CN202128788U - Air bag aerating device of artificial air duct - Google Patents
Air bag aerating device of artificial air duct Download PDFInfo
- Publication number
- CN202128788U CN202128788U CN201120168485U CN201120168485U CN202128788U CN 202128788 U CN202128788 U CN 202128788U CN 201120168485 U CN201120168485 U CN 201120168485U CN 201120168485 U CN201120168485 U CN 201120168485U CN 202128788 U CN202128788 U CN 202128788U
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- shell portion
- air bag
- air
- opening
- relief valve
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Abstract
The utility model relates to the air bag aerating device of an artificial air duct, which is used for connecting the air bag of the inner tube of a trachea and outputting air to the air bag of the inner tube of the trachea so as to realize the expansion of the air bag. The air bag aerating device of an artificial air duct comprises an air feeding member, a communicating tube and a relief valve. The air feeding member comprises an air delivery port. The air feeding member is operated, so that air is outputted through the air delivery port. The communicating tube is connected with the air feeding member and the air bag of the inner tube of a trachea so as to form a first air flow channel for communicating the air delivery port with the air bag of the inner tube of the trachea and a second air flow channel for communicating the first air flow channel with the outside. The relief valve arranged inside the communicating tube seals the second air flow channel at a normal state. The relief valve can be forced to open the second air flow channel, so that air in the first air flow channel flows to the outside through the second air flow channel. Due to the arrangement of the relief valve, the excessive air-filled phenomenon of the air bag of the inner tube of a tracheae in the prior art is greatly reduced.
Description
Technical field
This utility model relates to a kind of charger, particularly relates to a kind of artificial airway's gas generator for air bag that is used for the endotracheal tube air bag.
Background technology
In the field of respiratory therapy, in the face of the sufferer regular meeting of respiratory failure utilizes tracheal intubation to do emergency treatment, mainly be after a body front end connects an air bag, to stretch in the trachea of sufferer, carry out making this airbag inflation after gas pushes and following 2 effects are provided:
1. provide positive-pressure type to breathe, can be after airbag aeration expands with the gas port sealing of sufferer, so when carrying out artificial gas transmission, gas can be sent into the pulmonary of sufferer fully and not leak outside.
2. prevention aspiration pneumonitis; Since this type of sufferer take place easily secretions along with the body following current advance pulmonary or vomitus choke in the lung etc. cause the probability of asphyxiation hazard; Therefore, by the inflation of air bag so that the gas port sealing of sufferer is significantly reduced the probability that takes place.
But because trachea has it flexible restricted; Therefore if after intubate; The excessive inflation of air bag then possibly caused tunica mucosa tracheae necrosis, tracheal stenosis or even tracheal rupture and life threatening; So how the key of airbag aeration is issued to above-mentioned functions at minimum gasbag pressure with regard to being, and can avoid simultaneously excessively inflation and pressure that tracheal wall is produced damages of air bag.
Clinically at present, often use the 10mL syringe to carry out that gas pushes and manometric assisting avoids said circumstances to take place, but also make medical personnel need increase extra mental and physical efforts virtually in observation sufferer situation.For the foregoing reasons, how to conceive a kind of air bag that lets and be maintained at a safety value, and when surpassing this safety value, pressure release immediately to be to avoid that the excessively charger of inflation of air bag takes place, be this utility model the target that will make great efforts.
Summary of the invention
The purpose of this utility model is, overcomes the defective that existing charger exists, and a kind of artificial airway's gas generator for air bag is provided, and technical problem to be solved is: can avoid the endotracheal tube air bag is excessively inflated.
Purpose of this utility model and solution prior art problem adopt following technological means to realize; According to artificial airway's gas generator for air bag of this utility model in order to connect an endotracheal tube air bag and to export gas to this endotracheal tube air bag; Make this endotracheal tube airbag inflation; This artificial airway's gas generator for air bag comprises an air feed spare, a connecting pipe, and a relief valve.
Air feed spare comprises a blowing mouth, and air feed spare supplies operation by blowing mouth output gas.
Connect air feed spare and endotracheal tube air bag communicating pipe and be formed with one and is communicated with blowing mouth and first gas flow of endotracheal tube air bag are communicated with first gas flow and the external world with one second gas flow.
Relief valve is arranged at communicating pipe and normality is sealed second gas flow, and stressed opening second gas flow of relief valve ability, makes the gas in first gas flow flow out extraneous through second gas flow.
Purpose of this utility model and solution prior art problem can also adopt following technological means further to realize.
Preferably, this air feed spare also comprises a flexible spheroid, this flexible spheroid have one define this blowing mouth opening edge.
Preferably, comprise one first shell portion, one second shell portion, one first pipe portion this communicating pipe, and one second pipe portion.This first shell portion defines one first shell portion space.This second shell portion is connected with this first shell portion and is positioned at this first shell portion space; This second shell portion defines one second shell portion space and is formed with one and is communicated with this first shell portion space and this spatial first opening of second shell portion; And one be communicated with this second shell portion space and the second extraneous opening, and this relief valve is placed in this second shell portion space and this second opening of normality sealing.This first pipe portion connects this first shell portion, in order to be connected with this air feed spare.This second pipe portion connects this first shell portion, uses for this endotracheal tube air bag to connect; This first pipe portion, this second pipe portion cooperate with this first shell portion space and define this first gas flow, and this first opening, second opening cooperate with this second shell portion space and define this second gas flow.
Preferably; This relief valve comprises that one is positioned at the barrier bodies of this second shell portion space and this second opening of normality sealing; Reach one and be arranged at this barrier bodies and convexedly stretch in this spatial press section of first shell portion through this first opening, this press section supplies to push open this first opening of this barrier bodies of interlock.
Preferably, this relief valve comprises that more one is connected to the flexible member between this barrier bodies and this second shell portion, and this barrier bodies is borrowed bias voltage and this second gas flow of normality sealing of this flexible member.
Preferably; This first shell portion is formed with one and is communicated with this first shell portion space and the 3rd extraneous opening; More comprise that one is covered on the 3rd opening and to the gland of press section that should relief valve, this gland supplies the press section by this relief valve of compressive strain interlock this communicating pipe.
Preferably; This first shell portion comprises that one centers on first perisporium in a tubular form; This second shell portion comprises this first perisporium of connection and second perisporium, one first end wall and one second end wall that centered on by this first perisporium; This second perisporium centers in a tubular form, and this first end wall is connected this second perisporium two ends with this second end wall, and this first opening and this second opening are formed at this first end wall and this second end wall respectively.
Preferably, this second end wall has one towards this a spatial internal face of second shell portion and a support convex by this internal face protrusion, and this support convex is supported in this barrier bodies, makes this barrier bodies be interval in the internal face of this second end wall.
Preferably, more comprise one be arranged at this first shell portion the pressure measuring equipment, this pressure measuring equipment is in order to measure this spatial gas pressure of first shell portion.
Preferably, more comprise one be coated on this communicating pipe shell spare, this shell spare comprises that one supplies the ccontaining main part of the first shell portion of this communicating pipe, and one extend and fit in the flexible spheroid of this air feed spare by this main part the extension.
The beneficial effect of this utility model is: by the setting of this pressure-relief valve, the excessively problem of inflation takes place in this endotracheal tube air bag easily and can significantly reduce in the past.
Above-mentioned explanation only is the general introduction of this utility model technical scheme; In order more to know the technological means of understanding this utility model; And can implement according to the content of description, and for let the above-mentioned of this utility model with other purposes, feature and advantage can be more obviously understandable, below special act preferred embodiment; And conjunction with figs., specify as follows.
Description of drawings
Fig. 1 is the preferred embodiment of explanation this utility model artificial airway gas generator for air bag and a sketch map that is connected aspect of endotracheal tube air bag;
Fig. 2 is an axonometric chart at another visual angle of key diagram 1;
Fig. 3 is a three-dimensional exploded view of the preferred embodiment of explanation this utility model artificial airway gas generator for air bag;
Fig. 4 is the part exploded view of Fig. 3;
Fig. 5 is the cutaway view of composed component of the preferred embodiment of explanation this utility model artificial airway gas generator for air bag;
Fig. 6 is a partial sectional view of the aspect of open second gas flow of explanation this utility model artificial airway's gas generator for air bag.
The specific embodiment
For further setting forth this utility model is to reach technological means and the effect that predetermined goal of the invention is taked; Below in conjunction with accompanying drawing and preferred embodiment; To the specific embodiment, structure, characteristic and the effect thereof of artificial airway's gas generator for air bag of proposing according to this utility model, specify as after.
Consult Fig. 1 to Fig. 3; Preferred embodiment for this utility model artificial airway gas generator for air bag; Mainly be in order to connect an endotracheal tube air bag 7 and to export gas to this endotracheal tube air bag 7; Provide positive-pressure type to breathe and have concurrently simultaneously the effect that aspiration pneumonitis takes place in prevention after this endotracheal tube air bag 7 is expanded, artificial airway's gas generator for air bag comprises an air feed spare 2, a connecting pipe 3, and a relief valve 4.
Air feed spare 2 comprises a flexible spheroid 22, and a blowing mouth 21, and flexible spheroid 22 have one define blowing mouth 21 opening edge 221.In the present embodiment, the flexible spheroid 22 of air feed spare 2 is the hollow sphere of the elastic material of rubber or silica gel for example, is available for users to extrusion operation and by blowing mouth 21 output gas to endotracheal tube air bags 7.
Please cooperate and consult Fig. 6, connect communicating pipes 3 air feed spare 2 and endotracheal tube air bag 7 and be formed with one and is communicated with blowing mouth 21 and first gas flow 31 of endotracheal tube air bag 7 are communicated with first gas flow 31 and the external world with one second gas flow 32.Moreover relief valve 4 is arranged at communicating pipe 3 and normality is sealed second gas flow 32, and stressed opening second gas flow 32 of relief valve 4 abilities, makes the gases in first gas flow 31 flow out extraneous via second gas flow 32.
See also Fig. 3 to Fig. 5; Comprise communicating pipe 3 one define one first shell portion space 331 the first shell portion 33, be connected with the first shell portion 33 and the second shell portion 34, that is positioned at the first shell portion space 331 connects the first shell portion 33; And in order to the first pipe portion 35 that is connected with air feed spare 2; And one connect the first shell portion 33, and the second pipe portion 36 that connects in order to tube airbag in the air supply pipe 7.
Wherein, the second shell portion 34 defines one second shell portion space 341 and is formed with first opening 342 in connection first a shell portion space 331 and the second shell portion space 341, and one is communicated with the second shell portion space 341 and the second extraneous opening 343.
What deserves to be mentioned is; The first shell portion 33 comprises that one centers on first perisporium 332 in a tubular form; The second shell portion 34 comprises second perisporium 344, one first end wall 347 and one second end wall 348 that connect first perisporium 332 and receive that first perisporium 332 centers on; Second perisporium 344 is around in a tubular form, and first end wall 347 and second end wall 348 be connected to second perisporium, 344 two ends, and makes first opening 342 and second opening 343 be formed at first end wall 347 and second end wall 348 respectively.In above-mentioned, the first pipe portion 35, the second pipe portion 36 cooperate jointly with the first shell portion space 331 and define first gas flow 31, and first opening 342, second opening 343 define second gas flow 32 with 341 common cooperations of the second shell portion space.
In the present embodiment; Relief valve 4 is placed in the second shell portion space 341 and normality is sealed first opening 342; Relief valve 4 comprises that one is positioned at that the second shell portion space 341 and normality seal that the barrier bodies 41, of second opening 343 is arranged at barrier bodies 41 and convexedly stretches in the press section 42 in the first shell portion space 331 through first opening 342; And one be connected to the flexible member 43 of 34 in barrier bodies 41 and the second shell portion respectively with opposite end; This press section 42 supplies to push interlock barrier bodies 41 open first openings 342, moreover barrier bodies 41 is borrowed the bias voltage of flexible member 43 and normality is sealed second gas flow 32.Moreover; Second end wall 348 of the second shell portion 34 has an internal face 345 and the support convex 346 by internal face 345 protrusions towards the second shell portion space 341; Support convex 346 is supported in the barrier bodies 41 of pressure-relief valve 4, makes barrier bodies 41 be interval in the internal face 345 of second end wall 348, therefore; Also can be by finding out among Fig. 4 that barrier bodies 41 is that normality is sealed first opening 342, and second opening 343 is to be supported in the barrier bodies 41 of pressure-relief valve 4 and two kinds of relations keeping often opening by support convex 346.
In the present embodiment; The flexible member 43 of relief valve 4 is a spring and has a coefficient of elasticity; And replace barrier bodies 41 whereby and normality is sealed second gas flow 32; When the gas pressure in communicating pipe 3 surpassed the coefficient of elasticity of this flexible member 43, at this moment, flexible member 43 can compress and interlock barrier bodies 41 makes first opening 342 of sealing open and be communicated with open second gas flows 32; And it is open with second opening 343 to promote barrier bodies 41 simultaneously, lets the gas in communicating pipe 3 released to the external world by second opening 343.
The preferably; The first shell portion 33 is formed with one and is communicated with the first shell portion space 331 and the 3rd extraneous opening 349; More comprise that one is covered on the 3rd opening 349 communicating pipe 3, and the gland 37 of the press section 42 of corresponding relief valve 4, the press section 42 that gland 37 supplies by compressive strain interlock relief valve 4.
What this will specify be, in the present embodiment first opening 342 be one be slightly larger than this press section 42 the cross opening, and press section 42 is positioned at first opening, 342 centers; Expose and let press section 42 protrude out; And then convenient carry out manual pressure release with gland 37, moreover first opening 342 portion 42 that is not pressed stops the place; Promptly become the path that gas gets in first gas flow 31, and then in order to promote the effect that barrier bodies 41 drives compression elastic element 43 pressure releases.
In addition; In order to let user observe the force value in the endotracheal tube air bag 7 easily; This utility model more comprises one and is arranged at this first shell portion 33, and in order to measure the pressure measuring equipment 5 of first shell portion space 331 pressure, because the first shell portion 33 is connected with endotracheal tube air bag 7; So internal pressure value all equates, therefore can utilize pressure measuring equipment 5 to observe the force value in the present endotracheal tube air bag 7 easily.
On the other hand, because the flexible spheroid 22 of air feed spare 2 is not had a supportive, the situation that mistake is pressed takes place easily, hereat, this utility model be provided with one be coated on communicating pipe 3 shell spare 6 avoid the generation of this problem.Shell spare 6 comprises that one supplies the ccontaining main part 61 of the first shell portion 33 of communicating pipe 3; And one extend and fit in the flexible spheroid 22 of air feed spare 2 by main part 61 extension 62; And 62 the support by the extension and let flexible spheroid 22 be difficult for mistake to press, and simultaneously the supportive of flexible spheroid 22 when pushing can be provided.
See also Fig. 1, Fig. 5 and Fig. 6, this utility model is that earlier the second pipe portion 36 through communicating pipe 3 connects endotracheal tube air bags 7 in the use, and exports gas to endotracheal tube air bag 7 by the flexible spheroid 22 of extruding air feed spare 2 and make its expansion.
In general, the optimum pressure power value of endotracheal tube air bag 7 is less than 30cmH2O (centimetre water column), thus in the present embodiment coefficient of elasticity of the flexible member 43 of pressure-relief valve 4 for to should force value being provided with.When aforementioned air feed spare 2 constantly exports gas to endotracheal tube air bag 7; The pressure that is positioned at first gas flow 31 can be along with rising; And get into second gas flow 32 by first opening 342 simultaneously; But the gas that get into this moment can suffer that flexible member 43 stops and can't get into second gas flow 32, when the gas pressure up to communicating pipe 3 in surpasses the coefficient of elasticity of this flexible member 43, compresses flexible member 43 and opening second gas flow 32; And it is open with second opening 343 to promote barrier bodies 41 simultaneously; Let the gas pressure in communicating pipes 3 release, thus, can avoid as taking place in the existing convention to the excessive problems of inflation of endotracheal tube air bag 7 to the external world.In addition; Except above-mentioned self-relieving mode, the gland 37 that user also can be through communicating pipe 3 is with the mode by the press section 42 of compressive strain interlock relief valve 4; Carry out manual pressure release, likewise also can avoid the excessively problem generation of inflation of endotracheal tube air bag 7.
Be that flexible member in this utility model 43 visual demands are different and be replacing, for example long-term intubation person what this will specify; Possibly need higher pressure, avoid breathing to have some setbacks, so the pressure release value can be set at higher 40cmH2O; At this moment; As long as the flexible member 43 of corresponding this pressure release value is inserted replacing, can reach original self-relieving effect, be convenient to the nursing staff and do suitable adjustment and reduce the excessively injury of inflation.Moreover if be used in a laryngeal mask when (figure does not show), then applicable higher pressure release value 60cmH2O likewise inserts replacing with the flexible member 43 of corresponding this pressure release value, to meet the demand of safe handling.
In sum; This utility model artificial airway gas generator for air bag is by the setting of relief valve 4; Let user select endotracheal tube air bag 7 to be carried out pressure release with manual or automatic mode according to demand; Significantly reduce the easy excessively problem of inflation that takes place of this endotracheal tube air bag in the past, so can reach the purpose of this utility model really.
The above only is preferred embodiment of the present invention, is not the present invention is done any pro forma restriction; Though the present invention discloses as above with preferred embodiment; Yet be not in order to limiting the present invention, anyly be familiar with the professional and technical personnel, in not breaking away from technical scheme scope of the present invention; When the method for above-mentioned announcement capable of using and technology contents are made a little change or be modified to the equivalent embodiment of equivalent variations; In every case be the content that does not break away from technical scheme of the present invention, to any simple modification, equivalent variations and modification that above embodiment did, all still belong in the scope of technical scheme of the present invention according to technical spirit of the present invention.
Claims (10)
1. artificial airway's gas generator for air bag in order to connect an endotracheal tube air bag and to export gas to this endotracheal tube air bag, makes this endotracheal tube airbag inflation, and this artificial airway's gas generator for air bag comprises: an air feed spare, a connecting pipe, and a relief valve; It is characterized in that: this air feed spare comprises a blowing mouth, and this air feed spare supplies operation by this blowing mouth output gas; Connect this this air feed spare and this endotracheal tube air bag communicating pipe and be formed with one and is communicated with this blowing mouth and first gas flow of this endotracheal tube air bag are communicated with this first gas flow and the external world with one second gas flow; This relief valve is arranged at this communicating pipe and this second gas flow of normality sealing, and this second gas flow of the stressed opening of this relief valve ability, makes the gas in this first gas flow flow out extraneous through this second gas flow.
2. artificial airway's gas generator for air bag as claimed in claim 1 is characterized in that: this air feed spare also comprises a flexible spheroid, this flexible spheroid have one define this blowing mouth opening edge.
3. artificial airway's gas generator for air bag as claimed in claim 1 is characterized in that: comprise one first shell portion, one second shell portion, one first pipe portion this communicating pipe, and one second pipe portion, this first shell portion defines one first shell portion space; This second shell portion is connected with this first shell portion and is positioned at this first shell portion space; This second shell portion defines one second shell portion space and is formed with one and is communicated with this first shell portion space and this spatial first opening of second shell portion, and one is communicated with this second shell portion space and the second extraneous opening; This relief valve is placed in this second shell portion space and this first opening of normality sealing; This first pipe portion connects this first shell portion, in order to be connected with this air feed spare; This second pipe portion connects this first shell portion; Use for this endotracheal tube air bag and connect; This first pipe portion, this second pipe portion cooperate with this first shell portion space and define this first gas flow, and this first opening, second opening cooperate with this second shell portion space and define this second gas flow.
4. artificial airway's gas generator for air bag as claimed in claim 3; It is characterized in that: this relief valve comprises that one is positioned at the barrier bodies of this second shell portion space and this first opening of normality sealing; Reach one and be arranged at this barrier bodies and convexedly stretch in this spatial press section of first shell portion through this first opening, this press section supplies to push open this first opening of this barrier bodies of interlock.
5. artificial airway's gas generator for air bag as claimed in claim 4 is characterized in that: this relief valve comprises that more one is connected to the flexible member between this barrier bodies and this second shell portion, and this barrier bodies is borrowed bias voltage and this second gas flow of normality sealing of this flexible member.
6. artificial airway's gas generator for air bag as claimed in claim 5; It is characterized in that: this first shell portion is formed with one and is communicated with this first shell portion space and the 3rd extraneous opening; More comprise that one is covered on the 3rd opening and to the gland of press section that should relief valve, this gland supplies the press section by this relief valve of compressive strain interlock this communicating pipe.
7. artificial airway's gas generator for air bag as claimed in claim 6; It is characterized in that: this first shell portion comprises that one centers on first perisporium in a tubular form; This second shell portion comprises this first perisporium of connection and second perisporium, one first end wall and one second end wall that centered on by this first perisporium; This second perisporium centers in a tubular form, and this first end wall is connected this second perisporium two ends with this second end wall, and this first opening and this second opening are formed at this first end wall and this second end wall respectively.
8. artificial airway's gas generator for air bag as claimed in claim 7; It is characterized in that: this second end wall has one towards this a spatial internal face of second shell portion and a support convex by this internal face protrusion; This support convex is supported in this barrier bodies, makes this barrier bodies be interval in the internal face of this second end wall.
9. artificial airway's gas generator for air bag as claimed in claim 3 is characterized in that: also comprise one be arranged at this spatial gas pressure of first shell portion of measurement of this first shell portion the pressure measuring equipment.
10. artificial airway's gas generator for air bag as claimed in claim 2; It is characterized in that: also comprise one be coated on this communicating pipe shell spare; This shell spare comprises that one supplies the ccontaining main part of the first shell portion of this communicating pipe, and one extend and fit in the flexible spheroid of this air feed spare by this main part the extension.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120168485U CN202128788U (en) | 2011-05-19 | 2011-05-19 | Air bag aerating device of artificial air duct |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120168485U CN202128788U (en) | 2011-05-19 | 2011-05-19 | Air bag aerating device of artificial air duct |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202128788U true CN202128788U (en) | 2012-02-01 |
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ID=45517574
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201120168485U Expired - Lifetime CN202128788U (en) | 2011-05-19 | 2011-05-19 | Air bag aerating device of artificial air duct |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202128788U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103432669A (en) * | 2013-08-23 | 2013-12-11 | 中国医学科学院北京协和医院 | Inflation and pressure-measuring device for sleeved bag of trachea cannula or incisional trachea |
| CN106267490A (en) * | 2016-08-26 | 2017-01-04 | 深圳市安保科技有限公司 | A kind of aerating system and respirator |
-
2011
- 2011-05-19 CN CN201120168485U patent/CN202128788U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103432669A (en) * | 2013-08-23 | 2013-12-11 | 中国医学科学院北京协和医院 | Inflation and pressure-measuring device for sleeved bag of trachea cannula or incisional trachea |
| CN103432669B (en) * | 2013-08-23 | 2015-12-30 | 中国医学科学院北京协和医院 | A kind of tracheal intubation or cut pipe sleeve bag gas-filling and pressure tester |
| CN106267490A (en) * | 2016-08-26 | 2017-01-04 | 深圳市安保科技有限公司 | A kind of aerating system and respirator |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120201 |