CN105457135A - Breathing machine pressure adjustment method and device and breathing machine - Google Patents
Breathing machine pressure adjustment method and device and breathing machine Download PDFInfo
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- CN105457135A CN105457135A CN201511003378.8A CN201511003378A CN105457135A CN 105457135 A CN105457135 A CN 105457135A CN 201511003378 A CN201511003378 A CN 201511003378A CN 105457135 A CN105457135 A CN 105457135A
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M16/00—Devices for influencing the respiratory system of patients by gas treatment, e.g. mouth-to-mouth respiration; Tracheal tubes
- A61M16/0057—Pumps therefor
- A61M16/0066—Blowers or centrifugal pumps
- A61M16/0069—Blowers or centrifugal pumps the speed thereof being controlled by respiratory parameters, e.g. by inhalation
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M2205/00—General characteristics of the apparatus
- A61M2205/33—Controlling, regulating or measuring
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M2210/00—Anatomical parts of the body
- A61M2210/10—Trunk
- A61M2210/1025—Respiratory system
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M2230/00—Measuring parameters of the user
- A61M2230/005—Parameter used as control input for the apparatus
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M2230/00—Measuring parameters of the user
- A61M2230/40—Respiratory characteristics
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Abstract
The invention discloses a breathing machine pressure adjustment method. The method comprises the steps that when a user breaths, the minute ventilation at the preset frequency is collected, and a first-order linear equation is constructed according to the minute ventilation; the magnitude of a monomial coefficient of the first-order linear equation is judged, and/or the relation of the slope of the first-order linear equation and the preset slope range is compared; according to the judging result of the magnitude of the monomial coefficient, and/or the comparison result of the relation of the slope of the first-order linear equation and the preset slope range, the breathing positive pressure is adjusted. The invention further discloses a breathing machine pressure adjustment device and a breathing machine. The breathing machine can adjust the inspiration pressure in a self-adaptive mode, the accuracy of the actual ventilation output by the breathing machine can be improved, and therefore the error between the actual ventilation and the set target ventilation is reduced. The breathing machine can provide the ventilation volume meeting the requirement for treatment and can meet the requirement of a patient, and therefore the best treatment effect is achieved.
Description
Technical field
The present invention relates to field of medical technology, particularly relate to a kind of respirator pressure adjusting method, device and respirator.
Background technology
At present, at use noninvasive ventilation treatment COPD (chronicobstructivepulmonarydisease, chronic obstructive pulmonary disease) disease time, main dependence noninvasive ventilator provides sufficient pressure support ventilation, in order to ensure that patient obtains enough ventilations, the emphasis that invasive ventilation gets involved COPD treatment guarantees that patient obtains enough ventilations, and the demand size of ventilation varies with each individual, and in whole therapeutic process, due to the health of patient and the impact of residing environment, the pressure support ventilation needed might not be unalterable, but need at any time to carry out adjustment to a certain degree.Traditional respirator is when treating, PEP EPAP and the inspiration positive air IPAP of setting are only provided, if the insufficient pressure of setting, patient just cannot obtain enough ventilations, doctor can need the force value that just can obtain the most applicable patient through several titration, and over the course for the treatment of, if the state of patient there occurs change, also can change the demand of pressure support ventilation, now respirator still runs according to the pressure of setting, the actual ventilation that respirator exports cannot carry out Automatic adjusument, poor accuracy, cause the error between actual ventilation and the target ventilating volumn of setting larger, therefore existing respirator cannot meet disease human needs, thus best curative effect cannot be reached.
Summary of the invention
Main purpose of the present invention is to provide a kind of respirator pressure adjusting method, device and respirator, can Automatic adjusument pressure of inspiration(Pi), to improve the accuracy of the actual ventilation that respirator exports, thus reduce the error between actual ventilation and the target ventilating volumn of setting.
For achieving the above object, the invention provides a kind of respirator pressure adjusting method, described respirator pressure adjusting method comprises the steps:
Gather the minute ventilation of preset times when user breathes, build once linear equation according to described minute ventilation;
Judge the size of the Monomial coefficient of described once linear equation, and/or contrast the slope of described once linear equation and the relation of default slope range;
According to the judged result of the size of described Monomial coefficient, and/or the comparing result of the slope of described once linear equation and the relation of default slope range, adjustment inspiration positive air, makes the gap of the actual ventilation of user and the target ventilating volumn of setting in the range of error preset.
Preferably, the described minute ventilation gathering preset times when user breathes, the step building once linear equation according to described minute ventilation comprises:
The tidal volume that user breathes is calculated when user breathes, according to the time that described tidal volume and user are breathed, the respiratory frequency of estimation user;
The tidal volume of breathing according to user and the respiratory frequency of user calculate the minute ventilation of user;
Gather the minute ventilation of preset times, build once linear equation according to described minute ventilation, described once linear equation is used for the real-time ventilation adjustment inspiration positive air according to user.
Preferably, the judged result of the described size according to described Monomial coefficient, and/or the comparing result of the slope of described once linear equation and the relation of default slope range, the step of adjustment inspiration positive air comprises:
If the Monomial coefficient of described once linear equation is just, and the slope of described once linear equation is greater than the higher limit of default slope range, then reduce inspiration positive air when the real-time ventilation of user exceedes the target ventilating volumn of setting;
If the Monomial coefficient of described once linear equation is negative, and the slope of described once linear equation is less than the lower limit of default slope range, then increase inspiration positive air when the real-time ventilation of user is less than the target ventilating volumn of setting;
If the slope of described once linear equation is in default slope range, then according to the magnitude relationship of the real-time ventilation of user and the target ventilating volumn of setting, reduce or/increase inspiration positive air.
Preferably, when reducing inspiration positive air, stop when inspiration positive air reaches default PEP the described inspiration positive air that declines; When increasing inspiration positive air, stop when inspiration positive air reaches default inspiration positive air higher limit increasing described inspiration positive air.
Preferably, the described minute ventilation gathering preset times when user breathes, before building once linear equation according to described minute ventilation, described respirator pressure adjusting method also comprises step:
The target ventilating volumn that user breathes is set.
For achieving the above object, the present invention also provides a kind of respirator pressure regulation device, and described respirator pressure regulation device comprises:
Build module, for gathering the minute ventilation of preset times when user breathes, build once linear equation according to described minute ventilation;
Judging or contrast module, for judging the size of the Monomial coefficient of described once linear equation, and/or contrasting the slope of described once linear equation and the relation of default slope range;
Adjusting module, for the judged result of the size according to described Monomial coefficient, and/or the comparing result of the slope of described once linear equation and the relation of default slope range, adjustment inspiration positive air, makes the gap of the actual ventilation of user and the target ventilating volumn of setting in the range of error preset.
Preferably, described structure module specifically for:
The tidal volume that user breathes is calculated when user breathes, according to the time that described tidal volume and user are breathed, the respiratory frequency of estimation user;
The tidal volume of breathing according to user and the respiratory frequency of user calculate the minute ventilation of user;
Gather the minute ventilation of preset times, build once linear equation according to described minute ventilation, described once linear equation is used for the real-time ventilation adjustment inspiration positive air according to user.
Preferably, described adjusting module specifically for:
If the Monomial coefficient of described once linear equation is just, and the slope of described once linear equation is greater than the higher limit of default slope range, then reduce inspiration positive air when the real-time ventilation of user exceedes the target ventilating volumn of setting;
If the Monomial coefficient of described once linear equation is negative, and the slope of described once linear equation is less than the lower limit of default slope range, then increase inspiration positive air when the real-time ventilation of user is less than the target ventilating volumn of setting;
If the slope of described once linear equation is in default slope range, then according to the magnitude relationship of the real-time ventilation of user and the target ventilating volumn of setting, reduce or/increase inspiration positive air.
Preferably, described respirator pressure regulation device also comprises:
Module is set, for arranging the target ventilating volumn that user breathes.
In addition, the present invention also provides a kind of respirator, and described respirator comprises above-mentioned respirator pressure regulation device.
The present invention, by gathering the minute ventilation of preset times when user breathes, builds once linear equation according to described minute ventilation; Judge the size of the Monomial coefficient of described once linear equation, and/or contrast the slope of described once linear equation and the relation of default slope range; According to judged result and/or comparing result, adjustment inspiration positive air, make the gap of the actual ventilation of user and the target ventilating volumn of setting in the range of error preset, realize respirator Automatic adjusument pressure of inspiration(Pi), the accuracy of the actual ventilation that respirator exports can be improved, thus reduce the error between actual ventilation and the target ventilating volumn of setting.Adopt the present invention can the respirator of Automatic adjusument pressure of inspiration(Pi), the ventilation met needed for treatment can be provided, disease human needs can be met, thus reach best curative effect.
Accompanying drawing explanation
Fig. 1 is the schematic flow sheet of respirator pressure adjusting method first embodiment of the present invention;
Fig. 2 is the refinement schematic flow sheet of step S10 in Fig. 1;
Fig. 3 is the schematic flow sheet of respirator pressure adjusting method second embodiment of the present invention;
Fig. 4 is the high-level schematic functional block diagram of respirator pressure regulation device first embodiment of the present invention;
Fig. 5 is the high-level schematic functional block diagram of respirator pressure regulation device second embodiment of the present invention.
The realization of the object of the invention, functional characteristics and advantage will in conjunction with the embodiments, are described further with reference to accompanying drawing.
Detailed description of the invention
Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
The invention provides a kind of respirator pressure adjusting method.
With reference to the schematic flow sheet that Fig. 1, Fig. 1 are respirator pressure adjusting method first embodiment of the present invention.
In one embodiment of the invention, respirator pressure adjusting method comprises:
Step S10, gathers the minute ventilation of preset times when user breathes, build once linear equation according to described minute ventilation;
Step S20, judges the size of the Monomial coefficient of described once linear equation, and/or contrasts the slope of described once linear equation and the relation of default slope range;
Step S30, according to the judged result of the size of described Monomial coefficient, and/or the comparing result of the slope of described once linear equation and the relation of default slope range, adjustment inspiration positive air, makes the gap of the actual ventilation of user and the target ventilating volumn of setting in the range of error preset.
In the present embodiment method, when user breathes, first according to the times of collection preset, gather the minute ventilation of this preset times, such as presetting times of collection is 10 times, after user breathes, then gather the minute ventilation of 10 times, then build once linear equation according to the described minute ventilation of the preset times collected.
According to constructed once linear equation, judge the size of the Monomial coefficient of this once linear equation, the present embodiment, for the expression formula of above-mentioned once linear equation, that is judges that the value of Monomial coefficient is positive number or negative; Contrast the slope of described once linear equation and the relation of default slope range simultaneously, the present embodiment is provided with higher limit and the lower limit of this default slope range according to practical situation, contrast the slope of the slope of described once linear equation and the relation once linear equation of default slope range, namely judge the slope of described once linear equation and the higher limit of default slope range and the magnitude relationship of lower limit, thus determine the scope at the slope place of once linear equation.
When determine described Monomial coefficient be positive number or negative time, and/or after judging the slope of described once linear equation and the higher limit of default slope range and the magnitude relationship of lower limit, can according to judged result, and the magnitude relationship of the target ventilating volumn of actual ventilation and setting adjusts inspiration positive air, make the gap of the actual ventilation of user and the target ventilating volumn of setting in the range of error preset; The target ventilating volumn of this setting is the rational value preset according to the practical situation of patient, the range of error of the actual ventilation that the present embodiment allows and the target ventilating volumn of setting is | actual ventilation-target ventilating volumn | and < 0.5LPM, that is, the object adjusting inspiration positive air is exactly that the gap of the target ventilating volumn ensureing actual ventilation and setting is within the scope of this.
The present embodiment, by gathering the minute ventilation of preset times when user breathes, builds once linear equation according to described minute ventilation; Judge the size of the Monomial coefficient of described once linear equation, and/or contrast the slope of described once linear equation and the relation of default slope range; According to judged result and/or comparing result, adjustment inspiration positive air, make the gap of the actual ventilation of user and the target ventilating volumn of setting in the range of error preset, realize respirator Automatic adjusument pressure of inspiration(Pi), the accuracy of the actual ventilation that respirator exports can be improved, thus reduce the error between actual ventilation and the target ventilating volumn of setting.
With reference to the refinement schematic flow sheet that Fig. 2, Fig. 2 are step S10 in Fig. 1.
In the above-described embodiments, step S10 specifically comprises:
Step S11, calculates the tidal volume that user breathes when user breathes, according to the time that described tidal volume and user are breathed, and the respiratory frequency of estimation user;
Step S12, the tidal volume of breathing according to user and the respiratory frequency of user calculate the minute ventilation of user;
Step S13, gathers the minute ventilation of preset times, builds once linear equation according to described minute ventilation, and described once linear equation is used for the real-time ventilation adjustment inspiration positive air according to user.
When user breathes, calculated the tidal volume of user's breathing by algorithm, and the tidal volume that this is breathed the time used and calculates according to user, estimate the respiratory frequency of user; Then, the tidal volume of breathing according to user and the respiratory frequency of user calculate the minute ventilation of user, and formula MV=VT*BPM can be adopted in the present embodiment to calculate the minute ventilation of user, and wherein MV is minute ventilation, VT is the tidal volume that user breathes, and BPM is the respiratory frequency of user.After calculating minute ventilation, according to the preset times preset, such as 10 times, gather the minute ventilation of this preset times, once linear equation is built according to described minute ventilation, this once linear equation is used for the real-time ventilation adjustment inspiration positive air according to user, with the gap of the target ventilating volumn of the actual ventilation and setting that ensure user in the range of error preset; Preferably, this once linear equation can be expressed as y=ax+b, wherein, a=(Σ xy-Σ x Σ y/N)/(Σ x^2-(Σ x) ^2/N, b=Σ y/N-a* (Σ x/N), x represents the time, y represents current minute ventilation, N representative data total amount; Certainly, the once linear equation of structure also can be other forms, and coefficient also can be other values.
In the above-described embodiments, step S30 specifically comprises:
If the Monomial coefficient of described once linear equation is just, and the slope of described once linear equation is greater than the higher limit of default slope range, then reduce inspiration positive air when the real-time ventilation of user exceedes the target ventilating volumn of setting;
If the Monomial coefficient of once linear equation as described in judging is for just, namely a is positive number, and the slope of once linear equation is greater than the higher limit of default slope range, in the present embodiment, this slope range is [tan (-p1/6), tan (p1/6)], that is, when a is positive number, and the slope of described once linear equation is when being greater than tan (p1/6), the logical real-time ventilation process rising stage of user is described, now, judge whether this real-time ventilation reaches target ventilating volumn further, as do not reached, then continue to maintain current inspiration positive air, and when the real-time ventilation of user exceedes target ventilating volumn, then after each breathing, reduce inspiration positive air, preferably, the amplitude of each reduction inspiration positive air can between 0.1cmH20 ~ 1cmH20, the amplitude that the present embodiment preferably reduces inspiration positive air is at every turn 0.1cmH20.
If the Monomial coefficient of described once linear equation is negative, and the slope of described once linear equation is less than the lower limit of default slope range, then increase inspiration positive air when the real-time ventilation of user is less than the target ventilating volumn of setting;
As the Monomial coefficient of once linear equation is negative as described in judging, namely a is negative, and the slope of once linear equation is less than the lower limit of default slope range, that is, when a is negative, and the slope of described once linear equation is when being less than tan (-p1/6), the logical real-time ventilation process decrement phase of user is described, now, judge that whether this real-time ventilation is lower than target ventilating volumn further, as not lower than, then continue to maintain current inspiration positive air, and when the real-time ventilation of user is lower than target ventilating volumn, then after each breathing, increase inspiration positive air, preferably, the amplitude of each increase inspiration positive air can between 0.1cmH20 ~ 1cmH20, the amplitude that the present embodiment preferably increases inspiration positive air is at every turn 0.1cmH20.
If the slope of described once linear equation is in default slope range, then according to the magnitude relationship of the real-time ventilation of user and the target ventilating volumn of setting, reduce or/increase inspiration positive air.
As judged, the slope of once linear equation is in the slope range preset, and the Monomial coefficient of described once linear equation is plus or minus, the present embodiment preferably this Monomial coefficient is just, namely a is positive number, that is, when the slope of described once linear equation is at [tan (-p1/6), tan (p1/6)] in scope time, illustrate that the ventilation of user is stablized, now, the magnitude relationship of this real-time ventilation of further judgement and target ventilating volumn, namely when real-time ventilation is in the scope of target ventilating volumn, maintains current inspiration positive air; When real-time ventilation is lower than target ventilating volumn, then after each breathing, increase inspiration positive air; When real-time ventilation exceedes target ventilating volumn, then after each breathing, reduce inspiration positive air, preferably, the amplitude of each increase or decline inspiration positive air can between 0.1cmH20 ~ 1cmH20, and the present embodiment preferably increases at every turn or the amplitude of decline inspiration positive air is 0.1cmH20.
It should be noted that the present embodiment is when reducing inspiration positive air, stops when inspiration positive air reaches default PEP the described inspiration positive air that declines; When increasing inspiration positive air, stop when inspiration positive air reaches default inspiration positive air higher limit increasing described inspiration positive air.
With reference to the schematic flow sheet that Fig. 3, Fig. 3 are respirator pressure adjusting method second embodiment of the present invention.
Based on respirator pressure adjusting method first embodiment of the present invention, propose the second embodiment, this second embodiment, before execution above-mentioned steps S10, also comprises:
Step S40, arranges the target ventilating volumn that user breathes.
Before passing through the corresponding disease of respirator treatment, by operator or doctor according to the parameter of respirator, and the actual conditions of variant user and health, one target ventilating volumn is set, this target ventilating volumn is a scope, can be used as the reference standard value of the actual ventilation when treating, and that is keeps actual ventilation within the scope of this when treating, when actual ventilation lower than or when exceeding this target ventilating volumn, all need adjust inspiration positive air.For different user, corresponding target ventilating volumn is set, with over the course for the treatment of with reference to contrast, thus for respirator can Automatic adjusument treatment pressure, meet disease human needs, the curative effect reaching the best provides the foundation.
With reference to the high-level schematic functional block diagram that Fig. 4, Fig. 4 are respirator pressure regulation device first embodiment of the present invention.
In one embodiment, respirator pressure regulation device of the present invention comprises:
Build module 10, for gathering the minute ventilation of preset times when user breathes, build once linear equation according to described minute ventilation;
Judging or contrast module 20, for judging the size of the Monomial coefficient of described once linear equation, and/or contrasting the slope of described once linear equation and the relation of default slope range;
Adjusting module 30, for the judged result of the size according to described Monomial coefficient, and/or the comparing result of the slope of described once linear equation and the relation of default slope range, adjustment inspiration positive air, makes the gap of the actual ventilation of user and the target ventilating volumn of setting in the range of error preset.
In the respirator pressure regulation device of the present embodiment, build module 10 when user breathes, first according to the times of collection preset, gather the minute ventilation of this preset times, such as presetting times of collection is 10 times, after user breathes, then gather the minute ventilation of 10 times, then build once linear equation according to the described minute ventilation of the preset times collected.
Judge or contrast module 20 according to constructed once linear equation, judge the size of the Monomial coefficient of this once linear equation, the present embodiment, for the expression formula of above-mentioned once linear equation, that is judges that the value of Monomial coefficient is positive number or negative; Contrast the slope of described once linear equation and the relation of default slope range simultaneously, the present embodiment is provided with higher limit and the lower limit of this default slope range according to practical situation, contrast the slope of the slope of described once linear equation and the relation once linear equation of default slope range, namely judge the slope of described once linear equation and the higher limit of default slope range and the magnitude relationship of lower limit, thus determine the scope at the slope place of once linear equation.
When determine described Monomial coefficient be positive number or negative time, and/or after judging the slope of described once linear equation and the higher limit of default slope range and the magnitude relationship of lower limit, adjusting module 30 can according to judged result, and the magnitude relationship of the target ventilating volumn of actual ventilation and setting adjusts inspiration positive air, make the gap of the actual ventilation of user and the target ventilating volumn of setting in the range of error preset; The target ventilating volumn of this setting is the rational value preset according to the practical situation of patient, the range of error of the actual ventilation that the present embodiment allows and the target ventilating volumn of setting is | actual ventilation-target ventilating volumn | and < 0.5LPM, that is, the object adjusting inspiration positive air is exactly that the gap of the target ventilating volumn ensureing actual ventilation and setting is within the scope of this.
The respirator pressure regulation device of the present embodiment, by gathering the minute ventilation of preset times when user breathes, builds once linear equation according to described minute ventilation; Judge the size of the Monomial coefficient of described once linear equation, and/or contrast the slope of described once linear equation and the relation of default slope range; According to judged result and/or comparing result, adjustment inspiration positive air, make the gap of the actual ventilation of user and the target ventilating volumn of setting in the range of error preset, respirator Automatic adjusument pressure of inspiration(Pi) can be realized, the accuracy of the actual ventilation that respirator exports can be improved, thus reduce the error between actual ventilation and the target ventilating volumn of setting.
In the above-described embodiments, build module 10 specifically for:
The tidal volume that user breathes is calculated when user breathes, according to the time that described tidal volume and user are breathed, the respiratory frequency of estimation user;
The tidal volume of breathing according to user and the respiratory frequency of user calculate the minute ventilation of user;
Gather the minute ventilation of preset times, build once linear equation according to described minute ventilation, described once linear equation is used for the real-time ventilation adjustment inspiration positive air according to user.
When user breathes, calculated the tidal volume of user's breathing by algorithm, and the tidal volume that this is breathed the time used and calculates according to user, estimate the respiratory frequency of user; Then, the tidal volume of breathing according to user and the respiratory frequency of user calculate the minute ventilation of user, and formula MV=VT*BPM can be adopted in the present embodiment to calculate the minute ventilation of user, and wherein MV is minute ventilation, VT is the tidal volume that user breathes, and BPM is the respiratory frequency of user.After calculating minute ventilation, according to the preset times preset, such as 10 times, gather the minute ventilation of this preset times, once linear equation is built according to described minute ventilation, this once linear equation is used for the real-time ventilation adjustment inspiration positive air according to user, with the gap of the target ventilating volumn of the actual ventilation and setting that ensure user in the range of error preset; Preferably, this once linear equation can be expressed as y=ax+b, wherein, a=(Σ xy-Σ x Σ y/N)/(Σ x^2-(Σ x) ^2/N, b=Σ y/N-a* (Σ x/N), x represents the time, y represents current minute ventilation, N representative data total amount; Certainly, the once linear equation of structure also can be other forms, and coefficient also can be other values.
In the above-described embodiments, adjusting module 30 specifically for:
If the Monomial coefficient of described once linear equation is just, and the slope of described once linear equation is greater than the higher limit of default slope range, then reduce inspiration positive air when the real-time ventilation of user exceedes the target ventilating volumn of setting;
If the Monomial coefficient of once linear equation as described in judging is for just, namely a is positive number, and the slope of once linear equation is greater than the higher limit of default slope range, in the present embodiment, this slope range is [tan (-p1/6), tan (p1/6)], that is, when a is positive number, and the slope of described once linear equation is when being greater than tan (p1/6), the logical real-time ventilation process rising stage of user is described, now, judge whether this real-time ventilation reaches target ventilating volumn further, as do not reached, then continue to maintain current inspiration positive air, and when the real-time ventilation of user exceedes target ventilating volumn, then adjusting module 30 reduces inspiration positive air after each breathing, preferably, the amplitude of each reduction inspiration positive air can between 0.1cmH20 ~ 1cmH20, the amplitude that the present embodiment preferably reduces inspiration positive air is at every turn 0.1cmH20.
If the Monomial coefficient of described once linear equation is negative, and the slope of described once linear equation is less than the lower limit of default slope range, then increase inspiration positive air when the real-time ventilation of user is less than the target ventilating volumn of setting;
As the Monomial coefficient of once linear equation is negative as described in judging, namely a is negative, and the slope of once linear equation is less than the lower limit of default slope range, that is, when a is negative, and the slope of described once linear equation is when being less than tan (-p1/6), the logical real-time ventilation process decrement phase of user is described, now, judge that whether this real-time ventilation is lower than target ventilating volumn further, as not lower than, then continue to maintain current inspiration positive air, and when the real-time ventilation of user is lower than target ventilating volumn, then adjusting module 30 increases inspiration positive air after each breathing, preferably, the amplitude of each increase inspiration positive air can between 0.1cmH20 ~ 1cmH20, the amplitude that the present embodiment preferably increases inspiration positive air is at every turn 0.1cmH20.
If the slope of described once linear equation is in default slope range, then according to the magnitude relationship of the real-time ventilation of user and the target ventilating volumn of setting, reduce or/increase inspiration positive air.
As judged, the slope of once linear equation is in the slope range preset, and the Monomial coefficient of described once linear equation is plus or minus, the present embodiment preferably this Monomial coefficient is just, namely a is positive number, that is, when the slope of described once linear equation is at [tan (-p1/6), tan (p1/6)] in scope time, illustrate that the ventilation of user is stablized, now, the magnitude relationship of this real-time ventilation of further judgement and target ventilating volumn, namely when real-time ventilation is in the scope of target ventilating volumn, maintains current inspiration positive air; When real-time ventilation is lower than target ventilating volumn, then adjusting module 30 increases inspiration positive air after each breathing; When real-time ventilation exceedes target ventilating volumn, then adjusting module 30 reduces inspiration positive air after each breathing, preferably, the amplitude of each increase or decline inspiration positive air can between 0.1cmH20 ~ 1cmH20, and the present embodiment preferably increases at every turn or the amplitude of decline inspiration positive air is 0.1cmH20.
It should be noted that the present embodiment is when reducing inspiration positive air, stops when inspiration positive air reaches default PEP the described inspiration positive air that declines; When increasing inspiration positive air, stop when inspiration positive air reaches default inspiration positive air higher limit increasing described inspiration positive air.
With reference to the high-level schematic functional block diagram that Fig. 5, Fig. 5 are respirator pressure regulation device second embodiment of the present invention.
Based on the invention described above respirator pressure regulation device first embodiment, propose the second embodiment, not being both of this second embodiment and the first embodiment, on the basis of the first embodiment, respirator pressure regulation device also comprises:
Module 40 is set, for arranging the target ventilating volumn that user breathes.
Before passing through the corresponding disease of respirator treatment, by operator or doctor according to the parameter of respirator, and the actual conditions of variant user and health, by arranging module 40, a target ventilating volumn is set, this target ventilating volumn is a scope, can be used as the reference standard value of the actual ventilation when treating, and that is keeps actual ventilation within the scope of this when treating, when actual ventilation lower than or when exceeding this target ventilating volumn, all need adjust inspiration positive air.For different user, corresponding target ventilating volumn is set, with over the course for the treatment of with reference to contrast, thus for respirator can Automatic adjusument treatment pressure, meet disease human needs, the curative effect reaching the best provides the foundation.
In addition, the present invention also provides a kind of respirator, and described respirator comprises above-mentioned respirator pressure regulation device, and this respirator pressure regulation device please refer to whole technical schemes of the whole embodiment of above-mentioned Fig. 4, Fig. 5, and technique effect, does not repeat at this.
Adopting that the present invention is this can the respirator of Automatic adjusument pressure of inspiration(Pi), the ventilation met needed for treatment can be provided, disease human needs can be met, thus reach best curative effect, can be used for treatment COPD disease, as gathered identical parameter, also can be used for other treatment device to treat other diseases.
These are only the preferred embodiments of the present invention; not thereby the scope of the claims of the present invention is limited; every utilize description of the present invention and accompanying drawing content to do equivalent structure or equivalent flow process conversion; or be directly or indirectly used in other relevant technical fields, be all in like manner included in scope of patent protection of the present invention.
Claims (10)
1. a respirator pressure adjusting method, is characterized in that, described respirator pressure adjusting method comprises the steps:
Gather the minute ventilation of preset times when user breathes, build once linear equation according to described minute ventilation;
Judge the size of the Monomial coefficient of described once linear equation, and/or contrast the slope of described once linear equation and the relation of default slope range;
According to the judged result of the size of described Monomial coefficient, and/or the comparing result of the slope of described once linear equation and the relation of default slope range, adjustment inspiration positive air, makes the gap of the actual ventilation of user and the target ventilating volumn of setting in the range of error preset.
2. respirator pressure adjusting method as claimed in claim 1, is characterized in that, the described minute ventilation gathering preset times when user breathes, and the step building once linear equation according to described minute ventilation comprises:
The tidal volume that user breathes is calculated when user breathes, according to the time that described tidal volume and user are breathed, the respiratory frequency of estimation user;
The tidal volume of breathing according to user and the respiratory frequency of user calculate the minute ventilation of user;
Gather the minute ventilation of preset times, build once linear equation according to described minute ventilation, described once linear equation is used for the real-time ventilation adjustment inspiration positive air according to user.
3. respirator pressure adjusting method as claimed in claim 1, it is characterized in that, the judged result of the described size according to described Monomial coefficient, and/or the comparing result of the slope of described once linear equation and the relation of default slope range, the step of adjustment inspiration positive air comprises:
If the Monomial coefficient of described once linear equation is just, and the slope of described once linear equation is greater than the higher limit of default slope range, then reduce inspiration positive air when the real-time ventilation of user exceedes the target ventilating volumn of setting;
If the Monomial coefficient of described once linear equation is negative, and the slope of described once linear equation is less than the lower limit of default slope range, then increase inspiration positive air when the real-time ventilation of user is less than the target ventilating volumn of setting;
If the slope of described once linear equation is in default slope range, then according to the magnitude relationship of the real-time ventilation of user and the target ventilating volumn of setting, reduce or/increase inspiration positive air.
4. respirator pressure adjusting method as claimed in claim 2 or claim 3, is characterized in that, when reducing inspiration positive air, stops when inspiration positive air reaches default PEP the described inspiration positive air that declines; When increasing inspiration positive air, stop when inspiration positive air reaches default inspiration positive air higher limit increasing described inspiration positive air.
5. respirator pressure adjusting method as claimed in claim 1, it is characterized in that, the described minute ventilation gathering preset times when user breathes, before building once linear equation according to described minute ventilation, described respirator pressure adjusting method also comprises step:
The target ventilating volumn that user breathes is set.
6. a respirator pressure regulation device, is characterized in that, described respirator pressure regulation device comprises:
Build module, for gathering the minute ventilation of preset times when user breathes, build once linear equation according to described minute ventilation;
Judging or contrast module, for judging the size of the Monomial coefficient of described once linear equation, and/or contrasting the slope of described once linear equation and the relation of default slope range;
Adjusting module, for the judged result of the size according to described Monomial coefficient, and/or the comparing result of the slope of described once linear equation and the relation of default slope range, adjustment inspiration positive air, makes the gap of the actual ventilation of user and the target ventilating volumn of setting in the range of error preset.
7. respirator pressure regulation device according to claim 6, is characterized in that, described structure module specifically for:
The tidal volume that user breathes is calculated when user breathes, according to the time that described tidal volume and user are breathed, the respiratory frequency of estimation user;
The tidal volume of breathing according to user and the respiratory frequency of user calculate the minute ventilation of user;
Gather the minute ventilation of preset times, build once linear equation according to described minute ventilation, described once linear equation is used for the real-time ventilation adjustment inspiration positive air according to user.
8. respirator pressure regulation device according to claim 6, is characterized in that, described adjusting module specifically for:
If the Monomial coefficient of described once linear equation is just, and the slope of described once linear equation is greater than the higher limit of default slope range, then reduce inspiration positive air when the real-time ventilation of user exceedes the target ventilating volumn of setting;
If the Monomial coefficient of described once linear equation is negative, and the slope of described once linear equation is less than the lower limit of default slope range, then increase inspiration positive air when the real-time ventilation of user is less than the target ventilating volumn of setting;
If the slope of described once linear equation is in default slope range, then according to the magnitude relationship of the real-time ventilation of user and the target ventilating volumn of setting, reduce or/increase inspiration positive air.
9. respirator pressure regulation device according to claim 6, is characterized in that, described respirator pressure regulation device also comprises:
Module is set, for arranging the target ventilating volumn that user breathes.
10. a respirator, is characterized in that, described respirator comprises the respirator pressure regulation device as described in any one of claim 6 to 9.
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106975134A (en) * | 2017-04-11 | 2017-07-25 | 湖南明康中锦医疗科技发展有限公司 | Method and device for adjusting replacement point of respirator and noninvasive respirator |
| CN108283750A (en) * | 2017-12-15 | 2018-07-17 | 湖南明康中锦医疗科技发展有限公司 | A kind of lung ventilator fast lifting pressure method and system |
| CN113952566A (en) * | 2021-10-22 | 2022-01-21 | 广西开蒙医疗科技有限公司 | Breathing machine pressure control method, system, terminal and storage medium |
| CN114440413A (en) * | 2020-10-30 | 2022-05-06 | 青岛海信电子产业控股股份有限公司 | Indoor air conditioning method and equipment |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6041780A (en) * | 1995-06-07 | 2000-03-28 | Richard; Ron F. | Pressure control for constant minute volume |
| CN1743021A (en) * | 2004-08-31 | 2006-03-08 | 吴清平 | Artificial respirator of automatic regulating breather quantity/permin and method therefor |
| WO2006039587A1 (en) * | 2004-10-01 | 2006-04-13 | Ric Investments, Llc | Method and apparatus for treating cheyne-stokes respiration |
| CN101653633A (en) * | 2003-03-07 | 2010-02-24 | 雷斯梅德有限公司 | Methods and apparatus for varying the back-up rate for a ventilator |
| CN101874734A (en) * | 2009-04-29 | 2010-11-03 | 雷斯梅德有限公司 | Detect and treat the method and the device of respiratory insufficiency |
| US20110041850A1 (en) * | 2009-08-20 | 2011-02-24 | Nellcor Puritan Bennett Llc | Method For Ventilation |
| WO2013163735A1 (en) * | 2012-04-30 | 2013-11-07 | Michael Klein | A new method and apparatus to attain and maintain target arterial blood gas concentrations using ramp sequences |
| CN103501690A (en) * | 2011-03-23 | 2014-01-08 | 雷斯梅德有限公司 | Detection of ventilation sufficiency |
| CN1886169B (en) * | 2003-11-26 | 2016-01-20 | 瑞思迈有限公司 | The system control method that ventilation in hypopnea situation is supported and device |
-
2015
- 2015-12-28 CN CN201511003378.8A patent/CN105457135B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6041780A (en) * | 1995-06-07 | 2000-03-28 | Richard; Ron F. | Pressure control for constant minute volume |
| CN101653633A (en) * | 2003-03-07 | 2010-02-24 | 雷斯梅德有限公司 | Methods and apparatus for varying the back-up rate for a ventilator |
| CN1886169B (en) * | 2003-11-26 | 2016-01-20 | 瑞思迈有限公司 | The system control method that ventilation in hypopnea situation is supported and device |
| CN1743021A (en) * | 2004-08-31 | 2006-03-08 | 吴清平 | Artificial respirator of automatic regulating breather quantity/permin and method therefor |
| WO2006039587A1 (en) * | 2004-10-01 | 2006-04-13 | Ric Investments, Llc | Method and apparatus for treating cheyne-stokes respiration |
| CN101874734A (en) * | 2009-04-29 | 2010-11-03 | 雷斯梅德有限公司 | Detect and treat the method and the device of respiratory insufficiency |
| US20110041850A1 (en) * | 2009-08-20 | 2011-02-24 | Nellcor Puritan Bennett Llc | Method For Ventilation |
| CN103501690A (en) * | 2011-03-23 | 2014-01-08 | 雷斯梅德有限公司 | Detection of ventilation sufficiency |
| WO2013163735A1 (en) * | 2012-04-30 | 2013-11-07 | Michael Klein | A new method and apparatus to attain and maintain target arterial blood gas concentrations using ramp sequences |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106975134A (en) * | 2017-04-11 | 2017-07-25 | 湖南明康中锦医疗科技发展有限公司 | Method and device for adjusting replacement point of respirator and noninvasive respirator |
| CN106975134B (en) * | 2017-04-11 | 2019-10-01 | 湖南明康中锦医疗科技发展有限公司 | Method and device for adjusting replacement point of respirator and noninvasive respirator |
| CN108283750A (en) * | 2017-12-15 | 2018-07-17 | 湖南明康中锦医疗科技发展有限公司 | A kind of lung ventilator fast lifting pressure method and system |
| CN108283750B (en) * | 2017-12-15 | 2020-08-28 | 湖南明康中锦医疗科技发展有限公司 | Rapid pressure increasing and decreasing method and system for breathing machine |
| CN114440413A (en) * | 2020-10-30 | 2022-05-06 | 青岛海信电子产业控股股份有限公司 | Indoor air conditioning method and equipment |
| CN114440413B (en) * | 2020-10-30 | 2024-06-07 | 海信集团控股股份有限公司 | Indoor air conditioning method and equipment |
| CN113952566A (en) * | 2021-10-22 | 2022-01-21 | 广西开蒙医疗科技有限公司 | Breathing machine pressure control method, system, terminal and storage medium |
| CN113952566B (en) * | 2021-10-22 | 2024-04-09 | 广西开蒙医疗科技有限公司 | Breathing machine pressure control method, system, terminal and storage medium |
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|---|---|
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Address after: 410205 Room 101, 1st floor, north of superstar entrepreneurship base, No. 8 Lujing Road, high tech Development Zone, Changsha, Hunan Patentee after: Hunan Mingkang Zhongjin Medical Technology Co.,Ltd. Address before: 410000 101, North 1st floor, giant star entrepreneurship base, No. 8 Lujing Road, high tech Development Zone, Changsha City, Hunan Province Patentee before: HUNAN MICOME ZHONGJIN MEDICAL SCIENCE & TECHNOLOGY DEVELOPMENT Co.,Ltd. |