CN105078732B - A kind of instrument formula device for resuscitating heart and pulmones presses control method - Google Patents
A kind of instrument formula device for resuscitating heart and pulmones presses control method Download PDFInfo
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- CN105078732B CN105078732B CN201510631391.1A CN201510631391A CN105078732B CN 105078732 B CN105078732 B CN 105078732B CN 201510631391 A CN201510631391 A CN 201510631391A CN 105078732 B CN105078732 B CN 105078732B
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Abstract
The invention discloses a kind of instrument formula device for resuscitating heart and pulmones to press control method, and pressing process includes the following steps：Step 1：It pushes, control press head oppresses downwards thoracic cavity；Step 2：Pressing is kept, and after press head presses to depth capacity position, is kept for a period of time；Step 3：Rebound, press head recoil to initial position upwards from depth capacity position；Step 4：Initial position is kept；Step 5：It is sequentially repeated above-mentioned steps one to step 4 and forms pressing cycle；Above-mentioned time T1, T2, according to pressing depth T3, T4, the virtual value D of maximum value and according to pressing depth the virtual value d of minimum value meets the following conditions：T1+T2+T3+T4=T, T ∈ (0.5,0.6)；T1：T3∈(1.1,3)；T4：T2∈(0.8,1.2)；D∈(50,60)；D=0.The instrument formula device for resuscitating heart and pulmones pressing control method of the present invention can make first aid procedures have preferable coronary perfusion pressure, and blood of human body is promoted quickly to recycle, greatly improves emergency resuscitation efficiency and recovery quality.
Description
Technical field
The present invention relates to medical first aid technical fields, and controlling party is pressed more particularly to a kind of instrument formula device for resuscitating heart and pulmones
Method and its press head control system.
Background technology
In first aid field,《American Heart Association's CPR and emergency cardiovascular care guide》（Referred to as《Guide》）In provide
Hints and tips operating process becomes the major criterion and foundation of industry reference implementation, especially correspond to external chest compression this
The suggestion of pressing parameter in step：It is 100 times to 120 times per minute to press rate, and adult compressions' depth is at least 5 lis
Rice ensures pressing potruncus rebound every time.External chest compression is performed according to this pressing parameter, can effectively be improved as high-quality
Measure the coronary perfusion pressure value of CPP of one of the basic index of CPR.
But the parameter of above-mentioned suggestion merely suggested that a kind of parameter index during pressing rather than it is a kind of in detail
Pressing method.During practical execution relief, according to according to pressing depth, compressing time, in maximum holding according to pressing depth
Between, retention time when springing back the time, recoiling to initial position it is different, can there are many kinds of pressing methods and flow to meet
Above-mentioned parameter, but the effect obtained differs greatly, and in other words, under conditions of the authority parameter for meeting above-mentioned suggestion, lacks
A kind of maximally efficient pressing method to ensure to obtain best coronary perfusion pressure value of CPP, promotes blood recycling, carries
High CPR efficiency.
Invention content
To exist for this purpose, the technical problem to be solved by the present invention is to overcome existing instrument formula press devices or pressing detection device
Above-mentioned deficiency present in first aid procedures, and then a kind of instrument formula device for resuscitating heart and pulmones pressing control method and its press head are provided
Control system.
To achieve the above object, the present invention uses following technical scheme：
A kind of instrument formula device for resuscitating heart and pulmones press head control system, control system control device formula CPR pressing
The pressing process of device press head, the pressing process of press head include the following steps：
Step 1：It pushes, control press head oppresses downwards thoracic cavity, presses to depth capacity position from initial position, this mistake
The compressing time of journey is set as T1, and according to pressing depth absolute value of any time is set as D1 during this；
Step 2：Pressing is kept, and after press head presses to depth capacity position, keeps a period of time, the holding of the position
Time is set as T2, the according to pressing depth absolute value of this process any time is set as D2, and the depth capacity position during this is relatively just
The pressing virtual value of beginning position is set as D；
Step 3：Rebound, press head recoil to initial position upwards from depth capacity position, and the time of this process is set as
T3, the according to pressing depth absolute value of this process any time are set as D3；
Step 4：Initial position is kept, and after press head recoils to initial position, is set as in the retention time of initial position
T4, the according to pressing depth absolute value of this process any time are set as D4, and the according to pressing depth virtual value within the step period is set as d；
Step 5：It is sequentially repeated above-mentioned steps one to step 4 and forms pressing cycle；
Above-mentioned time T1, T2, T3, T4 unit be the second, according to pressing depth D1, D2, D3, D4, D, d unit be millimeter, meet with
Lower condition：
T1+T2+T3+T4=T ,T∈(0.5,0.6)；
T1：T3∈(1.1,3)；
T1∈(0.04,0.24)
D∈（50,60）
d=0。
Preferably, the ratio relation of the T2 in the T4 and step 2 in above-mentioned steps four is T4：T2∈(0.8,1.2).
Preferably, the ratio relation of T1, T2, T3, T4 in above-mentioned steps one to step 4 are T1：T2：T3：T4=4:3:
2:3。
Preferably, in above-mentioned steps four, press head initial position keep the period in any time according to pressing depth absolutely
Up and down fluctuation ranges of the value D4 on the basis of pressing virtual value d=0 of initial position is D4 ∈ (- 10,10).
Preferably, in above-mentioned steps three, during press head recoils to initial position upwards from depth capacity position, this when
The according to pressing depth absolute value D3 ∈ (- 10,60) of any time in section.
Preferably, in above-mentioned steps two, press head presses to arbitrary in the section of the pressing retention time behind depth capacity position
The according to pressing depth absolute value D2 ∈ (40,60) at moment.
Preferably, in above-mentioned steps one, press head is during initial position is pressed into depth capacity position, in the period
The according to pressing depth absolute value D1 ∈ (- 10,60) of any time.
The instrument formula device for resuscitating heart and pulmones pressing control method and its press head control system of the present invention at least has following
Advantageous effect：
The instrument formula device for resuscitating heart and pulmones pressing control method and its press head control system of the present invention is pressed by controlling
Time ratio of the head in above-mentioned pushing and rebound step is between 1.1-3, and then it is preferable coronal to have first aid procedures
Arterial perfusion pressure promotes blood of human body quickly to recycle, greatly improves emergency resuscitation efficiency and recovery quality.
Description of the drawings
In order to make the content of the present invention more clearly understood, below in conjunction with the accompanying drawings, the present invention is made further detailed
Thin explanation, wherein：
Fig. 1 is structure diagram of the press head in initial position with thoracic cavity cooperation；
Fig. 2 is structure diagram of the press head at depth capacity position with thoracic cavity cooperation；
Fig. 3 be the present invention instrument formula device for resuscitating heart and pulmones pressing control method according to pressing depth with the ideal of time relationship
Curve graph；
Fig. 4 is according to pressing depth being fluctuated with time relationship for the instrument formula device for resuscitating heart and pulmones pressing control method of the present invention
Curve graph under state.
Reference numeral is expressed as in figure：
1- press heads；2- thoracic cavities.
Specific embodiment
Referring to Fig. 1-4, a kind of instrument formula device for resuscitating heart and pulmones presses control method, and pressing process includes the following steps：
Step 1：It pushing, control press head 1 oppresses downwards thoracic cavity 2, and depth capacity position is pressed to from initial position, this
The compressing time of process is set as T1, and according to pressing depth absolute value of any time is set as D1 during this, described according to pressing depth absolute
Value refers to the actual value of any time press head depression depths in the period, this according to pressing depth absolute value with initial position d=0
On the basis of measure；
Step 2：Pressing is kept, and after press head presses to depth capacity position, keeps a period of time, the holding of the position
Time is set as T2, the according to pressing depth absolute value of this process any time is set as D2, and the depth capacity position during this is relatively just
The pressing virtual value of beginning position d=0 is set as D, and the according to pressing depth virtual value can be understood as in some period（Four pressing steps
Period in rapid）Required value, must ideally remain unchanged, for example, we general described according to pressing depth 50,
Virtual value when referring to according to pressing depth maximum in fact is 50；
Step 3：Rebound, press head recoil to initial position upwards from depth capacity position, and the time of this process is set as
T3, the according to pressing depth absolute value of this process any time are set as D3；
Step 4：Initial position is kept, and after press head recoils to initial position, is set as in the retention time of initial position
T4, the according to pressing depth absolute value of this process any time are set as D4, and the according to pressing depth virtual value within the step period is set as d；
Step 5：It is sequentially repeated above-mentioned steps one to step 4 and forms pressing cycle；
Above-mentioned time T1, T2, T3, T4 unit be the second, according to pressing depth D1, D2, D3, D4, D, d unit be millimeter, meet with
Lower condition：
T1+T2+T3+T4=T ,T∈(0.5,0.6)；
T1：T3∈(1.1,3)；
T1∈(0.04,0.24)
D∈（50,60）
D=0 namely d represent reference position.
The present invention by control press head above-mentioned pushing and rebound step in time ratio control between 1.1-3, into
And can make first aid procedures that there is preferable coronary perfusion pressure, blood of human body is promoted quickly to recycle, greatly improves first aid
Recovery efficiency and recovery quality.
The control method of the present invention is applicable not only to instrument formula device for resuscitating heart and pulmones, while be also applied for this controlling party
Method is applied to monitoring to artificial CPR processes, exists as long as can meet the pushing crossed in the process of suing and labouring and spring back the time ratio of the two
Between 1.1-3, the protection domain of the application is belonged to.
The control method of the present embodiment is under conditions of T1+T2+T3+T4 ∈ (0.5,0.6), the value of T1, T2, T3, T4
Range can be chosen in 0.04 to 0.24 second, and time value of each step, which can meet, in the range of this improves coronary perfusion pressure
Value of CPP, the effect for promoting blood circulation and recovering.
Preferably, the retention time in the step of this control method four and step 2 is controlled between 0.8-1.2, then can
The control method of the application is enough made to obtain preferable first aid effect.
In the signal period of the control method of the application（T）Total time control in the range of 0.5-0.6 seconds, this time step
The ratio relation of T1, T2, T3, T4 in rapid one to step 4 are preferably T1：T2：T3：T4=4:3:2:3, such as when T=0.6 second,
T1=0.2 second, T2=0.15 second, T3=0.1 second, T4=0.15 second, by experiments have shown that, according in four steps of distribution of the ratio
Time value, filling arterial perfusion pressure can be made to be optimal value, also CPR first aid procedures can be made to be optimal effect.
Referring to Fig. 3, Fig. 3 is the pressing curve graph of this control method in the ideal situation, this figure is showing to push and spring back
Process is at the uniform velocity process, and initial position and depth capacity position are in a constant position.But the in view of existing mechanical heart
Pushing, rebound velocity during lung recovery device or artificial pressing are difficult control, and initial position and depth capacity position
Also it is difficult to keep in steady state value, therefore, it may appear that similar to the curve of cyclical fluctuations figure described in Fig. 4 namely in the process of pushing and rebound
Speed in the process has a fluctuation, and in initial position and depth capacity position, it is also had compared to the ideal curve figure in Fig. 3
Lower fluctuation.Wherein, in step 4, press head keeps the according to pressing depth absolute value D4 of any time in the period with first in initial position
Fluctuation range up and down on the basis of pressing virtual value d=0 of beginning position is D4 ∈ (- 10,10)；In step 3, press head is from maximum
Depth location is recoiled to during initial position upwards, in the period any time according to pressing depth absolute value D3 ∈ (- 10,
60)；In step 2, press head press to any time in the pressing retention time section behind depth capacity position according to pressing depth absolutely
To value D2 ∈ (40,60), D2 is measured on the basis of initial position d=0；In step 1, press head is pressed into maximum from initial position
During depth location, the according to pressing depth absolute value D1 ∈ (- 10,60) of any time in the period.By experiments have shown that, as long as
It can ensure to push, press holding, total time that rebound, initial position are kept is in 0.5-0.6 seconds, the time in four steps
Section ratio relation meets above-mentioned requirements, then can reach ideal first aid effect, certainly, the fluctuation model in a period
Enclose it is the smaller the better, if initial position and the undulated control of depth capacity position are at ± 5 millimeters, push or the fluctuation of springback process with
Preferable oblique line described in Fig. 3（Corresponding oblique line in T1 the and T3 periods）On the basis of fluctuation ± 10 millimeters within.
Above-mentioned specific embodiment is only explained in detail technical scheme of the present invention, the present invention not only only office
Be limited to above-described embodiment, it will be understood by those skilled in the art that it is every according to above-mentioned principle and spirit on the basis of the present invention
It improves, substitute, it all should be within protection scope of the present invention.
Claims (6)
1. a kind of instrument formula device for resuscitating heart and pulmones press head control system, the control system control device formula CPR is by press fitting
Put the pressing process of press head, it is characterised in that：The pressing process of press head includes the following steps：
Step 1：It pushes, control press head oppresses downwards thoracic cavity, and depth capacity position is pressed to from initial position, this process
Compressing time is set as T1, and according to pressing depth absolute value of any time is set as D1 during this；
Step 2：Pressing is kept, and after press head presses to depth capacity position, is kept for a period of time, the retention time of the position
T2 is set as, the according to pressing depth absolute value of this process any time is set as D2, and the depth capacity position during this is with respect to initial bit
The pressing virtual value put is set as D；
Step 3：Rebound, press head recoil to initial position upwards from depth capacity position, and the time of this process is set as T3, this
The according to pressing depth absolute value of process any time is set as D3；
Step 4：Initial position is kept, and after press head recoils to initial position, T4 is set as in the retention time of initial position, this
The according to pressing depth absolute value of process any time is set as D4, and the according to pressing depth virtual value within the step period is set as d；
Step 5：It is sequentially repeated above-mentioned steps one to step 4 and forms pressing cycle；
Above-mentioned time T1, T2, T3, T4 unit is the second, and according to pressing depth D1, D2, D3, D4, D, d unit are millimeter, meet following item
Part：
T1+T2+T3+T4=T ,T∈(0.5,0.6)；
T1∈(0.04,0.24)
D∈（50,60）
d=0；
According to pressing depth absolute value D1, D2, D3, D4, D is measured on the basis of initial position d=0；
The ratio relation of T1, T2, T3, T4 in above-mentioned steps one to step 4 are T1：T2：T3：T4=4:3:2:3.
2. instrument formula device for resuscitating heart and pulmones press head control system according to claim 1, it is characterised in that：Above-mentioned steps four
In T4 and step 2 in T2 ratio relation be T4：T2∈(0.8,1.2).
3. instrument formula device for resuscitating heart and pulmones press head control system according to claim 1 or 2, it is characterised in that：It is above-mentioned
In step 4, press head keeps the according to pressing depth absolute value D4 of any time in the period with the pressing of initial position in initial position
Fluctuation range up and down on the basis of virtual value d=0 is D4 ∈ (- 10,10).
4. instrument formula device for resuscitating heart and pulmones press head control system according to claim 3, it is characterised in that：Above-mentioned steps
In three, any time is according to pressing depth during press head recoils to initial position upwards from depth capacity position, in the period
Absolute value D3 ∈ (- 10,60).
5. instrument formula device for resuscitating heart and pulmones press head control system according to claim 4, it is characterised in that：Above-mentioned steps
In two, press head presses to the according to pressing depth absolute value D2 ∈ for pressing any time in retention time section behind depth capacity position
(40,60)。
6. instrument formula device for resuscitating heart and pulmones press head control system according to claim 5, it is characterised in that：Above-mentioned steps
In one, press head is during initial position is pressed into depth capacity position, and any time is according to pressing depth absolute in the period
Value D1 ∈ (- 10,60).
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| CN201510631391.1A CN105078732B (en) | 2015-09-29 | 2015-09-29 | A kind of instrument formula device for resuscitating heart and pulmones presses control method |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1854444A1 (en) * | 2006-05-11 | 2007-11-14 | Laerdal Medical AS | Controllable chest compressing device |
| CN101642408A (en) * | 2009-08-26 | 2010-02-10 | 刘录平 | Press control device of cardio-pulmonary resuscitation machine and control method thereof |
| CN104487044A (en) * | 2012-06-14 | 2015-04-01 | 佐尔医药公司 | Human powered mechanical CPR device with optimized waveform characteristics |
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| US9713568B2 (en) * | 2012-12-21 | 2017-07-25 | Physio-Control, Inc. | Mechanical CPR device with automatic suction cup attachment |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1854444A1 (en) * | 2006-05-11 | 2007-11-14 | Laerdal Medical AS | Controllable chest compressing device |
| CN101642408A (en) * | 2009-08-26 | 2010-02-10 | 刘录平 | Press control device of cardio-pulmonary resuscitation machine and control method thereof |
| CN104487044A (en) * | 2012-06-14 | 2015-04-01 | 佐尔医药公司 | Human powered mechanical CPR device with optimized waveform characteristics |
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