CN101578066B - Electronic blood pressure meter - Google Patents
Electronic blood pressure meter Download PDFInfo
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- CN101578066B CN101578066B CN2008800013682A CN200880001368A CN101578066B CN 101578066 B CN101578066 B CN 101578066B CN 2008800013682 A CN2008800013682 A CN 2008800013682A CN 200880001368 A CN200880001368 A CN 200880001368A CN 101578066 B CN101578066 B CN 101578066B
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/02—Detecting, measuring or recording pulse, heart rate, blood pressure or blood flow; Combined pulse/heart-rate/blood pressure determination; Evaluating a cardiovascular condition not otherwise provided for, e.g. using combinations of techniques provided for in this group with electrocardiography or electroauscultation; Heart catheters for measuring blood pressure
- A61B5/021—Measuring pressure in heart or blood vessels
- A61B5/022—Measuring pressure in heart or blood vessels by applying pressure to close blood vessels, e.g. against the skin; Ophthalmodynamometers
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/02—Detecting, measuring or recording pulse, heart rate, blood pressure or blood flow; Combined pulse/heart-rate/blood pressure determination; Evaluating a cardiovascular condition not otherwise provided for, e.g. using combinations of techniques provided for in this group with electrocardiography or electroauscultation; Heart catheters for measuring blood pressure
- A61B5/021—Measuring pressure in heart or blood vessels
- A61B5/02141—Details of apparatus construction, e.g. pump units or housings therefor, cuff pressurising systems, arrangements of fluid conduits or circuits
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Abstract
A blood pressure meter having determination means (12) for determining whether or not the pressure of a cuff at the time point when a predetermined time is elapsed after the start of pressurizing of the cuff exceeds a standard value determined based on a power source voltage. If not exceeding, blood pressure measurement is discontinued, assuming that the cuff is not yet installed or is loosely wrapped. The determination means (12) has standard value calculation means (21), standard value storage means (22), and comparison means (23). The standard value calculation means (21) obtains a standardvalue by referring to a standard value setting table and based on a power source voltage value measure by power source voltage value measurement means. The standard value storage means (22) stores th e standard value obtained by the standard value calculation means (21). The comparison means (23) compares between the standard value stored in the standard value storage means (22) and the pressure of the cuff detected by pressure detection means.
Description
Technical field
The present invention relates to electric sphygmomanometer, particularly relating to the dress that has at cuff is the electric sphygmomanometer of the function of the mensuration of termination blood pressure under inappropriate situation.
Background technology
Usually, electric sphygmomanometer constitutes in the pressurization by the cuff on the part of the organism that lies in upper arm or finger or wrist etc. at dress, or in case in the decompression of cuff after the pressurization, detect the change of cuff pressure (below, be called cuff and press) and measure blood pressure.In order correctly to carry out blood pressure determination, need adorn with the degree of suitably fastening at upper arm etc. is cuff.If cuff dress be pine, then the compressing efficient of tremulous pulse reduces, so the precision step-down of measured value.
For fear of this dress at cuff is the variety of issue that state causes when improper, or the breakage of not spooling the cuff that causes when cuff just begins to pressurize at upper arm etc., in existing electric sphygmomanometer, the dress that has according to cuff that has is the function that state is ended blood pressure determination.
Figure 10 is that the dress of expression cuff is the performance plot of the relation of the sleeve variation with pressure in state and the pressurization.As shown in figure 10, cuff dress be normally adorn than Song Shiyu and compare when being cuff, the rising ratio with pressure of tucking inside the sleeve diminishes.
At this, existing electric sphygmomanometer with such mensuration abort function, the cuff that pressurization from cuff has been begun to pass through the moment of stipulated time Δ t is compressed into row mensuration, if and the cuff pressure ratio reference value Δ Ps of this moment is low, then judge be that the dress system of cuff is unkitted than pine or cuff to be state, and end the mensuration of blood pressure.Wherein, reference value Δ Ps is set at that to begin dress through the cuff in moment of stipulated time Δ t from the pressurization of cuff be that state is that to press the dress of Δ Pm and cuff be value between the cuff pressure Δ Pm ' of state when undesired for just often cuff.
For example, known a kind of finger electric sphygmomanometer, it is judged after be used for that the presser unit that cuff pressurizes begun pressurization, press whether reach setting through the stipulated time cuff, its result, if cuff is pressed and to be less than or equal to setting, then make decompressing unit that the pressure to cuff reduces pressure move (for example, with reference to patent documentation 1).In addition, known a kind of arm electric sphygmomanometer, it is in pressure the boosting of sleeve, variable quantity with pressure detects to tucking inside the sleeve, and be state according to the dress that this testing result is differentiated cuff, when differentiating for cuff is unkitted when lying in arm the processing (with reference to patent documentation 2) of interruption blood pressure determination.
[patent documentation 1] Japanese kokai publication sho 62-84738 communique (method that (two) are used to deal with problems)
[patent documentation 2] Japanese kokai publication hei 2-114934 communique ([being used to solve the method for problem])
Yet, in above-mentioned existing electric sphygmomanometer, be that the described reference value of state is a fixed value owing to be used to judge the dress of cuff, so there is following problem.Try to consider two kinds of situations as this fixed value, (1) having adopted with the upper limit as the scope of application of the battery of power supply is that maximum operating voltage can not cause that the value of misinterpretation and (2) have adopted the value that can not cause misinterpretation when with the minimum running voltage of lower limit of the scope of application of battery presser unit being pressurizeed when presser unit is pressurizeed.
Under the situation of described (1), if owing to the deterioration of battery causes that running voltage reduces, and the reduction of the pressure capacity of presser unit, even then the dress of cuff is that state is normal, reference value can not be surpassed, thereby the mensuration termination can be become.On the other hand, under the situation of described (2), when as after battery has just been changed, running voltage is higher, and the pressure capacity of presser unit is when higher, is the situation of pine or is unkitted the situation that is even the dress of cuff is a state, also can surpass reference value, thereby can be judged to be normal dress be state.In a word, under any situation, all having the dress to cuff is the problem that state carries out misinterpretation.
Summary of the invention
The present invention, its purpose is, in order to solve based on above-mentioned prior art problems, even provide a kind of supply voltage to change, can judge correctly that also the dress of cuff is the electric sphygmomanometer of state.
In order to solve above-mentioned problem, and realize its purpose, the electric sphygmomanometer of the invention of technical scheme 1 has: cuff; Presser unit, it pressurizes to described cuff; Decompressing unit, it reduces pressure to described cuff; Pressure sensing cell, its pressure to described cuff detects; Identifying unit, it judges whether the moment passed through the stipulated time after the pressurization of described cuff begins satisfy reference value by the force value of the detected described cuff of described pressure sensing cell; Control unit, when it does not satisfy described reference value when the force value that is judged to be described cuff by described judging unit, described presser unit is stopped, and described decompressing unit is moved, it is characterized in that, also have the supply voltage value determination unit, it measures supply voltage value, changes described reference value according to the supply voltage value of being measured by described supply voltage value determination unit.
In addition, the electric sphygmomanometer of the invention of technical scheme 2, according to the invention of record in the technical scheme 1, described identifying unit has: the reference value computing unit, it calculates described reference value according to the supply voltage value of being measured by described supply voltage value determination unit; And comparing unit, its described reference value that will be calculated by described reference value computing unit compares with pressure by the detected described cuff of described pressure sensing cell, described identifying unit, when comparative result based on described comparing unit, the pressure of described cuff is judged to be and does not satisfy reference value during less than described reference value.
In addition, the electric sphygmomanometer of the invention of technical scheme 3, invention according to record in the technical scheme 2, it is characterized in that described identifying unit also has: timing unit, its instrumentation are begun the elapsed time after the pressurization of described cuff by described presser unit, described identifying unit, reached moment of official hour in the described elapsed time,, be judged to be and do not satisfy reference value when the pressure of described cuff during less than described reference value by described timing unit institute instrumentation.
And, the electric sphygmomanometer of the invention of technical scheme 4, each invention according to record in the technical scheme 1～3 is characterized in that, described supply voltage value determination unit, mensuration has been passed through the supply voltage value after the stipulated time by the pressurization that described presser unit begins described cuff.
According to the present invention, even under the supply voltage behind the battery altering is high state, even or because the deterioration of battery and supply voltage are under the low state, the reference value that the pressure of the cuff when the dress of judging cuff is state compares can both obtain suitable value.Therefore, can judge that the dress of cuff is a state according to supply voltage.
According to electric sphygmomanometer of the present invention, can judge correctly that also the dress of cuff is the effect of state even can obtain the supply voltage change.
Description of drawings
Fig. 1 is the integrally-built block diagram of the electric sphygmomanometer of expression embodiments of the present invention 1.
Fig. 2 is the block diagram of structure of identifying unit of the electric sphygmomanometer of expression embodiments of the present invention 1.
Fig. 3 is the chart of an example of reference value setting table of the electric sphygmomanometer of expression embodiments of the present invention 1.
Fig. 4 is the performance plot of an example of the relation of the supply voltage value of electric sphygmomanometer of expression embodiments of the present invention 1 and reference value.
Fig. 5 is the block diagram of structure of comparing unit of the electric sphygmomanometer of expression embodiments of the present invention 1.
Fig. 6 is the flow chart of blood pressure determination step of the electric sphygmomanometer of expression embodiments of the present invention 1.
Fig. 7 represents that the cuff dress of the electric sphygmomanometer of embodiments of the present invention 1 is the flow chart of condition judgement step.
Fig. 8 is the integrally-built block diagram of the electric sphygmomanometer of expression embodiments of the present invention 2.
Fig. 9 is the flow chart of blood pressure determination step of the electric sphygmomanometer of expression embodiments of the present invention 2.
Figure 10 be the dress of expression cuff be state with pressurize in sleeve variation with pressure between the performance plot of relation.
Among the figure: 1-cuff, 2-pressure sensing cell, 3-presser unit, the 4-decompressing unit, 9-power supply, 11-supply voltage value determination unit, the 12-identifying unit, 13-pressurized control unit, the 14-control unit that reduces pressure, 21-reference value computing unit, the 23-comparing unit, 31-timing portion, 41-is exhaust unit rapidly, 43-aerofluxus control unit.
The specific embodiment
The following preferred implementation that explains electric sphygmomanometer of the present invention with reference to accompanying drawing.And, in the explanation and accompanying drawing of following embodiment, give identical symbol to identical structure, the repetitive description thereof will be omitted.
Fig. 1 is the integrally-built block diagram of the electric sphygmomanometer of expression embodiments of the present invention 1.As shown in Figure 1, electric sphygmomanometer has cuff 1, pressure sensing cell 2, presser unit 3, decompressing unit 4, display unit 5, operating unit 6 and microcomputer (hereinafter referred to as microcomputer) 7.Cuff 1, pressure sensing cell 2, presser unit 3 and decompressing unit 4 connect by flexible pipe 8.
The driving voltage of presser unit 3 and decompressing unit 4 is supplied with by power supply 9.Power supply 9 is made of battery.At this, for example suppose with rated voltage (nominal voltage) to be 4 situations that aneroid battery is connected in series of 1.5 volts.In addition, the built-in supply voltage of the electric sphygmomanometer actuator 10 that carries out blood pressure lowering to power supply 9.The driving voltage of pressure sensing cell 2 and microcomputer 7 is supplied with by actuator 10.
The pressure of 2 pairs of cufves 1 of pressure sensing cell detects.Pressure sensing cell 2 for example is made of pressure transducer.Presser unit 3 comes cuff 1 is pressurizeed according to the output signal of microcomputer 7.Presser unit 3 for example is made of pump from fluid such as air (below, only be called air etc.) to cuff 1 that send.
Decompressing unit 4 descends the pressure of cuff 1 according to the output signal of microcomputer 7.Decompressing unit 4 is for example by the air in the cuff 1 etc. being carried out dead slow speed and deflated rapidly air bleeding valve constitutes.This air bleeding valve, but when blood pressure determination, open with the deflated aperture of dead slow speed, and at leisure cuff 1 is reduced pressure.In addition, air bleeding valve when blood pressure determination finishes and blood pressure determination described later open fully when ending, cuff 1 is carried out rapid decompression.And decompressing unit 4 also can constitute to have carries out the deflated dead slow speed air bleeding valve of dead slow speed and carries out deflated rapidly air bleeding valve rapidly the air in the cuff 1 etc.
Microcomputer 7 has supply voltage determination unit 11, identifying unit 12, pressurized control unit 13, decompression control unit 14, pulse wave detecting unit 15 and pressure value decision unit 16.11 pairs of pressurizations from cuff 1 of supply voltage determination unit begin to measure through the magnitude of voltage of the power supply 9 after the stipulated time.Supply voltage determination unit 11 for example is made of analog-digital converter, and will convert digital signal to from the supply voltage value that power supply 9 is supplied with as analogue signal.
Identifying unit 12, pressurized control unit 13, decompression control unit 14, pulse wave detecting unit 15 and pressure value decision unit 16 are carried out the blood pressure determination program by microcomputer 7 and are realized.Identifying unit 12 is judged after the pressurization of cuff 1 begins, and whether the pressure of cuff 1 that has passed through the moment of stipulated time satisfies reference value.The reference value of this moment begins to decide through the supply voltage value after the stipulated time according to the pressurization from cuff 1.Structure for identifying unit 12 is described in the back.
Decompression control unit 14 after the pressurization of cuff 1 finishes, is opened air bleeding valve and is made air etc. carry out the dead slow speed aerofluxus from cuff 1.At this moment, decompression control unit 14 carries out the control of the aperture of air bleeding valve according to the decompression rate by the pressure of the detected cuff 1 of pressure sensing cell 2.In addition, decompression control unit 14 is when blood pressure determination finishes, and response opens air bleeding valve from the notice of pressure value decision unit 16 fully.And decompression control unit 14 when the pressure of cuff 1 does not satisfy reference value, opens air bleeding valve based on the result of determination of above-mentioned identifying unit 12 fully.
Pulse wave detecting unit 15 is when the dead slow speed decompression of cuff 1, and pulse wave composition included in the output signal to pressure sensing cell 2 detects.Pressure value decision unit 16 is according to by the detected pulse wave composition of pulse wave detecting unit 15, for example by based on many institutes week the blood pressure of vibration survey ripple (oscillometric) method determine algorithm, decide maximal blood pressure value and minimal blood pressure value.The pressure value that is determined is shown in the display unit 5.In addition, pressure value decision unit 16 if determined pressure value, then for air bleeding valve is opened fully, finishes to decompression control unit 14 notice mensuration.
Fig. 2 is the block diagram of the structure of expression identifying unit 12.As shown in Figure 2, identifying unit 12 has reference value computing unit 21, reference value memory element 22 and comparing unit 23.Reference value computing unit 21 for example, as described below, decides reference value according to reference value setting table according to the supply voltage value of being measured by supply voltage value determination unit 11.This reference value is set table, can be stored in the non-volatile memorizer that is built in the microcomputer 7, also can record and narrate in the blood pressure determination program of microcomputer 7 execution.
Fig. 3 is the chart of an example of expression reference value setting table, and Fig. 4 is the performance plot of an example of the relation of expression supply voltage value and reference value.As shown in these figures, though do not limit especially, the reference value that is made as when for example supply voltage is less than 4 volts is P
4Reference value when mmHg, 6 volts are above is P
6MmHg.(P as shown in Figure 4
4With P
6Become P
4＜P
6Relation).And the reference value of supply voltage more than 4 volts and less than 6 volts the time is if be made as V with supply voltage
BAT, then obtain by following formula.
Reference value=(V
BAT-4) * (P
6-P
4)/2+P
4
But,, be that 4 volts situation is as example with the minimum running voltage of the electric sphygmomanometer of embodiment at this.The marginal value of the supply voltage value when therefore, setting reference value is that the minimum running voltage according to electric sphygmomanometer changes.In addition, supply voltage is 4 volts of above and the supply voltage value during less than 6 volts and the relations between the reference value, is not limited to above-mentioned formula, and various changes can be arranged.For example, also can be in this supply voltage scope, reference value is from P
4MmHg is to P
6Change to the mmHg stage, or curve-like ground changes.
The reference value that described reference value memory element 22 storages are obtained by reference value computing unit 21.Reference value memory element 22 for example is made of depositor.The reference value that comparing unit 23 will be stored in reference value memory element 22 compares with pressure by the detected cuff 1 of pressure sensing cell 2.The structure of comparing unit 23 is following like that.
Fig. 5 is the block diagram of the structure of expression comparing unit 23.As shown in Figure 5, comparing unit 23 has timing portion 31 and comparing section 32.31 pairs in timing portion by presser unit 3 after the pressurization of beginning cuff 1 through time carry out instrumentation.Timing portion 31, the timer that picks up counting when for example being begun by the pressurization at cuff 1 constitutes.This timer is then notified to comparing section 32 if begin to have passed through the stipulated time from timing.
Comparing section 32 then receives sleeve detected value with pressure from pressure sensing cell 2 as if the notice that receives the process stipulated time from timer, and receives reference values from reference value memory element 22, carries out the comparison of cuff pressure and reference value.When comparing section 32 is forced down in reference value when cuff, as result of determination based on above-mentioned identifying unit 12, export the signal of the driving that stops pump (presser unit 3) to pressurized control unit 13, and export the signal that air bleeding valve (decompressing unit 4) is opened fully to decompression control unit 14.
Fig. 6 is the flow chart of blood pressure determination step of the electric sphygmomanometer of expression embodiments of the present invention 1.As shown in Figure 6, begin blood pressure determination and handle if by the user mensuration start button of operating unit 6 etc. is operated, then at first, pressurized control unit 13 drives presser unit 3 and begins the pressurization (step S1) of cuff 1.If the pressurization of beginning cuff 1, then pass through the stipulated time after, supply voltage determination unit 11 is measured the magnitude of voltage (step S2) of power supplys 9.
Then, the reference value setting table that reference value computing unit 21 is represented with reference to Fig. 3, and according to obtaining reference value at the resulting supply voltage value of step S2.Then, reference value computing unit 21 stores this reference value in the reference value memory element 22 (step S3).Then, sign (below, the be called the timer sign) F with the duty of expression timer is set at original state (step S4).The original state of timer sign F is the state with the sign cancellation, and the value of this moment is " 0 ".
Then, enter step S5,,, still without how long crossing, be less than the moment of judging, after beginning from the pressurization of cuff 1 here so can continue common compression motion (step S5: not) though carry out the judgement that the dress of cuff 1 is a state.In addition, the determination step for step S5 is described in the back.Then, judge the pressure that whether reaches the pressurization that stop cuff 1, promptly stop the judgement (step S6) of pressing.Even after this stage begins from the pressurization of cuff 1,, do not reach and stop to press (step S6: not) not through how long yet.Therefore, continue the pressurized control (step S7) of cuff 1.Then, return step S5.
During the pressurized control that continues cuff 1,, then carry out this judgement (step S5) if reach the judgement moment that the dress of cuff 1 is a state.At this, the dress of establishing cuff 1 is that state is good (step S5: not).Therefore, continue common compression motion.Wherein stop to press (step S6: be) as if reaching, then pressurized control unit 13 stops the pressurization (step S8) based on the cuff 1 of presser unit 3.Simultaneously, decompression control unit 14, beginning is based on the dead slow speed aerofluxus of decompressing unit 4, and the decompression (step S9) of beginning cuff 1.Then, pulse wave detecting unit 15 and pressure value decision unit 16 in the dead slow speed decompression of cuff 1, carry out blood pressure determination (step S10) by known blood pressure decision algorithm.
Though the decision according to maximal blood pressure value and minimal blood pressure value finishes blood pressure determination, here, be after the decompression of cuff 1 has just begun, do not determine any pressure value.Therefore, do not become end (the step S11: not), continue the decompression control (step S12) of cuff 1 of blood pressure determination.Then, return step S10, continue blood pressure determination.If in blood pressure determination, determined maximal blood pressure value and minimal blood pressure value, then finish blood pressure determination (step S11: be).Then, decompression control unit 14, the air bleeding valve of opening decompressing unit 4 fully makes cuff 1 carry out rapid decompression (step S14), normally finishes blood pressure determination.
On the other hand, at step S5, the dress of cuff 1 be state pine situation or be unkitted (step S5: be) under the situation that is, pressurized control unit 13 stops the pressurization (step S13) based on the cuff 1 of presser unit 3.Then, decompression control unit 14, the air bleeding valve of opening decompressing unit 4 fully carries out the rapid decompression (step S14) of cuff 1, ends blood pressure determination.
Fig. 7 is that the cuff dress of the step S5 of presentation graphs 6 is the flow chart of condition judgement step.As shown in Figure 7, continue the step S4 of Fig. 6,, then at first, judge whether timer sign F sets up (step S21) if beginning cuff dress is the determination processing of state.Value when timer sign F sets up is " 1 ".Herein, in step S4 for the value of timer sign F just is set at " 0 " afterwards, so the value of timer sign F is not " 1 " (step S21: not).
Timing portion 31 picks up counting when the value of this timer sign F is " 0 ".Therefore, continue step S21, timing portion 31 is set at " 0 " with the value t of timer, and from then on pick up counting (step S22).Then, owing to be in the timing, the value of timer sign F is set to " 1 " (the step S23) in the expression timing.Then, enter the step S6 of Fig. 6, proceed pressurized control.
Once more, continue the step S4 of Fig. 6, if beginning cuff dress is the determination processing of state, then the value of current timer sign F becomes " 1 " (step S21: be).When this state, the value t of timer is not if reach value a (the step S24: not), then enter the step S6 of Fig. 6, and proceed pressurized control that is scheduled to.
Once more, continue the step S4 of Fig. 6, beginning cuff dress is the determination processing of state, if the value t of the timer in the timing reaches the value a (step S24: be) that be scheduled to, then comparing section 32 is carried out the comparison of the reference value obtained among the step S3 of sleeve detected value with pressure at this moment and Fig. 6.Then, comparing section 32 judges that whether the cuff pressure is than reference value little (step S25).
(step S25: not), then comparing section 32 judges that cuff is normally to roll up, and enters the step S6 of Fig. 6 more than or equal to reference value if cuff is pressed.Then, proceed pressurized control.On the other hand, if cuff pressure ratio reference value little (step S25: be) then enters the step S13 of Fig. 6, end blood pressure determination.
Though the electric sphygmomanometer of embodiment 1 is an electric sphygmomanometer of measuring blood pressure in the dead slow speed decompression of cuff 1, the electric sphygmomanometer of embodiment 2 then is an electric sphygmomanometer of measuring blood pressure in the pressurization of cuff 1.Therefore, the structure of the electric sphygmomanometer of embodiment 2 is different with the structure of the electric sphygmomanometer of embodiment 1 at following point.And, give identical symbol and the repetitive description thereof will be omitted at the structure identical with embodiment 1.
Fig. 8 is the integrally-built block diagram of the electric sphygmomanometer of expression embodiments of the present invention 2.As shown in Figure 8, in the electric sphygmomanometer of embodiment 2, instead the decompressing unit of the decompressing unit 4 of embodiment 1 is provided with exhaust unit 41 rapidly.This rapidly exhaust unit 41 be connected with cuff 1 by flexible pipe 8.In addition, replace the decompression control unit 14 of microcomputer 7, in microcomputer 42, be provided with aerofluxus control unit 43 as the decompression control unit.
In embodiment 2, pressure value decision unit 16, decision pressure value and be used to notice that pump is stopped to pressurized control unit 13, and be used to notice that air bleeding valve is opened fully to aerofluxus control unit 43.Identifying unit 12 is used to notice that pump is stopped to pressurized control unit 13 when ending blood pressure determination, and is used to notice that air bleeding valve is opened fully to aerofluxus control unit 43.Aerofluxus control unit 43 is then opened air bleeding valve fully if receive the notice of opening fully from pressure value decision unit 16 or identifying unit 12.Pressurized control unit 13 then stops the driving of pump if receive the notice that pump stops from pressure value decision unit 16 or identifying unit 12.
Fig. 9 is the flow chart of blood pressure determination step of the electric sphygmomanometer of expression embodiments of the present invention 2.As shown in Figure 9, in the blood pressure determination step of the electric sphygmomanometer of embodiment 2, from step S31 to step S35, identical to step S5 with in the embodiment 1 from step S1.Therefore, in the step S1 of Fig. 6 illustrates to step S5, step S1, step S2, step S3, step S4 and step S5 are replaced with step S31, step S32, step S33, step S34 and step S35 respectively, and the repetitive description thereof will be omitted.
If the beginning blood pressure determination is handled, then at first, order is carried out the processing from step S31 to step S34.The value of in step S34, setting timer sign F be " 0 " afterwards, though having carried out the dress of cuff 1 is the judgement of state, at this, after beginning from the pressurization of cuff 1 still without how long crossing, and do not reach the moment of judging, so continue common compression motion (step S35: not).Then, pulse wave detecting unit 15 and pressure value decision unit 16 in the pressurization of cuff 1, carry out blood pressure determination (step S36) by known blood pressure decision algorithm.
Though the decision according to maximal blood pressure value and minimal blood pressure value finishes blood pressure determination,, begin still also not determine any pressure value without how long crossing from the pressurization of cuff 1 at this.Therefore, do not become end (the step S37: not), continue the pressurized control (step S38) of cuff 1 of blood pressure determination.Then, return step S35, and continue blood pressure determination.
If maximal blood pressure value and minimal blood pressure value have determined in blood pressure determination, then finish blood pressure determination (step S37: be).If blood pressure determination finishes, then pressurized control unit 13 stops the pressurization (step S39) based on presser unit 3 cufves 1.Then, aerofluxus control unit 43 opens fully rapidly that the air bleeding valve of exhaust unit 41 makes cuff 1 carry out rapid decompression (step S40), normally finishes blood pressure determination.
On the other hand, in step S35, the dress of cuff 1 be state pine situation or be unkitted (step S35: be) under the situation that is, pressurized control unit 13 stops the pressurization (step S39) based on the cuff 1 of presser unit 3.Then, aerofluxus control unit 43 opens fully rapidly that the air bleeding valve of exhaust unit 41 carries out the rapid decompression (step S40) of cuff 1, and ends blood pressure determination.
About the cuff of step S35 dress is the determination step of state, with reference to Fig. 7 as illustrated in the enforcement mode 1, so omit at this.But, among the explanation about Fig. 7, step S3, step S4, step S10 and step S13 are replaced with step S33, step S34, step S36 and step S39 respectively, Fig. 6 is replaced with Fig. 9.
As mentioned above, according to embodiment 1 or 2, even the supply voltage behind the battery altering is high state, even or because the deterioration of battery and supply voltage is low state, the also reference value that can obtain being fit to according to its supply voltage from reference value setting table.Therefore, even the supply voltage change, also can obtain the dress that can correctly judge cuff 1 is the effect of state.And, be state by the dress of correctly judging cuff 1, not only can avoid the deterioration of blood pressure determination precision, also can prevent the breakage of cuff 1.
The industrial possibility of utilizing
As more than, electronic sphygmomanometer of the present invention is applicable to have before the beginning blood pressure determination judges that the dress of cuff is the electronic sphygmomanometer of state function.
Claims (4)
1. an electric sphygmomanometer has: cuff; Presser unit, it pressurizes to described cuff; Decompressing unit, it reduces pressure to described cuff; Pressure sensing cell, its pressure to described cuff detects; Identifying unit, whether the moment of having passed through the stipulated time after it begins the pressurization at described cuff satisfies reference value by the force value of the detected described cuff of described pressure sensing cell is judged; Control unit when it does not satisfy described reference value when the force value that is judged to be described cuff by described judging unit, stops described presser unit, and makes described decompressing unit action, it is characterized in that,
Also have: the supply voltage value determination unit, it measures supply voltage value,
Change described reference value according to the supply voltage value of being measured by described supply voltage value determination unit.
2. electric sphygmomanometer according to claim 1 is characterized in that,
Described identifying unit has:
The reference value computing unit, it calculates described reference value according to the supply voltage value of being measured by described supply voltage value determination unit; With
Comparing unit, its described reference value that will be calculated by described reference value computing unit compares with pressure by the detected described cuff of described pressure sensing cell,
Described identifying unit, when the comparative result based on described comparing unit, the pressure of described cuff is judged to be and does not satisfy reference value during less than described reference value.
3. electric sphygmomanometer according to claim 2 is characterized in that,
Described identifying unit also has: timing unit, and its elapsed time after to the pressurization that is begun described cuff by described presser unit is carried out instrumentation,
Described identifying unit has reached moment of official hour in the described elapsed time by described timing unit institute instrumentation, when the pressure of described cuff during less than described reference value, is judged to be and does not satisfy reference value.
4. according to each described electric sphygmomanometer in the claim 1～3, it is characterized in that,
Described supply voltage value determination unit has passed through the supply voltage value after the stipulated time to the pressurization that is begun described cuff by described presser unit and has measured.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP025219/2007 | 2007-02-05 | ||
| JP2007025219A JP4134234B1 (en) | 2007-02-05 | 2007-02-05 | Electronic blood pressure monitor |
| PCT/JP2008/051842 WO2008096741A1 (en) | 2007-02-05 | 2008-02-05 | Electronic blood pressure meter |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101578066A CN101578066A (en) | 2009-11-11 |
| CN101578066B true CN101578066B (en) | 2011-05-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2008800013682A Active CN101578066B (en) | 2007-02-05 | 2008-02-05 | Electronic blood pressure meter |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JP4134234B1 (en) |
| CN (1) | CN101578066B (en) |
| WO (1) | WO2008096741A1 (en) |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI471118B (en) * | 2009-02-06 | 2015-02-01 | Omron Healthcare Co Ltd | A blood pressure measuring device having a cuff wound around a measuring portion |
| DE102010012545A1 (en) | 2010-03-23 | 2011-09-29 | Fresenius Medical Care Deutschland Gmbh | A device for detecting moisture for use with a device for monitoring access to a patient, in particular for monitoring vascular access in an extracorporeal blood treatment |
| JP5589501B2 (en) | 2010-03-30 | 2014-09-17 | オムロンヘルスケア株式会社 | Blood pressure measuring device |
| JP2011206325A (en) | 2010-03-30 | 2011-10-20 | Omron Healthcare Co Ltd | Blood pressure measurement device |
| CN103228204B (en) * | 2010-11-30 | 2015-08-19 | 欧姆龙健康医疗事业株式会社 | The electric sphygmomanometer of function is confirmed with simple and easy blood pressure |
| JP5811766B2 (en) | 2011-10-26 | 2015-11-11 | オムロンヘルスケア株式会社 | Electronic blood pressure monitor |
| JP5853587B2 (en) | 2011-10-26 | 2016-02-09 | オムロンヘルスケア株式会社 | Electronic blood pressure monitor |
| JP6385698B2 (en) * | 2014-03-27 | 2018-09-05 | シチズン時計株式会社 | Electronic blood pressure monitor |
| JP6627502B2 (en) | 2015-12-28 | 2020-01-08 | オムロンヘルスケア株式会社 | Electronic sphygmomanometer |
| CN112137605B (en) * | 2019-06-26 | 2022-03-29 | 华为技术有限公司 | Wearable blood pressure measuring device and tightness judging method thereof |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62155828A (en) * | 1985-12-27 | 1987-07-10 | テルモ株式会社 | Battery consumption detection system of electronic hemomanometer |
| JPH02114934A (en) * | 1988-10-24 | 1990-04-27 | Terumo Corp | Electronic hemomanometer |
| JPH0634781B2 (en) * | 1990-10-24 | 1994-05-11 | オムロン株式会社 | Electronic blood pressure monitor |
-
2007
- 2007-02-05 JP JP2007025219A patent/JP4134234B1/en active Active
-
2008
- 2008-02-05 CN CN2008800013682A patent/CN101578066B/en active Active
- 2008-02-05 WO PCT/JP2008/051842 patent/WO2008096741A1/en active Application Filing
Non-Patent Citations (4)
| Title |
|---|
| JP平2-114934A 1990.04.27 |
| JP平4-158833A 1992.06.01 |
| JP昭62-155828A 1987.07.10 |
| JP特开平5-42114A 1993.02.23 |
Also Published As
| Publication number | Publication date |
|---|---|
| JP4134234B1 (en) | 2008-08-20 |
| JP2008188197A (en) | 2008-08-21 |
| WO2008096741A1 (en) | 2008-08-14 |
| CN101578066A (en) | 2009-11-11 |
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Address after: Tokyo, Japan Patentee after: Citizen Watch Co., Ltd. Address before: Tokyo, Japan Patentee before: Citizen Watch Co., Ltd. |