CN104922773A - Multi-tube laryngeal mask - Google Patents

Multi-tube laryngeal mask Download PDF

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Publication number
CN104922773A
CN104922773A CN201510349596.0A CN201510349596A CN104922773A CN 104922773 A CN104922773 A CN 104922773A CN 201510349596 A CN201510349596 A CN 201510349596A CN 104922773 A CN104922773 A CN 104922773A
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China
Prior art keywords
multitube
laryngeal mask
tube
expanding part
laryngeal
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CN201510349596.0A
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CN104922773B (en
Inventor
林必盛
林家瑩
林家龍
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Beijing Delphi Technology Co Ltd
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Beijing Delphi Technology Co Ltd
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Priority to CN201510349596.0A priority Critical patent/CN104922773B/en
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Publication of CN104922773B publication Critical patent/CN104922773B/en
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Abstract

The invention discloses a multi-tube laryngeal mask which comprises a bendable body tube used for ventilating lungs and provided with an antiskid and anti-biting device. The multi-tube laryngeal mask further comprises one or more additional independent channels which are beneficial to operation of various instruments without influencing the ventilation of the body tube and are soft and capable of being freely bent and deformed. The independent channels are connected to the edge of a mask body. The available space is enlarged, the friction caused by an endoscope to mucous membrane when the endoscope enters an oval cavity is reduced, tubular instruments or interventional devices can conveniently enter and leave, and an instrument channel and a breathing tube do not interfere with each other.

Description

Multitube laryngeal mask
Technical field
The present invention relates to a kind of airway device, on laryngeal mask, mainly add the multiple passages beyond main breather, make it do respiratory tract under ventilatory conditions and digestive tract is disposed not disturbing, make during treatment, both to have ensured that sufferer respiratory function also can allow intervention device pass in and out smoothly.
Background technology
Laryngeal mask be a kind of to stretch into after throat can rapidly and accurately with the upper respiratory tract sound door device of trachea near para-position, flexible touch can be provided, the sense of discomfort of patient and other location contacts of throat can be reduced when using.General laryngeal mask makes with homogenous material, but the multiple contact point tolerations differences in throat, may damage.Carynx cover structure disclosed by patent CN2728531Y is for each contact point of applicable throat is made of a variety of materials, as shown in Figure 8, principal character comprises: the expanding part B be connected with body A one end, its front end forms a slice shape, this expanding part B leading edge is provided with a protruded stigma C, and the end in body A extends to form extension edge; The soft supporter D of one ring-type, around being incorporated into around expanding part B, is provided with a slice supporting pad E in the soft supporter D of this ring-type; One flexible gum cover F, the tension force expanded when having stickiness and inflate, is overmolding to one by expanding part B, supporter D and supporting pad E, form laryngeal mask.
Often use endoscope as respiratory tract, digestive tract examining clinically, but in recent years not only in inspection, be also more and more usually used on interventional therapy.During general endoscopy, because the time is shorter, usually only with simple airway management equipment such as: nasal cannula oxygen supply, occasionally has respiratory arrest but is unlikely to cause sufferer anoxia.Endoscopy does treatment simultaneously now can need many operating times, get involved action therefore need anaesthetize to sufferer, if therefore non-device airway management equipment such as: endotracheal tube or laryngeal mask, have the risk causing sufferer anoxia.Use endotracheal tube because invasive is higher, have larger risk, general sufferer and medical personnel are unwilling to adopt; General laryngeal mask cover body is too large, can block esophageal orifice, should not use when digestive tract is disposed; Separately have a kind of laryngeal mask with gastric tube passageway, though can enter stomach with smaller endoscope, passage cannot hold disposal endoscope and dispose outfit.
The problem of current laryngeal mask is that cover body is too large, body is more straight, esophageal orifice can be blocked, make limited space, be difficult to after inserting laryngeal mask insert endoscope again, and the Carynx cover structure disclosed by patent CN2728531Y is because cover body is smaller, can avoid blocking esophageal orifice, but operation time more inconvenient or need use Occluding device in case endoscope is bitten.Also be need find out laryngeal mask edge in oral cavity and just can enter esophagus by laryngeal mask edge after using Occluding device, therefore not only oral cavity space reduces, and increases the risk of endoscope and mucosa friction especially, also increases the risk moving to laryngeal mask.Therefore in order to ensure laryngeal mask airway and minimizing mucosa lesions, above situation should be improved.
In the laryngeal mask for upper gastrointestinal endoscopy of patent CN202314783U and the Double-air-passage laryngeal mask of patent CN201727823U, all that the pipeline passed through by endoscopy is put in laryngeal mask body, the method can cause several defects, comprise: endoscope passage is adjacent with corrugated hose, cause passage and pipeline to interact, channel sized is restricted; During operation endoscope, must laryngeal mask cover body be passed through, make endoscope working place restricted; Endoscope action need direction of rotation, can be limited because of channel bends angle in passage; Laryngeal mask can be driven to move because laryngeal mask cover body and body are connected during the turnover of operation endoscope, laryngeal mask gas leakage probability may be caused to improve.The design occurs for avoiding analogue, therefore instrument channel independent of air tube.
Summary of the invention
For improving the problem that laryngeal mask uses, invention emphasis should be put in two places, one is expand available space, if body is flexible by directly changing into, and cover body is changed into only cover glottis, then Occluding device or bite-block are otherwise replaced, more rear space can be abdicated; Two, for reducing the friction caused with mucosa when endoscope enters oral cavity, prevent mucosa lesions, can in cover body peripheral hardware elasticity and the passage of softness, facilitate tubular device or intervention device to pass in and out; Therefore instrument channel is reached and air tube does not interfere with each other.
The object of the invention is the Carynx cover structure improvement disclosed by airway device patent CN2728531Y, this Carynx cover structure increases the device protecting solid movement and the device strengthening body firmness degree, increase a passage guaranteeing to ventilate and can make endoscope or intervention device to enter again, make both can smooth and easy ventilation endoscope or intervention device also can be allowed to pass in and out smoothly during treatment.
A kind of multitube laryngeal mask being provided, comprising: flexible main body tube, for giving lung ventilation, which is provided with anti-skidding anti-bite device; Multitube laryngeal mask be also included in do not affect main body tube ventilation situation under, allow various apparatus handled easily one or more softnesses again can free bend distortion extra autonomous channel, this autonomous channel is connected to covers edge.
Preferably, described main pipe one end connects expanding part, and expanding part front end forms a slice shape, and expanding part leading edge is provided with a protruded stigma; The end of main pipe extends to form extension edge, is provided with a horn-like outlet and presses close to glottis place bottom extension edge; On main body tube, cover has a threaded hard tube, and screw thread hard tube arranges a threaded flexible pipe again, and screw thread hard tube and flexible pipe form anti-skidding anti-bite device.
Preferably, described main body tube expanding part is provided with multiple air-vent.
Preferably, described screw thread hard tube has the circular lines of plural number, circular lines is vertical with body.
Preferably, described screwed hose is provided with a semicylinder and connected plural lines, and semicylinder is parallel with body.
Preferably, the plural lines on described screwed hose is tortuous bow shape, and vertical with body.
Preferably, also comprise a cover body, it can cover glottis and only account for the oropharynx space of below half, is a separate unit; Cover body comprises the soft supporter of a ring-type, and the soft supporter of ring-type, around being incorporated into around expanding part, arranges a slice supporting pad in the soft supporter of ring-type, and expanding part, supporting pad and supporter are overmolding to one by a flexible gum cover with stickiness and tension force.
Preferably, described supporting pad is provided with multiple air-vent.
Preferably, described extra autonomous channel is resilient channels, and material is softer, can change shape, and resilient channels is independent of main body tube, is connected or penetrates with cover body peripheral part along with the apparatus used in passage.
Preferably, described resilient channels can be made into tubulose.
Preferably, described resilient channels can be made into coil paper shape.
Preferably, described resilient channels is provided with a harder hollow tubular thing.
The invention provides a kind of multitube laryngeal mask, first laryngeal mask entirety is in hook solid, comprise one for the main body tube of lung ventilation, main body tube is flexible, making can closer to glottis when entering patient's throat, make cover body rear can abdicate more space in throat, thus various apparatus pipeline by time can reduce interference, reduce moving to cover body and cause gas leakage simultaneously, it two is that main body tube is provided with anti-skidding anti-bite device to reinforce main body tube, such as can overlap a threaded hard tube on main body tube, to replace Occluding device or bite-block, this screw thread hard tube arranges a threaded flexible pipe again in order to anti-skidding, minimizing passes in and out other intervention device during in oral cavity, move to the risk of laryngeal mask body, preferably, screw thread hard tube is provided with the circular stricture of vagina road of plural number, plural number lines is vertical with body, screwed hose is provided with a semicylinder and connected plural stricture of vagina road, semicylinder on screwed hose is parallel with body, plural lines on screwed hose is tortuous bow shape, and it is vertical with body, its three be main pipe one end connect expanding part, expanding part can be provided with multiple air-vent, expanding part front end forms a slice shape, this expanding part leading edge is provided with a protruded stigma, end in main pipe extends to form extension edge, extends edge lower end and forms horn-like outlet, direct corresponding glottis mouth, make air tube closer to respiratory tract, reach more effective ventilation and ensure the oxygen supply of sufferer, it four is that multitube laryngeal mask is also provided with a cover body, it can cover glottis and only account for the oropharynx space of below half, it is a separate unit, cover body comprises the soft supporter of a ring-type, the soft supporter of ring-type is around being incorporated into around expanding part, in the soft supporter of ring-type, a slice supporting pad is set, expanding part, supporting pad and supporter are overmolding to one by the one flexible gum cover with stickiness and tension force, form independent ventilation road, when avoiding arranging additional channels, impact ventilation in instrumentation, supporting pad can be provided with multiple air-vent.
Multitube laryngeal mask separately has the passage of one or more elastomeric flexible, resilient channels is independent of main body tube, be connected with cover body peripheral part or penetrate, the friction that resilient channels can reduce when endoscope or intervening equipment enter oral cavity and mucosa causes, can mucosa lesions be prevented, facilitate intervention device repeatedly to pass in and out simultaneously.Resilient channels is located at flexible gum cover side or is penetrated and shrinks in gum cover, resilient channels can enter in patient oral cavity with multitube laryngeal mask simultaneously, passage passes through for various tubular device to arrive in esophagus by this, resilient channels makes various inflatable shape, as coil paper shape, tubulose, pass in and out to make pipeline and do not limit by volume; Also can be provided with a harder hollow tubular thing in coil paper shape resilient channels, to be strutted by coil paper shape passage, use enlarged tube paths.
Resilient channels uses soft material to make, and can allow the apparatus arbitrary motion in passage or change angle or curve, can not produce and be limited as apparatus in rigid passage the awkward situation that operates.And only have the zonule, front end one of resilient channels to be connected with laryngeal mask cover body, can not have influence on the ventilation of air tube during apparatus in operating walk way, therefore the oxygen supply safety of sufferer is more secure.
In addition, time in resilient channels as the apparatus of thinner and not firm softness will be put into, first can put into a harder pipe in resilient channels, thin and unsubstantial apparatus can be passed through from hard tube.
Another kind of situation must get involved from corrugated hose, resilient channels can be changed over corrugated hose, then by from corrugated hose, apparatus is passed through during this situation.In this embodiment, resilient channels is arranged and directly penetrates laryngeal mask body, ventilate from resilient channels.In order to convenient from resilient channels ventilation, expanding part and elastomeric pad are provided with multiple perforation, and gas can be entered in glottis and air flue from these perforation.
Accompanying drawing explanation
Better the present invention will be understood with reference to accompanying drawing, in the accompanying drawings:
Fig. 1, Fig. 2 are overall schematic of the present invention;
Fig. 3 is the crosscut profile of one embodiment of the present invention;
Fig. 4 is the crosscut profile of its two embodiment of the present invention;
Fig. 5 is the crosscut profile of its three embodiment of the present invention;
Fig. 6 is the crosscut profile of its four embodiment of the present invention;
Fig. 7 is the side schematic view of embodiment of the present invention;
The Carynx cover structure stereo appearance figure of Fig. 8 for continuing to use.
Description of reference numerals: main pipe 1; Expanding part 11; Protruded stigma 111; Air-vent 112; Extend edge 12; Supporter 2; Supporting pad 3; Air-vent 31; Flexible gum cover 4; Side perforation 41; Screw thread hard tube 5; Screw thread 51; Screwed hose 6; Screw thread lines 61; Straight cylinder 62; Resilient channels 7; Tubular elastomeric passage 71; Coil paper shape resilient channels 72; Hollow and hard pipe 73; Body A; Expanding part B; Protruded stigma C; The soft supporter D of ring-type; Supporting pad E; Flexible gum cover F; Gastroscope G.
Detailed description of the invention
Consult Fig. 1 and the present invention illustrated in Figure 2, laryngeal mask mainly comprises the expanding part 11 of main pipe 1 one end, expanding part is provided with multiple air-vent 112, its expanding part front end forms a slice shape, this expanding part leading edge is provided with a protruded stigma 111, and below extends to form horn-like body extension edge 12 in the end of main pipe 1; The soft supporter 2 of one ring-type, around being incorporated into around expanding part, is provided with a slice supporting pad 3 in the soft supporter 2 of this ring-type; One flexible gum cover 4, it has stickiness and the tension force supplying to expand when inflating, and expanding part, supporting pad 3 are overmolding to one with supporter 2, and supporting pad 3 is provided with multiple air-vent 31.This laryngeal mask main pipe 1 middle cover has a screw thread hard tube 5, and its screw thread 51 is a circle circle circular lines vertical with hard tube, and its lines is plural number.On this screw thread hard tube 5, also cover has a screwed hose 6, the straight cylinder 62 pipe having screw thread lines 61 and connect, and screw thread lines 61 has male and fomale(M&F), with straight cylinder 62 in vertical direction and screw thread lines 61 be plural; Screw thread hard tube can replace Occluding device or bite-block, and screwed hose can with anti-skidding, reduces when to pass in and out other intervention device in oral cavity, moves to the risk of laryngeal mask body.
As shown in Fig. 3, Fig. 4, Fig. 5, the present invention is provided with the tubulose of an identical material or the resilient channels 7 of coil paper shape at flexible gum cover 4 side, and laryngeal mask main pipe 1 is set to hook solid, on main pipe 1, a threaded hard tube 5 is overlapped in middle, about 1-3 centimeter length, the flexible pipe 6 that one has screw thread lines is set on this screw thread hard tube 5 again, about 7-10 centimeter length.The friction that resilient channels can reduce when endoscope or intervening equipment enter oral cavity and mucosa causes, can prevent mucosa lesions, facilitate intervention device repeatedly to pass in and out simultaneously.
As shown in Fig. 3, Fig. 4, Fig. 5, Fig. 6, this flexible gum cover 4 side links place with resilient channels 7, and resilient channels 7 is 10-20 centimeter length, to facilitate endoscope or intervening equipment turnover.A kind of embodiment is tubular conduit 71 is a tubulose, and another kind of embodiment is coil paper shape 72, passage can be paved or roll, be similar to tubular conduit after rolling, and in another kind of embodiment, web-like channel center can put into a hollow and hard pipe 73 again; A kind of embodiment is also had to be that resilient channels 7 enters in gum cover by flexible gum cover 4 side perforation 41; Another kind of embodiment is then that the embodiment of above-mentioned explanation all can exist simultaneously.
Dispose for gastroscope Interventional, consult Fig. 7, when using multitube laryngeal mask of the present invention, after sufferer induction of anesthesia, by tram in laryngeal mask sufferer throat, respiratory system pipe is connected main body tube joint, the incidence of sufferer toward layback, throat, oral cavity and mouth (face), in a straight line, are tested and are confirmed whether to ventilate smoothly, again by endoscope by putting into sufferer esophagus in the resilient channels at oral cavity place, by this perform check or treatment.Gastroscope can pass in and out in resilient channels if desired, avoids because gastroscope repeatedly passes in and out and causes mucosa lesions.

Claims (14)

1. a multitube laryngeal mask, is characterized in that, comprising: flexible main body tube, for giving lung ventilation, which is provided with anti-skidding anti-bite device; Multitube laryngeal mask be also included in do not affect main body tube ventilation situation under, allow various apparatus handled easily one or more softnesses again can free bend distortion extra autonomous channel, this autonomous channel is connected to covers edge.
2. multitube laryngeal mask as claimed in claim 1, is characterized in that: described main pipe one end connects expanding part, and expanding part front end forms a slice shape, and expanding part leading edge is provided with a protruded stigma; The end of main pipe extends to form extension edge, is provided with a horn-like outlet and presses close to glottis place bottom extension edge; On main body tube, cover has a threaded hard tube, and screw thread hard tube arranges one again screwed hose, and screw thread hard tube and flexible pipe form anti-skidding anti-bite device.
3. multitube laryngeal mask as claimed in claim 2, it is characterized in that, described main body tube expanding part is provided with multiple air-vent.
4. multitube laryngeal mask as claimed in claim 2, is characterized in that, described screw thread hard tube has the circular lines of plural number.
5. multitube laryngeal mask as claimed in claim 4, it is characterized in that, the lines on described screw thread hard tube is vertical with body.
6. multitube laryngeal mask as claimed in claim 2, it is characterized in that, described screwed hose is provided with a straight cylinder and connected plural lines.
7. multitube laryngeal mask as claimed in claim 6, it is characterized in that, the straight cylinder on described screwed hose is parallel with body.
8. multitube laryngeal mask as claimed in claim 7, it is characterized in that, the plural lines on described screwed hose is tortuous bow shape, and vertical with body.
9. multitube laryngeal mask as claimed in claim 1, is characterized in that, also comprise a cover body, and it can cover glottis and only account for the oropharynx space of below half, is a separate unit; Cover body comprises the soft supporter of a ring-type, and the soft supporter of ring-type, around being incorporated into around expanding part, arranges a slice supporting pad in the soft supporter of ring-type, and expanding part, supporting pad and supporter are overmolding to one by a flexible gum cover with stickiness and tension force.
10. multitube laryngeal mask as claimed in claim 9, it is characterized in that, described supporting pad is provided with multiple air-vent.
11. multitube laryngeal masks as claimed in claim 1, it is characterized in that, described extra autonomous channel is resilient channels, material is softer, can change shape along with the apparatus used in passage, and resilient channels is independent of main body tube, is connected or penetrates with cover body peripheral part.
12. multitube laryngeal masks as claimed in claim 11, it is characterized in that, described resilient channels is tubular conduit.
13. multitube laryngeal masks as claimed in claim 11, is characterized in that, described resilient channels is coil paper shape passage.
14. multitube laryngeal masks as claimed in claim 11, is characterized in that, described resilient channels is provided with a harder hollow tubular thing.
CN201510349596.0A 2015-06-24 2015-06-24 Multitube laryngeal mask Active CN104922773B (en)

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CN104922773B CN104922773B (en) 2018-01-12

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Citations (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE20003899U1 (en) * 1999-10-12 2000-04-27 Zerer Wolfgang Device for a larynx mask
WO2000023135A1 (en) * 1998-10-19 2000-04-27 Dimitriou K Vasilios Device for guided tracheal intubation
CN2540984Y (en) * 2001-09-10 2003-03-26 华勇 Possive pressure oxygen inhaler pneumatics
US20030217744A1 (en) * 2002-05-24 2003-11-27 Yukimi Sugai Bite block
CN2728531Y (en) * 2004-08-10 2005-09-28 富求达医疗器材科技股份有限公司 Carynx cover structure
CA2595604A1 (en) * 2005-01-26 2006-08-03 Ezc Holding, Llc Video-assisted laryngeal mask airway devices
CN2882657Y (en) * 2006-02-27 2007-03-28 天津市塑料研究所 Double-tunnel plastic throat mask
CN201257209Y (en) * 2008-05-26 2009-06-17 中国医药大学 Self-assembly throat cover set
CN202505926U (en) * 2012-04-24 2012-10-31 李涛 Novel painless gastrointestinal endoscopy type double-cavity laryngeal mask
CN202777356U (en) * 2012-09-18 2013-03-13 江苏亚光医疗器械有限公司 Three-channel laryngeal mask
CN104039214A (en) * 2011-11-30 2014-09-10 喉罩有限公司 Endoscopy device
CN204017073U (en) * 2014-08-17 2014-12-17 曲大利 New medical Occluding device
CN104606756A (en) * 2015-02-02 2015-05-13 河南科技大学第一附属医院 Fixing patch capable of fixing oropharynx breather pipe and tracheal cannula at the same time
CN204337461U (en) * 2014-12-19 2015-05-20 南方医科大学南方医院 With the infant trachea conduit of slip air bag bite-block

Patent Citations (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2000023135A1 (en) * 1998-10-19 2000-04-27 Dimitriou K Vasilios Device for guided tracheal intubation
DE20003899U1 (en) * 1999-10-12 2000-04-27 Zerer Wolfgang Device for a larynx mask
CN2540984Y (en) * 2001-09-10 2003-03-26 华勇 Possive pressure oxygen inhaler pneumatics
US20030217744A1 (en) * 2002-05-24 2003-11-27 Yukimi Sugai Bite block
CN2728531Y (en) * 2004-08-10 2005-09-28 富求达医疗器材科技股份有限公司 Carynx cover structure
CA2595604A1 (en) * 2005-01-26 2006-08-03 Ezc Holding, Llc Video-assisted laryngeal mask airway devices
CN2882657Y (en) * 2006-02-27 2007-03-28 天津市塑料研究所 Double-tunnel plastic throat mask
CN201257209Y (en) * 2008-05-26 2009-06-17 中国医药大学 Self-assembly throat cover set
CN104039214A (en) * 2011-11-30 2014-09-10 喉罩有限公司 Endoscopy device
CN202505926U (en) * 2012-04-24 2012-10-31 李涛 Novel painless gastrointestinal endoscopy type double-cavity laryngeal mask
CN202777356U (en) * 2012-09-18 2013-03-13 江苏亚光医疗器械有限公司 Three-channel laryngeal mask
CN204017073U (en) * 2014-08-17 2014-12-17 曲大利 New medical Occluding device
CN204337461U (en) * 2014-12-19 2015-05-20 南方医科大学南方医院 With the infant trachea conduit of slip air bag bite-block
CN104606756A (en) * 2015-02-02 2015-05-13 河南科技大学第一附属医院 Fixing patch capable of fixing oropharynx breather pipe and tracheal cannula at the same time

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