CN103349808B - Adjustable exhalation valve for non-invasive ventilator - Google Patents
Adjustable exhalation valve for non-invasive ventilator Download PDFInfo
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- CN103349808B CN103349808B CN201310329069.4A CN201310329069A CN103349808B CN 103349808 B CN103349808 B CN 103349808B CN 201310329069 A CN201310329069 A CN 201310329069A CN 103349808 B CN103349808 B CN 103349808B
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Abstract
The present invention relates to a kind of adjustable exhalation valve for non-invasive ventilator, comprise valve body, the lower end of valve body is connected with connection tube, the two ends of connection tube are respectively arranged with pipe joint, the upper end of valve body is provided with crossbeam, and the middle part of valve body is provided with rotating shaft, left valve block and right valve block and rotating shaft hinged, left valve block is connected with crossbeam by left spring, and right valve block is connected with crossbeam by right spring.The present invention arranges an outlet valve on the pipeline of noninvasive ventilator, when the gas pressure in face shield is excessive, gas washes the left and right valve block in outlet valve open, left and right valve block is opened around axis of rotation, thus reach the object of expiration, when the gas pressure in face shield falls back to treatment pressure limit, left and right valve block resets under the action of the spring, thus effective guarantee face internal mask pressure is stablized, simultaneously, timely gas too much in face shield can be discharged, especially carbon dioxide, ensure the curative effect of face shield invasive positive pressure ventilation in treating.
Description
technical field:
The invention belongs to noninvasive ventilator technical field, be specifically related to a kind of adjustable exhalation valve for non-invasive ventilator.
background technology:
Chronic obstructive pulmonary disease is the important diseases that a kind of M & M is higher in worldwide, causes serious economy and burden on society, and this burden is in continuous increase.Noninvasive ventilator is the important means that treatment chronic obstructive pulmonary disease particularly merges respiratory failure, a host of facts prove: with face shield invasive positive pressure ventilation in treating chronic obstructive pulmonary disease merge exhale decline evident in efficacy, the patient's important organ function damage early using noninvasive ventilator can improve anoxia and carbon dioxide retention to cause, alleviate dyspnea, significantly reduce the utilization rate of tracheal intubation and the case fatality rate of patient.
The outlet valve that the pipeline of single loop woundless positive pressure respirator is arranged, pressure in scalable ventilator mask, when the gas pressure in ventilator mask is excessive, by outlet valve aerofluxus, the gas pressure in face shield is made to be in suitable scope in the whole breathing cycle, to ensure that effect is supported in ventilation, be beneficial to the discharge of carbon dioxide simultaneously, reduce the RB of carbon dioxide.
The existing valve be arranged on woundless positive pressure respirator pipeline mainly comprises platform valve, side opening valve and silencing valve.The air leakage of platform valve regulates by pellosil and realizes constant, but the pellosil on platform valve can occur after using for a long time should make regular check on and change in time, and its price being the problems such as elasticity reduction, adhesion more expensive.
Side opening valve is leaked gas by the hole of fixed size, and its air leakage size is main relevant with loine pressure, and pressure is higher, and air leakage is larger, so the size of air leakage can not control, owing to being leaked gas by single hole, gas leakage sound is often comparatively large, and noise is large, affects patient and has a rest.
Silencing valve is on the basis of side opening valve, increases the size of leakage hole, increases gas leakage area, although the noise produced when reducing gas leakage, the size of air leakage also can not control.
summary of the invention:
In sum, in order to overcome the deficiency of prior art problem, the invention provides a kind of adjustable exhalation valve for non-invasive ventilator, it is arranged on the pipeline of noninvasive ventilator, when the gas pressure in face shield is excessive, gas washes the left and right valve block in outlet valve open, left and right valve block is opened around axis of rotation, thus reach the object of expiration, when the gas pressure in face shield gets back to treatment pressure limit after exhaling, left and right valve block resets under the action of the spring, thus effective control air leakage size and the face of guarantee internal mask pressure relatively stable, simultaneously, timely gas too much in face shield can be discharged, especially CO
2gas, thus ensure the clinical significant curative effect merging respiratory failure through face shield invasive positive pressure ventilation in treating chronic obstructive pulmonary disease.
For solving the problems of the technologies described above, technical scheme of the present invention is achieved in that
A kind of adjustable exhalation valve for non-invasive ventilator, wherein: comprise valve body, left valve block, right valve block, rotating shaft, crossbeam, left spring and right spring, described valve body lower end is connected with connection tube, the two ends of connection tube are respectively arranged with pipe joint, connection tube is connected with noninvasive ventilator pipeline by pipe joint, the upper end of described valve body is provided with crossbeam, the middle part of described valve body is provided with rotating shaft, left valve block and right valve block and rotating shaft hinged, left valve block is connected with crossbeam by left spring, and right valve block is connected with crossbeam by right spring.
Technical scheme of the present invention can also be achieved in that between described left valve block and valve interior wall, be provided with sealing gasket between right valve block and valve interior wall.
Technical scheme of the present invention can also be achieved in that and described crossbeam is provided with two slide blocks, and slide block is along cross beam movement, and left valve block is connected by left spring with the slide block on the left of crossbeam, and right valve block is connected by right spring with the slide block on the right side of crossbeam.
Technical scheme of the present invention can also be achieved in that the upper end of described crossbeam is provided with locating slot, and described slide block arranges locating hole, and crossbeam and slide block are located by the alignment pin be installed in locating slot and locating hole.
Technical scheme of the present invention can also be achieved in that described locating slot distributes along the length direction of crossbeam.
Technical scheme of the present invention can also be achieved in that in described valve body and be provided with locating ring, and left valve block and right valve block are arranged on locating ring.
Beneficial effect of the present invention is:
1, the present invention arranges a scalable outlet valve on the pipeline of noninvasive ventilator, when the gas pressure in face shield is excessive, gas washes the left and right valve block in outlet valve open, left and right valve block is opened around axis of rotation, thus reach the object of expiration, when the gas pressure in face shield falls back to treatment pressure limit, left and right valve block resets under the action of the spring, thus effective control air leakage size and the face of guarantee internal mask pressure relatively stable, simultaneously, timely gas too much in face shield can be discharged, especially CO
2gas, ensures the clinical efficacy through face shield invasive positive pressure ventilation in treating.
2, crossbeam of the present invention is provided with two slide blocks, slide block is along cross beam movement, left valve block is connected by left spring with the slide block on the left of crossbeam, right valve block is connected by right spring with the slide block on the right side of crossbeam, by regulating two positions of slide block on crossbeam, the size of the pressure needed for the valve block unlatching of scalable left and right, is used in different patient, the respirator of different model and the occasion of respirator different mode used to facilitate the present invention.
3, structure of the present invention simple, easy to use, controlling can regulate the size of expiration amount, ensure that noninvasive ventilator face internal mask pressure is stablized, avoid CO
2rB, improve ventilation efficiency, improve patient's important organ function damage that anoxia and carbon dioxide retention cause, alleviate dyspnea, reduce complication, improve the quality of life of patient, save medical expenses.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 is the schematic top plan view of Fig. 1 of the present invention;
Fig. 3 is the A-A cross-sectional schematic of Fig. 1 of the present invention.
Detailed description of the invention
Below in conjunction with accompanying drawing, the present invention is described in further detail.
As Fig. 1, 2, shown in 3, a kind of adjustable exhalation valve for non-invasive ventilator, comprise valve body 1, left valve block 2, right valve block 6, rotating shaft 4, crossbeam 5 and spring, the lower end of described valve body 1 is connected with connection tube 13, the two ends of connection tube 13 are respectively arranged with pipe joint 14, connection tube 13 is connected with noninvasive ventilator pipeline by pipe joint 14, the middle part of described valve body 1 is provided with rotating shaft 4, left valve block 2 and right valve block 6 hinged with rotating shaft 4, between left valve block 2 and valve body 1 inwall, sealing gasket 3 is provided with between right valve block 6 and valve body 1 inwall, the upper end of described valve body 1 is provided with crossbeam 5, crossbeam 5 is provided with two slide blocks 9, slide block 9 moves along crossbeam 5, left valve block 2 is connected by left spring 7 with the slide block 9 on the left of crossbeam 5, right valve block 6 is connected by right spring 8 with the slide block 9 on the right side of crossbeam 5, described crossbeam 5 is provided with multiple locating slot 10 along the length direction of crossbeam 5, described slide block 9 is provided with locating hole, slide block 9 and crossbeam 5 are located by the alignment pin 11 be installed in locating hole and locating slot 10.Be provided with locating ring 12 in valve body 1, left valve block 2 and right valve block 6 are arranged on locating ring 12.
During use, when the air pressure in noninvasive ventilator face shield is greater than the opening pressure of left valve block 2 and right valve block 6, the left valve block of gas push in face shield 2 and right valve block 6 rotate around rotating shaft 4, thus space in face shield is communicated with air, gas flow air in face shield, pressure reduces, pressure release of the present invention, after release, gas pressure in face shield reduces, left valve block 2 resets under the effect of left spring 7, and right valve block 6 resets under the effect of right spring 8, and left valve block 2 and right valve block 6 are from newly being separated in space in face shield and air.
When needing the opening pressure regulating left valve block 2 and right valve block 6, take off alignment pin 11, length direction along crossbeam 5 moves left and right slide block 9, and slide block 9 moves the length of scalable left spring 7 and right spring 8, thus reaches the object of the opening pressure regulating left valve block 2 and right valve block 6.From new, alignment pin 11 is installed in locating hole and locating slot 10 after adjustment.
Locating ring 12 effectively can prevent left valve block 2 and right valve block 6 is reverse opens, and prevent when regulating left spring 7 and right spring 8, left valve block 2 and the reverse of right valve block 6 are opened.
The present invention not only can be applicable to noninvasive ventilator, also can have wound respirator on apply; Not only be applicable to the treatment that chronic obstructive pulmonary disease merges respiratory failure, the treatment for some other respiratory system disease also can use, and respond well.
Be noted that, above-described embodiment is unrestricted to the explanation of technical solution of the present invention, the equivalent replacement of art those of ordinary skill or other amendment made according to prior art, as long as do not exceed thinking and the scope of technical solution of the present invention, all should be included within interest field of the presently claimed invention.
Claims (5)
1. an adjustable exhalation valve for non-invasive ventilator, it is characterized in that: comprise valve body (1), left valve block (2), right valve block (6), rotating shaft (4), crossbeam (5), left spring (7) and right spring (8), the lower end of described valve body (1) is connected with connection tube (14), the two ends of connection tube (14) are respectively arranged with pipe joint (15), the upper end of described valve body (1) is provided with crossbeam (5), the middle part of described valve body (1) is provided with rotating shaft (4), left valve block (2) and right valve block (6) are hinged with rotating shaft (4), left valve block (2) is connected with crossbeam (5) by left spring (7), right valve block (6) is connected with crossbeam (5) by right spring (8), described crossbeam (5) is provided with two slide blocks (9), slide block (9) is mobile along crossbeam (5), left valve block (2) is connected by left spring (7) with the slide block (9) in crossbeam (5) left side, right valve block (6) is connected by right spring (8) with the slide block (9) on crossbeam (5) right side.
2. adjustable exhalation valve for non-invasive ventilator according to claim 1, is characterized in that: between described left valve block (2) and valve body (1) inwall, be provided with sealing gasket (3) between right valve block (6) and valve body (1) inwall.
3. adjustable exhalation valve for non-invasive ventilator according to claim 1, it is characterized in that: the upper end of described crossbeam (5) is provided with locating slot (10), described slide block (9) arranges locating hole, and crossbeam (5) and slide block (9) are located by the alignment pin (11) be installed in locating slot (10) and locating hole.
4. adjustable exhalation valve for non-invasive ventilator according to claim 3, is characterized in that: described locating slot (10) distributes along the length direction of crossbeam (5).
5. adjustable exhalation valve for non-invasive ventilator according to claim 1, is characterized in that: be provided with locating ring (12) in described valve body (1), and left valve block (2) and right valve block (6) are arranged on locating ring (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310329069.4A CN103349808B (en) | 2013-08-01 | 2013-08-01 | Adjustable exhalation valve for non-invasive ventilator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310329069.4A CN103349808B (en) | 2013-08-01 | 2013-08-01 | Adjustable exhalation valve for non-invasive ventilator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103349808A CN103349808A (en) | 2013-10-16 |
| CN103349808B true CN103349808B (en) | 2016-01-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310329069.4A Expired - Fee Related CN103349808B (en) | 2013-08-01 | 2013-08-01 | Adjustable exhalation valve for non-invasive ventilator |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017054404A1 (en) * | 2015-09-30 | 2017-04-06 | 关开泮 | Human body enclosure as non-invasive ventilator connector |
| CN106938117B (en) * | 2017-03-23 | 2019-03-26 | 林舒怀 | A kind of intelligence Medical anaesthesia face helmet |
| CN109568776A (en) * | 2018-12-20 | 2019-04-05 | 庞玲 | A kind of department of anesthesia's nursing anaesthetic spraying device |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3718156A (en) * | 1971-01-27 | 1973-02-27 | A Fujii | Automatic air flow smoothing apparatus |
| CN201184435Y (en) * | 2008-03-13 | 2009-01-21 | 聂道贤 | Built-in type opposite clip back valve |
| CN201412567Y (en) * | 2009-06-05 | 2010-02-24 | 张秀萍 | Smoke exhaustion check valve main body structure |
| CN101816815A (en) * | 2009-02-26 | 2010-09-01 | 崇仁科技事业股份有限公司 | Breathing resuscitator |
| CN202241362U (en) * | 2011-09-02 | 2012-05-30 | 广东生益科技股份有限公司 | Cutting tool |
| CN203389192U (en) * | 2013-08-01 | 2014-01-15 | 马利军 | Adjustable exhalation valve for noninvasive ventilator |
-
2013
- 2013-08-01 CN CN201310329069.4A patent/CN103349808B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3718156A (en) * | 1971-01-27 | 1973-02-27 | A Fujii | Automatic air flow smoothing apparatus |
| CN201184435Y (en) * | 2008-03-13 | 2009-01-21 | 聂道贤 | Built-in type opposite clip back valve |
| CN101816815A (en) * | 2009-02-26 | 2010-09-01 | 崇仁科技事业股份有限公司 | Breathing resuscitator |
| CN201412567Y (en) * | 2009-06-05 | 2010-02-24 | 张秀萍 | Smoke exhaustion check valve main body structure |
| CN202241362U (en) * | 2011-09-02 | 2012-05-30 | 广东生益科技股份有限公司 | Cutting tool |
| CN203389192U (en) * | 2013-08-01 | 2014-01-15 | 马利军 | Adjustable exhalation valve for noninvasive ventilator |
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| CN103349808A (en) | 2013-10-16 |
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Granted publication date: 20160120 Termination date: 20170801 |