CN1502381A - Esophageal obstruction type ventilation pipe of larynx cover - Google Patents
Esophageal obstruction type ventilation pipe of larynx cover Download PDFInfo
- Publication number
- CN1502381A CN1502381A CNA021528926A CN02152892A CN1502381A CN 1502381 A CN1502381 A CN 1502381A CN A021528926 A CNA021528926 A CN A021528926A CN 02152892 A CN02152892 A CN 02152892A CN 1502381 A CN1502381 A CN 1502381A
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- airway
- tube
- vent hood
- drainage tube
- esophageal obstruction
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- 238000009423 ventilation Methods 0.000 title claims abstract description 12
- 206010030178 Oesophageal obstruction Diseases 0.000 title claims description 48
- 210000000867 larynx Anatomy 0.000 title abstract 2
- 210000005239 tubule Anatomy 0.000 claims description 22
- 238000002372 labelling Methods 0.000 claims description 16
- 239000002775 capsule Substances 0.000 claims description 12
- 239000000853 adhesive Substances 0.000 claims description 9
- 230000001070 adhesive effect Effects 0.000 claims description 9
- 229920001971 elastomer Polymers 0.000 claims description 9
- 238000007789 sealing Methods 0.000 claims description 9
- 239000002184 metal Substances 0.000 claims description 6
- 239000004033 plastic Substances 0.000 claims description 6
- 229920003023 plastic Polymers 0.000 claims description 6
- 241001185540 Charissa ambiguata Species 0.000 claims description 3
- 229920001875 Ebonite Polymers 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 229920002379 silicone rubber Polymers 0.000 claims description 3
- 239000004945 silicone rubber Substances 0.000 claims description 3
- 230000003019 stabilising effect Effects 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 3
- 239000003550 marker Substances 0.000 abstract 1
- 230000000087 stabilizing effect Effects 0.000 abstract 1
- 210000003238 esophagus Anatomy 0.000 description 12
- 230000002496 gastric effect Effects 0.000 description 11
- 210000002345 respiratory system Anatomy 0.000 description 8
- 210000002784 stomach Anatomy 0.000 description 7
- 238000002627 tracheal intubation Methods 0.000 description 7
- 210000003800 pharynx Anatomy 0.000 description 5
- 238000013461 design Methods 0.000 description 4
- 210000003685 cricoid cartilage Anatomy 0.000 description 3
- 210000002409 epiglottis Anatomy 0.000 description 3
- 230000001815 facial effect Effects 0.000 description 3
- 210000003026 hypopharynx Anatomy 0.000 description 3
- 210000000214 mouth Anatomy 0.000 description 3
- 235000016709 nutrition Nutrition 0.000 description 3
- 230000010412 perfusion Effects 0.000 description 3
- 206010002091 Anaesthesia Diseases 0.000 description 2
- 230000037005 anaesthesia Effects 0.000 description 2
- 210000000205 arytenoid cartilage Anatomy 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 206010016766 flatulence Diseases 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 230000000968 intestinal effect Effects 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 235000015097 nutrients Nutrition 0.000 description 2
- 230000002685 pulmonary effect Effects 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 230000004206 stomach function Effects 0.000 description 2
- 208000031481 Pathologic Constriction Diseases 0.000 description 1
- 239000002390 adhesive tape Substances 0.000 description 1
- 210000004556 brain Anatomy 0.000 description 1
- 230000006837 decompression Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 210000000887 face Anatomy 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 210000005224 forefinger Anatomy 0.000 description 1
- 210000004051 gastric juice Anatomy 0.000 description 1
- 208000021302 gastroesophageal reflux disease Diseases 0.000 description 1
- 210000001035 gastrointestinal tract Anatomy 0.000 description 1
- 238000002695 general anesthesia Methods 0.000 description 1
- 210000004704 glottis Anatomy 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 210000004072 lung Anatomy 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000003533 narcotic effect Effects 0.000 description 1
- 210000002741 palatine tonsil Anatomy 0.000 description 1
- 230000003449 preventive effect Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 210000003065 pyriform sinus Anatomy 0.000 description 1
- 230000000241 respiratory effect Effects 0.000 description 1
- 230000029058 respiratory gaseous exchange Effects 0.000 description 1
- 210000005181 root of the tongue Anatomy 0.000 description 1
- 210000005070 sphincter Anatomy 0.000 description 1
- 230000036262 stenosis Effects 0.000 description 1
- 208000037804 stenosis Diseases 0.000 description 1
- 238000001356 surgical procedure Methods 0.000 description 1
- 210000003813 thumb Anatomy 0.000 description 1
- 210000001685 thyroid gland Anatomy 0.000 description 1
- 210000001519 tissue Anatomy 0.000 description 1
- 210000003437 trachea Anatomy 0.000 description 1
- 238000013022 venting Methods 0.000 description 1
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- Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
- External Artificial Organs (AREA)
Abstract
The present invention relates to an esophagus-blocking type larynx cover ventilation channel. It includes an airway, a ventilation cover, a drainage-tube, a stabilizing device, also includes a fine tube cavity placed on inner side of tube wall of drainage-tube, an esophagus-blocking device, also further includes a fine cavity cathether, its front end side-wall has an air-charging hole, its rear end has an air-charging valve, the fine cavity catheter is passed through the fine tube cavity in drainage-tube wall and can be moved up-down along the fine tube cavity, a cover bag, a marker and a limiting device. Said invention also provides its application method.
Description
Technical field
The present invention relates to a kind of medical apparatus and instruments---intubating laryngeal mask airway that is applied to surgery anesthesia and critical patient rescue, particularly a kind of esophageal obstruction formula intubating laryngeal mask airway.
Background technology
Intubating laryngeal mask airway (laryngeal mask airway) is that Brain also at first advocates a kind of novel airway that uses in the nineteen eighty-three invention.Its basic structure has airway 1 and vent hood 2 as shown in Figure 1, and the purpose of design is: the vent hood 2 that inserts its far-end of back is positioned at hypopharynx a, and forms airtightly around the b of throat, and the wall of vent hood 2 major axis is towards piriform recess.Hypopharynx a or the b of laryngopharynx portion are positioned at arytenoid cartilage and cricoid cartilage pharynx gap afterwards.Thereby, when intubating laryngeal mask airway was correctly inserted, the far-end of vent hood 2 was positioned at after arytenoid cartilage and the cricoid cartilage e, and its top is attached on the last sphincter of esophagus c, the level that is equivalent to the 5th～6 cervical vertebra, the near-end of vent hood are positioned at root and the following level of tonsil of tongue d.
The vent hood 2 of intubating laryngeal mask airway is inserted bottleneck throat a, and it can form a sealing ring inflation back around the b of throat, both can allow patient's autonomous respiration, can implement positive airway pressure again, belongs to the breather between tracheal intubation and face shield.
Over nearly 20 years,, developed the intubating laryngeal mask airway of three kinds of fundamental types once in order to improve the clinical application of intubating laryngeal mask airway:
1. the standard type intubating laryngeal mask airway is at present clinical intubating laryngeal mask airway the most commonly used, is made up of airway and vent hood, is mainly used in keeping of respiratory tract.In order to solve the insertion operating difficulties of standard type intubating laryngeal mask airway airway due to softer and the luminal stenosis phenomenon that in ventilation is kept, occurs, once produced reinforced standard intubating laryngeal mask airway was arranged, its principal character is that length, wall thickness and the intensity of airway increases, the interior also embedding metal spiral silk that has of the airway wall of the intubating laryngeal mask airway of part manufacturers produce.
2. the special-purpose intubating laryngeal mask airway of guidance tracheal intubation, this kind intubating laryngeal mask airway are a kind of improved devices that designs for tracheal intubation specially.The special-purpose intubating laryngeal mask airway of typical tracheal intubation comprises a standard vent hood, pre-moulding metal airway and handle.The airway of the special-purpose intubating laryngeal mask airway of tracheal intubation is quite thick, and maximum can be inserted the endotracheal tube that internal diameter is 9.0mm.
In the vent hood of this kind intubating laryngeal mask airway, a similar leg-of-mutton activeness epiglottis elevator plate is only arranged, when the front end of endotracheal tube passes through epiglottis elevator plate place, can quite easily itself and epiglottis upwards be pushed open, enter the glottis mouth by the vent hood inner chamber smoothly thereby help endotracheal tube.But the metal handle by being connected the airway near-end is the secure grip intubating laryngeal mask airway not only, and can control the direction of vent hood opening.
3. esophagus conduction type intubating laryngeal mask airway as shown in Figure 2, has been developed the modified form intubating laryngeal mask airway that the esophageal reflux thing is had drainage at present.The basic structure of this kind modified form intubating laryngeal mask airway is similar to the standard type intubating laryngeal mask airway, just has a drainage tube 4 that parallels with airway 1, and drainage tube 4 is by vent hood 2 inner chambers and be opened on the front end of vent hood 2 tapers.When correct insertion esophagus conduction type intubating laryngeal mask airway, correct the top that is positioned at esophagus before the drainage tube 4, thereby can carry out under the situation of pulmonary ventilation at the application intubating laryngeal mask airway, insert gastrointestinal decompression tube through drainage tube and carry out anti-attraction of flowing thing and gastric content in the esophagus, can in gastrointestinal tract, insert nasal feeding tube through drainage tube 4 in case of necessity and carry out artificial enteral nutritional support.Have certain preventive effect though esophagus conduction type intubating laryngeal mask airway is inhaled gastric content mistake, inhale the patient of highly dangerous (as full stomach patient) having the lung mistake, this kind modified form intubating laryngeal mask airway still can not reach satisfied respiratory tract protective effect.
Summary of the invention
The objective of the invention is to overcome the deficiencies in the prior art and defective, a kind of esophageal obstruction formula intubating laryngeal mask airway is proposed, on the basis of esophagus conduction type intubating laryngeal mask airway, increase a special esophageal obstruction device, adopting intubating laryngeal mask airway to carry out during respiratory tract keeps, sleeve bag gas-filling by the feeding tube obturator is with the UE complete closed, not only can effectively prevent anti-stream of gastric content and mistake to inhale, and can prevent that the gas that spills from entering gastric and causing flatulence around intubating laryngeal mask airway, make intubating laryngeal mask airway become a kind of holdout device of respiratory tract safely and effectively really.
For reaching above-mentioned purpose, the present invention proposes a kind of esophageal obstruction formula intubating laryngeal mask airway, comprising:
One airway is made with silicone rubber, is shaped on helical metal wire in the tube wall in advance, and with the intensity that strengthens tube wall with keep tube chamber and be in unobstructed state, the near-end of airway has standard ventilation ring pipeline connector, and this joint is dismountable type with airway and is connected;
One vent hood, be similar oval oblique cone shape, make by soft thin rubber, the elliptical ring protuberance that its oblique cone bottom periphery is a hollow cylindrical, its oblique cone face is made by the soft rubber sheet, and the oblique cone face is adhesive type with the oblique cone bottom and closely is connected, above vent hood oblique cone face, be connected with airway, the far-end of airway enters vent hood and is adhesive type with vent hood and closely is connected, and also is sealedly connected with gas tube above vent hood oblique cone face, and the end of gas tube has the self-sealing charge valve;
One drainage tube, drainage tube is made by the semi-rigid transparent medical grade plastic, be positioned at a side of airway, parallel with airway, the length of its near-end top is longer than airway slightly, it is from vent hood oblique cone face top, penetrate the cavity at vent hood center, and pass the mid-point of vent hood scalene cone subordinate side behind the cavity through the vent hood center, its far-end stops herein, penetrate and pass the position of vent hood oblique cone face at drainage tube, all be adhesive type and closely connect;
One stabilising arrangement places the middle and upper part of airway and drainage tube, and airway and drainage tube are connected as a single entity;
In addition, also comprise:
One tubule chamber places the inboard of drainage tube tube wall, when the cavity of vent hood to forwards the time, tubule chamber starting point is positioned at the position of 12 of drainage tube near-end tube chamber centers, the terminating point in tubule chamber is positioned at 8～15 millimeters places apart from the drainage tube far-end;
One esophageal obstruction device, it further comprises:
One thin cavity conduit, its front end sidewall has an inflation inlet, and its rear end is connected with a self-sealing charge valve, and thin cavity conduit passes the tubule chamber in the drainage wall, and can be upper and lower mobile along the tubule chamber;
One overlaps capsule, closely is enclosed within the inflation inlet place of thin cavity conduit front end, and cover capsule inner chamber communicates with the tube chamber of inflation inlet and thin cavity conduit;
One labelling is located on the outer wall of thin cavity conduit middle and upper part, and when thin cavity conduit moves on the tubule intracavity, when the front end of thin cavity conduit was retracted in the drainage tube fully, this labelling just in time was positioned at the near-end of drainage tube;
One restraint device is located at above the labelling of thin cavity conduit, and the spacing length from labelling to restraint device is 35～50 millimeters.
Described drainage tube and tubule chamber also can be one-body molded.
The material of the cover capsule of described esophageal obstruction device is selected from good rubber of elastic performance or plastics.
Described esophageal obstruction device be labeled as annulet, available various colour code.
The restraint device of described esophageal obstruction device is the pipe shape limit collar that a semi-ebonite is made, but fixed cover is on thin cavity conduit.
The supravasal labelling of thin cavity of described esophageal obstruction device is to can calibrate between the spacing place of restraint device.
The invention has the advantages that: because on basis with esophagus conduction type intubating laryngeal mask airway, increased a special esophageal obstruction device, adopting intubating laryngeal mask airway to carry out during respiratory tract keeps, sleeve bag gas-filling by the feeding tube obturator can be with the UE complete closed, not only can effectively prevent anti-stream of gastric content and mistake inhales, and can prevent that the gas that spills from entering gastric and causing flatulence around intubating laryngeal mask airway, make intubating laryngeal mask airway become a kind of holdout device of respiratory tract safely and effectively really.
Description of drawings
Fig. 1 is the normal anatomical position view of existing intubating laryngeal mask airway;
Fig. 2 is the structural representation of existing esophagus conduction type intubating laryngeal mask airway;
Fig. 3 is the structural representation of esophageal obstruction formula intubating laryngeal mask airway of the present invention;
Fig. 4 is the rearview of esophageal obstruction formula intubating laryngeal mask airway structure shown in Figure 3;
Fig. 5 is the structural representation of esophageal obstruction device;
Fig. 6 is the application process sketch map of esophageal obstruction device;
Fig. 7 is the normal anatomical position view of esophageal obstruction formula intubating laryngeal mask airway of the present invention;
Sketch map when Fig. 8 attracts stomach function regulating intestinal perfusion artificial nutrient liquid for the present invention is used for stomach.
The specific embodiment
Describe the specific embodiment of the present invention in detail below in conjunction with drawings and Examples.
As Fig. 3, Fig. 4 and shown in Figure 5, the embodiment for a kind of esophageal obstruction formula intubating laryngeal mask airway comprises:
One airway 1, make with silicone rubber, be shaped on helical metal wire in the tube wall in advance, with the intensity that strengthens tube wall with keep tube chamber and be in unobstructed state, the near-end of airway 1 has standard ventilation ring pipeline connector 11, and this joint 11 is dismountable type with airway 1 and is connected;
One vent hood 2, be similar oval oblique cone shape, make by soft thin rubber, the elliptical ring protuberance 21 that its oblique cone bottom periphery is a hollow cylindrical, its oblique cone face 22 is made by the soft rubber sheet, oblique cone facial 22 is adhesive type with oblique cone bottom 21 and closely is connected, above vent hood oblique cone face 22, be connected with airway 1, the far-end 12 of airway 1 enters vent hood 2 and is adhesive type with vent hood 2 and closely is connected, also be sealedly connected with gas tube 3 above vent hood 2 oblique cone faces 22, the end of gas tube 3 has self-sealing charge valve 31;
One drainage tube 4, drainage tube 4 is made by the semi-rigid transparent medical grade plastic, be positioned at a side of airway 1, parallel with airway 1, the length of its near-end 41 tops is longer than airway 1 slightly, it is from facial 22 tops of vent hood oblique cone, penetrate the cavity at vent hood 2 centers, and pass the mid-point of facial 22 belows of vent hood oblique cone behind the cavity through vent hood 2 centers, its far-end 42 stops herein, penetrate and pass the position of vent hood oblique cone face 22 at drainage tube 4, all be adhesive type and closely connect;
One stabilising arrangement 5 places the middle and upper part of airway 1 and drainage tube 4, and airway 1 and drainage tube 4 are connected as a single entity;
In addition, also comprise:
One tubule chamber 6 places the inboard of drainage tube 4 tube walls, when the cavity of vent hood 2 to forwards the time, the starting point in tubule chamber 6 is positioned at the position of 12 of drainage tube 4 near-ends 41 tube chambers centers, the terminating point in tubule chamber is positioned at 15 millimeters places apart from drainage tube 4 far-ends 42;
One esophageal obstruction device 7 is please consulted Fig. 5 and Fig. 6 simultaneously, and it further comprises:
One thin cavity conduit 71, its front end sidewall has an inflation inlet 711, its rear end is connected with a self-sealing charge valve 72, thin cavity conduit 71 passes the tubule chamber 6 in the drainage wall, and can be along the tubule chamber 6 upper and lower moving;
One overlaps capsule 73, closely is enclosed within inflation inlet 711 places of thin cavity conduit 71 front ends, and the inner chamber of cover capsule 73 communicates with the tube chamber of inflation inlet 711 and thin cavity conduit 71;
One labelling 74 is located on the outer wall of thin cavity conduit 71 middle and upper parts, moves on thin cavity conduit 71 is in tubule chamber 6, and when the front end 712 of thin cavity conduit 71 was retracted in the drainage tube 6 fully, this labelling 74 just in time was positioned at the near-end 41 of drainage tube 4;
One restraint device 75 is located at the top of the labelling 74 of thin cavity conduit 71, and 75 spacing length is 50 millimeters from labelling 74 to restraint device.
The material of the cover capsule 73 of described esophageal obstruction device 7 is selected from good rubber of elastic performance or plastics.
The labelling 74 of described esophageal obstruction device 7 is an annulet, available various colour code.
The restraint device 75 of described esophageal obstruction device 7 is the pipe shape limit collar that a semi-ebonite is made, but fixed cover on thin cavity conduit 71, its diameter should be obviously greater than the internal diameter in tubule chamber 6.
Labelling 74 on the thin cavity conduit 71 of described esophageal obstruction device 7 arrives can calibrate between the spacing place of restraint device 75.
The design of esophageal obstruction formula intubating laryngeal mask airway has multiple model, is applicable to children's, teenager, general adult, tall and big fat adult etc. respectively, and its concrete size is all different.The scope of application of esophageal obstruction formula intubating laryngeal mask airway mainly is: 1. the emergency resuscitation of emergency department, ICU and each section office, when especially carrying out urgent management of respiratory operation by non-narcotic staff; 2. there is the emergency operation patient of full stomach especially simultaneously in difficult tracheal intubation patient; 3. the removing of inspection of trachea and throat and intratracheal foreign body; 4. do not wish to adopt the patient with general anesthesia of tracheal intubation, as ophthalmologic operation, performer, serious hyperpietic etc.
When using esophageal obstruction formula intubating laryngeal mask airway, extract the gas in the vent hood earlier out, the front end of esophageal obstruction formula intubating laryngeal mask airway is inserted in the oral cavity, be positioned at the below of root of the tongue portion until the upper end of vent hood, the self-sealing charge valve 31 of gas tube 3 ends by vent hood is inflated and is filled up vent hood then.During the vent hood inflation, airway 1 can withdraw from the oral cavity usually a little; Thyroid and the tissue above the cricoid cartilage slightly swell.Airway 1 is connected the satisfaction of assess patient pulmonary ventilation with the ventilation loop.After confirming that the intubating laryngeal mask airway ventilation is satisfied, airway 1 and drainage tube 4 usefulness adhesive tapes are fixed on patient's face.The operator pushes esophageal obstruction device 7 downwards with the restraint device 75 of forefinger and thumb gripping esophageal obstruction device 7 middle and upper parts, is positioned at the upper end 41 of drainage tube 4 until this restraint device 75.As shown in Figure 6, this moment thin cavity conduit 71 front end 712 to projecting forwardly to 50 millimeters outside position of drainage tube 4 front ends 42, the cover capsule 73 that adopts syringe to pass through charge valve 72 feeding tube obturators 7 then fills an amount of air, and this moment is with the esophageal obstruction (see figure 7).Thereby can prevent effectively that gastric content is counter flow to pars oralis pharyngis or prevents that the gas that spills around the intubating laryngeal mask airway from entering esophagus and gastric.
When needs carry out stomach attraction stomach function regulating intestinal perfusion artificial nutrient liquid, cover capsule 73 venting with esophageal obstruction device 7, and esophageal obstruction device 7 return in the drainage tube 4 fully, the stomach tube 8 that the drainage tube 4 by esophageal obstruction formula intubating laryngeal mask airway inserts suitable types gets final product (see figure 8).Perfusion is during nutritional solution, inserts behind the stomach tube 8 preferably cover capsule 73 inflations with esophageal obstruction device 7 again, and the nutritional solution of gastric is counter to flow to esophagus and pars oralis pharyngis causes mistake to be inhaled in order to avoid pour into.
Esophageal obstruction formula intubating laryngeal mask airway provided by the invention has following characteristics:
1. except effect and characteristics with standard intubating laryngeal mask airway, esophageal obstruction formula intubating laryngeal mask airway more is applicable to the rescue processing of omnibearing anesthesia process and critical patient.Because it can be effectively with the esophagus sealing, so respiratory tract protection better effects if especially has patient with operation and emergency call salving patient (as full stomach patient) that mistake is inhaled anti-stream highly dangerous.
2. can prevent effectively in the positive airway pressure that the gas that spills enters patient's gastric, needing to be particularly useful for the patient of high pass air pressure in vent hood.
3. two-tube setting not only can provide more efficiently respiratory tract ventilation, and the passage of discharging gastric juice and extra-nutrition can be provided.
4. dual tube designs helps the fixedly position of esophageal obstruction formula intubating laryngeal mask airway, carries out positive airway pressure better.
Claims (6)
1 one kinds of esophageal obstruction formula intubating laryngeal mask airways comprise:
One airway is made with silicone rubber, is shaped on helical metal wire in the tube wall in advance, and with the intensity that strengthens tube wall with keep tube chamber and be in unobstructed state, the near-end of airway has standard ventilation ring pipeline connector, and this joint is dismountable type with airway and is connected;
One vent hood, be similar oval oblique cone shape, make by soft thin rubber, the elliptical ring protuberance that its oblique cone bottom periphery is a hollow cylindrical, its oblique cone face is made by the soft rubber sheet, and the oblique cone face is adhesive type with the oblique cone bottom and closely is connected, above vent hood oblique cone face, be connected with airway, the far-end of airway enters vent hood and is adhesive type with vent hood and closely is connected, and also is sealedly connected with gas tube above vent hood oblique cone face, and the end of gas tube has the self-sealing charge valve;
One drainage tube, drainage tube is made by the semi-rigid transparent medical grade plastic, be positioned at a side of airway, parallel with airway, the length of its near-end top is longer than airway slightly, it is from vent hood oblique cone face top, penetrate the cavity at vent hood center, and pass the mid-point of vent hood scalene cone subordinate side behind the cavity through the vent hood center, its far-end stops herein, penetrate and pass the position of vent hood oblique cone face at drainage tube, all be adhesive type and closely connect;
One stabilising arrangement places the middle and upper part of airway and drainage tube, and airway and drainage tube are connected as a single entity;
It is characterized in that, also comprise:
One tubule chamber places the inboard of drainage tube tube wall, when the cavity of vent hood to forwards the time, tubule chamber starting point is positioned at the position of 12 of drainage tube near-end tube chamber centers, the terminating point in tubule chamber is positioned at 8～15 millimeters places apart from the drainage tube far-end;
One esophageal obstruction device, it further comprises:
One thin cavity conduit, its front end sidewall has an inflation inlet, and its rear end is connected with a self-sealing charge valve, and thin cavity conduit passes the tubule chamber in the drainage wall, and can be upper and lower mobile along the tubule chamber;
One overlaps capsule, closely is enclosed within the inflation inlet place of thin cavity conduit front end, and cover capsule inner chamber communicates with the tube chamber of inflation inlet and thin cavity conduit;
One labelling is located on the outer wall of thin cavity conduit middle and upper part, and when thin cavity conduit moves on the tubule intracavity, when the front end of thin cavity conduit was retracted in the drainage tube fully, this labelling just in time was positioned at the near-end of drainage tube;
One restraint device is located at above the labelling of thin cavity conduit, and the spacing length from labelling to restraint device is 35～60 millimeters.
2. esophageal obstruction formula intubating laryngeal mask airway according to claim 1 is characterized in that described drainage tube and tubule chamber are one-body molded.
3. esophageal obstruction formula intubating laryngeal mask airway according to claim 1 is characterized in that the material of the cover capsule of described esophageal obstruction device is selected from good rubber of elastic performance or plastics.
4. esophageal obstruction formula intubating laryngeal mask airway according to claim 1 is characterized in that, described esophageal obstruction device be labeled as annulet, available various colour code.
5. esophageal obstruction formula intubating laryngeal mask airway according to claim 1 is characterized in that, the restraint device of described esophageal obstruction device is the pipe shape limit collar that a semi-ebonite is made, but fixed cover is on thin cavity conduit.
6. esophageal obstruction formula intubating laryngeal mask airway according to claim 1 is characterized in that, the supravasal labelling of thin cavity of described esophageal obstruction device is to can calibrate between the spacing place of restraint device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB021528926A CN100431635C (en) | 2002-11-26 | 2002-11-26 | Esophageal obstruction type ventilation pipe of larynx cover |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB021528926A CN100431635C (en) | 2002-11-26 | 2002-11-26 | Esophageal obstruction type ventilation pipe of larynx cover |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1502381A true CN1502381A (en) | 2004-06-09 |
| CN100431635C CN100431635C (en) | 2008-11-12 |
Family
ID=34234865
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB021528926A Expired - Lifetime CN100431635C (en) | 2002-11-26 | 2002-11-26 | Esophageal obstruction type ventilation pipe of larynx cover |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100431635C (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2008058433A1 (en) * | 2006-11-14 | 2008-05-22 | Tianjin Plastics Research Insitute Ltd. | Disposable silicon plastic laryngeal mask |
| CN1868552B (en) * | 2005-05-13 | 2010-05-12 | 泰尔茂株式会社 | Catheter |
| WO2011057458A1 (en) * | 2009-11-11 | 2011-05-19 | 天津美迪斯医疗用品有限公司 | Esophageal drainage tube laryngeal mask airway of built-in obstruction type |
| CN101057994B (en) * | 2006-06-26 | 2011-09-14 | 株式会社佐多商会 | Laryngeal mask with guiding tube used for inserting stomach tube |
| CN101856518B (en) * | 2005-03-25 | 2012-08-22 | 纳林尼·瓦迪维鲁 | Medical apparatus with hypopharyngeal suctioning capability |
| CN102784431A (en) * | 2012-08-22 | 2012-11-21 | 浙江曙光科技有限公司 | Drainage laryngeal mask |
| CN107638622A (en) * | 2017-10-23 | 2018-01-30 | 扬州大学附属医院（扬州市第人民医院） | A kind of special antireflux stomach drainage tube of oesophagus drainage laryngeal mask |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB9422224D0 (en) * | 1994-11-03 | 1994-12-21 | Brain Archibald Ian Jeremy | A laryngeal mask airway device modified to detect and/or stimulate mescle or nerve activity |
| CN2238657Y (en) * | 1995-12-07 | 1996-10-30 | 中国人民解放军第二○二医院 | Esophagus blocking type laryngeal cover |
| US5623921A (en) * | 1996-04-10 | 1997-04-29 | Kinsinger; J. William | Laryngeal mask airway and method for its use |
| CN2579352Y (en) * | 2002-11-26 | 2003-10-15 | 中国医学科学院中国协和医科大学整形外科医院 | Esophageal block type larynx cover ventilation path |
-
2002
- 2002-11-26 CN CNB021528926A patent/CN100431635C/en not_active Expired - Lifetime
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101856518B (en) * | 2005-03-25 | 2012-08-22 | 纳林尼·瓦迪维鲁 | Medical apparatus with hypopharyngeal suctioning capability |
| CN1868552B (en) * | 2005-05-13 | 2010-05-12 | 泰尔茂株式会社 | Catheter |
| CN101057994B (en) * | 2006-06-26 | 2011-09-14 | 株式会社佐多商会 | Laryngeal mask with guiding tube used for inserting stomach tube |
| WO2008058433A1 (en) * | 2006-11-14 | 2008-05-22 | Tianjin Plastics Research Insitute Ltd. | Disposable silicon plastic laryngeal mask |
| CN100462112C (en) * | 2006-11-14 | 2009-02-18 | 天津市塑料研究所 | Disposable silicon-plastic larynx mask |
| WO2011057458A1 (en) * | 2009-11-11 | 2011-05-19 | 天津美迪斯医疗用品有限公司 | Esophageal drainage tube laryngeal mask airway of built-in obstruction type |
| CN102784431A (en) * | 2012-08-22 | 2012-11-21 | 浙江曙光科技有限公司 | Drainage laryngeal mask |
| CN107638622A (en) * | 2017-10-23 | 2018-01-30 | 扬州大学附属医院（扬州市第人民医院） | A kind of special antireflux stomach drainage tube of oesophagus drainage laryngeal mask |
| CN107638622B (en) * | 2017-10-23 | 2019-12-24 | 扬州大学附属医院（扬州市第一人民医院） | Special anti-reflux stomach drainage tube for esophageal drainage type laryngeal mask |
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| Publication number | Publication date |
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| CN100431635C (en) | 2008-11-12 |
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