CN102872512A - Medical laryngeal mask airway - Google Patents

Medical laryngeal mask airway Download PDF

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Publication number
CN102872512A
CN102872512A CN2012103832180A CN201210383218A CN102872512A CN 102872512 A CN102872512 A CN 102872512A CN 2012103832180 A CN2012103832180 A CN 2012103832180A CN 201210383218 A CN201210383218 A CN 201210383218A CN 102872512 A CN102872512 A CN 102872512A
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China
Prior art keywords
tube body
transparent tube
laryngeal mask
cuff
catheter
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CN2012103832180A
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Chinese (zh)
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CN102872512B (en
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蔡靓羽
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Abstract

The invention relates to a medical laryngeal mask airway, in particular to a laryngeal mask airway sleeve capsule which can be used for clinical anesthesia or used after a tube is inserted into a trachea during emergency treatment. The medical laryngeal mask airway comprises a tube body, wherein a sleeve capsule is arranged near an opening at the front end of the tube body; a bulge is formed on the top of the sleeve capsule and is connected with an inflation catheter; one end of the inflation catheter is communicated with the sleeve capsule, and the other end of the inflation catheter is connected with a connection fixing sleeve; the connection fixing sleeve comprises an extrusion type inflation capsule and a fixing sleeve; a check valve is arranged in the fixing sleeve; the inflation catheter is also provided with a branch tube; and the branch tube is connected with a pressure detection and air leakage device. The medical laryngeal mask airway has a reasonable structure, the original air sac of the laryngeal mask airway is improved, and the inflation part of the air sac is modified in a mode that a one-way (outlet) air valve is arranged close to a catheter end and a one-way (inlet) air valve is arranged at the inflation end; and the air sac is only required to be extruded by a hand after the tube is inserted into the trachea, so that air flows into the sleeve capsule at the front end of the catheter. The pressure measurement and air leakage device is arranged at one end of the original air sac close to the catheter. The medical laryngeal mask airway is convenient to operate and is time-saving and labor-saving, so that opportunity is provided for emergency treatment of patients.

Description

A kind of Medical throat cover
Technical field
The present invention relates to a kind of Medical throat cover, a kind of laryngeal mask cuff after the tracheal intubation success when can be used in clinical anesthesia or first aid belongs to technical field of medical instruments specifically.
Background technology
When clinical anesthesia or first aid, the suitable cuff pressure of laryngeal mask can be avoided the tracheal mucosa damage, reduces artificial airway's mechanical ventilation complication.After the tracheal intubation success, the cuff of endotracheal tube needs inflation, and the cuff of endotracheal tube need to keep suitable pressure (150 ~ 250 millimeter of water), to avoid the tunica mucosa tracheae damage, reduces artificial airway's mechanical ventilation complication.At present in clinical anesthesia or the rescue service, after the Intubation success, need to inflate cuff for endotracheal catheter by air bag with the preprepared one-shot injector, such operation is more loaded down with trivial details, and increase syringe consumables cost, in addition and the pressure in the cuff can't measure, only judge that with doctor's experience and sensation safety is not high.
Summary of the invention
The object of the invention is to overcome above-mentioned weak point, a kind of laryngeal mask sleeve bag gas-filling after the tracheal intubation success during for clinical anesthesia or first aid is provided, loses heart and pressure measurement, belong to technical field of medical instruments.
According to technical scheme provided by the invention, a kind of Medical throat cover, comprise body, be provided with cuff near the described body front opening, described cuff top is provided with a projection, and projection connects an inflating catheter, described airway is connected with cuff, the described inflating catheter other end be connected and fixed cover and link to each other, be connected and fixed to overlap and comprise a squash type gas cell and a fixed cover, be provided with a check valve in the fixed cover.
An arm also is set on the described inflating catheter, and arm links to each other with the pressure measurement air releasing device.
Described pressure measurement air releasing device comprises transparent tube body, and described transparent tube body front end is provided with air vent, and nonreturn valve core is housed in the air vent, and described nonreturn valve core blocks air vent when not being subjected to pressure on top surface; A hollow bellows is housed in the described transparent tube body, and this hollow bellows one end is fixed on the inwall of transparent tube body rear end, and hollow bellows inside communicates with ambient atmosphere by the aperture on the transparent tube body aft bulkhead; Described transparent tube body rear end is provided with air inlet, and described air inlet is connected with arm; Syringe back down check valve by the squash type gas cell to sleeve bag gas-filling after, the pressure in the cuff is greater than external atmospheric pressure, hollow bellows is compressed, described transparent tube body outer wall is provided with the indicating graduation with hollow bellows corresponding matching.
Described body is used for the anesthetics injection.
The present invention has following advantage: the present invention is rational in infrastructure, the place makes improvements at former laryngeal mask air bag, nearly catheter end is revised as at the airbag aeration place unidirectional (outlet) flap valve, the inflation end has the air bag of unidirectional (import) flap valve, only need after the intubate success to use the hands extruding gasbag, make air enter the cuff of catheter proximal end.The nearly catheter end of former air bag adds a pressure measurement, air releasing device.Easy to operate and time saving and energy saving, patient wins opportunity for emergency aid and treatment.
Description of drawings
Fig. 1 structural front view of the present invention.
Fig. 2 structure left view of the present invention.
Fig. 3 partial enlarged drawing of the present invention.
Description of reference numerals: 1, body, 2, inflating catheter, 2a, arm, 3, cuff, 4, be connected and fixed cover, 5, the squash type gas cell, 6, fixed cover, 7, check valve, 8, pressure measurement air releasing device, 8a, transparent tube body, 8b, nonreturn valve core, 8c, hollow bellows.
The specific embodiment
Shown in Fig. 1 ~ 3, a kind of Medical throat cover, comprise body 1, be provided with cuff 3 near described body 1 front opening, described cuff 3 tops are provided with a projection, and projection connects an inflating catheter 2, described airway 2 is connected with cuff 3, it is characterized in that: described inflating catheter 2 other ends be connected and fixed cover and 4 link to each other, be connected and fixed and overlap 4 and comprise a squash type gas cell 5 and a fixed cover 6, be provided with a check valve 7 in the fixed cover 6.
An arm 2a also is set on the described inflating catheter 2, and arm 2a links to each other with pressure measurement air releasing device 8.
Described pressure measurement air releasing device 8 comprises transparent tube body 8a, and described transparent tube body 8a front end is provided with air vent, and nonreturn valve core 8b is housed in the air vent, and described nonreturn valve core 8b blocks air vent when not being subjected to pressure on top surface; A hollow bellows 8c is housed in the described transparent tube body 8a, and this hollow bellows 8c one end is fixed on the inwall of transparent tube body 8a rear end, and hollow bellows 8c inside communicates with ambient atmosphere by the aperture on the transparent tube body 8a aft bulkhead; Described transparent tube body 8a rear end is provided with air inlet, and described air inlet is connected with arm 2a; Syringe back down check valve 7 by squash type gas cell 5 to cuff 3 inflations after, pressure in the cuff 3 is greater than external atmospheric pressure, hollow bellows 8c is compressed, and described transparent tube body 8a outer wall is provided with the indicating graduation with hollow bellows 8c corresponding matching.
Described body 1 is used for the anesthetics injection.
During clinical practice of the present invention, at first with the 6%(Rule that meets GB/T1962.1 regulation) syringe of outer cone joint backs down air valve and takes out gas in the most laryngeal mask cuff 3, at the lubricant of the laryngeal mask back of the body point a small amount of water soluble of coating (or normal saline), clamp laryngeal mask with pen gripping type on the other hand.Patient's mouth is opened, put the back of the body tip of laryngeal mask in the rear portion of front side tooth, sequentially enter backward along hard, soft palate with the auxiliary laryngeal mask of forefinger, continue after the head direction, to be depressed into lower pharyngeal cavity section until feel to have till the characteristic resistance (prompting arrives Upper esophageal sphincter).Before removing forefinger, gently push down inflating catheter 2 with another have gentle hands, to prevent the laryngeal mask displacement.
6%(Rule with compound GB/T1962.1 regulation) syringe in outer cone street corner backs down air valve and is inflated to pilot balloon and shows that without pressure (aeration quantity can not surpass the maximum that shows at most) insert bite-block, the fixed position keeps ventilation.
Finely tune inflation by squash type gas cell 5, and monitor capsules by pressure measurement air releasing device 8 and overlap 3 pressure, because the interior hollow bellows 8c space outerpace of cuff 3 and pressure measurement air releasing device 8 transparent tube body 8a is connected, hollow bellows 8c in the transparent tube body 8a is compressed under pressure, its compression degree is larger, illustrate that intracapsular pressure is larger, pressure in the air bag can be indicated by the indicating graduation on the transparent tube body 8a outer wall, the pressure in the cuff 3 can be controlled at proper level in conjunction with indicating graduation.
After use finishing, back down with the syringe of outer cone joint and can pull out laryngeal mask after air valve is taken out the interior gas of most laryngeal mask.

Claims (4)

1. Medical throat cover, comprise body (1), be provided with cuff (3) near described body (1) front opening, described cuff (3) top is provided with a projection, projection connects an inflating catheter (2), described airway (2) is connected with cuff (3), it is characterized in that: described inflating catheter (2) other end be connected and fixed cover (4) and link to each other, be connected and fixed cover (4) and comprise a squash type gas cell (5) and a fixed cover (6), be provided with a check valve (7) in the fixed cover (6).
2. Medical throat cover as claimed in claim 1, it is characterized in that: an arm (2a) also is set on the described inflating catheter (2), and arm (2a) links to each other with pressure measurement air releasing device (8).
3. Medical throat cover as claimed in claim 2, it is characterized in that: described pressure measurement air releasing device (8) comprises transparent tube body (8a), described transparent tube body (8a) front end is provided with air vent, nonreturn valve core (8b) is housed in the air vent, and described nonreturn valve core (8b) blocks air vent when not being subjected to pressure on top surface; A hollow bellows (8c) is housed in the described transparent tube body (8a), this hollow bellows (8c) end is fixed on the inwall of transparent tube body (8a) rear end, and hollow bellows (8c) is inner to communicate with ambient atmosphere by the aperture on transparent tube body (8a) aft bulkhead; Described transparent tube body (8a) rear end is provided with air inlet, and described air inlet is connected with arm (2a); Syringe backs down check valve (7) give cuff (3) inflation by squash type gas cell (5) after, pressure in the cuff (3) is greater than external atmospheric pressure, (8c) is compressed for hollow bellows, and described transparent tube body (8a) outer wall is provided with the indicating graduation with hollow bellows (8c) corresponding matching.
4. such as Medical throat cover as described in one of claim 1 ~ 3, it is characterized in that: described body (1) is used for the anesthetics injection.
CN201210383218.0A 2012-10-10 2012-10-10 Medical laryngeal mask airway Active CN102872512B (en)

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CN102872512A true CN102872512A (en) 2013-01-16
CN102872512B CN102872512B (en) 2015-04-15

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104667395A (en) * 2013-11-29 2015-06-03 广州耀远实业有限公司 Laryngeal mask airbag pressure detector and laryngeal mask device
CN104667396A (en) * 2013-11-29 2015-06-03 广州耀远实业有限公司 Novel safety three channel laryngeal mask
WO2018045555A1 (en) * 2016-09-09 2018-03-15 Covidien Lp Pressure control device for cuffed endotracheal tubes and laryngeal masks
CN111514419A (en) * 2019-02-02 2020-08-11 李大庆 Video distal end holds subassembly and has its laryngeal mask main part, laryngeal mask
CN113425244A (en) * 2021-06-25 2021-09-24 广西医科大学第二附属医院(广西医科大学第二临床医学院) Sclera measuring device

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003235979A (en) * 2002-02-21 2003-08-26 Tomoya Nagata Pharynx surgery using improved laryngeal mask
US20040020491A1 (en) * 2001-11-08 2004-02-05 Fortuna Anibal De Oliveira Combination artificial airway device and esophageal obturator
CN201001897Y (en) * 2007-02-12 2008-01-09 天津美迪斯医疗用品有限公司 Throat cover
CN201088763Y (en) * 2007-11-09 2008-07-23 顾宗英 Tracheal cannula
CN201179260Y (en) * 2008-04-15 2009-01-14 天津美迪斯医疗用品有限公司 Air chamber pressure indicator
CN201744045U (en) * 2010-08-09 2011-02-16 邹德伟 Esophagus-blocking type double-sac laryngeal cover
US20110061658A1 (en) * 2009-08-12 2011-03-17 Robert Koorn Oropharyngeal devices for use in ventilating patients
CN202982844U (en) * 2012-10-10 2013-06-12 蔡靓羽 Medical laryngeal mask

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20040020491A1 (en) * 2001-11-08 2004-02-05 Fortuna Anibal De Oliveira Combination artificial airway device and esophageal obturator
JP2003235979A (en) * 2002-02-21 2003-08-26 Tomoya Nagata Pharynx surgery using improved laryngeal mask
CN201001897Y (en) * 2007-02-12 2008-01-09 天津美迪斯医疗用品有限公司 Throat cover
CN201088763Y (en) * 2007-11-09 2008-07-23 顾宗英 Tracheal cannula
CN201179260Y (en) * 2008-04-15 2009-01-14 天津美迪斯医疗用品有限公司 Air chamber pressure indicator
US20110061658A1 (en) * 2009-08-12 2011-03-17 Robert Koorn Oropharyngeal devices for use in ventilating patients
CN201744045U (en) * 2010-08-09 2011-02-16 邹德伟 Esophagus-blocking type double-sac laryngeal cover
CN202982844U (en) * 2012-10-10 2013-06-12 蔡靓羽 Medical laryngeal mask

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104667395A (en) * 2013-11-29 2015-06-03 广州耀远实业有限公司 Laryngeal mask airbag pressure detector and laryngeal mask device
CN104667396A (en) * 2013-11-29 2015-06-03 广州耀远实业有限公司 Novel safety three channel laryngeal mask
WO2015078203A1 (en) * 2013-11-29 2015-06-04 广州耀远实业有限公司 Laryngeal mask balloon pressure detection device and laryngeal mask device
WO2018045555A1 (en) * 2016-09-09 2018-03-15 Covidien Lp Pressure control device for cuffed endotracheal tubes and laryngeal masks
CN111514419A (en) * 2019-02-02 2020-08-11 李大庆 Video distal end holds subassembly and has its laryngeal mask main part, laryngeal mask
CN111514419B (en) * 2019-02-02 2023-08-04 李大庆 Far-end subassembly and have its laryngeal mask main part, laryngeal mask are held to video
CN113425244A (en) * 2021-06-25 2021-09-24 广西医科大学第二附属医院(广西医科大学第二临床医学院) Sclera measuring device

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