CN100405971C - Diagnostic device and method - Google Patents
Diagnostic device and method Download PDFInfo
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- CN100405971C CN100405971C CNB200510084650XA CN200510084650A CN100405971C CN 100405971 C CN100405971 C CN 100405971C CN B200510084650X A CNB200510084650X A CN B200510084650XA CN 200510084650 A CN200510084650 A CN 200510084650A CN 100405971 C CN100405971 C CN 100405971C
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Abstract
A diagnosis device for measuring the pulse wave of arteria brachialis is composed of a cuff for providing pressure, a sensor for measuring the pulse waves of avteria brachialis relative to provided pressure, and a processing circuit for generating multiple data about the pulse waves of arteria brachialis and calculating the diagnotic data.
Description
Technical field
The invention relates to the diagnostic equipment and the diagnostic method of pulse wave, especially be applied to the diagnostic equipment and the diagnostic method of pulse wave spectrum.
Background technology
Pulse-taking is that each Chinese physician sees one of the important method that must use when examining, so for a long time, lacks practical and objective inspection apparatus always, also can't be with in addition datumization analysis of diagnostic result.The minority instrument utilizes pressure inductor (Tonometry), detects the variation of patient's wrist tremulous pulse under the corresponding different impressed pressure, quite inconvenience in the operation, and the result who is obtained is also unreliable.
On the other hand, the technology of measurement blood pressure is quite ripe in the medical skill of west.In general, be to use arm-rest belt to tie up, and measure the blood pressure of brachial artery in the last arm place.With U.S. Pulse Metric, the DP200M of Inc. is an example, except measuring automatically the blood pressure, also can measure the data of other pulse waves such as pulse frequency, even measured pulse wave can be presented in patterned mode and record in addition.
In theory of Chinese medical science, pulse-taking is not to be defined in wrist tremulous pulse place, also can impose on other position.The principle that principle that the traditional Chinese medical science is felt the pulse and doctor trained in Western medicine are taken blood pressure is very approaching.All be to grant pressure, make blood vessel obstructed, slowly reduce pressure again, then observe ambient pressure and change the reaction of blood vessel down by the external world.Also just utilize finger that blood vessel is exerted pressure, and go to experience the variation of pulse wave with finger.Therefore, if can be applied to the pulse-taking of the traditional Chinese medical science, should obtain more accurate and objective diagnostic result with measure the method for blood pressure and pulse wave in the medical skill of west for brachial artery.
Summary of the invention
An aspect of of the present present invention provides a kind of diagnostic equipment and diagnostic method of pulse wave.Another aspect of the present invention provides a kind of automated diagnostic device and diagnostic method of pulse wave spectrum.
The present invention uses arm-rest belt that brachial artery is applied different pressure, and measure corresponding pulse wave waveform, to replace three fingers of utilization in traditional pulse wave spectrum, respectively the wrist tremulous pulse is bestowed the diagnostic mode of different pressures, and obtained more objective and detailed diagnostic result.
The invention discloses a kind of diagnostic equipment, for measuring the brachial artery pulse wave, this diagnostic equipment comprises arm-rest belt (cuff), pick off and treatment circuit.This pressure provides arm-rest belt pressure continuously, and brachial artery is compeled in voltage supply.A plurality of brachial artery pulse waves of corresponding this arm-rest belt pressure of this sensor measurement, these a plurality of brachial artery pulse waves comprise single pulse wave.This handles circuit, and pick off connects therewith, produces the data of these a plurality of brachial artery pulse waves, and this handles circuit at least according to the data of this single pulse wave, calculates and the generation diagnostic data.
The invention also discloses a kind of diagnostic system, comprise: server, for the storage application program; And the diagnostic equipment, supply to measure the brachial artery pulse wave, and be connected with this server by network, to download this application program, this brachial artery diagnostic equipment comprises: arm-rest belt, arm-rest belt pressure is provided continuously, brachial artery is compeled in voltage supply; Pick off is measured a plurality of brachial artery pulse waves that should arm-rest belt pressure, and these a plurality of brachial artery pulse waves comprise single pulse wave; And processor, be connected with this pick off, produce the data of these a plurality of brachial artery pulse waves, this processor is carried out this application program,, calculates and the generation diagnostic data according to the data of this single pulse wave with at least.
The invention also discloses a kind of diagnostic system, comprise: server has application program; And the diagnostic equipment, supplying to measure the brachial artery pulse wave, and be connected with this server by network, this brachial artery diagnostic equipment comprises: arm-rest belt, arm-rest belt pressure is provided continuously, brachial artery is compeled in voltage supply; Pick off is measured a plurality of brachial artery pulse waves that should arm-rest belt pressure, and these a plurality of brachial artery pulse waves comprise single pulse wave; And treatment circuit, be connected with this pick off, produce the data of these a plurality of brachial artery pulse waves; Wherein, this diagnostic equipment is uploaded the data of these a plurality of brachial artery pulse waves to this server, and this server is carried out this application program,, calculates and the generation diagnostic data according to the data of this single pulse wave with at least.
The invention also discloses a kind of diagnostic method, comprise: (a) in Measuring Time, provide arm-rest belt pressure continuously, brachial artery is compeled in voltage supply; (b) a plurality of brachial artery pulse waves of corresponding this arm-rest belt pressure of measurement, to produce the data of these a plurality of brachial artery pulse waves, these a plurality of brachial artery pulse waves comprise single pulse wave; And, calculate and the generation diagnostic data (c) at least according to the data of this single pulse wave.
Description of drawings
Fig. 1 shows the diagnostic equipment of one embodiment of the invention;
Fig. 2 A to Fig. 2 C shows the whole sphygmogram that is produced among the present invention;
Fig. 2 D to Fig. 2 E is for showing the single sphygmogram that is produced among the present invention;
Fig. 2 F to Fig. 2 M is for showing the diagnostic data among the present invention;
Fig. 3 selects corresponding single sphygmogram for showing from whole sphygmogram, represent sphygmogram, mean pressure to represent sphygmogram or diastolic pressure to represent sphygmogram as systolic pressure;
Fig. 4 A to Fig. 4 D also shows the diagnostic data among the present invention;
Fig. 5 shows the diagnostic system of one embodiment of the invention;
Fig. 6 shows the diagnostic system of another embodiment of the present invention; And
Fig. 7 shows the method flow diagram of one embodiment of the invention.
[main element label declaration]
The diagnostic equipment 10
Arm-rest belt 12
Pick off 14
The specific embodiment
Fig. 1 shows the diagnostic equipment 10 in one embodiment of the invention.The diagnostic equipment 10 contain arm-rest belt 12, pick off 14, with treatment circuit 16.Arm-rest belt 12 is tied up the upper arm in user, provides pressure continuously and oppresses the brachial artery of this user.By inflation or venting, arm-rest belt 12 can be provided by its pressure that provides, and pressure can be fixed value, or the value of time to time change, the value of stepped variation especially in time.Those skilled in the art also can implement the arm-rest belt 12 described in the description of the present invention according to the arm-rest belt of existing electric sphygmomanometer.
Pick off 14 is measured a plurality of brachial artery pulse waves of corresponding these arm-rest belt 12 pressure, and wherein these a plurality of brachial artery pulse waves comprise single pulse wave.These a plurality of pulse waves preferably, and are but non-limiting, are successive pulse wave.Treatment circuit 16 is connected with pick off 14, and produces the data of these a plurality of brachial artery pulse waves.This handle circuit 16 can be CPU and carry out specific software or for ASIC (application specificintegrated circuit, ASIC).In an embodiment of the present invention, the data of these a plurality of brachial artery pulse waves, be to utilize U.S. Pulse Metric, Inc. DP200M calculates movement arteries and veins instrument, the pulse wave pressure that is produced changes and time relation, DP200M calculates movement arteries and veins instrument and can further detect systolic pressure, mean pressure or diastolic pressure, and this technological means is that those skilled in the art are known, does not add at this and gives unnecessary details.Obtain after the data of these a plurality of brachial artery pulse waves, treatment circuit 16 is at least according to the data of single pulse wave among the data of these a plurality of brachial artery pulse waves, calculated and produces diagnostic data.In one embodiment, in the data of treatment circuit 16 to these a plurality of brachial artery pulse waves selected part carry out differential, integration, computing such as average.In another embodiment, treatment circuit 16 also comprises drawing circuit 18, for according to the data of this single pulse wave or the data of these a plurality of pulse waves produce sphygmogram, and can connect output device (not icon), and for example screen or printer are to show this sphygmogram.What deserves to be mentioned is that the function of drawing circuit 18 is the data of a plurality of brachial artery pulse waves are shown that in patterned mode in one embodiment, drawing circuit 18 also can omit.
Following Fig. 2 A to Fig. 2 M, Fig. 3, with Fig. 4 A to Fig. 4 D in, transverse axis is time (second), longitudinal axis representative pressure (millimetres of mercury).Fig. 2 A is depicted as the whole sphygmogram that data produced of drawing circuit 18 according to a plurality of brachial artery pulse waves, during about 28 seconds measurement, along with the variation of arm-rest belt pressure, has 37 single pulse waves.Usually with regard to whole sphygmogram, have the olive-shaped of wide middle, shown in Fig. 2 B.But the patient not whole to a pulse amplitude, the amplitude of then measured single pulse wave is obviously different, shown in Fig. 2 C.The sphygmogram of single pulse wave is in the whole sphygmogram, by the scope between the extremely inferior trough of last trough, shown in Fig. 2 D.For illustrative purposes, the basic waveform of single pulse wave is shown in Fig. 2 E, wherein U is that pulse wave starting point, P are that pulse wave summit, UP are that upstroke, I are that upstroke speed rises point (upstroke unit interval pressure changes maximum point), U ' is decent prompt drop point (decent unit interval pressure changes maximum point) for pulse wave minimum point, PU ' for pulse wave decent, I ', and this single pulse wave has dicrotic wave (Dichotic Notch) VDU ', wherein V is that dicrotic wave starting point, D are dicrotic pulse wave crest point, and UU ' is defined as a bottom line.
Below will further specify the diagnostic data in the embodiment of the invention.Referring to Fig. 2 F, " wave height (H) " is the distance of pulse wave summit P to bottom line UU ', wave height H is directly proportional with a left ventricle maximum pressure acceleration (LV dp/dtmax) and a cardiac output (stroke Volume), but is inversely proportional to system vascular compliance (SVcompliance).
Referring to Fig. 2 G, " U angle " is to rise the tangent line L of some I and the angle of cut of bottom line UU ' from upstroke speed.U angle and left ventricle maximum pressure acceleration, left ventricle contractility (LV contractility), cardiac output and brachial artery vascular compliance (BA compliance) are directly proportional but are inversely proportional to system vascular compliance, systemic blood flow resistance (SV resistance) and brachial artery vascular resistance (BA resistance).
Referring to Fig. 2 H, " P angle " is the tangent line L ' of decent prompt drop point and the angle of cut of L.P angle and left ventricle penetrate time (LV ejection time), system's vascular compliance and brachial artery resistance and are directly proportional, but are inversely proportional to left ventricle maximum pressure acceleration, left ventricle contractility, cardiac output and brachial artery vascular compliance.
Referring to Fig. 2 I, " D angle " is the tangent line L ' of decent prompt drop point and the angle of cut of bottom line UU '.The D angle is directly proportional with left ventricle maximum pressure acceleration, left ventricle contractility and a cardiac output, but is inversely proportional to the system vascular compliance.
Referring to Fig. 2 J, in embodiments of the present invention, respectively getting the angle that was produced in 0.04 second from pulse wave summit P to both sides is drift angle, and the sharp-pointed degree support of drift angle is the drift angle acutance.Drift angle acutance and left ventricle maximum pressure acceleration, left ventricle contractility, cardiac output and brachial artery compliance are directly proportional but are inversely proportional to resistance of blood flow.
Referring to Fig. 2 K, " distance during U " is to the required time of I point from the U point.Apart from penetrating the time with left ventricle and resistance of blood flow is directly proportional, but be inversely proportional to during U with left ventricle contractility, cardiac output and vascular compliance.
Referring to Fig. 2 L, " distance during UP " is to the required time of P point from the U point.Apart from being directly proportional, but be inversely proportional to during UP with cardiac contractile force, cardiac output and vascular compliance with resistance of blood flow.
Referring to Fig. 2 M, " distance during P " is for putting the required time from the I point to I '.Apart from being directly proportional, but be inversely proportional to during P with cardiac contractile force, cardiac output and vascular compliance with resistance of blood flow.
As previously mentioned, treatment circuit 16 can utilize prior art further to detect systolic pressure, mean pressure or diastolic pressure.Treatment circuit 16 optionally according to systolic pressure, mean pressure or diastolic pressure, is selected the data of single pulse wave again in the data of from then on a plurality of brachial artery pulse waves.And in one embodiment, treatment circuit 16 is from according to the pressure of this arm-rest belt 12 moment (as the S Fig. 3, M and D) of equating of systolic pressure, this mean pressure or this diastolic pressure therewith, from whole sphygmogram, select corresponding single sphygmogram, represent sphygmogram, mean pressure to represent sphygmogram or diastolic pressure to represent sphygmogram as systolic pressure.In this embodiment, constantly after the S first single sphygmogram be systolic pressure represent sphygmogram, constantly after the M first single sphygmogram be mean pressure represent sphygmogram, moment D afterwards first single sphygmogram be that diastolic pressure is represented sphygmogram.And on behalf of sphygmogram, systolic pressure can represent " taking the pulse heavily arteries and veins ", mean pressure in the tcm diagnosis to represent sphygmogram can represent " in get arteries and veins ", diastolic pressure in the tcm diagnosis to represent sphygmogram can represent " feeling the pulse lightly arteries and veins " in the tcm diagnosis.The pulse condition diagnosis of the traditional Chinese medical science can be done representing and processing on the data by this.
In general, the pulse wave of (after just diastolic pressure is represented sphygmogram) has the appearance of dicrotic wave easily behind moment D.Shown in Fig. 4 A, when the phenomenon of dicrotic wave is obvious (when summit D is higher than dicrotic wave starting point V), then treatment circuit 16 calculates the wave height of dicrotic waves, and wave height is the vertical dimension (DWh) of dicrotic pulse wave crest point D to dicrotic wave starting point V.And shown in Fig. 4 B, when the phenomenon of dicrotic wave is not obvious (when summit D is equal to or less than dicrotic wave starting point V), then treatment circuit 16 calculates the persistent period of dicrotic waves, and the persistent period of dicrotic wave for from the V point to the required time of D point.Referring to Fig. 4 C, dicrotic wave starting point height (Vh) is the distance of dicrotic wave starting point V to bottom line UU ' again, and treatment circuit 16 further calculates the ratio of the single therewith pulse wave wave height of dicrotic wave starting point height (Vh) (H).In one embodiment, treatment circuit 16 is chosen a plurality of single pulse wave behind the D constantly, at the ratio of wave height, persistent period or the single therewith pulse wave wave height of dicrotic wave starting point height (Vh) (H) of dicrotic wave, and calculating mean value and as diagnostic data.The meansigma methods of dicrotic wave wave height (DWh) and left ventricle contractility, cardiac output, and vascular compliance be directly proportional but be inversely proportional to resistance of blood flow.The meansigma methods of dicrotic wave persistent period penetrates the time with left ventricle and vascular compliance is directly proportional, but is inversely proportional to left ventricle maximum pressure acceleration.The meansigma methods of the ratio of the single therewith pulse wave wave height of dicrotic wave starting point height (Vh) (H) penetrates the time with left ventricle and vascular compliance is directly proportional, but is inversely proportional to the left ventricle contractility.Except the phenomenon of dicrotic wave, also can put to prompt drop at the pulse wave of (after just diastolic pressure is represented sphygmogram) behind the moment D and to occur reforming phenomena (shown in Fig. 4 D) between the I ' at summit P, treatment circuit 16 can calculate the meansigma methods of this impact strength.It and left ventricle maximum pressure acceleration, left ventricle contractility, cardiac output and vascular compliance are inversely proportional to, but are directly proportional with resistance of blood flow.
Referring to Fig. 5, be the diagnostic system 50 of one embodiment of the invention.Diagnostic system 50 comprises the server 52 and the diagnostic equipment 10.This server stores application program.The diagnostic equipment 10 is by network 54 server 52 connections therewith.Network 54 can be the Internet (Internet) or LAN (LAN), and wherein connected mode can be wired or wirelessly, directly connects or by connections such as other network element, for example routers.This diagnostic equipment 10 contain arm-rest belt 12, pick off 14, with processor 16.Arm-rest belt 12 provides pressure continuously and oppresses brachial artery.Pick off 14 is measured a plurality of brachial artery pulse waves of corresponding these arm-rest belt 12 pressure, and wherein these a plurality of brachial artery pulse waves comprise single pulse wave.Processor 16 is connected with pick off 14, and produces the data of these a plurality of brachial artery pulse waves.Obtain after the data of these a plurality of brachial artery pulse waves, processor 16 is carried out the application program of being downloaded,, calculated and produced diagnostic data shown in Fig. 2 F to 2M and Fig. 4 A to 4C according to the data of single pulse wave among the data of these a plurality of brachial artery pulse waves with at least.Processor 16 also comprises drawing circuit 18, and confession is according to the data of this single pulse wave or the data of these a plurality of pulse waves produce sphygmogram.In one embodiment, processor 16 is a personal computer, by web browser (for example Internet Explorer of Microsoft company) input network address, and can Connection Service device 52 and download up-to-date application program.
Referring to Fig. 6, be the diagnostic system 60 of another embodiment of the present invention.Diagnostic system 60 comprises the server 62 and the diagnostic equipment 10.This servomechanism has application program.The diagnostic equipment 10 is by network 64 server 62 connections therewith.This diagnostic equipment 10 contain arm-rest belt 12, pick off 14, with processor 16.Arm-rest belt 12 provides pressure continuously and oppresses brachial artery.Pick off 14 is measured a plurality of brachial artery pulse waves of corresponding these arm-rest belt 12 pressure, and wherein these a plurality of brachial artery pulse waves comprise single pulse wave.Processor 16 is connected with pick off 14, and produces the data of these a plurality of brachial artery pulse waves.Obtain after the data of these a plurality of brachial artery pulse waves, the data that this diagnostic equipment 10 is uploaded these a plurality of brachial artery pulse waves are server 62 so far, this server 62 is carried out this application program,, calculates and the diagnostic data of generation shown in Fig. 2 F to 2M and Fig. 4 A to 4C according to the data of single pulse wave with at least.In one embodiment, processor 16 comprises a personal computer, and the data of uploading these a plurality of brachial artery pulse waves by web page browsing program (for example Internet Explorer of Microsoft company) or archives transmission (FTP) program are server 62 so far.
Fig. 7 is method flow diagram according to an embodiment of the invention.At first, in Measuring Time, provide time dependent arm-rest belt pressure continuously, brachial artery (step 700) is compeled in voltage supply.In one embodiment, this Measuring Time is 24 hours, and patient's pulse wave is carried out round-the-clock measurement.Then, measure a plurality of brachial artery pulse waves of corresponding this arm-rest belt pressure, producing the data (step 702) of these a plurality of brachial artery pulse waves, and these a plurality of brachial artery pulse waves comprise single pulse wave at least.In one embodiment, the data of these a plurality of brachial artery pulse waves system changes and time relation about pulse wave pressure.Then detect systolic pressure, mean pressure or diastolic pressure (step 704).According to the pressure of this arm-rest belt moment (as the S among Fig. 3, M and D) of equating of systolic pressure, this mean pressure or this diastolic pressure therewith, select the data (step 706) of single pulse wave in the data of from then on a plurality of brachial artery pulse waves, represent ripple, mean pressure to represent ripple or diastolic pressure to represent ripple as systolic pressure.Then, calculate as Fig. 2 F to 2M and the diagnostic data (step 708) shown in Fig. 4 A to 4C again according to the data of this single pulse wave.In one embodiment, in step 702, also the data according to these a plurality of pulse waves produce sphygmogram (as Fig. 2 A), and in step 706, show the sphygmogram (as Fig. 2 C) of this single pulse wave.
The present invention also proposes a kind of computer-readable medium, has a section sign indicating number of carrying out by a computer, in order to carry out diagnostic method as shown in Figure 7.The described step of Fig. 7 can be implemented by computer program instructions by this.This computer-readable medium can be any suitable computer-readable medium, comprises internal memory, hard disk, light memory device, magnetic storage device or the like.
Though the present invention discloses as above with embodiment; right its is not in order to qualification the present invention, any those skilled in the art, without departing from the spirit and scope of the present invention; when can being used for a variety of modifications and variations, so protection scope of the present invention is as the criterion when looking appended the claim scope person of defining.
Claims (6)
1. diagnostic equipment, mat is measured the brachial artery pulse wave, and for the automated diagnostic of pulse wave spectrum, this diagnostic equipment comprises:
Arm-rest belt provides arm-rest belt pressure continuously, and brachial artery is compeled in voltage supply;
Pick off is measured a plurality of brachial artery pulse waves that should arm-rest belt pressure, and these a plurality of brachial artery pulse waves comprise single pulse wave; And
Treatment circuit, be connected with this pick off, produce the data of these a plurality of brachial artery pulse waves, this treatment circuit more detects a systolic pressure, a mean pressure or a diastolic pressure according to the data of these a plurality of brachial artery pulse waves, this treatment circuit is more optionally according to this systolic pressure, this mean pressure or this diastolic pressure, from the data of these a plurality of brachial artery pulse waves, select the data of a single pulse wave, to get disconnected data of pulse-taking or the disconnected data of a feeling the pulse lightly pulse-taking in the data, of breaking as a taking the pulse heavily pulse-taking in the pulse wave spectrum.
2. the diagnostic equipment according to claim 1, this treatment circuit also comprises the drawing circuit, produce sphygmogram for the data according to this single pulse wave, and this treatment circuit produces the data of this single pulse wave according to this sphygmogram.
3. the diagnostic equipment according to claim 1, wherein the data of this single pulse wave comprise following one of them: distance during apart from, P during apart from, the UP when wave height of this single pulse wave, U angle, P angle, D angle, drift angle acutance, U.
4. the diagnostic equipment according to claim 1, wherein, this treatment circuit is again according to this diastolic pressure, from the data of these a plurality of brachial artery pulse waves, select one and have the data of single pulse wave of dicrotic wave as the disconnected data of this feeling the pulse lightly pulse-taking, these data with single pulse wave of dicrotic wave comprise following one of them: the wave height of this dicrotic wave, persistent period, starting point height.
5. diagnostic system, mat is measured the brachial artery pulse wave, and for the automated diagnostic of pulse wave spectrum, this diagnostic equipment comprises:
Server is for the storage application program; And
The diagnostic equipment supplies to measure the brachial artery pulse wave, and is connected with this server by network, and to download this application program, this brachial artery diagnostic equipment comprises:
Arm-rest belt provides arm-rest belt pressure continuously, and brachial artery is compeled in voltage supply;
Pick off is measured a plurality of brachial artery pulse waves that should arm-rest belt pressure, and these a plurality of brachial artery pulse waves comprise single pulse wave; And
Processor, be connected with this pick off, produce the data of these a plurality of brachial artery pulse waves, this processor more detects a systolic pressure, a mean pressure or a diastolic pressure according to the data of these a plurality of brachial artery pulse waves, this treatment circuit is more optionally according to this systolic pressure, this mean pressure or this diastolic pressure, from the data of these a plurality of brachial artery pulse waves, select the data of a single pulse wave, to get disconnected data of pulse-taking or the disconnected data of a feeling the pulse lightly pulse-taking in the data, of breaking as a taking the pulse heavily pulse-taking in the pulse wave spectrum.
6. diagnostic system, mat is measured the brachial artery pulse wave, and for the automated diagnostic of pulse wave spectrum, this diagnostic equipment comprises:
Server has application program; And
The diagnostic equipment supplies to measure the brachial artery pulse wave, and is connected with this server by network, and this brachial artery diagnostic equipment comprises:
Arm-rest belt provides arm-rest belt pressure continuously, and brachial artery is compeled in voltage supply;
Pick off is measured a plurality of brachial artery pulse waves that should arm-rest belt pressure, and these a plurality of brachial artery pulse waves comprise single pulse wave; And
Treatment circuit is connected with this pick off, produces the data of these a plurality of brachial artery pulse waves;
Wherein, this diagnostic equipment is uploaded the data of these a plurality of brachial artery pulse waves to this server, this server is carried out this application program, this server more detects a systolic pressure, a mean pressure or a diastolic pressure according to the data of these a plurality of brachial artery pulse waves, this treatment circuit is more optionally according to this systolic pressure, this mean pressure or this diastolic pressure, from the data of these a plurality of brachial artery pulse waves, select the data of a single pulse wave, to get disconnected data of pulse-taking or the disconnected data of a feeling the pulse lightly pulse-taking in the data, of breaking as a taking the pulse heavily pulse-taking in the pulse wave spectrum.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB200510084650XA CN100405971C (en) | 2005-07-15 | 2005-07-15 | Diagnostic device and method |
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| CNB200510084650XA CN100405971C (en) | 2005-07-15 | 2005-07-15 | Diagnostic device and method |
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| CN100405971C true CN100405971C (en) | 2008-07-30 |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4567899A (en) * | 1984-07-30 | 1986-02-04 | Healthcheck Corporation | Cuff pressure controller for blood pressure measurement apparatus |
| CN1449718A (en) * | 2002-04-10 | 2003-10-22 | 欧姆龙株式会社 | Electronic sphygmomanometer |
| CN1529489A (en) * | 2003-09-29 | 2004-09-15 | 上海交通大学 | Long-range diagnostic and therapeutic system for TCM |
-
2005
- 2005-07-15 CN CNB200510084650XA patent/CN100405971C/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4567899A (en) * | 1984-07-30 | 1986-02-04 | Healthcheck Corporation | Cuff pressure controller for blood pressure measurement apparatus |
| CN1449718A (en) * | 2002-04-10 | 2003-10-22 | 欧姆龙株式会社 | Electronic sphygmomanometer |
| CN1529489A (en) * | 2003-09-29 | 2004-09-15 | 上海交通大学 | Long-range diagnostic and therapeutic system for TCM |
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| CN1895164A (en) | 2007-01-17 |
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