 1, is distal end close to the direction of inflatable cover 1, is near-end close to breather pipe A direction, this is relative to behaviour For author, inflatable cover 1 is away from operator, breather pipe A Proximity operation persons.
In when oral cavity is inserted in front, the back side, left side and right side with laryngeal mask, the left side of people is on the left of laryngeal mask, the right side of people Side is that on the right side of laryngeal mask, the front of people is laryngeal mask front, and the back side of people is the laryngeal mask back side, is defined by Fig. 1, is that vertical paper is outside For right side, vertical paper is inwardly left side;Breather pipe A is bending, and the outside of bending is back, the inside of bending for front or Before person.
Embodiment 1
Reference picture 1, Fig. 2 and Fig. 3, many tube chamber laryngeal masks of the present embodiment, except the He of inflatable cover 1 possessed including common laryngeal mask Breather pipe A, is additionally provided with logical pharyngeal canal S, the distal ports of the logical pharyngeal canal S are arranged on the back of the inflatable cover 1, and offer logical Swallow hole 12.
The logical pharyngeal canal S leads to pharyngeal canal S1 and S2 in the back bifurcated of the inflatable cover 1, respectively positioned at the inflatable cover The cover back of the body 14 and cover of 1 back both sides continue to extend up to the distal end of the inflatable cover 1 along along the shallow ridges between 15, in larynx Cover periphery bottleneck throat lowest part and produce enough attraction areas.The shape of inflatable cover 1 is, by well-designed, to comply fully with often Advise the architectural feature of human body throat, it is impossible to change easily.Therefore, lead to pharyngeal canal S1 and S2 to be arranged in shallow ridges, will not protrude from and fill The surface of gas hood 1, does not change the outer shape of inflatable cover 1 completely on the whole(In terms of back, several logical pharynx holes 12 are can only see), With wider adaptability, it is to avoid influence the insertion of inflatable cover 1 because of logical pharyngeal canal S presence.
The logical pharyngeal canal S1 and S2 of the left and right sides collects for a logical pharyngeal canal S in the near-end of inflatable cover 1.Logical pharyngeal canal S is near End section is attached at the left side of the breather pipe A, and the near-end for leading to the part that pharyngeal canal S length exceedes the breather pipe A sets what is dissociated Threeway S3, threeway S3 logical pharyngeal canal S of first end connection, the second end are connected with negative-pressure liquid suction equipment, and the 3rd end is vacant.Negative pressure Imbibition equipment continuous service, when blocking threeway S3 three end with hand, that is, starts imbibition;When unclamping the 3rd of threeway S3 the with hand During end, then imbibition equipment can only draw ambient air, will not suction port intracavity liquid, so as to extremely flexibly control ingest Pipe S operation.Under regular situation, first end is located on the same line with the second end, and the 3rd end is perpendicular to first end and second End.
Oral cavity juice, blood or the stomach for being gathered in the periphery of inflatable cover 1 and bottleneck throat backflow liquid, via the logical He of pharynx hole 12 Logical pharyngeal canal S is sucked away, it is to avoid is produced and is inhaled by mistake or laryngospasm when leaking.Logical pharyngeal canal S internal diameters are 3~3.5 mm, and it is not required to Will too thick diameter, it is that can siphon away the liquid of aggregation that timing or not timing, which start imbibition equipment,.
Logical pharyngeal canal S proximal segment is entirely attached at the breather pipe A, the various pipelines of whole laryngeal mask is concentrated on one Rise, be conducive to tube chamber to manage.
The present embodiment is additionally provided with logical stomach tube G, and the logical stomach tube G is close to the right side of the breather pipe A and filled along described Continue to extend on the right side of the back of the body of gas hood 1, the center line of the laryngeal mask is increasingly turned in the distal end of the cover back of the body 14 of the inflatable cover 1, in institute The tip for stating the distal end of inflatable cover 1 forms logical gastrostome 11.The positive alignment esophagus upper end of logical gastrostome 11 of correct laryngeal mask is installed, leads to stomach Pipe G a diameter of 4.5mm.Logical stomach tube G can discharge the gas leakage of laryngeal mask at any time, while can be by periphery via logical stomach tube G Long 12F to 14F suction tube or stomach tube imports in stomach to discharge gas and residual gastric juice in stomach in time.For laryngeal mask, 12F-14F refers to a length of 12mm-14mm in periphery.
The breather pipe A point proximal segment A1 and distal ports A2, the distal ports A2 made by soft or semi-soft material and With certain plasticity, the proximal segment A1 is made up of hard material and forms stiffener rings A1.
The breather pipe A of plasticity, can be adjusted flexibly the position that breather pipe A is exposed at outside mouth behind laryngeal mask insertion oral cavity, from And when avoiding to oral cavity or operation on face, the breather pipe A of hard hinders the problem of doctor operates.
Reference picture 1 and Fig. 8, the present embodiment are additionally provided with support arm 2, and the near-end of the support arm 2, which is provided with, encircles shape Two elastic clips 21, are distally provided with the groove 23 of the formation of dovetail 22;The elastic clip 21 is clipped in the strong of the breather pipe A near-ends Change ring A1, the groove 23 is stuck in the breather pipe A and the inflatable cover 1 junction.
When inserting laryngeal mask, breather pipe A and support arm 2 turn into handle when inserting laryngeal mask jointly, are hard according to breather pipe A The inserted mode of preformed laryngeal mask installed, hand-held supports arm 2 can just adjust the position and direction of laryngeal mask, so that side Just laryngeal mask is inserted.After laryngeal mask is installed in place, elastic clip 21 is located at near-end, near mouth, and groove 23 is located at distal end, is located at It is intraoral, with hand touching less than.When needing to disassemble support arm 2, it is only necessary to remove elastic clip 21, groove 23 with regard to coming off naturally, Operation is very easy.The firm position for removing support arm 2 afterwards, adjusting the breather pipe A of shaping or flexible laryngeal mask is installed, will Be fixed on do not influence operation position, the face of patient is for example fixed on adhesive tape, it is possible to carry out mouth and nose chamber or face Perform the operation.
The breather pipe A be maximum inner diameter up to 14 × 15mm semicircle air flue tube chamber, #8.0 tracheae can be guided to lead Pipe passes through.
Embodiment 2
Reference picture 4, on the basis of embodiment 1, not only sets logical stomach tube G, the present embodiment is additionally provided with video tube V, institute The side that video tube V whole process is close to breather pipe A is stated, against the logical pharyngeal canal S, is turned to gradually in the distal end of the breather pipe A The cover back of the body 14 of the center line of the laryngeal mask and the embedded inflatable cover 1, forms the transparent cecum for accommodating and protecting video component, The transparent cecum is located at the middle back of the cover back of the body 14.
Video tube V internal diameter is 3.5mm, is equipped with a diameter of 2.8-3.2mm digital imaging probe or soft bronchoscope Just the video image of throat and glottis can be provided, video tube contributes to correct placement laryngeal mask to improve laryngeal mask success rate, also had Help diagnose the failure or abnormal conditions occurred during laryngeal mask use at any time.Meanwhile, laryngeal mask is also used as difficult airway Trachea cannula aid, install laryngeal mask after, recycle video component provide sharp picture, it can be ensured that trachea cannula Success rate.
Because video tube V by breather pipe A near-end extends through vent hood 1, video component passes through video outside the mouth of patient Pipe V is entered in the transparent cecum in inflatable cover 1, thus video component can it is whole not with tissue and bioresorbable, institute It may be reused with video component, save cost.If only transparent cecum is opened up in inflatable cover 1, without video tube V If, video component has to pass through patient oral cavity when inserting transparent cecum, still can mutually pollute, make with patient tissue and body fluid Video component can not reused, and cost is very high.
Video component can be at the time of any need in insertion video tube V, and usually then the most of the time is all not need Use, without always on video;Only it is being in an emergency or when trachea cannula, is just needing to use video Pipe.Video tube V cost is very low, is molded together when manufacturing laryngeal mask, hardly increases cost, cost it is high be video component and Display system, and in the present embodiment, these equipment may be reused, so significantly reducing cost.Video tube V is very Carefully, laryngeal mask is not influenceed to use, minimum video equipment diameter is in 2.8mm.
Embodiment 3
In reference picture 5, Fig. 6 and Fig. 7, the present embodiment, logical pharyngeal canal S, video tube V and logical stomach tube G are provided with;The video tube V is located at the left side of the breather pipe A, and the logical stomach tube G is located at the right side of the breather pipe A, and the proximal segment of the logical pharyngeal canal S is complete The breather pipe A is free on entirely, so as to form free end.
The logical pharyngeal canal S of sequestered is conducive to laryngeal mask configuration design symmetrical, and breather pipe A left side is a video tube V, right side For a logical stomach tube G, symmetrical attractive in appearance and convenient operation.
The technical principle of the present invention is described above in association with specific embodiment.These descriptions are intended merely to explain the present invention's Principle, and limiting the scope of the invention can not be construed in any way.Based on explanation herein, the technology of this area Personnel, which would not require any inventive effort, can associate other embodiments of the present invention, and these modes are fallen within Within protection scope of the present invention.

Claims (7)

1. more than tube chamber laryngeal mask, including inflatable cover (1) and breather pipe (A), it is characterised in that:Logical pharyngeal canal (S) is additionally provided with, it is described logical The distal ports of pharyngeal canal (S) are arranged on the back of the inflatable cover (1), and offer logical pharynx hole (12);
Video tube (V) is additionally provided with, video tube (V) whole process is close to breather pipe (A) side, against the logical pharyngeal canal (S) cover for, turning to the center line of the laryngeal mask and the embedded inflatable cover (1) gradually in the distal end of the breather pipe (A) carries on the back (14), The transparent cecum for accommodating and protecting video component is formed, the transparent cecum is located at the middle back of the cover back of the body (14);
The breather pipe (A) point proximal segment (A1) and distal ports (A2), the distal ports (A2) are by soft or semi-soft material system Make and there is plasticity, the proximal segment (A1) is made up of hard material and forms stiffener rings (A1);
Support arm (2) is additionally provided with, the near-end of the support arm (2) is provided with two elastic clips (21) for encircling shape, distally set It is equipped with the groove (23) of dovetail (22) formation;The elastic clip (21) is clipped in the stiffener rings (A1) of the breather pipe (A) near-end, institute State the junction that groove (23) is stuck in the breather pipe (A) and the inflatable cover (1).
2. laryngeal mask according to claim 1, it is characterised in that:Back portion of the logical pharyngeal canal (S) in the inflatable cover (1) For two logical pharyngeal canals (S1, S2), the cover of its (S1, S2) respectively positioned at the back both sides of the inflatable cover (1) carries on the back (14) and cover edge (15) in the shallow ridges between, and continue to extend up to the distal end of the inflatable cover (1).
3. laryngeal mask according to claim 2, it is characterised in that:Two logical pharyngeal canals (S1, S2) are trapped in the inflation Cover in (1), externally only expose the logical pharynx hole (12).
4. laryngeal mask according to claim 3, it is characterised in that:The proximal segment of the logical pharyngeal canal (S) is attached at the ventilation Manage (A), the proximal segment of the logical pharyngeal canal (S) is longer than the part of the breather pipe (A) in free state.
5. laryngeal mask according to claim 1, it is characterised in that:The proximal segment of the logical pharyngeal canal (S) is free on the ventilation Manage (A).
6. laryngeal mask according to claim 1, it is characterised in that:Logical stomach tube (G) is additionally provided with, the logical stomach tube (G) is close to Continue extension in the side of the breather pipe (A) and along on the right side of the back of the body of the inflatable cover (1), carried on the back in the cover of the inflatable cover (1) (14) distal end is increasingly turned to the center line of the laryngeal mask, and logical gastrostome (11) is formed in the tip of the distal end of the inflatable cover (1).
7. laryngeal mask according to claim 1, it is characterised in that:The proximal segment of the logical pharyngeal canal (S) is provided with threeway (S3), The logical pharyngeal canal (S) of first end connection of the threeway (S3), the second end is connected with negative-pressure liquid suction equipment, and the 3rd end is vacant.
CN201510754719.9A 2015-11-09 2015-11-09 Many tube chamber laryngeal masks Active CN105214188B (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
CN201510754719.9A CN105214188B (en) 2015-11-09 2015-11-09 Many tube chamber laryngeal masks
PCT/CN2016/102545 WO2017080347A1 (en) 2015-11-09 2016-10-19 Laryngeal mask with multiple pipe cavities
KR1020187020826A KR102204635B1 (en) 2015-11-09 2016-10-19 Laryngeal mask with multiple pipe cavities
KR1020187016432A KR102127585B1 (en) 2015-11-09 2016-10-19 Multiple tube cavity laryngeal mask

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201510754719.9A CN105214188B (en) 2015-11-09 2015-11-09 Many tube chamber laryngeal masks

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CN105214188A CN105214188A (en) 2016-01-06
CN105214188B true CN105214188B (en) 2017-07-28

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KR (2) KR102204635B1 (en)
CN (1) CN105214188B (en)
WO (1) WO2017080347A1 (en)

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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
CN105214188B (en) * 2015-11-09 2017-07-28 汤立 Many tube chamber laryngeal masks
CN205215883U (en) * 2015-11-09 2016-05-11 汤立 Multitube chamber laryngeal mask

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CN105214188A (en) 2016-01-06
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WO2017080347A1 (en) 2017-05-18
KR20180085072A (en) 2018-07-25

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