CN103223204A - Integrated double anti-aspiration drainage-type laryngeal mask with multiple cavities - Google Patents
Integrated double anti-aspiration drainage-type laryngeal mask with multiple cavities Download PDFInfo
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- CN103223204A CN103223204A CN2013101288488A CN201310128848A CN103223204A CN 103223204 A CN103223204 A CN 103223204A CN 2013101288488 A CN2013101288488 A CN 2013101288488A CN 201310128848 A CN201310128848 A CN 201310128848A CN 103223204 A CN103223204 A CN 103223204A
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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
- A61M16/0434—Cuffs
- A61M16/0445—Special cuff forms, e.g. undulated
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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
- A61M16/0402—Special features for tracheal tubes not otherwise provided for
- A61M16/0409—Special features for tracheal tubes not otherwise provided for with mean for closing the oesophagus
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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
- A61M16/0402—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
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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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- Emergency Medicine (AREA)
- Engineering & Computer Science (AREA)
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- 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)
- Respiratory Apparatuses And Protective Means (AREA)
Abstract
An integrated double anti-aspiration drainage-type laryngeal mask with multiple cavities provided by the invention relates to an intubation tube for an air tube, particularly to a laryngeal mask, and aims to reduce the risk that the refluxed material is absorbed into an air passage mistakenly and to intubate a tube easily. The integrated double anti-aspiration drainage-type laryngeal mask includes a main pipe (1), wherein the tail end of the main pipe is connected with a cover bag (2), a vent hole (21) is formed in the cover bag; a drainage hole (22) is formed in the tail end of the cover bag; a vent cavity (11) and a gullet drainage cavity (12) are arranged inside the main pipe; the vent cavity is communicated with the vent hole; the gullet drainage cavity is communicated with the drainage hole; a second drainage cavity (14) is further arranged inside the main pipe; a second drainage hole (141)is formed in the inner wall, adjacent to the vent hole (21) on the main pipe; the second drainage cavity is communicated with the second drainage hole; and the tail end of the main pipe is bent towards the side where the vent hole is formed.
Description
Technical field
The present invention relates to a kind of trachea intubate, particularly relate to a kind of laryngeal mask.
Background technology
Laryngeal mask is Brain in the nineteen eighty-three invention and at first advocates use a kind of and adopt the device that mode is ventilated outside the glottis.In order to improve the clinical application effect of laryngeal mask, have three types laryngeal mask at present: first kind is the standard type intubating laryngeal mask airway, it also is at present clinical intubating laryngeal mask airway the most commonly used, its basic structure has the cover capsule, be responsible for and be the gas tube of cover capsule inflation, generally be provided with venting cavity in the person in charge, the cover capsule is provided with passage, venting cavity is communicated with passage, gas tube is communicated with the cover capsule, drain the air that covers in the capsule by gas tube earlier in use, the cover capsule becomes flat, thereby treat that laryngeal mask is inserted throat heaves the cover capsule by the air of gas tube injection ormal weight in the cover capsule afterwards more again, the cover capsule after heaving can be fitted preferably with the throat tissue of human body and be formed sealing, and then venting cavity is communicated with person's windpipe, this laryngeal mask is mainly used in keeps the respiratory tract function, can not carry out drainage procedure; Second kind is the laryngeal mask that has drainage tube, because people's trachea and esophagus converge in throat, generally be positioned at the porch of esophagus at the end of inserting throat's back cover capsule, the laryngeal mask that has drainage tube generally is provided with conduction hole at the end of cover capsule, other is provided with drainage tube and is communicated to conduction hole, drainage tube can be communicated with the human body esophagus after inserting laryngeal mask like this, thereby can carry out drainage procedure when setting up airway; The third is the special-purpose intubating laryngeal mask airway of guidance tracheal intubation.About the structure of conduction type laryngeal mask, can be 201210299776.9 at the application number that proposes before referring to the applicant, application publication number is CN102784431A, Shen Qing Publication day to be the disclosed a kind of conduction type laryngeal mask of Chinese invention patent application on November 21st, 2012.
Carried out certain improvement although present laryngeal mask is compared the laryngeal mask of initial invention on function, also and imperfection still there is defective in present laryngeal mask functional design aspect some, specifically describe as follows:
1, laryngeal mask in use, patient tends to produce sputum or other secretions in various degree, this inserts sputum aspirator tube with regard to needs and it is attracted to derive.Present laryngeal mask does not generally have the structure of special suction expectorant, so or must in the use of laryngeal mask, additionally increase the operating procedure of inserting sputum aspirator tube, or suction expectorant is untimely or can not fully inhale expectorant.Slotting sputum aspirator tube is not only operated inconvenience, efficient is low, and may cause mucous membrane irritation or damage.And if attraction is untimely or insufficient, the autonomous respiration before serious meeting obstruction laryngeal mask normal ventilation or obstruction patient revive.In addition, inhale in the expectorant process,, in fact also need ventilate with decompression in suction expectorant position because medium is sucked away;
2, existing laryngeal mask, generally its gas tube is to separate with being responsible for, and laryngeal mask can be inconvenient in insertion process like this, and discrete gas tube also causes certain damage to mucosa easily simultaneously;
3, be similar to problem in aforementioned 2, if a laryngeal mask is assembled a plurality of functions, as inhale expectorant, decompression, drain, then need the pipeline of a plurality of different purposes to inhale expectorant, decompression, drain respectively, the pipeline of a plurality of different purposes is not if constitute integrative-structure, it not only hinders insertion process, and easily causes damage;
4, when the laryngeal mask intubate, the through port cannula cavity is to throat, and whole intubate path is the angle of an approximate right angle.Existing laryngeal mask, it is responsible for shape of cross section and is generally circular or irregularly shaped, is 201210299776.9 as the applicant at the application number that proposes before, application publication number is CN102784431A, Shen Qing Publication day is the disclosed a kind of conduction type laryngeal mask of the Chinese invention patent application on November 21st, 2012, it is responsible for cross section promptly is irregular, the wider width of the person in charge of this laryngeal mask on oral cavity folding direction, the patient less for the oral cavity opening width or tract is narrow, it is bigger that laryngeal mask circular or the irregularly shaped person in charge inserts resistance, be difficult for intubate, the words of intubate may cause mucosa injury if the doctor exerts oneself;
5, present general laryngeal mask, it is responsible for and the equal type linearly of the connecting portion of cover capsule and cover capsule.And when the laryngeal mask intubate, the through port cannula cavity is to throat, and whole intubate path is the angle of an approximate right angle.During intubate, by in the upper jaw and the lower jaw process, cover capsule end is easy to withstand maxillary, is difficult for intubate at the cover capsule, needs the doctor to hold up the cover capsule with auxiliary intubate by put in the oral cavity a little with hands usually, and the operating time will be grown comparatively speaking, and intubate is also inconvenient simultaneously; When cover capsule front end withstood maxillary, intubate caused mucosa injury easily if the doctor exerts oneself;
6, at present when using the conduction type laryngeal mask to flow thing attraction to patient is counter, need stomach tube of insertion or suction catheter to enter esophagus, if but the anti-thing that flows of patient is more, it is not prompt enough to insert stomach tube or suction catheter, also can cause reflux erroneous aspiration to cause dysventilation, operating time is longer, also can cause damage to the patient;
7, general laryngeal mask is mainly used in airway pressure at present, special endoscope path way is not set, therefore some needs the patient of endoscopic surgery just can not select to use laryngeal mask to undergo surgery, and the needs selection is ventilated by tracheal intubation or cutting opening inserts endoscope, increased patient's misery like this, damaged also bigger;
8, the present existing laryngeal mask of inserting tracheal intubation, passage position of its cover capsule does not generally have guide frame, and when changing tracheal intubation, tracheal intubation is difficult to be inserted into accurately in the air flue, inconvenient operation, and expend the intubation time of length.
Summary of the invention
The technical problem to be solved in the present invention provide a kind of can reduce anti-stream thing mistake suck the air flue risk, easily carry out the dual anti-error attraction flow pattern laryngeal mask of multi-cavity road integral type of intubate.
The dual anti-error attraction flow pattern laryngeal mask of multi-cavity of the present invention road integral type, comprise the person in charge, the end of being responsible for is connected with the cover capsule, the cover capsule is provided with passage, the end of cover capsule is provided with conduction hole, be provided with ventilation tract and esophagus drain tract in the person in charge, the ventilation tract is communicated with described passage, esophagus drain tract is communicated with described conduction hole, also be provided with the second drain tract in the wherein said person in charge, the described person in charge goes up and is being provided with second conduction hole near on the inwall of passage, and the second drain tract is communicated with second conduction hole, and the described person in charge's end is towards a lateral buckling at described passage place.
The dual anti-error attraction flow pattern laryngeal mask of multi-cavity of the present invention road integral type, the bending angle of wherein said person in charge's end is 91 °～179 °.
The dual anti-error attraction flow pattern laryngeal mask of multi-cavity of the present invention road integral type, the wherein said inwall wall of being responsible for end is provided with guide pad, guide pad is positioned at the exit position of described ventilation tract, the end face of an end of close described ventilation tract is the inclined-plane on the guide pad, the common bending guide surface that constitutes a described passage of sensing of the inwall wall of described inclined-plane and described ventilation tract.
The dual anti-error attraction flow pattern laryngeal mask of multi-cavity of the present invention road integral type, the wherein said person in charge's cross-sectional profiles be shaped as ellipse or Long Circle, described ellipse or oval long axis direction are vertical with the plane at described person in charge place.
Integral type dual anti-error attraction flow pattern laryngeal mask in multi-cavity of the present invention road also is provided with in the wherein said person in charge and charges and discharge the air cavity road, charges and discharge the air cavity road and is communicated with the blister cavities of described cover capsule.
The dual anti-error attraction flow pattern laryngeal mask of multi-cavity of the present invention road integral type, it also comprises and charges and discharge the gas joint, charge and discharge the gas joint and comprise placed in-line successively connection tube, pilot balloon and check valve, connecting line between described pilot balloon and the check valve is provided with vent valve, and described connection tube is communicated with the described air cavity road that charges and discharge.
The dual anti-error attraction flow pattern laryngeal mask of multi-cavity of the present invention road integral type, it also comprises the attraction junction block, attracts junction block to be communicated with the described second drain tract, attracts the tube wall of junction block to be provided with the suction adjustment hole, attracts also to be connected with block head on the junction block.
The dual anti-error attraction flow pattern laryngeal mask of multi-cavity of the present invention road integral type, wherein said attraction junction block and described connection tube are structure as a whole.
Integral type dual anti-error attraction flow pattern laryngeal mask in multi-cavity of the present invention road is connected with mouth of pipe bonnet by flexible connecting member on the wherein said attraction junction block.
Integral type dual anti-error attraction flow pattern laryngeal mask difference from prior art in multi-cavity of the present invention road also is provided with the second drain tract in being to be responsible in the dual anti-error attraction flow pattern laryngeal mask of multi-cavity of the present invention road integral type, be provided with second conduction hole near on the inwall of passage on the person in charge, the second drain tract is communicated with second conduction hole, can attract operation from the passage position by the second drain tract and second conduction hole like this, flow thing more for a long time when patient is counter, by second drainage lumens anti-stream thing is carried out drain, avoid reflux erroneous aspiration to cause the patient ventilating difficulty, reduced the risk that anti-stream thing mistake sucks air flue, realized the dual anti-error suction of anti-stream thing and stomach, the end of being responsible in the dual anti-error attraction flow pattern laryngeal mask of multi-cavity of the present invention in addition road integral type is towards a lateral buckling at passage place, before inserting laryngeal mask, after venting makes the change of cover capsule flat to the cover capsule, because the cover capsule is connected the person in charge's end, so become after flat also can be along with the bending segment bending of being responsible for, the probability that offsets of laryngeal mask front end and human body maxillary when the non-linear structure that has bending like this can reduce intubate, thereby can easier laryngeal mask be inserted, and reduce injury of tracheal intubation.
When the terminal bending angle of the person in charge is 91 °～179 ° in the dual anti-error attraction flow pattern laryngeal mask of multi-cavity of the present invention road integral type, meet the shape of organizing of throat, make things convenient for intubate; When the terminal inwall wall of the person in charge is provided with guide pad in the dual anti-error attraction flow pattern laryngeal mask of multi-cavity of the present invention road integral type, can make integral type dual anti-error attraction flow pattern laryngeal mask in multi-cavity of the present invention road possess the function of slotting tracheal intubation, when inserting tracheal intubation, guide pad can bend and the sensing passage by guidance tracheal intubation with the bending guide surface that the ventilation tract constitutes, and guidance tracheal intubation inserts in the trachea thereby be convenient to exactly; The cross-sectional profiles of being responsible in the dual anti-error attraction flow pattern laryngeal mask of multi-cavity of the present invention road integral type be shaped as ellipse or Long Circle, when oval or oval long axis direction is vertical with the plane of being responsible for the place, when intubate, the short-axis direction of being responsible for the cross section is on the folding direction in the oral cavity, because the width of being responsible on the folding direction in oral cavity is narrower, so the resistance in the time of can reducing intubate more is applicable to the patient that the oral cavity opening width is less or tract is narrow; Be provided with in being responsible in the dual anti-error attraction flow pattern laryngeal mask of multi-cavity of the present invention road integral type and charge and discharge the air cavity road, charge and discharge the air cavity road when being communicated with the blister cavities of cover capsule, can by with the charging and discharging the air cavity road and charge and discharge gas of person in charge's one to covering capsule, can reduce injury of tracheal intubation; Include in the dual anti-error attraction flow pattern laryngeal mask of multi-cavity of the present invention road integral type when attracting junction block, attract junction block to be used to connect attractor, thereby attract the suction adjustment hole on the junction block to can be used in the suction size that attractor is responded in the interdigital space of hand contact, thereby the convenient captivation of regulating, after the captivation of attractor is adjusted, by block head with the shutoff of suction adjustment hole; Pipeline is more concentrated when attracting junction block and connection tube to be structure as a whole in the dual anti-error attraction flow pattern laryngeal mask of multi-cavity of the present invention road integral type, is convenient to operation; When attracting on the junction block to be connected with mouth of pipe bonnet in the dual anti-error attraction flow pattern laryngeal mask of multi-cavity of the present invention road integral type, can will attract the mouth of pipe of junction block to seal by mouth of pipe bonnet when not needing to connect attractor by flexible connecting member.
Below in conjunction with accompanying drawing integral type dual anti-error attraction flow pattern laryngeal mask in multi-cavity of the present invention road is described further.
Description of drawings
Rear view when Fig. 1 hides tract for integral type dual anti-error first embodiment of attraction flow pattern laryngeal mask in multi-cavity of the present invention road does not show;
Rear view when Fig. 2 hides tract for integral type dual anti-error first embodiment of attraction flow pattern laryngeal mask in multi-cavity of the present invention road shows;
Fig. 3 is the front view of dual anti-error first embodiment of attraction flow pattern laryngeal mask of multi-cavity of the present invention road integral type;
Fig. 4 is the A-A cross section view among Fig. 1;
Fig. 5 is responsible for right semicanal section and the parts lateral plan afterwards that links to each other with the right semicanal section of the person in charge for integral type dual anti-error first embodiment of attraction flow pattern laryngeal mask in multi-cavity of the present invention road omits;
The cutaway view of Fig. 6 for being responsible among dual anti-error first embodiment of attraction flow pattern laryngeal mask of multi-cavity of the present invention road integral type.
The specific embodiment
Dual anti-error first embodiment of attraction flow pattern laryngeal mask of multi-cavity of the present invention road integral type as shown in Figure 1, present embodiment comprises is responsible for 1, the person in charge 1 end is connected with cover capsule 2, cover capsule 2 is provided with passage 21(referring to Fig. 3), as shown in Figure 2, be responsible for and be provided with ventilation tract 11 and esophagus drain tract 12 in 1, ventilation tract 11 is communicated with passage 21, the end of cover capsule 2 is provided with conduction hole 22, esophagus drain tract 12 is communicated with conduction hole 22, in the present embodiment, be responsible for also to be provided with in 1 and charge and discharge the air cavity road 13 and the second drain tract 14, charge and discharge air cavity road 13 and be communicated with, be communicated with second conduction hole 141 near being provided with second conduction hole, 141, the second drain tracts 14 on the inwall of passage 21 on the person in charge 1 with the blister cavities of cover capsule 2.The second drain tract 14 that charges and discharge an air cavity road 13 and a sucking action that charges and discharge the gas effect that plays of present embodiment just all has been integrative-structure with the person in charge 1 like this, so just the second drain tract 14 can be communicated with attractor and from the 141 position drains of second conduction hole, thus anti-error suction.In addition, as shown in Figure 5, the person in charge 1 end has illustrated bending segment 16 towards a lateral buckling at passage 21 places among Fig. 5.Its shape also can be as bending segment 16 bendings when 2 venting of cover capsule become flat like this.The bending angle of being responsible for 1 end in the present embodiment is 150 °, and promptly bending segment 16 is 150 ° with the angle of bending segment 16 the right pipeline sections, and what this angle can also be between 91 ° to 179 ° is arbitrarily angled.In the present embodiment, for solving problem to be solved by this invention, it is not necessary charging and discharging air cavity road 13, promptly can charge and discharge trachea by one as prior art and separately cover capsule 2 be charged and discharged gas, rather than must setting charge and discharge air cavity road 13 in the person in charge 1.
Further, as shown in Figure 3, the inwall wall of being responsible for 1 end is provided with guide pad 15, guide pad 15 is positioned at the exit position of ventilation tract 11, the end face of an end of close ventilation tract 11 is the inclined-plane on the guide pad 15, referring to Fig. 6, the common bending guide surface that constitutes a sensing passage 21 of the inwall wall of this inclined-plane and ventilation tract 11 can insert tracheal intubation so expediently in ventilation tract 11.
Further, as shown in Figure 4, be responsible for the ellipse that is shaped as of 1 cross-sectional profiles, referring to Fig. 5, this long axis of ellipse direction is vertical with the plane of being responsible for 1 place, that is to say that this long axis of ellipse direction is vertical with people's oral cavity folding direction with corresponding this long axis of ellipse direction in other words of lip line of people after cover capsule 2 is inserted human body throat.Like this, the width of the person in charge 1 on people's oral cavity folding direction is just narrow.In addition, be responsible for 1 cross-sectional profiles shape can also (Long Circle be not shown in the drawings for Long Circle, be similar to the shape of the playground runway of general school), shape after promptly a rectangle and two semicircles make up, the diameter of two semicircles overlaps with orthogonal two minor faces respectively, can reach the longer and narrower effect of cross section of being responsible for equally like this.
Further, referring to Fig. 1, Fig. 2 and Fig. 3, present embodiment also comprises attraction junction block 3, attracts junction block 3 to be communicated with the second drain tract 14, attracts the tube wall of junction block 3 to be provided with suction adjustment hole 31, attracts also to be connected with block head 32 on the junction block 3.As shown in Figure 1, present embodiment also comprises gas-charging connection 4, gas-charging connection 4 comprises placed in-line successively connection tube 41, pilot balloon 42 and check valve 43, connecting line between pilot balloon 42 and the check valve 43 is provided with vent valve, and (vent valve is not shown in the drawings, playing it is to provide a venting outlet when needs are exitted to the cover capsule, the outlet of should exitting when not needing to exit is blocked, it can be a vent valve in 201210299776.9 the patent application referring to application number), connection tube 41 with charge and discharge air cavity road 13 and be communicated with.Attract junction block 3 and connection tube 41 to be structure as a whole in the present embodiment.Attracting to be connected with mouth of pipe bonnet 33(cotton rope by cotton rope 34 on the junction block 3 can be substituted by flexible plastic or other flexible connecting member).
Present embodiment is similar to existing laryngeal mask in use, open vent valve earlier to 2 venting of cover capsule, and pinch flat cover capsule 2 with hands is auxiliary, vent valve is shut again, the hand-held then person in charge 1 will cover capsule 2 from patient's mouth insertion throat, be inflated in cover capsule 2 through charging and discharging air cavity road 13 by aerating device afterwards, and cover capsule 2 is heaved and organized applying with throat, cover the import of the passage 21 of capsule 2 over against person's windpipe this moment, and conduction hole 22 is over against the import of human body esophagus.Promptly can carry out general aeration and drainage procedure with that.Present embodiment can needs during from 141 drains of second conduction hole (perhaps prior) mouth of pipe bonnet 33 is opened, the attraction head of attractor is linked to each other with the rear end mouth of pipe that attracts junction block 3, start attractor then, with finger move closer in suction adjustment hole 31 positions or shutoff suction adjustment hole 31 with the size of sensation captivation, thereby adjust the captivation of attractor, adjust suitable back by block head 32 with 31 shutoff of suction adjustment hole, and then carry out anti-error attraction flow operation by the second drain tract 14, second conduction hole 141 from passage 21 positions by attractor.
In the present embodiment, it is not necessary attracting junction block 3 and gas-charging connection 4, and they mainly rise and connect and assosting effect, irrelevant with the technical problem to be solved in the present invention.
Above-described embodiment is described preferred implementation of the present invention; be not that scope of the present invention is limited; design under the prerequisite of spirit not breaking away from the present invention; various distortion and improvement that those of ordinary skills make technical scheme of the present invention all should fall in the definite protection domain of claims of the present invention.
Claims (9)
1. dual anti-error attraction flow pattern laryngeal mask of multi-cavity road integral type, comprise the person in charge (1), the end of being responsible for (1) is connected with cover capsule (2), cover capsule (2) is provided with passage (21), the end of cover capsule (2) is provided with conduction hole (22), be responsible for and be provided with ventilation tract (11) and esophagus drain tract (12) in (1), ventilation tract (11) is communicated with described passage (21), esophagus drain tract (12) is communicated with described conduction hole (22), it is characterized in that: also be provided with the second drain tract (14) in the described person in charge (1), the described person in charge (1) goes up and is being provided with second conduction hole (141) near on the inwall of passage (21), the second drain tract (14) is communicated with second conduction hole (141), and the described person in charge's (1) end is towards a lateral buckling at described passage (21) place.
2. integral type dual anti-error attraction flow pattern laryngeal mask in multi-cavity according to claim 1 road is characterized in that: the terminal bending angle of the described person in charge (1) is 91 °～179 °.
3. the dual anti-error attraction flow pattern laryngeal mask of multi-cavity according to claim 2 road integral type, it is characterized in that: the terminal inwall wall of the described person in charge (1) is provided with guide pad (15), guide pad (15) is positioned at the exit position of described ventilation tract (11), the end face that guide pad (15) is gone up near an end of described ventilation tract (11) is the inclined-plane, the common bending guide surface that constitutes a described passage of sensing (21) of the inwall wall of described inclined-plane and described ventilation tract (11).
4. the dual anti-error attraction flow pattern laryngeal mask of multi-cavity according to claim 3 road integral type, it is characterized in that: the described person in charge's (1) cross-sectional profiles be shaped as ellipse or Long Circle, described ellipse or oval long axis direction are vertical with the plane at the described person in charge (1) place.
5. integral type dual anti-error attraction flow pattern laryngeal mask in multi-cavity according to claim 4 road is characterized in that: also be provided with in the described person in charge (1) and charge and discharge air cavity road (13), charge and discharge air cavity road (13) and be communicated with the blister cavities of described cover capsule (2).
6. the dual anti-error attraction flow pattern laryngeal mask of multi-cavity according to claim 5 road integral type, it is characterized in that: also comprise charging and discharging gas joint (4), charge and discharge gas joint (4) and comprise placed in-line successively connection tube (41), pilot balloon (42) and check valve (43), connecting line between described pilot balloon (42) and the check valve (43) is provided with vent valve, and described connection tube (41) is communicated with the described air cavity road (13) that charges and discharge.
7. the dual anti-error attraction flow pattern laryngeal mask of multi-cavity according to claim 6 road integral type, it is characterized in that: also comprise attracting junction block (3), attract junction block (3) to be communicated with the described second drain tract (14), attract the tube wall of junction block (3) to be provided with suction adjustment hole (31), attract also to be connected with block head (32) on the junction block (3).
8. integral type dual anti-error attraction flow pattern laryngeal mask in multi-cavity according to claim 7 road is characterized in that: described attraction junction block (3) is structure as a whole with described connection tube (41).
9. integral type dual anti-error attraction flow pattern laryngeal mask in multi-cavity according to claim 8 road is characterized in that: described attraction junction block (3) is gone up and is connected with mouth of pipe bonnet (33) by flexible connecting member.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013101288488A CN103223204A (en) | 2013-04-12 | 2013-04-12 | Integrated double anti-aspiration drainage-type laryngeal mask with multiple cavities |
| PCT/CN2013/075249 WO2014166135A1 (en) | 2013-04-12 | 2013-05-07 | Multi-lumen single-body double mis-inhalation-proof drainage-type laryngeal mask |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013101288488A CN103223204A (en) | 2013-04-12 | 2013-04-12 | Integrated double anti-aspiration drainage-type laryngeal mask with multiple cavities |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103223204A true CN103223204A (en) | 2013-07-31 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013101288488A Pending CN103223204A (en) | 2013-04-12 | 2013-04-12 | Integrated double anti-aspiration drainage-type laryngeal mask with multiple cavities |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN103223204A (en) |
| WO (1) | WO2014166135A1 (en) |
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| CN104667396A (en) * | 2013-11-29 | 2015-06-03 | 广州耀远实业有限公司 | Novel safety three channel laryngeal mask |
| WO2015128207A1 (en) * | 2014-02-25 | 2015-09-03 | Medcom Flow S.A. | Laryngeal mask |
| CN105381529A (en) * | 2015-11-04 | 2016-03-09 | 安吉简成医疗科技有限公司 | Laryngeal mask and mounting process of spring of laryngeal mask |
| CN108434568A (en) * | 2018-05-24 | 2018-08-24 | 无锡圣诺亚科技有限公司 | Stomach tube slot laryngeal mask |
| CN110547754A (en) * | 2019-09-23 | 2019-12-10 | 杭州富善医疗器械有限公司 | Laryngeal mask convenient for bronchofiberscope insertion |
| US20210220592A1 (en) * | 2018-08-01 | 2021-07-22 | Blue Bean Medical Limited | An Airway Device |
| CN113413124A (en) * | 2021-06-28 | 2021-09-21 | 肖旭迪 | Oral auxiliary supporting device capable of being snooped at multiple angles for oral medical examination |
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| CN108434568A (en) * | 2018-05-24 | 2018-08-24 | 无锡圣诺亚科技有限公司 | Stomach tube slot laryngeal mask |
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| CN113413124A (en) * | 2021-06-28 | 2021-09-21 | 肖旭迪 | Oral auxiliary supporting device capable of being snooped at multiple angles for oral medical examination |
| CN113413124B (en) * | 2021-06-28 | 2023-09-05 | 陕西国联测评科技有限公司 | Oral cavity medical examination is with oral cavity auxiliary stay device that can multi-angle snoop |
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| WO2014166135A1 (en) | 2014-10-16 |
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