CN105214188A - Multitube chamber laryngeal mask - Google Patents
Multitube chamber laryngeal mask Download PDFInfo
- Publication number
- CN105214188A CN105214188A CN201510754719.9A CN201510754719A CN105214188A CN 105214188 A CN105214188 A CN 105214188A CN 201510754719 A CN201510754719 A CN 201510754719A CN 105214188 A CN105214188 A CN 105214188A
- Authority
- CN
- China
- Prior art keywords
- logical
- laryngeal mask
- breather
- cover
- inflatable cover
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- 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
- A61M16/0486—Multi-lumen tracheal tubes
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- 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
-
- 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
- A61M16/0402—Special features for tracheal tubes not otherwise provided for
- A61M16/0415—Special features for tracheal tubes not otherwise provided for with access means to the stomach
-
- 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
- A61M16/0434—Cuffs
-
- 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
Abstract
Multitube chamber laryngeal mask, except comprising breather that common laryngeal mask possesses and being attached thereto except the inflatable cover that connects, is also provided with adjacent with described breather but independently and lead to the logical pharyngeal canal at described inflatable cover back; Be gathered in the oropharynx juice of inflatable cover periphery and bottleneck throat, blood or stomach to backflow liquid, can logical pharyngeal canal sucked via the multiple logical pharynx hole of logical pharyngeal canal far-end and be sucked away discharge, avoid producing and inhale or laryngospasm by mistake.
Description
Technical field
The present invention relates to laryngeal mask technical field, particularly relate to multitube chamber laryngeal mask.
Background technology
Laryngeal mask, since the eighties is come out, has comprised airway management work during surgery anesthesia under being widely used in various different clinical setting, with face shield, tracheal intubation be called three large respiratory tract instruments.If place suitably, the inflatable cover meeting cover cap of laryngeal mask is on larynx and by larynx sealing, UE opening is just in time dropped on its top, and the tube chamber of its breather faces glottis.
Laryngeal mask has lot of advantages, both can as breather, also can as the guiding tube of tracheal intubation, can also as the remediation tools of difficult airway patient airway tube pulling.But, in operation process, oral cavity juice, stomach backflow liquid or air flue hemorrhage may gathering and be trapped in oropharynx and bottleneck throat, be difficult to be found by clinical staff, although these body fluid are positioned at patient oral cavity and isolate from the respiratory tract of patient, because the inflatable cover of laryngeal mask and the sealing of bottleneck throat are not 100%, when slightly neglecting, these body fluid will enter respiratory tract, thus cause fatefulue by mistake suction or laryngospasm.
Although laryngeal mask and other glottis epithelium healing can guidance tracheal intubations, disposable glottis epithelium healing none glottis can be provided visual.Therefore the tracheal intubation through laryngeal mask or other glottis epithelium healing is actually blindmate, or will by means of soft bronchoscope.Front a kind of method success rate low and have larynx week damage danger, when especially needing repetitive operation; A kind of rear method all needs extra personnel to help usually.Time in daily use, laryngeal mask is placed afterwards smoothly but situation about cannot ventilate occurs often, cannot reach the probability of effective ventilation up to 30% after in fact attempting first.Even in the use procedure after correct insertion, laryngeal mask and other glottis epithelium healing also may break down, such as abnormal sound, gas leakage, airway resistance increase, ventilation reduction etc.Visual owing to not possessing, so there is no reliable method judge or differentiate the reason of fault.This situation especially makes us anxious when the case of difficult airway or difficult position.
In addition, but preformed laryngeal mask is easily placed and is not possessed plasticity, and therefore inconvenience is used for nasal cavity, nasal sinuses or head neck operation.Simultaneously for the patient of abnormal airway or micromandible, this laryngeal mask often can not form good throat packing condition.In contrast, flexible laryngeal mask is not easy again to place, and does not also possess stomach emission mechanism.
Summary of the invention
The object of the invention is to propose a kind ofly can be gathered in the body fluid sucking-off near laryngeal mask at any time thus to avoid revealing and the mistake that causes is inhaled or laryngismal multitube chamber laryngeal mask.
For reaching this object, the present invention by the following technical solutions:
Multitube chamber laryngeal mask, comprises inflatable cover and breather, is also provided with logical pharyngeal canal, and the distal ports of described logical pharyngeal canal is arranged on the back of described inflatable cover, and offers logical pharynx hole.
Described logical pharyngeal canal leads to pharyngeal canal at the back bifurcated of described inflatable cover, and it lays respectively in the shallow ridges between the cover back of the body of the both sides, back of described inflatable cover and cover edge, and continues to extend until the far-end of described inflatable cover.
Described two logical pharyngeal canals are absorbed in described inflatable cover, externally only expose described logical pharynx hole.
The proximal segment of described logical pharyngeal canal is attached at described breather; The part that the proximal segment of described logical pharyngeal canal is longer than described breather is free state.
The proximal segment of described logical pharyngeal canal is free on described breather.
Preferably; also be provided with video tube; described video tube whole process is close to the side of breather; near described logical pharyngeal canal; far-end in described breather gradually turns to the center line of described laryngeal mask and embeds the cover back of the body of described inflatable cover; form the transparent cecum for holding and protect video component, described transparent cecum is arranged in the back of the described cover back of the body.
Preferably, also be provided with logical stomach tube, described logical stomach tube is close to the side of described breather and is continued to extend on the right side of the back of the body of described inflatable cover, and the far-end carried on the back in the cover of described inflatable cover turns to the center line of described laryngeal mask gradually, forms logical gastrostome in the tip of the far-end of described inflatable cover.
Described breather divides proximal segment and distal ports, and described distal ports is made by soft or semi-soft material and had certain plasticity, and described proximal segment is made up of hard material and forms stiffener rings.
Preferably, be also provided with support arm, the near-end of described support arm is provided with two elastic clips encircling shape, and far-end is provided with the groove that dovetail is formed; Described elastic clip is clipped in the stiffener rings of described breather near-end, and described groove is stuck in the junction of described breather and described inflatable cover.
The proximal segment of described logical pharyngeal canal is provided with threeway, and the first end of this threeway connects logical pharyngeal canal, and the second end is connected with negative-pressure liquid suction equipment, and the 3rd end is vacant.
Adopt multitube chamber of the present invention laryngeal mask, be gathered in the oral cavity juice of inflatable cover periphery and bottleneck throat, blood or stomach and backflow liquid, be sucked away via logical pharynx hole and logical pharyngeal canal, avoid producing when occurring to leak inhaling or laryngospasm by mistake.
Accompanying drawing explanation
Fig. 1 is the right flank structural representation of embodiments of the invention 1, and logical pharyngeal canal is attaching type, arranges logical stomach tube.
Fig. 2 is the approximate Facad structure schematic diagram 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 logical pharyngeal canal is attaching type, arranges logical stomach tube and video tube.
Fig. 5 is the approximate structure schematic diagram of embodiments of the invention 3, and logical pharyngeal canal is sequestered, arranges logical stomach tube and video tube.
Fig. 6 is the structural representation in another direction, the approximate back side of embodiments of the invention 3.
Fig. 7 is the structural representation in the approximate front 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 A, proximal segment (stiffener rings) A1, distal ports A2, gas tube B, logical stomach tube G, logical pharyngeal canal S, S1, S2, threeway S3, video tube V, inflatable cover 1, logical gastrostome 11, logical pharynx hole 12, the cover back of the body 14, cover along 15, support arm 2, elastic clip 21, dovetail 22, groove 23.
Detailed description of the invention
Technical scheme of the present invention is further illustrated by detailed description of the invention below in conjunction with accompanying drawing.
With reference to Fig. 1, the direction close to inflatable cover 1 is far-end, and the direction close to breather A is near-end, and this is relative to operator, inflatable cover 1 away from operator, breather A Proximity operation person.
Front, the back side, left side and right side are all with opinion during laryngeal mask insertion oral cavity, and the left side of people is on the left of laryngeal mask, and the right side of people is 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 as the criterion with Fig. 1, namely be vertical paper outwards for right side, vertical paper is inwardly left side; Breather A is bending, and bending outside is back, and bending inside is front or above.
embodiment 1
With reference to Fig. 1, Fig. 2 and Fig. 3, the multitube chamber laryngeal mask of the present embodiment, except comprising the inflatable cover 1 and breather A that common laryngeal mask possesses, be also provided with logical pharyngeal canal S, the distal ports of described logical pharyngeal canal S is arranged on the back of described inflatable cover 1, and offers logical pharynx hole 12.
Described logical pharyngeal canal S leads to pharyngeal canal S1 and S2 at the back bifurcated of described inflatable cover 1, lay respectively at the cover back of the body 14 of the both sides, back of described inflatable cover 1 and cover along in the shallow ridges between 15, and continue to extend until the far-end of described inflatable cover 1, produce enough attraction areas at laryngeal mask periphery bottleneck throat lowest part.The shape of inflatable cover 1 is through well-designed, meets the architectural feature of Regular Human throat completely, can not change easily.Therefore, logical pharyngeal canal S1 and S2 is arranged in shallow ridges, the surface of inflatable cover 1 can not be protruded from, do not change the external shape of inflatable cover 1 on the whole completely (from back, several logical pharynx hole 12 can only be seen), make it to have adaptability widely, avoid the insertion affecting inflatable cover 1 because of the existence of logical pharyngeal canal S.
It is a logical pharyngeal canal S that logical pharyngeal canal S1 and S2 of the described left and right sides gathers in the near-end of inflatable cover 1.Logical pharyngeal canal S proximal segment is attached at the left side of described breather A, and the near-end that logical pharyngeal canal S length exceedes the part of described breather A arranges free threeway S3, and the first end of this threeway S3 connects logical pharyngeal canal S, and the second end is connected with negative-pressure liquid suction equipment, and the 3rd end is vacant.Negative-pressure liquid suction equipment continuous service, when blocking the 3rd end of threeway S3 with hands, namely starts imbibition; When unclamping the 3rd end of threeway S3 with hands, then imbibition equipment can only draw ambient air, can not suction port intracavity liquid, thus can control the operation of inhaling pharyngeal canal S very neatly.Under regular situation, first end and the second end are located on the same line, and the 3rd end is perpendicular to first end and the second end.
Be gathered in the oral cavity juice of inflatable cover 1 periphery and bottleneck throat, blood or stomach to backflow liquid, be sucked away via logical pharynx hole 12 and logical pharyngeal canal S, avoid producing when occurring to leak inhaling or laryngospasm by mistake.Logical pharyngeal canal S internal diameter is 3 ~ 3.5mm, and it does not need too thick diameter, and timing or variable interval start imbibition equipment and namely the liquid of gathering can be siphoned away.
The proximal segment of logical pharyngeal canal S is whole is attached at described breather A, make whole laryngeal mask various pipelines concentrate in together, be conducive to tube chamber management.
The present embodiment is also provided with logical stomach tube G, described logical stomach tube G is close to the right side of described breather A and continues to extend on the right side of the back of the body of described inflatable cover 1, far-end in the cover back of the body 14 of described inflatable cover 1 turns to the center line of described laryngeal mask gradually, forms logical gastrostome 11 in the tip of the far-end of described inflatable cover 1.Install the logical gastrostome 11 positive alignment esophagus upper end of correct laryngeal mask, the diameter of logical stomach tube G is 4.5mm.Logical stomach tube G can discharge the gas leakage of laryngeal mask at any time, the suction catheter of outer perimeter 12F to 14F or stomach tube can be imported gastric to discharge gastric gas and residual gastric juice in time via logical stomach tube G simultaneously.For laryngeal mask, it is 12mm-14mm that 12F-14F refers to outer perimeter.
Described breather A divides proximal segment A1 and distal ports A2, and described distal ports A2 is made by soft or semi-soft material and had certain plasticity, and described proximal segment A1 is made up of hard material and forms stiffener rings A1.
Plastic breather A, can after laryngeal mask inserts oral cavity, and adjustment breather A is exposed at the position outside mouth flexibly, thus when avoiding oral cavity or operation on face, the breather A of hard hinders the problem of doctor's operation.
With reference to Fig. 1 and Fig. 8, the present embodiment is also provided with support arm 2, and the near-end of described support arm 2 is provided with two elastic clips 21 encircling shape, and far-end is provided with the groove 23 that dovetail 22 is formed; Described elastic clip 21 is clipped in the stiffener rings A1 of described breather A near-end, and described groove 23 is stuck in the junction of described breather A and described inflatable cover 1.
When inserting laryngeal mask, breather A and support arm 2 become handle when inserting laryngeal mask jointly, be that the inserted mode of the preformed laryngeal mask of hard is installed according to breather A, hand-held supports arm 2 just can adjust position and the direction of laryngeal mask, thus inserts laryngeal mask easily.After laryngeal mask is in place, elastic clip 21 is positioned at near-end, is positioned near mouth, and groove 23 is positioned at far-end, is positioned at mouth, with hands touching less than.When needing to disassemble support arm 2, only need elastic clip 21 to take off, groove 23 just comes off naturally, and operation is very easy.Remove support arm 2 after installing firmly, the position of the breather A of adjustment shaping or flexible laryngeal mask, is fixed on the position not affecting operation, such as, is fixed on the face of patient with adhesive tape, just can carry out mouth and nose chamber or operation on face by it.
Described breather A is the semicircle air flue tube chamber that maximum inner diameter reaches 14 × 15mm, and the endotracheal tube of #8.0 can be guided to pass through.
embodiment 2
With reference to Fig. 4; on the basis of embodiment 1; logical stomach tube G is not only set; the present embodiment is also provided with video tube V; described video tube V whole process is close to the side of breather A, and near described logical pharyngeal canal S, the far-end in described breather A gradually turns to the center line of described laryngeal mask and embeds the cover back of the body 14 of described inflatable cover 1; form the transparent cecum for holding and protect video component, described transparent cecum is arranged in the back of the described cover back of the body 14.
The internal diameter of video tube V is 3.5mm, the digital imaging probe that outfit diameter is 2.8-3.2mm or soft bronchoscope just can provide the video image of throat and glottis, video tube contributes to correct placing larynx cover to improve laryngeal mask success rate, also contributes to diagnosing at any time the fault or abnormal conditions that occur in laryngeal mask use procedure.Meanwhile, laryngeal mask also can be used as the aid of the tracheal intubation of difficult airway, and after installing laryngeal mask, recycling video component provides sharp picture, can guarantee the success rate of tracheal intubation.
Because video tube V extends through vent hood 1 by the near-end of breather A, video component enters in the transparent cecum in inflatable cover 1 from the mouth of patient by video tube V, therefore video component can whole process not with tissue and bioresorbable, so video component can be reused, save cost.Offer transparent cecum iff in inflatable cover 1, and do not have video tube V, have to pass through patient oral cavity when video component inserts transparent cecum, still mutually can pollute with patient tissue and body fluid, make cannot reusing of video component, cost is very high.
Video component can insert in video tube V in the moment needed arbitrarily, and then the most of the time is all do not need to use at ordinary times, need not a direct-open video; Only to be in an emergency or when tracheal intubation, just need to use video tube.The cost of video tube V is very low, and the molding together when manufacturing laryngeal mask, increase cost hardly, what cost was high is video component and display system, and in the present embodiment, these equipment can be reused, so significantly reduce cost.Video tube V is very thin, and do not affect laryngeal mask and use, minimum video equipment diameter is at 2.8mm.
embodiment 3
With reference to Fig. 5, Fig. 6 and Fig. 7, in the present embodiment, be provided with logical pharyngeal canal S, video tube V and logical stomach tube G; Described video tube V is positioned at the left side of described breather A, and described logical stomach tube G is positioned at the right side of described breather A, and the proximal segment of described logical pharyngeal canal S is free on described breather A completely, thus forms free end.
The logical pharyngeal canal S of sequestered is conducive to laryngeal mask configuration design symmetry, and the left side of breather A is a video tube V, and right side is a logical stomach tube G, symmetrical attractive in appearance and handled easily.
Below know-why of the present invention is described in conjunction with specific embodiments.These describe just in order to explain principle of the present invention, and can not be interpreted as limiting the scope of the invention by any way.Based on explanation herein, those skilled in the art does not need to pay performing creative labour can associate other detailed description of the invention of the present invention, and these modes all will fall within protection scope of the present invention.
Claims (10)
1. multitube chamber laryngeal mask, comprises inflatable cover (1) and breather (A), it is characterized in that: be also provided with logical pharyngeal canal (S), and the distal ports of described logical pharyngeal canal (S) is arranged on the back of described inflatable cover (1), and offers logical pharynx hole (12).
2. laryngeal mask according to claim 1, it is characterized in that: described logical pharyngeal canal (S) leads to pharyngeal canal (S1, S2) at the back bifurcated of described inflatable cover (1), its (S1, S2) lays respectively in the shallow ridges between the cover back of the body (14) of the both sides, back of described inflatable cover (1) and cover edge (15), and continues to extend until the far-end of described inflatable cover (1).
3. laryngeal mask according to claim 2, is characterized in that: described two logical pharyngeal canals (S1, S2) are absorbed in described inflatable cover (1), externally only exposes described logical pharynx hole (12).
4. laryngeal mask according to claim 3, is characterized in that: the proximal segment of described logical pharyngeal canal (S) is attached at described breather (A), and the part that the proximal segment of described logical pharyngeal canal (S) is longer than described breather (A) is free state.
5. laryngeal mask according to claim 1, is characterized in that: the proximal segment of described logical pharyngeal canal (S) is free on described breather (A).
6. laryngeal mask according to claim 1; it is characterized in that: be also provided with video tube (V); described video tube (V) whole process is close to the side of breather (A); near described logical pharyngeal canal (S); far-end in described breather (A) gradually turns to the center line of described laryngeal mask and embeds the cover back of the body (14) of described inflatable cover (1); form the transparent cecum for holding and protect video component, described transparent cecum is arranged in the back of the described cover back of the body (14).
7. laryngeal mask according to claim 1, it is characterized in that: be also provided with logical stomach tube (G), described logical stomach tube (G) is close to the side of described breather (A) and is continued to extend on the right side of the back of the body of described inflatable cover (1), far-end in the cover back of the body (14) of described inflatable cover (1) turns to the center line of described laryngeal mask gradually, forms logical gastrostome (11) in the tip of the far-end of described inflatable cover (1).
8. laryngeal mask according to claim 1, it is characterized in that: described breather (A) point proximal segment (A1) and distal ports (A2), described distal ports (A2) is made by soft or semi-soft material and is had plasticity, and described proximal segment (A1) is made up of hard material and forms stiffener rings (A1).
9. laryngeal mask according to claim 8, is characterized in that: be also provided with support arm (2), and the near-end of described support arm (2) is provided with two elastic clips (21) of encircling shape, and far-end is provided with the groove (23) that dovetail (22) is formed; Described elastic clip (21) is clipped in the stiffener rings (A1) of described breather (A) near-end, and described groove (23) is stuck in the junction of described breather (A) and described inflatable cover (1).
10. laryngeal mask according to claim 1, is characterized in that: the proximal segment of described logical pharyngeal canal (S) is provided with threeway (S3), and the first end of this threeway (S3) connects logical pharyngeal canal (S), and the second end is connected with negative-pressure liquid suction equipment, and the 3rd end is vacant.
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 |
| KR1020187016432A KR102127585B1 (en) | 2015-11-09 | 2016-10-19 | Multiple tube cavity laryngeal mask |
| KR1020187020826A KR102204635B1 (en) | 2015-11-09 | 2016-10-19 | Laryngeal mask with multiple pipe cavities |
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 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105214188A true CN105214188A (en) | 2016-01-06 |
| CN105214188B CN105214188B (en) | 2017-07-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510754719.9A Active CN105214188B (en) | 2015-11-09 | 2015-11-09 | Many tube chamber laryngeal masks |
Country Status (3)
| Country | Link |
|---|---|
| KR (2) | KR102127585B1 (en) |
| CN (1) | CN105214188B (en) |
| WO (1) | WO2017080347A1 (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2017080347A1 (en) * | 2015-11-09 | 2017-05-18 | 汤立 | Laryngeal mask with multiple pipe cavities |
| CN107737394A (en) * | 2017-11-15 | 2018-02-27 | 方峥评 | A kind of Puffer-type rinses laryngeal mask |
| CN110292690A (en) * | 2019-02-02 | 2019-10-01 | 长沙迈吉尔医疗科技有限公司 | Connector, laryngeal mask main body and the laryngeal mask of laryngeal mask |
| US10441735B1 (en) | 2018-05-11 | 2019-10-15 | Gary Zhou | Combined laryngeal-bronchial lung separation system |
| CN110464955A (en) * | 2019-02-20 | 2019-11-19 | 周星光 | Multichannel Bendable laryngeal mask class airway device, system and method |
| CN112972852A (en) * | 2021-02-05 | 2021-06-18 | 四川大学华西医院 | Subglottic suction device for tracheal catheter |
| KR20210001757U (en) * | 2019-05-15 | 2021-07-29 | 허난 투오렌 메디컬 디바이스 컴퍼니 리미티드 | Novel laryngeal mask airway device |
| US11426548B2 (en) | 2018-05-11 | 2022-08-30 | Gary Zhou | Combined laryngeal-bronchial lung separation system |
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| EP4304688A1 (en) * | 2021-03-12 | 2024-01-17 | Medeco Pty Ltd | Laryngeal mask airway |
| KR102559960B1 (en) * | 2022-12-26 | 2023-07-25 | 주형준 | Laryngeal mask for tracheal intubation |
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2015
- 2015-11-09 CN CN201510754719.9A patent/CN105214188B/en active Active
-
2016
- 2016-10-19 KR KR1020187016432A patent/KR102127585B1/en active IP Right Grant
- 2016-10-19 WO PCT/CN2016/102545 patent/WO2017080347A1/en active Application Filing
- 2016-10-19 KR KR1020187020826A patent/KR102204635B1/en active IP Right Grant
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017080347A1 (en) * | 2015-11-09 | 2017-05-18 | 汤立 | Laryngeal mask with multiple pipe cavities |
| CN107737394A (en) * | 2017-11-15 | 2018-02-27 | 方峥评 | A kind of Puffer-type rinses laryngeal mask |
| US10441735B1 (en) | 2018-05-11 | 2019-10-15 | Gary Zhou | Combined laryngeal-bronchial lung separation system |
| US11426548B2 (en) | 2018-05-11 | 2022-08-30 | Gary Zhou | Combined laryngeal-bronchial lung separation system |
| CN110292690A (en) * | 2019-02-02 | 2019-10-01 | 长沙迈吉尔医疗科技有限公司 | Connector, laryngeal mask main body and the laryngeal mask of laryngeal mask |
| CN110464955A (en) * | 2019-02-20 | 2019-11-19 | 周星光 | Multichannel Bendable laryngeal mask class airway device, system and method |
| US11583647B2 (en) | 2019-02-20 | 2023-02-21 | Gary Zhou | Multi-channel flexible laryngeal mask airway device |
| KR20210001757U (en) * | 2019-05-15 | 2021-07-29 | 허난 투오렌 메디컬 디바이스 컴퍼니 리미티드 | Novel laryngeal mask airway device |
| KR200497394Y1 (en) | 2019-05-15 | 2023-10-27 | 허난 투오렌 메디컬 디바이스 컴퍼니 리미티드 | Novel Laryngeal Mask Airway Device |
| CN112972852A (en) * | 2021-02-05 | 2021-06-18 | 四川大学华西医院 | Subglottic suction device for tracheal catheter |
| CN112972852B (en) * | 2021-02-05 | 2023-06-23 | 四川大学华西医院 | Subglottic suction device of tracheal catheter |
Also Published As
| Publication number | Publication date |
|---|---|
| KR20180081131A (en) | 2018-07-13 |
| KR20180085072A (en) | 2018-07-25 |
| WO2017080347A1 (en) | 2017-05-18 |
| KR102127585B1 (en) | 2020-06-26 |
| KR102204635B1 (en) | 2021-01-18 |
| CN105214188B (en) | 2017-07-28 |
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