CN201253204Y - Human blood-pressure Korotkoff's sound intensity image instrument - Google Patents
Human blood-pressure Korotkoff's sound intensity image instrument Download PDFInfo
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- CN201253204Y CN201253204Y CNU2008201531027U CN200820153102U CN201253204Y CN 201253204 Y CN201253204 Y CN 201253204Y CN U2008201531027 U CNU2008201531027 U CN U2008201531027U CN 200820153102 U CN200820153102 U CN 200820153102U CN 201253204 Y CN201253204 Y CN 201253204Y
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Abstract
The utility model discloses a human body blood-pressure Korotkoff sound strength image meter which uses a CPU for receiving series signal input which is converted into series signal output by digital program processing, wherein the series signal input comprises a Korotkoff sound simulation signal, a pressure signal and a function selection operating signal, and the series signal output mainly comprises LCD image display of Korotkoff sound pulse strength, sound/light prompt of Korotkoff sound, a data interface, work indication and sub-pressure indication. The human body blood-pressure Korotkoff sound strength image meter has the advantages of firstly enabling the human body blood pressure measurement of the Korotkoff sound method to be objective and clear to obtain the more-accurate measurement result and firstly enabling the human body blood pressure measurement to be stored as an electronic medical record. The utility model can effectively improve the medical level of the clinic, and the human body blood pressure measurement can be more convenient, rapid and accurate.
Description
Technical field
This utility model relates to Ke Shi sound method blood pressure measurement electronization technical field, is specifically related to a kind of human blood-pressure Korotkoff's high intensity image instrument.
Background technology
Human blood-pressure is a medical science in the important discovery in 18th century, and people know that blood pressure is the important sign of human health status now, also are the important judgement and the reference frames of medical diagnosis on disease and treatment.Find that sphygomanometer metering method and Measurement Study just become important problem after the blood pressure.Propose in the exploration before more than 100 year, more representational method has two kinds of concussion method and Ke Shi sound methods.
Succusion: 1896, a German Research person found, using the arm band to charge and discharge in the process of gas measurement blood pressure, along with the decline of external pressure, a wave of oscillation can occur in the gas in the arm band, and its amplitude is relevant with human blood-pressure.He thinks, records the amplitude of this wave of oscillation, just can try to achieve systolic pressure and diastolic pressure by certain conversion relation.After this suggestion was announced, further experiment can confirm that the wave of oscillation exists really, and amplitude also can detect, but alleged conversion relation is difficult to final conclusion.
Ke Shi sound method: 1905, the doctor Ke Luotekefu of Russia (Korotkoff) finds, shrivel by the brachial artery of pressurization with the arm band that air bag is housed upper arm crook of the arm top, in venting decompression process subsequently, can detect blood flow by stethoscope and wash open again and can send that the blood identical with the rhythm and pace of moving things aroused in interest impacts, refluxes, friction mixes sound behind the blood vessel, promptly naming this species rhythm sound afterwards is the Ke Shi sound.Press loudness of a sound, tone, tone color, the Ke Shi sound can be divided into snap sound, noise, flapping sound, seal sound and 5 phases of disappearance sound or 5 mutually.Ke Shi suggestion: the balance external pressure of the Ke Shi sound first sound correspondence when getting the snap sound and occurring is systolic pressure; For the adult, getting the corresponding external pressure of " disappearance sound " (often being taken as the most last sound that may detect) is diastolic pressure; For the child, getting flapping sound " changing voice " corresponding external pressure when sealing the sound transformation is diastolic pressure; Human blood-pressure is promptly united expression with " systolic pressure/diastolic pressure ".Human sphygomanometer metering method and measuring method of generally acknowledging over more than 100 year that Here it is, global clinic then use stethoscope to survey the Ke Shi sound to measure human blood-pressure always.
After Ke Shi sound method was established, world medical circle adopted by people's ear always and surveys the Ke Shi sound by stethoscope, disposed a suitable gas gauge again in order to metering with show added gas external pressure, thereby judged human blood-pressure.The method that this stethoscope+gas gauge is measured blood pressure promptly is called auscultation.Because the utensil that not have more reliable method and be suitable for, auscultation is taken as the classical implementation of Ke Shi sound method always, and as the blood pressure measurement standard method, even to be said to be what is called " goldstandard " by global clinic.But, along with development of science and technology, The development in society and economy particularly, the defective of auscultation is more and more obvious, sums up and gets up to have following several respects:
1, the basic norm of Ke Shi sound method will be visited reliably exactly and get its first sound and definite according to this systolic pressure of the most last sound (or " changing voice ") and diastolic pressure.Because always two ends are the most weak, the fuzzyyest for the Ke Shi sound pulse array of any individuality, therefore to reliably visit and get its first sound and the most last sound and be not easy.In auscultation, the gauger carries out this spy with oneself ear by stethoscope and gets, its reliability is decided by subjective factors and stethoscopic quality such as gauger's professional training level, audition, attention, working attitude fully, subjectivity and error rate are inevitable quite big, because this itself is exactly a kind of no standard or off-gauge, subjective conclusive measurement; Listen the blood pressure of surveying certain testee with a multi-joint stethoscope simultaneously by same auscultation head, the difference as a result that each tin survey person quotes can be very big, and this is a common phenomena in the medical colleges and schools;
2, along with society and constant development of economy, hypertension becomes the commonly encountered diseases that threatens human health and life, presses for easy, reliable blood pressure measurement utensil, to promote testing oneself, surveying mutually of blood pressure, improves blood pressure and knows rate.Auscultation needs professional training, also needs good audition and attention, obviously is not suitable for or can not applies in addition in the medical science palace;
3, along with the development of information technology, increasing medical parameter needs storage, reviews, and this blood pressure measurement of artificialization fully of auscultation can not adapt to the medical science modernization requirement of this case history electronization.
These basic defects of auscultation enlighten and require the research of blood pressure measurement electronization for a long time.In this research, oscillographic method had great influence.After the fifties in last century, the someone proposes to detect the aforementioned wave of oscillation with electronic method and measures human blood-pressure, and is referred to as oscillographic method, the just aforementioned succusion of its essence, and just oscillographic method thinks that further the amplitude of the wave of oscillation is corresponding to the human blood-pressure meansigma methods; Record the balance external pressure of this amplitude correspondence, seek a kind of conversion method again, just can calculate systolic pressure and diastolic pressure.But, though the oscillographic method electric sphygmomanometer that designs thus and make through various technological improvements, all universality is poor, thisly in fact is proved to be impracticable in the plan of setting up blood pressure metering and measuring method separately.Afterwards, oscillographic method just tried hard to approach to Ke Shi sound method on electronics " calculation " method.2002, the international recommendation of the issue R16-2 of OIML (QIML) " noinvasive automatic sphygmomanometer ", clear and definite oscillographic method is the method for a kind of " calculation " blood pressure, the maximum mean error that suggestion requires its control survey blood pressure for ± 0.7kPa (± 5mmHg), maximum experimental standard deviation is 1.1kPa (8mmHg).Such range of error obviously is that medical measurement is unacceptable.
In repeatedly, history is reaffirmed the scientific method of Ke Shi sound method as noinvasive IBPMS amount and measurement, the direction of blood pressure measurement electronization is exactly the direction of Ke Shi sound method electronization, its main idea is: survey the Ke Shi sound with electron detector, be converted to piping of buzzer, read to remember systolic pressure from the gas gauge of adapted when occurring piping for first, read to remember diastolic pressure during last.Here it is, and electronics helps survey formula blood pressure measurement utensil, and name of product is just like " electronic auscultation sphygmomanometer ", " help and read the formula sphygomanometer " etc.
Electronics helps survey formula blood pressure measurement utensil to experience difficult research, development course equally.Last century end, the formula sphygomanometer of reading that helps of Shanghai ShangDa Medical Instrument Co., Ltd.'s development at inventor place has been obtained success finally, and it helps reliability, the accuracy of measuring blood pressure to obtain the common approval of market and scientific and technological circle.This innovation direction is correct certainly for famous bioengineer, Chinese Academy of Engineering Yu Meng Sun academician, and the product design principle is reliable, and sums up its principle and be: use the high sensitivity detection systolic pressure, and then according to the regularity judgement diastolic pressure of human body Ke Shi sound.Shanghai City food and medicine Surveillance Authority measures for " being used for human body systolic pressure and diastolic pressure for medical practitioner " in the desired use of this product of approval registration in the end of the year 2007 on the basis of strictness demonstration.
We can say, help and read formula sphygomanometer series products and avoided effectively the subjectivity of Ke Shi sound is surveyed, realized the mechanization of surveying, also test oneself, survey mutually utensil for masses provide easy, reliable blood pressure.But it also is not to show the Ke Shi sound of testee in direct mode to people, because historical reasons, people often suspect still whether its prompting pipes corresponding synchronously with real Ke Shi sound, and this has just hindered applying of it; Simultaneously, help and read the present formation of formula sphygomanometer series products and can not adapt to pressing for of above-mentioned case history electronization.
Therefore, be the electronization development that adapts to society science and technology and people's actual demand, the armarium of developing a kind of novel blood pressure detection overcomes above-mentioned shortcoming have been become and has pressed for.
The utility model content
Technical problem to be solved in the utility model is, a kind of human blood-pressure Korotkoff's high intensity image instrument is provided, it can show, export and store the Ke Shi loudness of a sound degree image of testee blood pressure in more direct mode, makes the human body blood pressure more convenient, more reliable, and efficient is higher.
In order to address the above problem the technical solution of the utility model is such:
A kind of human blood-pressure Korotkoff's high intensity image instrument comprises CPU central processing system, the signal input device that is connected with CPU central processing system input, the signal output apparatus and the DC power-supply system that are connected with CPU central processing system outfan.
The series of signals input of described CPU central processing system received signal input equipment by the internal digital routine processes, is converted to the series of signals output of signal output apparatus.Described CPU central processing system is the combined CPU that is constituted by one or more CPU, its program of compiling and editing receives and handles all kinds of input signals of the electronic module of described input equipment, be transformed into corresponding all kinds of output digital signal, control the electronic module of described outut device.
Described signal input device includes: with the CPU central processing system signal input part be connected korotkoff sound sensor module, pressure sensor module, function selecting operating system module and under-voltage detecting module arranged, be relation in parallel between described korotkoff sound sensor module, pressure sensor module, function selecting operating system module and the under-voltage detecting module.
Described korotkoff sound sensor module is to be connected with the CPU central processing system by the filter amplifier module, an end that is the korotkoff sound sensor module connects the filter amplifier module, the other end of described filter amplifier module connects the CPU central processing system, the korotkoff sound sensor module produces Ke Shi sound analogue signal, and the analog circuit filtering and the amplification that in the filter amplifier module, are fit to, be transferred to CPU central processing system module then;
Described pressure sensor module one end connects the CPU central processing system, the other end of pressure sensor module connects the control pressurer system module, described control pressurer system module controls pressure sensor module, the pressure signal that pressure sensor module is produced is transferred to the CPU central processing system;
Described function selecting operating system module directly links to each other with the CPU central processing system, and to CPU central processing system transfer function operation signal, described feature operation signal comprises that mainly gain-adjusted, image move, stop and cls;
Described signal output apparatus mainly comprises LCD image display module, sound/light reminding module, work indicating module, under-voltage indicating module and data interface module, and the signal of output has: the LCD pictorial display of Ke Shi sound pulse strength, the sound of Ke Shi sound/light prompting, data-interface and work indication, under-voltage indication.
Described LCD image display module is by being transverse axis with pressure, corresponding Ke Shi sound pulse strength is the LCD pictorial display that the pictorial representation of the longitudinal axis goes out Ke Shi sound pulse strength, people can judge systolic pressure and diastolic pressure from the pressure of LCD figure two ends pulse correspondence intuitively, and the LCD figure also can show the variation of heart rate simultaneously;
The alarm that the sound of described Ke Shi sound/light reminding module provides the pulse of Ke Shi sound to occur for the gauger;
Described data interface module comprises printing that can drive shown LCD figure and the interface that can be connected USB electronic health record memorizer, and promptly data interface module is connected with graphic printing module and usb interface module.
Described DC power-supply system is to provide 6V direct current supply by the 6V dc source to 3.3V manostat, CPU central processing system module, pressure sensor module and under-voltage detecting module, described 3.3V manostat provides 3.3V direct current supply to the filter amplifier module, provides A/D reference voltage to CPU central processing system module.
The beneficial effects of the utility model are, it can show the Ke Shi sound of testee with more direct screen synch exhibition method to people, blood pressure measurement is convenient, quick and accurate, the human blood-pressure Korotkoff's high intensity image instrument that this utility model provides not only makes for the first time human Ke Shi sound method blood pressure measurement become objective, transparent, measurement result is indubitable, and make human blood pressure measurement realize trackability for the first time, for the first time human blood pressure measurement can be stored and make electronic health record.
Description of drawings
Further describe this utility model below in conjunction with the drawings and specific embodiments;
Fig. 1 is the structural representation of a kind of human blood-pressure Korotkoff's high intensity image instrument of this utility model;
Fig. 2 is the electronic functional module connection diagram of a kind of human blood-pressure Korotkoff's high intensity image instrument of this utility model;
Fig. 3 is once that typical Ke Shi sound generates and intensity image;
Fig. 4 is that a kind of human blood-pressure Korotkoff's high intensity image instrument of this utility model is applied to the LCD pictorial display that described that time of Fig. 3 measurement should generate;
Fig. 5 is the LCD pictorial display that a kind of human blood-pressure Korotkoff's high intensity image instrument speed change venting of this utility model should generate.
The specific embodiment
For technological means, creation characteristic that this utility model is realized, reach purpose and effect is easy to understand, below in conjunction with concrete diagram, further set forth this utility model.
A kind of human blood-pressure Korotkoff's high intensity image instrument of this utility model comprises CPU central processing system 1, the signal input device that is connected with CPU central processing system input, the signal output apparatus and the DC power-supply system that are connected with CPU central processing system outfan.The series of signals input of described CPU central processing system 1 received signal input equipment by the internal digital routine processes, is converted to the series of signals output of signal output apparatus.
Referring to Fig. 1, a kind of human blood-pressure Korotkoff's high intensity image instrument of this utility model,
Fig. 2 has represented each electronic functional module of a kind of human blood-pressure Korotkoff's high intensity image instrument of this utility model and mutual annexation thereof.
Referring to Fig. 2, CPU central processing system 1 is key of the present utility model, multi-functional digital information processing module, the combined CPU that constitutes by one or more CPU, its program of compiling and editing receives and handles all kinds of input signals of the electronic module of described input equipment, be transformed into corresponding all kinds of output digital signal, control the electronic module of described outut device.
The described signal input device that is connected with CPU central processing system input comprises: korotkoff sound sensor module 2, pressure sensor module 3, function selecting operating system module 4 and under-voltage detecting module 5 are relation in parallel between described korotkoff sound sensor module 2, pressure sensor module 3, function selecting operating system module 4 and the under-voltage detecting module 5.
Described korotkoff sound sensor module 2 links to each other with CPU central processing system 1 by a filter amplifier module 21, an end that is korotkoff sound sensor module 1 connects filter amplifier module 21, the other end of described filter amplifier module 21 connects CPU central processing system 1, korotkoff sound sensor module 4 produces Ke Shi sound analogue signal, and the analog circuit filtering and the amplification that in filter amplifier module 21, are fit to, be transferred to CPU central processing system module 1 then; The input of described Ke Shi sound analogue signal is that the compound action that is connected by korotkoff sound sensor module 2 and filter amplifier module 21 generates, be the signal source of LCD pictorial display harmony/light prompting two outputs, after CPU central processing system 1 is handled, become described two outputs;
Described pressure sensor module 3 one ends connect CPU central processing system 1, the other end of pressure sensor module 3 connects control pressurer system module 31, described control pressurer system module 31 controlled pressure sensor assemblies 3, the pressure signal that pressure sensor module 3 is produced is transferred to CPU central processing system 1;
Described control pressurer system module 31 by arm band internal airbag, inflate ball, automatic blow off valve valve air relief, manually vent valve, tail gas valve and connection tube constitute; When needs generate the LCD pictorial display of even blood pressure lowering, evenly venting decompression; When needs are saved consultation hours, the variable-ratio venting generates the LCD pictorial display that two ends are tightened, the centre is loose, because this utility model is typical Ke Shi sound method blood pressure measuring device, Ke Shi sound detector localization is surveyed the Ke Shi sound, should adopt standard-sized soft cloth arm band; Gas pressure in the described pressure sensor module 3 feeler arm band air bags is transformed into the signal of telecommunication, is transferred to CPU central processing system 1, becomes a coordinate signal source of LCD pictorial display after treatment.The Ke Shi sound detector of described pick off is preset in the described arm band, can aim at the brachial dance position when measuring colligation, the Ke Shi tone signal of being surveyed is given described filter amplifier 21 by suitable cable transmission, and described arm band is parts of control pressurer system module 31 shown in Figure 1.
Described feature operation system module 4 directly links to each other with CPU central processing system 1, and to CPU central processing system 1 transfer function operation signal, described feature operation signal comprises that mainly gain-adjusted, image move, stop and cls;
Described under-voltage detecting module 5 directly links to each other with CPU central processing system 1, and the entire circuit system is carried out under-voltage detection.
The described signal output apparatus that is connected with CPU central processing system 1 outfan comprises: sound/light reminding module 6, work indicating module 7, under-voltage indicating module 8, LCD image display module 9, data interface module 10, be relation in parallel between described sound/light reminding module 6, work indicating module 7, under-voltage indicating module 8, LCD image display module 9, the data interface module 10, and corresponding with each electronic functional module of described input equipment.
Described sound/light reminding module 6 all will trigger once flash of light or buzzer call at the Ke Shi sound or the noise of each sufficient intensity, send possible Ke Shi sound pulse alarm to this equipment user;
Described work indicating module 7 is provided with display lamp, and whether described display lamp green lights the break-make of informing 6V direct current supply;
Described under-voltage indicating module 8 also is provided with display lamp, and whether described display lamp yellow is determined to light to inform whether 6V direct current supply is under-voltage after CPU central processing system 1 is handled by under-voltage detection;
Described LCD image display module 9 handles with CPU central processing system 1 that the Ke Shi sound analogue signal of input synchronously and pressure signal be shown as with pressure on lcd screen be that transverse axis, corresponding Ke Shi sound pulse strength are the image that the longitudinal axis spreads in time, and the observer judges the blood pressure of testee in view of the above;
Described data interface module 10 is connected with graphic printing module 11 and usb interface module 12 again, comprises printing that can drive shown LCD figure and the interface that can be connected USB electronic health record memorizer.
Described DC power-supply system is to provide direct current supply by 6V dc source 13 to 3.3V manostat 14, CPU central processing system 1, pressure sensor module 3 and under-voltage detecting module 5; Described 3.3V manostat 14 provides 3.3V direct current supply to filter amplifier 21, provides A/D reference voltage to CPU central processing system 1.
Referring to Fig. 3, the once typical Ke Shi sound of its expression generates and intensity image, the last figure of Fig. 2 is with the cyclically-varying of testee brachial artery blood internal pressure in the current blood pressure measurement of curve representation, the part that indicates shade represents that they all produce corresponding Ke Shi sound pulse above swash of wave again and again of the blood of external pressure; Figure below of Fig. 2 has represented that then the intensity of pulse, tone color, tone show phasic Chang along with the Ke Shi sound pulse array that decline occurs appears in external pressure; External pressure drops to be lower than under the blood internal pressure prescribes a time limit, and normal pulse tone appears in Ke Shi sound detector below, has also demonstrated pulse tone several times among Fig. 2.
Fig. 4 is that a kind of human blood-pressure Korotkoff's high intensity image instrument of this utility model is applied to the LCD pictorial display that described that time of Fig. 3 measurement should generate.With existing help read formula sphygomanometer product different be that diastolic pressure pulse tone later can be revealed objective to represent, real image here among Fig. 3; CPU central processing system 1 will be discerned, reject and suppress to disturb reliably, and the capacity of resisting disturbance of whole electronic circuit is strong more, and Ke's formula sound pulse array image is just clear more in the LCD pictorial display; In this situation shown in Figure 4, the observer can judge clearly that according to the pressure abscissa of first pulse of Ke Shi sound and final pulse correspondence the blood pressure of testee is about " 128/82 " mmHg; The pulse rate of figure below shows after importing computing by CPU central processing system 1 according to Ke Shi sound analogue signal; The screen control system terminal of operating equipment, the LCD pictorial display picture of selecting, adjust, fix suitable can output print be the outpatient service record, or output to the electronic health record that memory stores is a testee.
Fig. 5 is the LCD pictorial display that a kind of human blood-pressure Korotkoff's high intensity image instrument speed change venting of this utility model should generate.Because this utility model mainly uses for the clinic, for saving consultation hours, reduce patient's misery, the speed change venting is the measure that often needs.This Fig. 5 represents that certain hyperpietic's blood pressure is about 226/82mmHg, and fully with the international recommendation standard speed venting of 2～4mmHg/s, measuring process will continue about 1 minute, patient's discomfort not only, and the diagnosis and treatment environment does not allow yet.The operator allows the even at a slow speed automatically venting of control pressurer system of the present utility model reduce pressure when being pressurized to the 250mmHg left and right sides now, behind obvious decidable systolic pressure, add venting decompression fast, recover automatically evenly venting decompression at a slow speed when judging near diastolic pressure from the LCD graphic change, this just makes that Measuring Time obviously shortens.If the LCD figure at the uniform velocity extends, the figure of the corresponding reduced pressure zone of venting fast will obviously shrink, and the figure at two ends is loose, and the pulse of Ke Shi sound is clear, thereby still can accurately judge blood pressure.
More than show and described ultimate principle of the present utility model, principal character and advantage of the present utility model.The technical staff of the industry should understand; this utility model is not restricted to the described embodiments; that describes in the foregoing description and the description just illustrates principle of the present utility model; this utility model also has various changes and modifications under the prerequisite that does not break away from this utility model spirit and scope, and these changes and improvements all fall in claimed this utility model scope.The claimed scope of this utility model is defined by appending claims and equivalent thereof.
Claims (15)
1, a kind of human blood-pressure Korotkoff's high intensity image instrument, it is characterized in that, it is by the CPU central processing module, korotkoff sound sensor module, pressure sensor module and the direct current supply module that links to each other with CPU central processing module input constitutes jointly with the display apparatus module that links to each other with CPU central processing module outfan, and described korotkoff sound sensor module and pressure sensor module are relation in parallel.
2, a kind of human blood-pressure Korotkoff's high intensity image instrument according to claim 1, it is characterized in that described CPU central processing module is all kinds of input signals can be transformed into corresponding output digital signal and be controlled the combined CPU of each electronic functional module by what one or more CPU constituted.
3, a kind of human blood-pressure Korotkoff's high intensity image instrument according to claim 1 and 2 is characterized in that, the input of described CPU central processing module also is connected with function selecting operational module and under-voltage detecting module.
4, a kind of human blood-pressure Korotkoff's high intensity image instrument according to claim 1 is characterized in that, is connected with a filter amplifier module between described korotkoff sound sensor module and the CPU central processing module.
5, a kind of human blood-pressure Korotkoff's high intensity image instrument according to claim 1 is characterized in that, described pressure sensor module is connected with a pressure control module.
6, a kind of human blood-pressure Korotkoff's high intensity image instrument according to claim 1 is characterized in that, described direct current supply module connects voltage regulator module, under-voltage detecting module and pressure sensor module respectively.
7, a kind of human blood-pressure Korotkoff's high intensity image instrument according to claim 3 is characterized in that, described function selecting operational module comprises that gain-adjusted, image move, stop to import with the signal of cls.
8, a kind of human blood-pressure Korotkoff's high intensity image instrument according to claim 6 is characterized in that, described voltage regulator module also links to each other with the filter amplifier module.
9, a kind of human blood-pressure Korotkoff's high intensity image instrument according to claim 1 is characterized in that, described display apparatus module comprises sound/light reminding module, work indicating module, under-voltage indicating module, LCD image display module and data interface module.
10, a kind of human blood-pressure Korotkoff's high intensity image instrument according to claim 9 is characterized in that, the outer end of described data interface module connects figure print module and usb interface module again respectively.
11, a kind of human blood-pressure Korotkoff's high intensity image instrument according to claim 9, it is characterized in that described LCD image display module is that the CPU central processing system to be handled that the Ke Shi sound analogue signal of input synchronously and pressure signal be shown as on lcd screen with pressure be that transverse axis, corresponding Ke Shi sound pulse strength are the electronic module of the image that spreads in time of the longitudinal axis.
12, a kind of human blood-pressure Korotkoff's high intensity image instrument according to claim 9 is characterized in that, whether under-voltage described under-voltage indicating module be provided with and can show the yellow display lamp of informing.
13, a kind of human blood-pressure Korotkoff's high intensity image instrument according to claim 9 is characterized in that, described work indicating module is provided with and can shows green display lamp of informing the direct current supply break-make.
14, a kind of human blood-pressure Korotkoff's high intensity image instrument according to claim 9 is characterized in that, described sound/light reminding module is provided with the flash lamp and the buzzer that can send Ke Shi sound pulse alarm.
15, a kind of human blood-pressure Korotkoff's high intensity image instrument according to claim 9 is characterized in that, described sound/light reminding module, work indicating module, under-voltage indicating module, LCD image display module, data interface module are relation in parallel each other.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102085094A (en) * | 2011-01-24 | 2011-06-08 | 罗万前 | Method for determining sound intensity peak slopes of originating point and vanishing point of Korotkoff sounds |
| CN102151130A (en) * | 2011-05-20 | 2011-08-17 | 罗万前 | Digital sphygmomanometer capable of reading blood pressure value through manual assistance |
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2008
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102085094A (en) * | 2011-01-24 | 2011-06-08 | 罗万前 | Method for determining sound intensity peak slopes of originating point and vanishing point of Korotkoff sounds |
| CN102151130A (en) * | 2011-05-20 | 2011-08-17 | 罗万前 | Digital sphygmomanometer capable of reading blood pressure value through manual assistance |
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