CN208049153U - Laryngeal mask - Google Patents
Laryngeal mask Download PDFInfo
- Publication number
- CN208049153U CN208049153U CN201721923822.2U CN201721923822U CN208049153U CN 208049153 U CN208049153 U CN 208049153U CN 201721923822 U CN201721923822 U CN 201721923822U CN 208049153 U CN208049153 U CN 208049153U
- Authority
- CN
- China
- Prior art keywords
- trunnion
- cover capsule
- laryngeal mask
- drainage
- gas
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 239000002775 capsule Substances 0.000 claims abstract description 49
- 238000013022 venting Methods 0.000 claims abstract description 34
- 238000009423 ventilation Methods 0.000 claims abstract description 21
- 230000003014 reinforcing effect Effects 0.000 claims description 5
- 239000013013 elastic material Substances 0.000 claims description 3
- 230000003519 ventilatory effect Effects 0.000 abstract description 6
- 230000002262 irrigation Effects 0.000 abstract 1
- 238000003973 irrigation Methods 0.000 abstract 1
- 206010067171 Regurgitation Diseases 0.000 description 5
- 239000000126 substance Substances 0.000 description 5
- 230000006378 damage Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 238000005273 aeration Methods 0.000 description 2
- 238000010992 reflux Methods 0.000 description 2
- 208000012260 Accidental injury Diseases 0.000 description 1
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 210000004556 brain Anatomy 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012279 drainage procedure Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 210000003238 esophagus Anatomy 0.000 description 1
- 210000004704 glottis Anatomy 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 210000000867 larynx Anatomy 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 210000003205 muscle Anatomy 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 230000029058 respiratory gaseous exchange Effects 0.000 description 1
- 210000002345 respiratory system Anatomy 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 210000002784 stomach Anatomy 0.000 description 1
- 238000002627 tracheal intubation Methods 0.000 description 1
Landscapes
- Media Introduction/Drainage Providing Device (AREA)
Abstract
The utility model discloses a kind of laryngeal masks,Its drip irrigation device includes cover capsule,Trunnion and gas tube,One end of the trunnion is connected to the inner cavity of the cover capsule,Venting cavity and the drainage lumens parallel with the venting cavity are provided in the trunnion,The drainage lumens are opened on the tip of the cover capsule by the cover capsule and setting,The gas tube is connected to the cover capsule,The one end of the trunnion far from the cover capsule is extended with connecting tube,Opening of the connecting tube far from described trunnion one end is provided with connector,The connector includes ventilation pipe and the drainage pipe with the ventilation pipe integrally connected,One end of the ventilation pipe and the air inlet of the venting cavity are inconsistent,One end of the drainage pipe extends in the drainage lumens,The utility model drainage lumens and venting cavity can be isolated in snorkel,Ensure that the ventilatory effect of venting cavity is unaffected.
Description
Technical field
The utility model belongs to medical device technical field, and more specifically it is related to a kind of laryngeal mask.
Background technology
Laryngeal mask is that Brain invents and advocate first a kind of device ventilated using glottis external square type used in nineteen eighty-three,
In order to improve the clinical application effect of laryngeal mask, has the laryngeal mask of three types at present：The first is Standard laryngeal mask airway, and at present
Clinical the most commonly used laryngeal mask, basic structure have cover capsule, air passage and the gas tube inflated for cover capsule, are mainly used for maintaining breathing
Road function cannot carry out drainage procedure；It is for second the Special laryngeal mask of guidance tracheal intubation；The third is drainage laryngeal mask, is removed
For maintaining outside respiratory tract function, it is additionally operable to drain esophageal regurgitation substance, structure is similar to common laryngeal mask, only increases
A drainage lumens parallel with venting cavity are added, drainage lumens are by cover capsule and are opened on the tip of cover capsule, when in use tip meeting
Esophagus is blocked, and is drained reflux object and stomach by being open.
Currently, the Chinese patent that notification number is CN204709579U discloses a kind of Medical throat cover, it includes that cover body and trunnion fill
The edge of tracheae, cover body is equipped with air bag, and air bag is connected with airbag inflation pipe, and airbag inflation pipe is connected with pilot balloon,
Pilot balloon is connected with airbag aeration connector, and gas bleeder valve is provided between airbag aeration connector and pilot balloon, and trunnion gas tube is set
There are drainage lumens and venting cavity, the inlet port of trunnion gas tube is connected with to be led to drainage lumens and the matched trunnion of venting cavity difference
Gas connector.
It is similar to a kind of above-mentioned Medical throat cover in the prior art, drainage lumens can be used in when in use to esophageal regurgitation
Substance is drained, and since drainage lumens and venting cavity are arranged at trunnion gas tube, to be easy to cause the food in drainage lumens
Road reflux substance flows into venting cavity, influences ventilatory effect.
Utility model content
In view of the deficienciess of the prior art, the purpose of this utility model is to provide a kind of laryngeal mask, can ventilate
Drainage lumens and venting cavity are isolated in pipe, it is ensured that the ventilatory effect of venting cavity is unaffected.
To achieve the above object, the utility model provides following technical solution：A kind of laryngeal mask, including cover capsule, trunnion and
Gas tube, one end of the trunnion are connected to the inner cavity of the cover capsule, be provided in the trunnion venting cavity and with the ventilation
The parallel drainage lumens of chamber, the drainage lumens are opened on the tip of the cover capsule, the gas tube and institute by the cover capsule and setting
The connection of cover capsule is stated, the one end of the trunnion far from the cover capsule is extended with connecting tube, and the connecting tube is far from described trunnion one end
Opening be provided with connector, the connector includes ventilation pipe and the drainage tube with the ventilation pipe integrally connected
Road, one end of the ventilation pipe and the air inlet of the venting cavity are inconsistent, and one end of the drainage pipe extends to described
In drainage lumens.
By using above-mentioned technical proposal, before laryngeal mask is put into the throat of patient, connector is first plugged on connecting tube
It is interior, and drainage pipe is entered in drainage lumens, ventilation pipe is connected to the air inlet of venting cavity.Therefore, laryngeal mask is being used
When venting cavity and drainage lumens can be made mutually isolated, so as to avoid esophageal regurgitation substance in drainage lumens from flowing into venting cavity,
And then it can ensure that the ventilatory effect of venting cavity is unaffected.
The utility model is further arranged to：The lateral wall of the ventilation pipe and drainage pipe is both provided with increasing and rubs layer.
By using above-mentioned technical proposal, increasing the setting of the layer that rubs, can to improve ventilation pipe and drainage pipe solid with connecting tube
The stability of timing.
The utility model is further arranged to：Opening shape of the connecting tube far from described trunnion one end and the connection
The shape of head matches.
By using above-mentioned technical proposal, since the opening shape of connecting tube and the shape of connector match, so as to
Enough reinforce fixed effect when connector is installed with connecting tube, connector is avoided to generate loosening when in use.
The utility model is further arranged to：The trunnion is made of elastic material, and the venting cavity and drainage lumens
Inner wall is both provided with the reinforcing rib along length of throat directional spreding.
By using above-mentioned technical proposal, trunnion can be adapted to by being bent with the venturi of patient, and pass through reinforcement
The setting of muscle can reinforce the inner structural strength of trunnion.
The utility model is further arranged to：Side of the trunnion far from the cover capsule is provided with bite-block block.
By using above-mentioned technical proposal, during use, patient can be avoided directly to be engaged in by bite-block block
The outer wall of trunnion, so as to prevent tooth from being damaged to trunnion.
The utility model is further arranged to：The through-hole passed through for the gas tube is provided on the bite-block block.
By using above-mentioned technical proposal, the setting of through-hole can limit gas tube, while can avoid patient
Tooth gas tube is damaged, and then influence cover capsule and venturi sealing effect.
The utility model is further arranged to：The one end of the gas tube far from the cover capsule is provided with gas-charging connection and refers to
Show that air bag, the pilot balloon are set between the gas-charging connection and the tube body of gas tube.
By using above-mentioned technical proposal, the setting of gas-charging connection can be convenient for carrying out inflation/deflation to cover capsule, and due to referring to
Show that air bag is communicated with cover capsule, i.e. air pressure in pilot balloon is identical as the air pressure in cover capsule, to by observing pilot balloon energy
It is enough to judge to cover intracapsular gas flow.
The utility model is further arranged to：Unidirectional charge valve is provided in the gas-charging connection.
By using above-mentioned technical proposal, the air pressure that the setting of unidirectional charge valve can make cover intracapsular keeps stablizing, that is, exists
When laryngeal mask is successfully mounted on patient, it can avoid user's maloperation that cover capsule is caused to lose heart and cause unexpected damage to patient
Wound.
In conclusion the utility model has the following advantages：
1, by the way that connector is arranged that venting cavity and drainage lumens is mutually isolated, the esophageal regurgitation object in drainage lumens can be avoided
Mass flow enters venting cavity, and the ventilatory effect so as to ensure venting cavity is unaffected；
2, patient can be avoided directly to be engaged in the outer wall of trunnion by the way that bite-block block is arranged, tooth is avoided to cause to damage to trunnion
It is bad.
Description of the drawings
Fig. 1 is the structural schematic diagram of the present embodiment；
Fig. 2 is the exploded perspective view of the present embodiment.
Reference sign：1, cover capsule；2, trunnion；3, gas tube；4, venting cavity；5, drainage lumens；6, connecting tube；7, it connects
Head；8, ventilation pipe；9, drainage pipe；10, increase the layer that rubs；11, reinforcing rib；12, bite-block block；13, through-hole；14, gas-charging connection；
15, pilot balloon；16, unidirectional charge valve.
Specific implementation mode
The utility model is described in further detail below in conjunction with attached drawing.
Embodiment, a kind of laryngeal mask, as illustrated in fig. 1 and 2, including cover capsule 1, trunnion 2 and gas tube 3, one end of trunnion 2 and cover
The inner cavity of capsule 1 is connected to, and is provided with venting cavity 4 and the drainage lumens 5 parallel with venting cavity 4 in trunnion 2, drainage lumens 5 by cover capsule 1 simultaneously
If being opened on the tip of cover capsule 1, one end of gas tube 3 is connected to cover capsule 1.
As shown in Fig. 2, the one end of trunnion 2 far from cover capsule 1 is extended with connecting tube 6, connecting tube 6 is opened far from 2 one end of trunnion
Connector 7 is plugged at mouthful, connector 7 includes ventilation pipe 8 and the drainage pipe 9 with 8 integrally connected of ventilation pipe, snorkel
The one end in road 8 and the air inlet of venting cavity 4 are inconsistent, and one end of drainage pipe 9 extends in drainage lumens 5.Therefore, larynx is being used
Venting cavity 4 and drainage lumens 5 can be mutually isolated when cover, so as to avoid the esophageal regurgitation substance in drainage lumens 5 from flowing into ventilation
Chamber 4, it is ensured that the ventilatory effect of venting cavity 4 is unaffected.
As shown in Fig. 2, the shape of opening shape and connector 7 of the connecting tube 6 far from 2 one end of trunnion matches, so as to
Enough reinforce fixed effect when connector 7 is installed with connecting tube 6, connector 7 is avoided to generate loosening when in use；And in snorkel
The lateral wall of road 8 and drainage pipe 9 is both provided with increasing and rubs layer 10, and ventilation pipe 8 and drainage tube can be improved by increasing the layer 10 that rubs
Stability when road 9 is fixed with connecting tube 6.
As shown in Fig. 2, trunnion 2 is made of elastic material, and venting cavity 4 and the inner wall of drainage lumens 5 are both provided with along trunnion 2
The reinforcing rib 11 of length direction distribution, can reinforce the inner structural strength of trunnion 2 by the setting of reinforcing rib 11.
As shown in Fig. 2, side of the trunnion 2 far from cover capsule 1 is provided with bite-block block 12, bite-block block 12 is socketed in the outer of trunnion 2
It side and is interference fitted with trunnion 2, patient can be avoided directly to be engaged in the outer wall of trunnion 2 by bite-block block 12, so as to anti-
Only tooth damages trunnion 2；Be provided on bite-block block 12 for gas tube 3 by through-hole 13, the setting of through-hole 13 can
Gas tube 3 is limited, while the tooth of patient can also be avoided to damage gas tube 3.
As shown in Fig. 2, the one end of gas tube 3 far from cover capsule 1 is connected with gas-charging connection 14 and pilot balloon 15, pilot balloon
15 are connected between gas-charging connection 14 and the tube body of gas tube 3, can be convenient for carrying out charge and discharge to cover capsule 1 by gas-charging connection 14
Gas, and since pilot balloon 15 is communicated with cover capsule 1, i.e. air pressure in pilot balloon 15 is identical as the air pressure in cover capsule 1, to logical
Gas flow in cover capsule 1 can be judged by crossing observation pilot balloon 15.
Specifically, as shown in Fig. 2, be provided with unidirectional charge valve 16 in gas-charging connection 14, it can by unidirectional charge valve 16
Make the air pressure in cover capsule 1 keep stablizing, i.e., when laryngeal mask is successfully mounted on patient, user's maloperation can be avoided to cause
Cover capsule 1 loses heart and causes accidental injury to patient.
Operation principle described above：Before laryngeal mask is put into the throat of patient, first connector 7 is plugged in connecting tube 6,
And drainage pipe 9 is entered in drainage lumens 5, ventilation pipe 8 is connected to the air inlet of venting cavity 4, in order to by venting cavity 4
It is isolated with drainage lumens 5, then the cover capsule 1 in air deflating state is inserted into patient throat, and by unidirectional charge valve 16 to cover capsule 1
Inflation makes the expansion of cover capsule 1 until resist patient throat so that patient can ensure to exhale by trunnion 2 it is unobstructed.
The above is only the preferred embodiment of the present invention, is not intended to limit the utility model, all in this practicality
Within novel design concept, any modification, equivalent replacement, improvement and so on should be included in the protection of the utility model
Within the scope of.
Claims (8)
1. a kind of laryngeal mask, including cover capsule (1), trunnion (2) and gas tube (3), one end of the trunnion (2) and the cover capsule (1)
Inner cavity connection, is provided with venting cavity (4) and the drainage lumens parallel with the venting cavity (4) (5) in the trunnion (2), it is described
Drainage lumens (5) are opened on the tip of the cover capsule (1), the gas tube (3) and the cover capsule by the cover capsule (1) and setting
(1) it is connected to, it is characterised in that：The one end of the trunnion (2) far from the cover capsule (1) is extended with connecting tube (6), the connecting tube
(6) opening far from the trunnion (2) one end is provided with connector (7), the connector (7) include ventilation pipe (8) and
With the drainage pipe (9) of the ventilation pipe (8) integrally connected, one end and the venting cavity (4) of the ventilation pipe (8)
Air inlet is inconsistent, and one end of the drainage pipe (9) extends in the drainage lumens (5).
2. laryngeal mask according to claim 1, it is characterised in that：The lateral wall of the ventilation pipe (8) and drainage pipe (9)
Increasing is both provided with to rub layer (10).
3. laryngeal mask according to claim 1, it is characterised in that：The connecting tube (6) opening far from the trunnion (2) one end
Mouth-shaped and the shape of the connector (7) match.
4. laryngeal mask according to claim 1, it is characterised in that：The trunnion (2) is made of elastic material, and the ventilation
Chamber (4) and the inner wall of drainage lumens (5) are both provided with the reinforcing rib (11) being distributed along trunnion (2) length direction.
5. laryngeal mask according to claim 1, it is characterised in that：Side of the trunnion (2) far from the cover capsule (1) is arranged
There is bite-block block (12).
6. laryngeal mask according to claim 5, it is characterised in that：It is provided on the bite-block block (12) for the gas tube
(3) through-hole (13) passed through.
7. laryngeal mask according to claim 1, it is characterised in that：The one end of the gas tube (3) far from the cover capsule (1) is set
It is equipped with gas-charging connection (14) and pilot balloon (15), the pilot balloon (15) is set to the gas-charging connection (14) and gas tube
(3) between tube body.
8. laryngeal mask according to claim 7, it is characterised in that：It is provided with unidirectional charge valve in the gas-charging connection (14)
(16)。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721923822.2U CN208049153U (en) | 2017-12-29 | 2017-12-29 | Laryngeal mask |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721923822.2U CN208049153U (en) | 2017-12-29 | 2017-12-29 | Laryngeal mask |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208049153U true CN208049153U (en) | 2018-11-06 |
Family
ID=63995319
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721923822.2U Expired - Fee Related CN208049153U (en) | 2017-12-29 | 2017-12-29 | Laryngeal mask |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208049153U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110292690A (en) * | 2019-02-02 | 2019-10-01 | 长沙迈吉尔医疗科技有限公司 | Connector, laryngeal mask main body and the laryngeal mask of laryngeal mask |
| CN110448772A (en) * | 2019-09-20 | 2019-11-15 | 成都市第二人民医院 | Go deep into accurate drug delivery device and medication based on division of respiratory disease |
-
2017
- 2017-12-29 CN CN201721923822.2U patent/CN208049153U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110292690A (en) * | 2019-02-02 | 2019-10-01 | 长沙迈吉尔医疗科技有限公司 | Connector, laryngeal mask main body and the laryngeal mask of laryngeal mask |
| CN110448772A (en) * | 2019-09-20 | 2019-11-15 | 成都市第二人民医院 | Go deep into accurate drug delivery device and medication based on division of respiratory disease |
| CN110448772B (en) * | 2019-09-20 | 2021-09-14 | 成都市第二人民医院 | Deep and accurate drug delivery device and drug delivery method based on respiration department |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181106 |