CN201436038U - Laryngeal mask for transesophageal inspection - Google Patents

Laryngeal mask for transesophageal inspection Download PDF

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Publication number
CN201436038U
CN201436038U CN2009200804515U CN200920080451U CN201436038U CN 201436038 U CN201436038 U CN 201436038U CN 2009200804515 U CN2009200804515 U CN 2009200804515U CN 200920080451 U CN200920080451 U CN 200920080451U CN 201436038 U CN201436038 U CN 201436038U
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China
Prior art keywords
tube
esophagus
laryngeal mask
transesophageal
pipe
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Expired - Fee Related
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CN2009200804515U
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Chinese (zh)
Inventor
宋海波
任洁钏
魏明天
吕霞飞
肖至兰
孙明曜
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Individual
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Individual
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Expired - Fee Related legal-status Critical Current

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Abstract

The utility model provides a laryngeal mask for transesophageal inspection with simple structure and convenient operation, belonging to technical field of medical instrument, comprising a aerating tube, an aerating mask and a charging tube of the aerating mask, an aerating port, a one-way valve and an indication air bag, also comprising a gas tube of an esophagus intervention tube and a charging tube fixation ring, at least one secretion absorbing tube and a fixation ring. The esophagus intervention tube is connected with the lower end of the aerating mask and is used by matching with the gas tube of the esophagus intervention tube; the upper end of the secretion absorbing tube is connected with a negative pressure source, and the lower end thereof is a free end. The secretion absorbing tube is attached to an aerating tube by a fixation ring. The utility model solves the problem in the prior art that much secretion exists at the oropharynx part during using the laryngeal mask. The laryngeal mask for transesophageal inspection can be passed through by a ultrasonic probe, a gastroscop, a stomach tube and so on, thereby implementing techniques such as transesophageal ultrasound, painless stomach lens and painless stomach tube.

Description

Transesophageal examination laryngeal mask
Technical field
This utility model relates to a kind of laryngeal mask, relates in particular to a kind of transesophageal examination laryngeal mask, belongs to medical instruments field.
Background technology
(Laryngeal Mask Airway LMA) is a kind of artificial airway who was developed according to dissection adult throat structure in 1981 by Britain doctor Brain to laryngeal mask.It occurs is the damage that through the oral cavity tracheal intubation skin and mucosa is caused in order to solve in the anesthesia process.Existing common laryngeal mask is generally by breather, gas tube three parts of vent hood and vent hood constitute, in the process of using, laryngeal mask is inserted earlier above the trachea, inflate to vent hood by gas tube then, the potential opening of trachea and UE tightly can be covered, feed anesthetic gases by breather then, suck anesthesia.If above-mentioned laryngeal mask is called first generation laryngeal mask, on the basis of first generation laryngeal mask, lot of domestic and international personage transforms it so, has developed into third generation laryngeal mask now.
Second on behalf of the intubate laryngeal mask (LMA-Fastrach, Intubating LMA, ILMA); The third generation is two-tube laryngeal mask (ProSeal-LMA).In recent years, people were increasing to the research of laryngeal mask, and carried out some new improvement.2006, Daniel J.Cook proposed two kinds of structures [US 2008/0078398 A1 Methods of forming alaryngeal mask Apr.3,2008US] of laryngeal mask.There is the same year a patent to propose the laryngeal mask far-end again one panel is slidably arranged, mouth and nose tightly can be covered [US 2008/0078402A1Superglottic airway device and method ofuse Apr.3,2008].For the weakness that laryngeal mask is dislocated easily, people have also proposed various ways.Such as in laryngeal mask, settle at least one supporter to be connected on the aeration ring, when inflation, laryngeal mask holded up and make it enter [US2007/0246050 A1 Laryngeal mask and method for making the same Oct.25,2007] in the larynx.The laryngeal mask annular neckline that contains a ring packing mouth and extend outward and for example, both are by different pipelines all inflatable [US 2008/0092903 A1 Laryngeal mask assemblies Apr.24,2008].But these improved laryngeal masks still have a lot of weak points, as poor air-tightness, and mistake suction rate height; Ventilation capsule front portion occupies pharyngeal, causes very big inconvenience for the use of transesophageal ultrasonography stomach tube drain etc.; In the process of anaesthetizing with laryngeal mask, the pharyngeal secretions of disease population can increase, and accumulates in the oral cavity and throat place in addition, adverse consequences such as cause that spasm and choking is coughed.
In order to remedy the deficiency of above-mentioned existing common laryngeal mask, make laryngeal mask become possibility with being used in combination of transesophageal ultrasonography, gastroscope, stomach tube etc., in time absorb simultaneously in the operation process owing to laryngeal mask stimulates the too much secretions that produces, for this reason, if can design a kind of novel laryngeal mask, described problem can both be resolved, this task of the present utility model just place.
Summary of the invention
The purpose of this utility model in order to overcome the existing existing weak point of common laryngeal mask, provides a kind of transesophageal examination laryngeal mask of clinical middle suction-type general anesthesia just.This laryngeal mask not only air-tightness is good, and has solved the many problems of pars oralis pharyngis secretions in the common laryngeal mask process of using; And have the advantages that to allow ultrasonic probe, gastroscope, stomach tube etc. to pass through, make laryngeal mask can with being used in combination of transesophageal ultrasonography, stomach tube, gastroscope etc., bring great convenience for the use of transesophageal ultrasonography stomach tube drain etc.
For realizing the purpose of this utility model, the technical scheme that this utility model adopts following measure to constitute realizes.
Transesophageal examination laryngeal mask of the present utility model comprises breather, vent hood and vent hood gas tube, blow vent, check valve, pilot balloon according to this utility model, also comprises esophagus intervention pipe, esophagus is got involved pipe gas tube, gas tube retainer ring, secretions draft tube, draft tube retainer ring; Described esophagus intervention pipe links to each other with the lower end of vent hood but does not communicate; Esophagus is got involved pipe gas tube lower end and is connected by union joint and esophagus intervention pipe, and be bundled in vent hood wall side by gas tube retainer ring 11, on breather, its upper end is connected with negative pressure source the secretions draft tube by draft tube retainer ring appendix, and the lower end is a free end.
In the technique scheme, described esophagus is got involved the hollow, cylindrical tube that pipe is set to inside and outside two layers of walls.
In the technique scheme, the outer wall that described esophagus is got involved its hollow, cylindrical tube of pipe is set to D shape, and inwall is set to the hourglass shape.
In the technique scheme, described secretions draft tube is set to one at least.
In the technique scheme, be favourable absorption foreign body in oropharynx, described secretions draft tube lower ending opening tube wall is wedge shape.
In the technique scheme, described draft tube retainer ring is at least more than two, and it is shaped as C shape.
In the technique scheme, described gas tube retainer ring is at least more than two, and it is shaped as C shape.
This utility model compared with prior art has following advantage and useful technique effect:
1, the setting of esophagus intervention pipe in this utility model transesophageal examination laryngeal mask:
(1) can allow passing through of ultrasonic probe, gastroscope, stomach tube etc., make laryngeal mask become possibility with being used in combination of transesophageal ultrasonography and stomach tube etc.
Can more effectively prevent the laryngeal mask slippage when (2) inserting probe or gastroscope, esophagus is got involved pipe and is put in esophagus, makes laryngeal mask better fixing.
(3) the esophagus inwall of getting involved pipe is designed to the hourglass shape, can reduce friction, and helps popping one's head in or the rotation of gastroscope is moved, and helps to stablize laryngeal mask again; Esophagus is got involved pipe can allow probe etc. pass through smoothly, not too large again so that excessively oppress the esophagus mucosa; In addition, the straight wall of outer wall that esophagus is got involved pipe pastes the trachea rear wall, can alleviate the compressing to trachea.
(4) when not needing transesophageal examination, then esophagus not to be got involved pipe and inflate, this moment, it was a shrunken flat shape, was attached at the breather lower end, did not take up space.When needs carry out transesophageal examination,, fully guaranteed its air-tightness again to its inflation.
2, the setting of secretions draft tube in this utility model transesophageal examination laryngeal mask:
(1) the many problems of pars oralis pharyngis secretions in the common laryngeal mask process of using have been solved.
(2) use C shape draft tube retainer ring that the secretions draft tube is limited near the breather, not only can reduce friction, well adjusting position.
Description of drawings
The monnolithic case Facad structure sketch map of Fig. 1 most preferred embodiment of the present utility model;
Fig. 2 is the structure sketch map of Fig. 1;
Fig. 3 is the side structure sketch map of Fig. 1;
Fig. 4 vent hood of the present utility model and esophagus are got involved pipe inflated condition sketch map.
Code name among the figure: 1 breather, 2 vent hoods, 3 vent hood gas tubes, 4 esophaguses are got involved pipe, and 5 esophaguses are got involved pipe gas tube, 6 secretions draft tubes, 7 draft tube retainer rings, 8 blow vents, 9 check valves, 10 pilot balloons, 11 gas tube retainer rings.
The specific embodiment
Below in conjunction with accompanying drawing and with embodiment use of the present utility model and operating procedure are described in further detail, but and do not mean that any restriction this utility model content.
Among Fig. 1, breather 1 and blow vent 8 are connected, and promptly blow vent is that breather is opened the opening to trachea, and vent hood 2 is connected with vent hood gas tube 3, and vent hood is around connecting blow vent but be not attached thereto logical; Esophagus is got involved pipe 4 and is connected with esophagus intervention pipe gas tube 5, esophagus is got involved the lower end that pipe is positioned at vent hood 2, and be connected with the vent hood lower end but be not attached thereto logical, esophagus is got involved pipe gas tube bottom and is bundled in the vent hood front side wall by gas tube retainer ring 11, esophagus gets involved pipe gas tube middle and upper part and vent hood gas tube 3 is parallel, but two pipes are not connected, and two gas tubes are suitable for reading by pilot balloon 10 connection check valves 9; Secretions draft tube 6 is bundled in breather 1 wall side by draft tube retainer ring 7, and is only adjacent with breather but do not communicate.
Among Fig. 2, structure is identical with annexation and Fig. 1.
Among Fig. 3, structure is identical with annexation and Fig. 1.
Among Fig. 4, vent hood 2 attaches mutually with esophagus intervention pipe 4 but does not communicate, esophagus is got involved pipe gas tube 5 and is not connected with vent hood 2 by the sidewall that gas tube retainer ring 11 only is bundled in vent hood 2, getting involved pipe gas tube 5 by esophagus can inflate the hollow pipe of esophagus intervention pipe 4, is the inflated condition that vent hood and esophagus are got involved pipe shown in the figure.
Embodiment
The use of transesophageal examination laryngeal mask of the present utility model and operating procedure:
At first, discharge the gas in the laryngeal mask, be coated with soluble oil, laryngeal mask is inserted into down the pharyngeal cavity position ends, push down trunnion; Inflate in vent hood 2 by vent hood gas tube 3 then and make it expansion, when pilot balloon 10 expands, represent that inflation is full, cover trachea and cover the potential opening in esophagus upper end.In the fixing laryngeal mask position of face, make anesthetic gases enter trachea by blow vent 8 through breather 1, be absorbed by the body, reach anaesthetic effect.Because esophagus is covered by vent hood 2, anesthetic gases can not enter stomach by esophagus and cause flatulence to cause vomiting.When needs carry out transesophageal examination, just the esophagus with inside and outside two layers of walls is got involved pipe 4 inflations, promptly get involved in the hollow, cylindrical tube of managing 5 pairs of esophaguses interventions of gas tube pipe 4 and inflate by esophagus, because it is D shape that esophagus is got involved the pipe outer wall, its straight wall is adjacent to the trachea rear wall, but the long-pending compressing that can reduce again trachea of traction-increasing surface, laryngeal mask is difficult for slippage simultaneously.Inwall is a hourglass shape, avoids anesthetic gases to pass through, and the rotation that helps ultrasonic probe or gastroscope is moved.Represent that when pilot balloon expands inflation is full, esophagus intervention pipe promptly expands, and esophagus is strutted, and esophagus was got involved to manage and promptly presented state shown in Figure 4 this moment; Manifest the passage that instrument enters simultaneously, ultrasonic probe, gastroscope, stomach tube etc. promptly stretch into esophagus by the inner chamber of hourglass shape, and just can carry out supersonic sounding or gastroscopy this moment.
When not needing to carry out transesophageal examination in the operation, then need not get involved the pipe inflation to esophagus.Do not have the esophagus intervention pipe volume of inflation very little, adhere well to the vent hood lower end, finish covering esophagus with vent hood.
In the process that the present embodiment transesophageal examination laryngeal mask uses, secretions draft tube 6 is set to 2 of optimums, two root secretion draft tubes pass through C shape draft tube retainer ring 7 appendix in 1 liang of proceeds posterolateral of breather, simultaneously, C shape draft tube retainer ring allows the secretions draft tube to slide up and down, and has increased the scope of sucking-off foreign body; The external opening of secretions draft tube upper end connects negative pressure source, and the body inner opening of lower end tube wall wedge shape is the too much secretions of sucking-off pars oralis pharyngis generation on every side effectively.

Claims (7)

1. transesophageal examination laryngeal mask, comprise breather (1), vent hood (2) and vent hood gas tube (3), blow vent (8), check valve (9), pilot balloon (10), it is characterized in that also comprising esophagus intervention pipe (4), esophagus is got involved pipe gas tube (5), gas tube retainer ring (11), secretions draft tube (6), draft tube retainer ring (7); Described esophagus intervention pipe links to each other with the lower end of vent hood (2) but does not communicate; Esophagus is got involved pipe gas tube (5) lower end and is connected by union joint and esophagus intervention pipe, and be bundled in the vent hood sidewall by gas tube retainer ring 11, on breather (1), its upper end is connected with negative pressure source secretions draft tube (6) by draft tube retainer ring (7) appendix, and the lower end is a free end.
2. transesophageal examination laryngeal mask according to claim 1 is characterized in that described esophagus intervention pipe (4) is set to the hollow, cylindrical tube of inside and outside two layers of walls.
3. transesophageal examination laryngeal mask according to claim 1 and 2 is characterized in that the outer wall of described esophagus intervention pipe (4) its hollow, cylindrical tube is set to D shape, and inwall is set to the hourglass shape.
4. transesophageal examination laryngeal mask according to claim 1 is characterized in that described secretions draft tube (6) is set to one at least.
5. according to claim 1 or 4 described transesophageal examination laryngeal masks, it is characterized in that described secretions draft tube (6) lower ending opening tube wall is wedge shape, helps absorbing foreign body in oropharynx.
6. transesophageal examination laryngeal mask according to claim 1 is characterized in that described draft tube retainer ring (7) is at least more than two; It is shaped as C shape.
7. transesophageal examination laryngeal mask according to claim 1 is characterized in that described gas tube retainer ring (11) is at least more than two, and it is shaped as C shape.
CN2009200804515U 2009-04-28 2009-04-28 Laryngeal mask for transesophageal inspection Expired - Fee Related CN201436038U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2009200804515U CN201436038U (en) 2009-04-28 2009-04-28 Laryngeal mask for transesophageal inspection

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2009200804515U CN201436038U (en) 2009-04-28 2009-04-28 Laryngeal mask for transesophageal inspection

Publications (1)

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CN201436038U true CN201436038U (en) 2010-04-07

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9463296B2 (en) 2014-04-01 2016-10-11 Michael S. Stix Laryngeal mask with piriform-fossa conduit
ES2725399A1 (en) * 2018-03-22 2019-09-24 Cabrera Sofia Ahufinger COMBINED VENTILATION DEVICE FOR SEDATION AND GUIDE FOR ENDOSCOPE IN GASTROSCOPY PROCEDURES (Machine-translation by Google Translate, not legally binding)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9463296B2 (en) 2014-04-01 2016-10-11 Michael S. Stix Laryngeal mask with piriform-fossa conduit
ES2725399A1 (en) * 2018-03-22 2019-09-24 Cabrera Sofia Ahufinger COMBINED VENTILATION DEVICE FOR SEDATION AND GUIDE FOR ENDOSCOPE IN GASTROSCOPY PROCEDURES (Machine-translation by Google Translate, not legally binding)

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C14 Grant of patent or utility model
GR01 Patent grant
C17 Cessation of patent right
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20100407

Termination date: 20110428