CN203425348U - Ventilatory mask capable of adjusting positive pressure of expiration along with body position change - Google Patents
Ventilatory mask capable of adjusting positive pressure of expiration along with body position change Download PDFInfo
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- CN203425348U CN203425348U CN201320471543.2U CN201320471543U CN203425348U CN 203425348 U CN203425348 U CN 203425348U CN 201320471543 U CN201320471543 U CN 201320471543U CN 203425348 U CN203425348 U CN 203425348U
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- mask
- mask body
- valve
- patient
- air outlet
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Abstract
The utility model discloses a ventilatory mask capable of adjusting the positive pressure of expiration along with the body position change. The ventilatory mask comprises a mask body, wherein at least one air suction port and at least one expiration port are formed in the mask body; a one-way inlet valve is arranged at the air suction port; a one-way pressure-adjustable air outlet valve is arranged at the expiration port; the one-way air inlet valve and the one-way pressure-adjustable air outlet valve are respectively located at the outer side of the mask body; the mask body is also provided with a body position adjusting device which comprises an air outlet; the air outlet is located in the center of the make body; a one-way valve is arranged at each side of the air outlet; a roller path is arranged below each one-way valve; a steel ball is arranged in each roller path; the two ends of the roller paths are not equal; one end, close to the one-way valve, of each roller path is higher than the other end, far away from the one-way valve, of the roller path. The ventilatory mask capable of adjusting the positive pressure of expiration along with the body position change is excellent in obstructive sleep apnea effect, the effectiveness of the ventilatory mask is similar to constant positive pressure ventilation, the tolerance is higher than the latter, and the effects of the ventilatory mask on central and obstructive sleep apnea are excellent.
Description
Technical field
This utility model relates to a kind of Ventilation mask that regulates PEP with position chanP.
Background technology
Obstructive sleep apnea low syndrome (OSAHS) is a kind of very common disease, and while being characterized in sleeping, upper air flue partly or entirely subsides, and causes the relevant disordered breathing of sleeping.Serious OSAHS can cause serious harm: Cardia cevent, and daytime drowsiness, carbohydrate metabolism disturbance, even suffocates.The OSAHS prevalence of external report is 2%～4%, and all with the age, increases.Domestic data shows: Hongkong (30～60 years old) prevalence male is 4.1%, and women is 2.1%.Shanghai (> 30 years old) prevalence is 3.6%, estimates that accordingly China is greater than the OSAHS patient at least 2,000 ten thousand of 30 years old the age.
Clear and definite OSAHS is that the factors such as obesity, heredity, smoking cause hypertensive independent hazard factor outward at present.Between OSAHS and hypertension, not only there is dependency relation, and be cause effect relation.Epidemiological study result shows OSAHS prevalence approximately 30%～50% in hyperpietic, and in OSAHS patient, Prevalence of Hypertension is 50%～80%, and in population, Prevalence of Hypertension is generally 10%～20%.The hypertension being caused by OSAHS mostly is refractory hypertension, simple medication weak effect.As take correct therapeutic strategy (Drug therapy+CPAP etc.) can receive satisfied effect.Common hyperpietic (being non-OSAHS causer) the Wood-scoop types that belong to more, and by, in the hyperpietic that causes of moderate or severe OSAHS, 69.4% belong to non-Wood-scoop type.The first, hypertension mostly occurred in night and early morning, is difficult to find its dysarteriotony, thereby has invisiblely if do not carried out 24 hours monitoring of blood pressure, was difficult for early discovery.The second, more easily there is left ventricular hypertrophy in Non-dipper hypertension, and left chamber diastolic function goes down.Its case fatality rate is 4.5 times of dipper hypertension.
Investigation of Japan finds that OSAHS patient suffers from 1.2～6.9 times that the Relative hazard of ischemic heart desease (IHD) is general population, 35%～40%IHD patient's AHI >=10 time/hour, and 23.8% OSHAS patient suffers from IHD simultaneously.In moderate or severe OSAHS patient, 50% suffers from coronary heart disease, and nearly 30% OSAHS patient occurs myocardial ischemia in nighttime sleep process, especially at REM sleep phases.The result of study such as PekerP shows that the patient who suffers from OSAHS died from myocardial infarction and apoplexy between follow-up period probability (37.5%) in 5 years is significantly higher than matched group (without OSAHS, 9.3%).There is bradycardia in 80%OSAHS patient, ventricular premature contraction incidence rate is 57%～74%.Can there is II Aminophyline in 10% above patient.Work as SaO
2during <60%, can there is premature beat frequently.According to Concord Hospital, report 56.2% generation arrhythmia in 146 routine OSAHS patients, comprise premature beat, tachycardia, atrioventricular block etc.CHF patient 40%～60% merges sleep disordered breathing.Be mainly centric sleep apnea.
OSAHS and diabetes are in close relations, especially relevant with insulin resistant, adopt an effective measure after treatment OSAHS, and diabetics Insulin Curative obviously improves, thereby thinks that OSAHS may be the main cause that causes insulin resistant.OSAHS is also asymptomatic albuminuria high risk factor, particularly with the crowd of hypertension and diabetes.
Primary treatment measure at present comprises surgical operation, appliance, noninvasive positive pressure ventilation.The art formula that surgical operation is the most frequently used: Uvulopalatopharyngoplasty (Uvulopalato-pharyngoplasty, UPPP) and improvement operation thereof are usually used in the pharyngeal obstruction of gas port (comprise pharyngeal mucosa tissue plumpness, pharyngeal cavity is narrow and small, uvula is loose, soft palate is too low, hypertrophy of tonsils) and 20 times/hour persons of AHI <.But postoperative easy recurrence, and wound is larger, spends higher.Appliance is usually used in simple snoring and slight OSAHS patient (AHI < 15 times/hour), the person that particularly has mandibular retrusion.For not tolerating CPAP, can not perform the operation or surgical effect gastrointestinal disease patient can be tried out, yet effectiveness is lower.Continuous positive airway (Continuous positive airway pressure, CPAP) can provide a physiological stress to support upper air flue, the opening of upper air flue while guaranteeing sleep.But it has following shortcoming:
1, difficult universal use of expensive ， developing country.
2, instrument volume is larger, is inconvenient to carry, for the personage who often goes on business especially inconvenience.
3, connecting line restriction patient at night is movable, and compliance reduces.
4, continuous positive pressure means that continuous flow exists, and can cause Most patients sense of discomfort, to such an extent as to considerable patient can not tolerate treatment.
Utility model content
For above-mentioned prior art, deficiency for above-mentioned existing treatment measure, this utility model provides a kind of Ventilation mask that regulates PEP with position chanP, patient wear is of the present utility model to be had after the Ventilation mask of PEP, can increase the pressure in upper air flue, maintain the transmural pressure power gradient of pharyngeal air flue.Because Most patients asphyxia mainly betides dorsal position, so this utility model design is to regulate PEP with position chanP, to increase patient's comfortableness.
This utility model is achieved through the following technical solutions:
A kind of Ventilation mask that regulates PEP with position chanP, comprise mask body, mask body is provided with at least one air entry and at least one exhalation vents, air entry place is provided with breather cheek valve (opening of air entry or closed opened or can be controlled when closed to breather cheek valve), exhalation vents place be provided with the adjustable air outlet valve of uniaxial pressure (uniaxial pressure is adjustable air outlet valve opens or can control when closed exhalation vents open or closed), breather cheek valve, uniaxial pressure is adjustable, and air outlet valve is all positioned at mask body outside (that is: after patient wear, mask body and patient's facial contact are put into one side and are called inner side, another side is called outside), on mask body, be also provided with position control apparatus, position control apparatus comprises gas outlet, gas outlet is positioned at mask body central authorities, both sides, gas outlet are respectively provided with a check valve (can control opening or closure of gas outlet when one-way valve opens or closure), check valve below is provided with raceway, in raceway, be provided with steel ball, the two ends of raceway are not contour: near one end of check valve higher than the one end away from check valve (height with reference to be take when patient puts on face shield dorsal position be with reference to according to), the object of this kind of structure is: during patient's dorsal position, steel ball is positioned at the one end away from check valve, now check valve is closed, gas outlet is closed, when patient's lateral position, because the position of face shield changes, one of them steel ball (specifically which steel ball depends on that patient is left lateral position or right arm reclining) will roll to the one end near check valve along raceway, check valve is opened under the compressing of steel ball, and then make gas outlet open (no matter patient is left lateral position or right arm reclining, there is an one-way valve opens in capital, thereby guarantees that gas outlet opens).
Preferably, described mask body is provided with two air entries, an exhalation vents.
Preferably, described air entry is located at mask body bottom, and exhalation vents is located at mask body top.
Preferably, described mask body both sides are provided with fixing band.
During use, cover patient's mouth and nose of receiving treatment with face shield, the mode of then tiing a knot after brain by fixing band is fixed.When air-breathing, breather cheek valve is open, and inspiratory resistance is about 0～1cm water column.When patient's dorsal position is exhaled, in position control apparatus, steel ball is not oppressed check valve, and check valve is not opened, and the restricted exhalation of the adjustable air outlet valve of uniaxial pressure is passed through in patient's expired gas, thereby sets up malleation in expiratory phase air flue.When patient's lateral position is exhaled, steel ball compressing check valve in position control apparatus, one-way valve opens, because the gas outlet resistance in position control apparatus is little, patient's expired gas is breathed out by gas outlet, does not produce malleation in expiratory phase air flue.
Described uniaxial pressure is adjustable, and air outlet valve can regulate according to patient's s own situation, and pressure range of accommodation is 5～20cmH
2o.
The related adjustable air outlet valve of check valve, breather cheek valve, uniaxial pressure of this utility model is existing conventional products in prior art.
In Ventilation mask with position chanP adjusting PEP of the present utility model, the function of each several part is as follows:
Mask body: cover patient's mouth and nose.
Air entry, breather cheek valve: air-breathing passage.
Exhalation vents, uniaxial pressure is adjustable air outlet valve: the passage that gas is breathed out, can output PEP, and pressure is adjustable, and pressure range of accommodation is 5～20cmH
2o.
Check valve: the switch of controlling gas outlet.
Steel ball: compressing check valve, makes one-way valve opens
Gas outlet: the passage that gas is breathed out, not output PEP.
The Ventilation mask that regulates PEP with position chanP of the present utility model, splendid to obstructive sleep apnea effect, effectiveness is similar to continuous positive pressure venti lation, but toleration will be higher than the latter; Central and obstructive sleep apnea are had to good effect.
Of the present utility modelly with position chanP, regulate the Ventilation mask of PEP to have the following advantages: 1, without electronic unit, cheap, produce pollution-freely, be especially applicable to developing country and promote.2, whole assembly volume is little, easy to carry.3, without subsidiary connecting line, compliance is high.4, there is no continuous flow, and can regulate breath pressure with position, patient's comfort level is high, better tolerance.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Wherein, 1, mask body; 2, air entry; 3, breather cheek valve; 4, exhalation vents; 5, the adjustable air outlet valve of uniaxial pressure; 6, gas outlet; 7, check valve; 8, raceway; 9, steel ball; 10, fixing band.
The specific embodiment
Below in conjunction with accompanying drawing, this utility model is further described.
A kind of Ventilation mask that regulates PEP with position chanP, as shown in Figure 1, comprise mask body 1, mask body 1 is provided with two air entries 2 and an exhalation vents 4(air entry 2 is located at mask body 1 bottom, exhalation vents 4 is located at mask body 1 top), air entry 2 places be provided with that breather cheek valve 3(breather cheek valve 3 is opened or can control when closed air entry 2 open or closed), exhalation vents 4 places be provided with that the adjustable air outlet valve 5 of the adjustable air outlet valve 5(of uniaxial pressure uniaxial pressure is opened or can control when closed exhalation vents 4 open or closed), breather cheek valve 3, uniaxial pressure is adjustable, and air outlet valve 5 is all positioned at mask body 1 outside (that is: after patient wear, mask body 1 is put into one side with patient's facial contact and is called inner side, another side is called outside), on mask body 1, be also provided with position control apparatus, position control apparatus comprises gas outlet 6, gas outlet 6 is positioned at mask body 1 central authorities, 6 both sides, gas outlet are respectively provided with a check valve (opening of gas outlet 6 or closed opened or can be controlled when closed to 7 check valves 7), check valve 7 belows are provided with raceway 8, in raceway 8, be provided with steel ball 9, the two ends of raceway 8 are not contour: near one end of check valve 7 higher than the one end away from check valve 7 (height with reference to be take when patient puts on face shield dorsal position be with reference to according to), the object of this kind of structure is: during patient's dorsal position, steel ball 9 is positioned at the one end away from check valve 7, check valve 7 closures now, gas outlet 6 closures, when patient's lateral position, because the position of face shield changes, one of them steel ball 9(specifically which steel ball 9 depends on that patient is left lateral position or right arm reclining) will to the one end near check valve 7, roll along raceway 8, check valve 7 is opened under the compressing of steel ball 9, and then make gas outlet 6 open (no matter patient is left lateral position or right arm reclining, there is an one-way valve opens in capital, thereby guarantees that gas outlet opens).Described mask body 1 both sides are provided with fixing band 10.
During use, cover patient's mouth and nose of receiving treatment with face shield, the mode of then tiing a knot after brain by fixing band 10 is fixed.When air-breathing, breather cheek valve 3 is open, and inspiratory resistance is about 0～1cm water column.When patient's dorsal position is exhaled, in position control apparatus, steel ball 9 is not oppressed check valve 7, and check valve 7 is not opened, and the restricted exhalation of the adjustable air outlet valve 5 of uniaxial pressure is passed through in patient's expired gas, thereby sets up malleation in expiratory phase air flue.When patient's lateral position is exhaled, steel ball 9 compressing check valves 7 in position control apparatus, check valve 7 is opened, and because gas outlet 7 resistances in position control apparatus are little, patient's expired gas is breathed out by gas outlet 7, does not produce malleation in expiratory phase air flue.
Described uniaxial pressure is adjustable, and air outlet valve 5 can regulate according to patient's s own situation, and pressure range of accommodation is 5～20cmH
2o.
The Ventilation mask with position chanP adjusting PEP of this patent, splendid to obstructive sleep apnea effect, effectiveness is similar to continuous positive pressure venti lation, but toleration will be higher than the latter; Central and obstructive sleep apnea are had to good result.
Claims (4)
1. a Ventilation mask that regulates PEP with position chanP, it is characterized in that: comprise mask body, mask body is provided with at least one air entry and at least one exhalation vents, air entry place is provided with breather cheek valve, exhalation vents place is provided with the adjustable air outlet valve of uniaxial pressure, breather cheek valve, uniaxial pressure is adjustable air outlet valve is all positioned at mask body outside; On mask body, be also provided with position control apparatus, position control apparatus comprises gas outlet, gas outlet is positioned at mask body central authorities, both sides, gas outlet are respectively provided with a check valve, check valve below is provided with raceway, in raceway, be provided with steel ball, the two ends of raceway are not contour: one end of close check valve is higher than the one end away from check valve.
2. a kind of Ventilation mask that regulates PEP with position chanP according to claim 1, is characterized in that: described mask body is provided with two air entries, an exhalation vents.
3. a kind of Ventilation mask that regulates PEP with position chanP according to claim 1, is characterized in that: described air entry is located at mask body bottom, and exhalation vents is located at mask body top.
4. a kind of Ventilation mask that regulates PEP with position chanP according to claim 1, is characterized in that: described mask body both sides are provided with fixing band.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320471543.2U CN203425348U (en) | 2013-08-02 | 2013-08-02 | Ventilatory mask capable of adjusting positive pressure of expiration along with body position change |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320471543.2U CN203425348U (en) | 2013-08-02 | 2013-08-02 | Ventilatory mask capable of adjusting positive pressure of expiration along with body position change |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203425348U true CN203425348U (en) | 2014-02-12 |
Family
ID=50054413
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320471543.2U Withdrawn - After Issue CN203425348U (en) | 2013-08-02 | 2013-08-02 | Ventilatory mask capable of adjusting positive pressure of expiration along with body position change |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203425348U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103405843A (en) * | 2013-08-02 | 2013-11-27 | 山东大学 | Ventilation hood with positive airway pressure adjustable with changes of postures |
-
2013
- 2013-08-02 CN CN201320471543.2U patent/CN203425348U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103405843A (en) * | 2013-08-02 | 2013-11-27 | 山东大学 | Ventilation hood with positive airway pressure adjustable with changes of postures |
| CN103405843B (en) * | 2013-08-02 | 2015-06-17 | 山东大学 | Ventilation hood with positive airway pressure adjustable with changes of postures |
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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: 20140212 Effective date of abandoning: 20150617 |
|
| RGAV | Abandon patent right to avoid regrant |