CN203525102U - Laryngeal mask breather tube device - Google Patents
Laryngeal mask breather tube device Download PDFInfo
- Publication number
- CN203525102U CN203525102U CN201320560419.3U CN201320560419U CN203525102U CN 203525102 U CN203525102 U CN 203525102U CN 201320560419 U CN201320560419 U CN 201320560419U CN 203525102 U CN203525102 U CN 203525102U
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- China
- Prior art keywords
- drainage tube
- cover
- wall thickness
- functional areas
- laryngeal mask
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Abstract
The utility model discloses a laryngeal mask breather tube device which comprises a breather tube, a drainage tube and a hollow mask bag with an opening in the bottom. The rear end of the hollow cover bag is connected with the breather tube and the drainage tube, a drainage opening which is in fluid communication with the drainage tube is formed in the front end of the hollow cover bag, a breather opening which is in gas communication with the breather tube is formed in the hollow cover bag, the hollow cover bag is of an integral structure integrally formed by an inflatable back cover, a cover interior drainage tube and an inflatable sleeved bag sealing part, and the drainage tube is in fluid communication with the drainage tube through the cover interior drainage tube. The laryngeal mask breather tube device can reduce uneven burrs to the maximum extent, the production process can be simplified, and the production efficiency can be improved.
Description
Technical field
This utility model relates to medical instruments field, relates in particular to a kind of laryngeal mask snorkel device.
Background technology
Assisted respiartion ventilation is, when anaesthetizing sb. generally operation, surgical patient is carried out to assisted respiartion to keep the necessary means of General Anesthesia Undergoing hemodynamic stability, and laryngeal mask airway is the usual way of assisted respiartion ventilation, and laryngeal mask is equipment necessary in laryngeal mask airway.
The popularization of laryngeal mask and use are in order to overcome the intubate operating difficulties of tracheal intubation ventilating mode and easily to cause the shortcomings such as sensitivity response, realize the aeration of simple and convenient and lower the infringement to patient's laryngopharynx and respiratory mucosa.Prior art discloses the basic structure of laryngeal mask, mainly comprises the assemblies such as cover body, breather, drainage tube, bite-block, aerating device and joint.The structure of cover body is the key of laryngeal mask, cover body in prior art is to be formed with glue adhesion by independent parts such as cover, cover inner drainage tube and cuff sealing members, complex structure due to cover body, parts making and adhesion technique are all very complicated, therefore production efficiency is low, and easily leave out-of-flatness burr, in use procedure, still can cause stimulation even to damage to patient's pharyngolaryngeal mucosa.The patent No. is to disclose a kind of laryngeal mask airway devices and manufacture method in the formerly utility model patent of 200680018649.X, this patent by cover body by multi-part adhesion-molded change into cover and cover inner drainage tube (excretory duct) be integrally molded as cover body, and after cuff blow molding, be adhered to the sealing member that forms cover body on described cover body, this patent will be reduced to by two independent molded adhering components molding by the bonding cover body forming of glue by multi-part originally, greatly reduce cover body out-of-flatness burr, simplified processing technology simultaneously.But the cover body that this patent is made at least also exists the bonding operation of glue one, and may produce out-of-flatness burr, molded still comparatively complicated with assembly technology.
Utility model content
The purpose of this utility model is to provide a kind of laryngeal mask snorkel device, cover capsule out-of-flatness burr quantity can be reduced to minimumly, has optimized processing technology simultaneously, and production efficiency is significantly promoted.
For achieving the above object, this utility model provides a kind of laryngeal mask snorkel device, for inserting the glottis opening for patient in patient body, provide venting channels, it comprises breather, the hollow cap capsule of drainage tube and bottom opening, the rear end of described hollow cap capsule connects described breather and drainage tube, the front end of described hollow cap capsule is provided with the draining hole that keeps fluid communication with described drainage tube, in described hollow cap capsule, be provided with the blow vent that keeps gas communication with described breather, described hollow cap capsule is that the back of the body that comprises inflatable by disposal molding covers, the integral structure of the cuff sealing member of cover inner drainage tube and inflatable, described draining hole keeps fluid communication by described cover inner drainage tube and described drainage tube.
Preferably, the wall thickness of described cuff sealing member is 0.7-0.8mm, and the wall thickness of described back of the body cover is 1-1.1mm.
Preferably, described back of the body cover comprises the back of the body cover functional areas in outside and the cover functional areas of inner side, between described back of the body cover functional areas and described cover functional areas, form cavity, described cover offers described blow vent on functional areas, and the wall thickness of described cover functional areas is 1.5 to 2 times of described back of the body cover functional areas wall thickness.
Preferably, described cuff sealing member have and described back of the body cover functional areas in abutting connection with and the peripheral position that is integrally formed and be positioned at the position, inner circle of described hollow cap Nang Dibukaikouchu, the wall thickness of position, described inner circle and the wall thickness at described peripheral position are 1.5 to 2 times of wall thickness at all the other positions of described cuff sealing member.
Preferably, the upper wall that described cover inner drainage tube has lower wall and is integrally formed with described cover functional areas, described lower wall is 1.5 to 2 times of wall thickness at all the other positions of described lower wall at the wall thickness that approaches described draining hole position.
Preferably, it also comprises inflation line and bite-block, and between described breather and drainage tube and described inflation line, pad is provided with described bite-block, and described inflation line is communicated with described cuff sealing member.
Preferably, described breather, drainage tube and bite-block are one-body molded.
Compared with prior art, laryngeal mask snorkel device of the present utility model utilizes injection technique manufacture to obtain the back of the body cover that comprises inflatable, the integral type hollow cap capsule structure of covering the cuff sealing member of inner drainage tube and inflatable, therefore make described hollow cap capsule self without any bonding vestige causing because parts are bonding, cover capsule out-of-flatness burr quantity is reduced to minimum, guarantee the smooth and smooth and easy of its outer surface, at utmost reduced the frictionally damage of boil on the nape opposite the mouth pharyngeal mucosa when hollow cap capsule inserts patient throat; And simplified manufacturing process, reduced manufacturing cost, production efficiency is significantly promoted, effectively improved the quality assurance level of hollow cap capsule, improved the reliability of clinical use.
By following description also by reference to the accompanying drawings, it is more clear that this utility model will become, and these accompanying drawings are used for explaining embodiment of the present utility model.
Accompanying drawing explanation
Fig. 1 is the axonometric drawing of this utility model laryngeal mask snorkel device.
Fig. 2 is the upward view of Fig. 1.
Fig. 3 is the axonometric drawing of the hollow cap capsule of Fig. 1.
Fig. 4 is the upward view of Fig. 3.
Fig. 5 is the side view of Fig. 3.
Fig. 6 is the cutaway view of A-A ＇ position in Fig. 3.
The specific embodiment
With reference now to accompanying drawing, describe embodiment of the present utility model, in accompanying drawing, similarly element numbers represents similar element.
Please refer to Fig. 1-6, described laryngeal mask snorkel device provides venting channels for inserting the glottis opening for patient in patient body, and described laryngeal mask snorkel device comprises hollow cap capsule 3, inflation line 4 and the bite-block 5 of breather 1, drainage tube 2, bottom opening.
Specifically, the rear end of described hollow cap capsule 3 connects described breather 1, drainage tube 2 and inflation line 4, and the front end of described hollow cap capsule 3 is provided with the draining hole 3a that keeps fluid communication with described drainage tube 2.In described hollow cap capsule 3, be provided with the blow vent 3b that keeps gas communication with described breather 1.Described hollow cap capsule 3 is integral structures of the cuff sealing member 33 of the back of the body cover 31 that comprises inflatable, cover inner drainage tube 32 and inflatable by disposal molding.Described back of the body cover 31 is provided with described blow vent 3b.Described cuff sealing member 33 is provided with described draining hole 3a.Described draining hole 3a is communicated with described cover inner drainage tube 32, and keeps fluid communication by described cover inner drainage tube 32 and described drainage tube 2.Between described breather 1 and drainage tube 2 and described inflation line 4, pad is provided with described bite-block 5, and described breather 1, drainage tube 2 and bite-block 5 are one-body molded.Certainly, described breather 1, drainage tube 2 and bite-block 5 can be also to arrange separately.Described inflation line 4 is communicated with described cuff sealing member 33.
More specifically, the wall thickness of described back of the body cover 31 is 1-1.1mm.In specific embodiment, the wall thickness of described back of the body cover can be preferably 1mm, 1.05mm or 1.1mm.Described back of the body cover 31 comprises the back of the body cover functional areas 31a in outside and the cover functional areas 31b of inner side, between the 31aHe Zhao functional areas 31b of described back of the body cover functional areas, forms cavity 31c.On described cover functional areas 31b, offer described blow vent 3b.For avoiding described cover inner drainage tube 32 to give a discount, stop up cover inner drainage tube 32 tube chambers, to described cover, functional areas 31b thickeies design, and the wall thickness that makes described cover functional areas 31b is 1.5 to 2 times of described back of the body cover functional areas 31a wall thickness.In specific embodiment, the wall thickness of described cover functional areas 31b can be 1.5 times, 1.6 times, 1.7 times, 1.8 times, 1.9 times or 2 times of described back of the body cover functional areas 31a wall thickness.
The upper wall 32b that described cover inner drainage tube 32 has lower wall 32a and is integrally formed with described cover functional areas 31b.For avoiding described draining hole 3a oppressed obstruction when described hollow cap capsule 3 pressurizations are inflated, described lower wall 32a is thickeied to design approaching described draining hole 3a position, and making described lower wall 32a is 1.5 to 2 times of wall thickness at all the other positions of described lower wall 32a at the wall thickness that approaches described draining hole 3a position.In specific embodiment, described lower wall 32a can be 1.5 times, 1.6 times, 1.7 times, 1.8 times, 1.9 times or 2 times of wall thickness at all the other positions of described lower wall 32a at the wall thickness that approaches described draining hole 3a position.
The wall thickness of described cuff sealing member 33 is 0.7-0.8mm.In specific embodiment, the wall thickness of described cuff sealing member 33 can be preferably 0.7mm or 0.8mm.Described cuff sealing member 33 has and described back of the body cover functional areas 31a adjacency the peripheral position 33a being integrally formed and position, the inner circle 33b that is positioned at described hollow cap capsule 3 bottom opening places.For realizing described cuff sealing member 33, when inflating, described hollow cap capsule 3 can have good seal, can not block described blow vent 3b simultaneously, described inner circle position 33b and described peripheral position 33a are thickeied to design, and making the wall thickness of described inner circle position 33b and the wall thickness of described peripheral position 33a is 1.5 to 2 times of wall thickness at described cuff sealing member 33 all the other positions.In specific embodiment, the wall thickness of described inner circle position 33b and the wall thickness of described peripheral position 33a are 1.5 times, 1.6 times, 1.7 times, 1.8 times, 1.9 times or 2 times of wall thickness at described cuff sealing member 33 all the other positions.
When described hollow cap capsule 3 pressurization inflation, described cuff sealing member 33 and described back of the body cover 31 be full expansion just, the upper wall 32b position of described cover inner drainage tube 32 can be with stress flexural deformation, under the thickening effect of described cover functional areas 31b, can avoid described cover inner drainage tube 32 to give a discount and stop up the tube chamber of described cover inner drainage tube 32, and guaranteed that described cover functional areas 31b can not blocked described blow vent 3b by 33 extruding of cuff sealing member, guarantees the safety of ventilation; Under the thickening effect of described peripheral position 33aHe inner circle position 33b, define direction and the scope of the inflation of described cuff sealing member 33, can make described cuff sealing member 33 can have good seal, can not block described blow vent 3b simultaneously; At described cover inner drainage tube 32, have under the thickening effect that lower wall 32a approaches described draining hole 3a position, can avoid the oppressed obstruction of described draining hole 3a.
After described hollow cap capsule 3 inflations, and make the bottom contact of described hollow cap capsule 3 and seal larynx in the time of week, the part tympanites of described back of the body cover 31 contact maxillary forms reverse extrusion power, forms the effect of similar independent knapsack.Because described hollow cap capsule 3 is the integral structures by disposable injection moulding, appearance is without any bonding vestige, therefore can guarantee the smooth and smooth and easy of its outer surface, the frictionally damage of boil on the nape opposite the mouth pharyngeal mucosa while at utmost having reduced described hollow cap capsule 3 insertion patient throat; And when described hollow cap capsule 3 can effective sealing patient throat under high venting pressure, because only needing to keep lower air pressure just can realize good air-tightness in described hollow cap capsule 3, thereby farthest reduced the compression of 3 pairs of patient throats of described hollow cap capsule and ccavum oropharygeum mucosa blood capillary; And, described hollow cap capsule 3 passes through disposal molding, hollow cap capsule is compared to existing technology comprised of under state many parts, each spare part is assembled into a whole loaded down with trivial details technique by adhering method after manufacturing separately, greatly simplified manufacturing process, reduce manufacturing cost, effectively improved the quality assurance level of hollow cap capsule 3, improved the reliability of clinical use.
The manufacture method of described laryngeal mask snorkel device comprises the steps:
(1), a cover inner drainage tube moulding stick (not shown) is set in an injection molding (not shown), by the upper/lower die matched moulds of injection molding, make described cover inner drainage tube moulding stick reset simultaneously, fix each upper/lower die, adjusting prevents that matched moulds is eccentric, from this injection molding hole for injecting glue, in this injection molding, inject liquid-state silicon gel, after colloid solidifies, be molded into the integral type hollow cap capsule 3 with described back of the body cover 31, cover inner drainage tube 32 and cuff sealing member 33.
(2), colloid solidify after die sinking, and detach described cover inner drainage tube moulding stick, by after the described hollow cap capsule 3 turnup demouldings again turnup recover.
(3), after recovering, described hollow cap capsule 3 turnups also comprise the wall thickness that detects described back of the body cover 31, cover inner drainage tube 32 and cuff sealing member 33 each positions.
(4), described breather and drainage tube are connected to the rear end of described hollow cap capsule.In this step, respectively described breather 1 is connected to the breather interface 3c of described hollow cap capsule 3, described drainage tube 2 is connected to described drainage tube interface 3d, described inflation line 4 is connected to described inflatable interface 3f, and glue-injection reinforced.
Above combination most preferred embodiment is described this utility model, but this utility model is not limited to the embodiment of above announcement, and should contain the various modifications of carrying out according to essence of the present utility model, equivalent combinations.
Claims (7)
1. a laryngeal mask snorkel device, for inserting the glottis opening for patient in patient body, provide venting channels, it comprises breather, the hollow cap capsule of drainage tube and bottom opening, the rear end of described hollow cap capsule connects described breather and drainage tube, the front end of described hollow cap capsule is provided with the draining hole that keeps fluid communication with described drainage tube, in described hollow cap capsule, be provided with the blow vent that keeps gas communication with described breather, it is characterized in that: described hollow cap capsule is that the back of the body that comprises inflatable by disposal molding covers, the integral structure of the cuff sealing member of cover inner drainage tube and inflatable, described draining hole keeps fluid communication by described cover inner drainage tube and described drainage tube.
2. laryngeal mask snorkel device as claimed in claim 1, is characterized in that: the wall thickness of described cuff sealing member is 0.7-0.8mm, and the wall thickness of described back of the body cover is 1-1.1mm.
3. laryngeal mask snorkel device as claimed in claim 1, it is characterized in that: described back of the body cover comprises the back of the body cover functional areas in outside and the cover functional areas of inner side, between described back of the body cover functional areas and described cover functional areas, form cavity, described cover offers described blow vent on functional areas, and the wall thickness of described cover functional areas is 1.5 to 2 times of described back of the body cover functional areas wall thickness.
4. laryngeal mask snorkel device as claimed in claim 3, it is characterized in that: described cuff sealing member have and described back of the body cover functional areas in abutting connection with and the peripheral position that is integrally formed and be positioned at the position, inner circle of described hollow cap Nang Dibukaikouchu, the wall thickness of position, described inner circle and the wall thickness at described peripheral position are 1.5 to 2 times of wall thickness at all the other positions of described cuff sealing member.
5. laryngeal mask snorkel device as claimed in claim 3, it is characterized in that: the upper wall that described cover inner drainage tube has lower wall and is integrally formed with described cover functional areas, described lower wall is 1.5 to 2 times of wall thickness at all the other positions of described lower wall at the wall thickness that approaches described draining hole position.
6. laryngeal mask snorkel device as claimed in claim 1, is characterized in that: it also comprises inflation line and bite-block, and between described breather and drainage tube and described inflation line, pad is provided with described bite-block, and described inflation line is communicated with described cuff sealing member.
7. laryngeal mask snorkel device as claimed in claim 6, is characterized in that: described breather, drainage tube and bite-block are one-body molded.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320560419.3U CN203525102U (en) | 2013-09-10 | 2013-09-10 | Laryngeal mask breather tube device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320560419.3U CN203525102U (en) | 2013-09-10 | 2013-09-10 | Laryngeal mask breather tube device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203525102U true CN203525102U (en) | 2014-04-09 |
Family
ID=50411371
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320560419.3U Withdrawn - After Issue CN203525102U (en) | 2013-09-10 | 2013-09-10 | Laryngeal mask breather tube device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203525102U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103432670A (en) * | 2013-09-10 | 2013-12-11 | 广州维力医疗器械股份有限公司 | Laryngeal mask breather tube device and manufacturing method thereof |
| CN110548204A (en) * | 2019-10-12 | 2019-12-10 | 郭淑儿 | Integrated inflation-free laryngeal mask and production method thereof |
-
2013
- 2013-09-10 CN CN201320560419.3U patent/CN203525102U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103432670A (en) * | 2013-09-10 | 2013-12-11 | 广州维力医疗器械股份有限公司 | Laryngeal mask breather tube device and manufacturing method thereof |
| WO2015035743A1 (en) * | 2013-09-10 | 2015-03-19 | 广州维力医疗器械股份有限公司 | Laryngeal mask breather tube apparatus and manufacturing method therefor |
| CN103432670B (en) * | 2013-09-10 | 2015-06-10 | 广州维力医疗器械股份有限公司 | Laryngeal mask breather tube device and manufacturing method thereof |
| CN110548204A (en) * | 2019-10-12 | 2019-12-10 | 郭淑儿 | Integrated inflation-free laryngeal mask and production method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20140409 Effective date of abandoning: 20150610 |
|
| RGAV | Abandon patent right to avoid regrant |