CN203389192U - Adjustable exhalation valve for noninvasive ventilator - Google Patents
Adjustable exhalation valve for noninvasive ventilator Download PDFInfo
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- CN203389192U CN203389192U CN201320464209.4U CN201320464209U CN203389192U CN 203389192 U CN203389192 U CN 203389192U CN 201320464209 U CN201320464209 U CN 201320464209U CN 203389192 U CN203389192 U CN 203389192U
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- valve
- crossbeam
- valve block
- valve plate
- noninvasive ventilator
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Abstract
The utility model relates to an adjustable exhalation valve for a noninvasive ventilator. The adjustable exhalation valve for the noninvasive ventilator comprises a valve body, the lower end of the valve body is connected with a connection pipe, two ends of the connection pipe are provided with a pipe joint respectively, the upper end of the valve body is provided with a transverse beam, the middle portion of the valve body is provided with a rotating shaft, a left valve plate and a right valve plate are hinged to the rotating shaft, the left valve plate is connected with the transverse beam through a left spring, and the right valve plate is connected with the transverse beam through a right spring. According to the adjustable exhalation valve for the noninvasive ventilator, the exhalation valve is arranged on a pipeline of the noninvasive ventilator, when gas pressure inside a face mask is over-large, gas bursts through the left valve plate and the right valve plate inside the exhalation valve, the left valve plate and the right valve plate rotate around the rotating shaft to be opened, and therefore, the aim of expiration is obtained. When the gas pressure in the face mask falls back to a treatment pressure range, the left valve plate and the right valve plate are reset under the action of the springs to effectively guarantee the stability of pressure inside the face mask, meanwhile, excessive gas inside the face mask, especially carbon dioxide, can be exhausted timely, and the curative effects of noninvasive positive pressure ventilation treatment of the face mask can be guaranteed.
Description
technical field:
This utility model belongs to noninvasive ventilator technical field, is specifically related to a kind of noninvasive ventilator scalable outlet valve.
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, early use noninvasive ventilator can improve patient's important organ function damage that anoxia and carbon dioxide retention cause, alleviate dyspnea, significantly reduce the utilization rate of tracheal intubation and patient's case fatality rate.
The outlet valve arranging on the pipeline of single loop woundless positive pressure respirator, pressure in scalable ventilator mask, when gas pressure in ventilator mask is excessive, can pass through outlet valve aerofluxus, make gas pressure in face shield in the whole breathing cycle in suitable scope, to guarantee ventilation support effect, be beneficial to the discharge of carbon dioxide simultaneously, reduce the RB of carbon dioxide.
The existing valve being arranged on woundless positive pressure respirator pipeline mainly comprises platform valve, side opening valve and silencing valve.The air leakage of platform valve can be regulated and be realized constantly by pellosil, but pellosil on platform valve is long-time, can occur the problems such as elasticity reductions, adhesion after using, and should make regular check on and replacing in time, and its price is more expensive.
Side opening valve leaks 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 be controlled, owing to leaking gas by single hole, gas leakage sound is often larger, 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 producing while reducing gas leakage, the size of air leakage also can not be controlled.
utility model content:
In sum, in order to overcome the deficiency of prior art problem, this utility model provides a kind of noninvasive ventilator scalable outlet valve, it is arranged on the pipeline of noninvasive ventilator, when gas pressure in face shield is excessive, gas is washed the left and right valve block in outlet valve open, left and right valve block encloses and rotates around the axis and open, thereby reach the object of expiration, when the gas pressure in face shield is got back to treatment pressure limit after exhaling, left and right valve block resets under the effect of spring, thereby effectively control the size of air leakage and guarantee that face shield internal pressure is relatively stable, simultaneously, can timely gas too much in face shield be discharged, especially CO
2gas, thus the clinical significant curative effect through face shield invasive positive pressure ventilation in treating chronic obstructive pulmonary disease merging respiratory failure guaranteed.
For solving the problems of the technologies described above, the technical solution of the utility model is achieved in that
A kind of noninvasive ventilator scalable outlet valve, 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 are hinged, left valve block is connected with crossbeam by left spring, and right valve block is connected with crossbeam by right spring.
Further, between described left valve block and valve interior wall, between right valve block and valve interior wall, be provided with sealing gasket.
Further, be provided with two slide blocks on described crossbeam, slide block is along cross beam movement, and left valve block is connected by left spring with the slide block in crossbeam left side, and right valve block is connected by right spring with the slide block on crossbeam right side.
Further, the upper end of described crossbeam is provided with locating slot, on described slide block, locating hole is set, and crossbeam and slide block are located by the alignment pin being installed in locating slot and locating hole.
Further, described locating slot distributes along the length direction of crossbeam.
Further, in described valve body, be provided with locating ring, left valve block and right valve block are arranged on locating ring.
The beneficial effects of the utility model are:
1, this utility model is that a scalable outlet valve is set on the pipeline of noninvasive ventilator, when gas pressure in face shield is excessive, gas is washed the left and right valve block in outlet valve open, left and right valve block encloses and rotates around the axis and open, thereby 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 effect of spring, thereby effectively control the size of air leakage and guarantee that face shield internal pressure is relatively stable, simultaneously, can timely gas too much in face shield be discharged, especially CO
2gas, guarantees the clinical efficacy through face shield invasive positive pressure ventilation in treating.
2, on crossbeam of the present utility model, be provided with two slide blocks, slide block is along cross beam movement, left valve block is connected by left spring with the slide block in crossbeam left side, right valve block is connected by right spring with the slide block on crossbeam right side, by regulating two slide blocks in crossbeam Shang position, the size that scalable left and right valve block is opened required pressure, to facilitate this utility model to use the occasion at respirator and the respirator different mode used of different patients, different model.
3, simple in structure, easy to use, the size that can controlled adjusting expiration amount of this utility model, guarantees that noninvasive ventilator face shield internal pressure is stable, avoids CO
2rB, improve ventilation efficiency, improve patient's important organ function damage that anoxia and carbon dioxide retention cause, alleviate dyspnea, reduce complication, improve patient's quality of life, save medical expenses.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the schematic top plan view of this utility model Fig. 1;
Fig. 3 is the A-A cross-sectional schematic of this utility model Fig. 1.
The specific embodiment
Below in conjunction with accompanying drawing, the utility model is described in further detail.
As Fig. 1, 2, shown in 3, a kind of noninvasive ventilator scalable outlet valve, 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, connection tube 13 two ends 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 are hinged with rotating shaft 4, between left valve block 2 and valve body 1 inwall, between right valve block 6 and valve body 1 inwall, be provided with sealing gasket 3, the upper end of described valve body 1 is provided with crossbeam 5, on crossbeam 5, be 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 in crossbeam 5 left sides, right valve block 6 is connected by right spring 8 with the slide block 9 on crossbeam 5 right sides, length direction along crossbeam 5 on described crossbeam 5 is provided with a plurality of locating slots 10, on described slide block 9, be provided with locating hole, slide block 9 is located by the alignment pin 11 being installed in locating hole and locating slot 10 with crossbeam 5.In valve body 1, be provided with locating ring 12, 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 2 of gas push in face shield and right valve block 6 rotate around rotating shaft 4, thereby space in face shield is communicated with atmosphere, gas flow atmosphere in face shield, pressure decreased, this utility model pressure release, 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 separating space in face shield and atmosphere.
In the time need to regulating the opening pressure of 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, thereby reaches the object of the opening pressure that regulates left valve block 2 and right valve block 6.After adjusting from newly alignment pin 11 being installed in locating hole and locating slot 10.
Locating ring 12 can effectively prevent left valve block 2 and right valve block 6 is reverse opens, and prevents that left valve block 2 and the reverse of right valve block 6 are opened when regulating left spring 7 and right spring 8.
This utility model not only can be applicable to noninvasive ventilator, also can have wound to apply on respirator; Not only be applicable to the treatment that chronic obstructive pulmonary disease merges respiratory failure, for the treatment of some other respiratory system disease, also can use, and respond well.
Be noted that, above-described embodiment is to the explanation of technical solutions of the utility model and unrestricted, other modification that is equal to replacement or makes according to prior art of affiliated technical field those of ordinary skill, as long as do not exceed thinking and the scope of technical solutions of the utility model, within all should being included in the desired interest field of this utility model.
Claims (6)
1. a noninvasive ventilator scalable outlet valve, 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).
2. noninvasive ventilator according to claim 1 scalable outlet valve, 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. noninvasive ventilator according to claim 1 scalable outlet valve, it is characterized in that: on described crossbeam (5), be 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, and right valve block (6) is connected by right spring (8) with the slide block (9) on crossbeam (5) right side.
4. noninvasive ventilator according to claim 3 scalable outlet valve, it is characterized in that: the upper end of described crossbeam (5) is provided with locating slot (10), described slide block arranges locating hole on (9), and crossbeam (5) is located by the alignment pin (11) being installed in locating slot (10) and locating hole with slide block (9).
5. noninvasive ventilator according to claim 4 scalable outlet valve, is characterized in that: described locating slot (10) distributes along the length direction of crossbeam (5).
6. noninvasive ventilator according to claim 1 scalable outlet valve, is characterized in that: in described valve body (1), be provided with locating ring (12), 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 |
|---|---|---|---|
| CN201320464209.4U CN203389192U (en) | 2013-08-01 | 2013-08-01 | Adjustable exhalation valve for noninvasive ventilator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320464209.4U CN203389192U (en) | 2013-08-01 | 2013-08-01 | Adjustable exhalation valve for noninvasive ventilator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203389192U true CN203389192U (en) | 2014-01-15 |
Family
ID=49900755
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320464209.4U Expired - Lifetime CN203389192U (en) | 2013-08-01 | 2013-08-01 | Adjustable exhalation valve for noninvasive ventilator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203389192U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103349808A (en) * | 2013-08-01 | 2013-10-16 | 马利军 | Adjustable exhalation valve for non-invasive ventilator |
| CN109247977A (en) * | 2018-08-29 | 2019-01-22 | 温州医科大学附属第二医院、温州医科大学附属育英儿童医院 | A kind of puncture drainage needle of adjustable flow velocity |
| CN111603655A (en) * | 2020-06-04 | 2020-09-01 | 常州市第一人民医院 | Double-positive-pressure adjusting device for surgical breathing equipment |
-
2013
- 2013-08-01 CN CN201320464209.4U patent/CN203389192U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103349808A (en) * | 2013-08-01 | 2013-10-16 | 马利军 | Adjustable exhalation valve for non-invasive ventilator |
| CN103349808B (en) * | 2013-08-01 | 2016-01-20 | 马利军 | Adjustable exhalation valve for non-invasive ventilator |
| CN109247977A (en) * | 2018-08-29 | 2019-01-22 | 温州医科大学附属第二医院、温州医科大学附属育英儿童医院 | A kind of puncture drainage needle of adjustable flow velocity |
| CN109247977B (en) * | 2018-08-29 | 2020-06-09 | 温州医科大学附属第一医院 | Puncture drainage needle of adjustable velocity of flow |
| CN111603655A (en) * | 2020-06-04 | 2020-09-01 | 常州市第一人民医院 | Double-positive-pressure adjusting device for surgical breathing equipment |
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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: 20140115 Effective date of abandoning: 20160120 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |