CN105147261A - Traditional Chinese medical science pulse-taking instrument and method for positioning Cun-Guan-Chi pulse points by using same - Google Patents
Traditional Chinese medical science pulse-taking instrument and method for positioning Cun-Guan-Chi pulse points by using same Download PDFInfo
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- CN105147261A CN105147261A CN201510467648.4A CN201510467648A CN105147261A CN 105147261 A CN105147261 A CN 105147261A CN 201510467648 A CN201510467648 A CN 201510467648A CN 105147261 A CN105147261 A CN 105147261A
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Abstract
The invention relates to a traditional Chinese medical science pulse-taking instrument, which comprises a flexible body, a flexible pressure sensor array, an air bag, a signal processing system and a connecting structure; the flexible body is used for arranging the flexible pressure sensor array and the air bag; the air bag covers the side, far away from a wrist, of the flexible pressure sensor array; the connecting structure is used for fixing the flexible body at the wrist of a user. According to a pressure signal collected by the flexible pressure sensor array at the area of the radial styloid process of the wrist, the signal processing system determines the position of the highest point of the radial styloid process, and by combining the position of the highest point of the radial styloid process and a pressure signal collected by the flexible pressure sensor array at the area of a radial artery vessel of the wrist, the positions of Cun-Guan-Chi pulse points are finally determined. The invention further relates to a method for determining the Cun-Guan-Chi positions by using the pulse-taking instrument. The traditional Chinese medical science pulse-taking instrument can automatically search for Cun-Guan-Chi pulse points, and the degree of accuracy, repeatability and usability of the traditional Chinese medical science pulse-taking instrument are improved.
Description
Technical field
The invention belongs to Medical Instruments technical field, be specifically related to a kind of method of traditional Chinese pulse-diagnosis instrument and location cun,guan,chi pulse point thereof.
Technical background
Traditional Chinese pulse-diagnosis instrument is that one can gather user's pulse condition information, by pulse condition digitized, and carries out the device of Chinese medicine pulse analysis.In order to traditional Chinese pulse-diagnosis instrument Automatic-searching can be allowed to the cun,guan,chi pulse point be positioned on radial artery, pulse transducer is made to be pressed on pulse point position exactly, most of technology have employed the structure based on mechanical arm, utilize approximate location that is ultrasonic or infrared or image sensor detection blood vessel, according to result of detection, the position of continuous reconditioner mechanical arm, finally makes pulse transducer be pressed on exactly on pulse point position.This implementation can find correct vessel position, but cannot distinguish cun,guan,chi pulse point at vessel axis particular location upwards.Utility model patent CN201624647U proposes a kind of cun,guan,chi three pulse signal acquisition and analysis instruments, and this analyser can adjust position in the horizontal and vertical directions, but cannot be automatically found pulse point, needs manually to adjust.
Therefore, how to allow traditional Chinese pulse-diagnosis instrument carry out automatic diagnosis and diagnosis accurately, structure is simple, easy to use and cost is low simultaneously, and having become a focus of traditional Chinese pulse-diagnosis instrument research, is also difficult point.
Summary of the invention
The present invention is directed to above-mentioned technical problem, a kind of method of traditional Chinese pulse-diagnosis instrument and location cun,guan,chi pulse point thereof is proposed, the present invention can not only find the position of cun,guan,chi pulse point quickly and automatically accurately, and structure is simple, compact, and can collect more comprehensively, the pulse condition information of more microcosmic.
A kind of traditional Chinese pulse-diagnosis instrument that the present invention proposes, comprises flexible body, pliable pressure sensor array, air bag, signal processing system and syndeton; This flexible body is for settling pliable pressure sensor array and air bag, and air bag covers the side of pliable pressure sensor array away from wrist; Syndeton is used for this flexible body to be fixed on user's wrist place, and time fixing, pliable pressure sensor array covers wrist processus styloideus radii region and wrist Artery Vein region; The position of the pressure signal determination processus styloideus radii peak that this signal processing system collects according to the pliable pressure sensor array from wrist processus styloideus radii region, and combine according to the position of processus styloideus radii peak the position that the pressure signal collected from the pliable pressure sensor array in wrist Artery Vein region finally determines cun,guan,chi pulse point.
The invention allows for another kind of traditional Chinese pulse-diagnosis instrument, comprise flexible body, pliable pressure sensor array, air bag, signal processing system, location structure and syndeton; This flexible body is for settling pliable pressure sensor array, air bag and location structure, and air bag covers the side of pliable pressure sensor array away from wrist; Syndeton is used for this flexible body to be fixed on user's wrist place, and time fixing, pliable pressure sensor array covers wrist Artery Vein region; Location structure, for locating the position of processus styloideus radii peak, has a sensor aliging with on the direction perpendicular along forearm direction with the center of location structure in pliable pressure sensor array; This signal processing system combines the position of the pressure signal determination cun,guan,chi pulse point collected from the pliable pressure sensor array in wrist Artery Vein region according to the position of processus styloideus radii peak.
Further, this traditional Chinese pulse-diagnosis instrument also comprises air pump and air bleeding valve, and wherein, air pump is used for airbag aeration, and air bleeding valve is used for for air bags.
Further, described air bag is multiple, multiple air bag can individually be inflated or aerofluxus, when certain air bag is inflated separately, the pliable pressure sensor array corresponding site be positioned at below this air bag is pressed in the wrist of user gradually, partial pressure sensor and wrist are fitted, and signal processing system gathers the pressure signal of this partial pressure sensor;
Or multiple air bag can be inflated or exit simultaneously, when inflating simultaneously, the pressure signal of all pressure transducers of the disposable collection of signal processing system.
Moreover this pliable pressure sensor array comprises flexible PCB and array of pressure sensors; Or this pliable pressure sensor array is classified as thin-film pressure sensor array.
In addition, this traditional Chinese pulse-diagnosis instrument is wrist carried, and flexible body is flexible wristband body.
The present invention also proposes a kind of method using foregoing a kind of traditional Chinese pulse-diagnosis instrument location cun,guan,chi pulse point, and the method comprises the following steps:
S1: the pressure signal gathering the array of pressure sensors in wrist processus styloideus radii region;
S2: the position of the pressure signal determination processus styloideus radii peak of the array of pressure sensors in the wrist processus styloideus radii region collected according to step S1, and determine that cun,guan,chi pulse point is in the position along forearm direction thus;
S3: gather cun,guan,chi pulse point respectively along forearm direction position along with on this perpendicular direction, forearm direction and pressure signal A, B and the C of array of pressure sensors in wrist Artery Vein region;
S4: pressure signal A, B and C of collecting according to step S3 determine the position of cun,guan,chi pulse point respectively.
Further, the direction along forearm is defined as x-axis direction, by vertical with x-axis direction and be roughly defined as y-axis direction with the direction of wrist thenar band place straight line parallel;
Above-mentioned steps S1 is specially: the airbag aeration in wrist processus styloideus radii region stresses on the array of pressure sensors in wrist processus styloideus radii region, gathers the pressure signal of the array of pressure sensors in wrist processus styloideus radii region;
Above-mentioned steps S2 is specially: in the pressure signal collected in step S1, measure pressure durations the earliest skyrocket or measure the position that pressure durations promotes the maximum pressure transducer place of amplitude, orientate processus styloideus radii peak as, the x-axis coordinate of processus styloideus radii peak, is the x-axis coordinate closing pulse point; To fight the x-axis coordinate that x-axis coordinate a little and chi pulse fight a little in conjunction with proportional unit of body, body cun principle determination CUN-pulse;
Above-mentioned steps S3 is specially:
S31: gather and cover CUN-pulse along the y-axis direction and to fight the pressure signal A of array of pressure sensors of x-axis coordinate a little;
S32: the pressure signal B gathering the array of pressure sensors covering the x-axis coordinate closing pulse point along the y-axis direction;
S33: gather and cover chi pulse along the y-axis direction and to fight the pressure signal C of array of pressure sensors of x-axis coordinate a little;
Above-mentioned steps S4 is specially: pressure signal A, B and C of collecting respectively according to step S31, S32, S33, locates the y-axis coordinate of cun,guan,chi pulse point respectively, determines the position of cun,guan,chi pulse point thus.
Further, the array of pressure sensors covering the x-axis coordinate that CUN-pulse is fought a little in step S31 is along the y-axis direction pressurizeed by same pressure inflatable, whether has periodic pulse wave, the y-axis coordinate that location CUN-pulse is fought a little in step S4 by analyzing the pressure signal gathered; Based on same method, the y-axis coordinate that the y-axis coordinate of pass, location pulse point and chi pulse are fought a little.
The present invention also proposes a kind of method using foregoing another kind of traditional Chinese pulse-diagnosis instrument location cun,guan,chi pulse point, direction along forearm is defined as x-axis direction, by vertical with x-axis direction and be roughly defined as y-axis direction with the direction of wrist thenar band place straight line parallel;
The method comprises the steps:
Be fixed in wrist by this traditional Chinese pulse-diagnosis instrument, this location structure covers the peak of this processus styloideus radii, the x-axis coordinate of processus styloideus radii peak, is the x-axis coordinate closing pulse point; To fight the x-axis coordinate that x-axis coordinate a little and chi pulse fight a little in conjunction with proportional unit of body, body cun principle determination CUN-pulse;
Gather and cover CUN-pulse along the y-axis direction and to fight the pressure signal A of array of pressure sensors of x-axis coordinate a little;
Gather the pressure signal B of the array of pressure sensors covering the x-axis coordinate closing pulse point along the y-axis direction;
Gather and cover chi pulse along the y-axis direction and to fight the pressure signal C of array of pressure sensors of x-axis coordinate a little;
According to aforementioned pressure signal A, B and C of collecting, locate the y-axis coordinate of cun,guan,chi pulse point respectively, determine the position of cun,guan,chi pulse point thus.
Beneficial effect of the present invention is as follows:
1. first traditional Chinese pulse-diagnosis instrument of the present invention determines the position of processus styloideus radii peak, then according to the position in conjunction with proportional unit of body, body cun principle determination cun,guan,chi pulse point, the position of processus styloideus radii peak, and with direction definition coordinate axes (being defined as x-axis or y-axis) along forearm, therefore reference coordinate is more rationally objective, judge and location more accurate.
2. traditional Chinese pulse-diagnosis instrument of the present invention arranges flexible flat sensor array in processus styloideus radii and/or cun,guan,chi pulse point region, information sensor being detected by the mode of independently carrying out air inlet pressurization to each air bag is more comprehensive, by the analysis to information, cun,guan,chi pulse point can be automatically found more exactly, improve the degree of accuracy of traditional Chinese pulse-diagnosis instrument, repeatability and ease for use.
3. because traditional Chinese pulse-diagnosis instrument of the present invention is simple to operate, automatically can find cun,guan,chi pulse point accurately, the user therefore not possessing any basic medical also can use, applied widely.
4. be provided with the sensors such as temperature, humidity, air pressure in traditional Chinese pulse-diagnosis instrument of the present invention, therefore can extract more pulse parameter, obtain abundanter pulse condition information.
5. the pulse signal that traditional Chinese pulse-diagnosis instrument of the present invention collects can obtain pulse condition information intuitively by signal processing technology.
Accompanying drawing explanation
Fig. 1 is the traditional Chinese pulse-diagnosis instrument side-looking structure chart of first embodiment of the invention.
Fig. 2 a is the front view of wrist strap of the present invention.
Fig. 2 b is the rearview of wrist strap of the present invention.
Fig. 3 is the schematic diagram that flexible flat sensor array of the present invention is pressed on wrist position.
Fig. 4 is a preferable layout schematic diagram of flexible sensor array of the present invention.
Fig. 5 is another preferable layout schematic diagram of flexible sensor array of the present invention.
Fig. 6 is the structural representation of pulse-taking box of the present invention.
Fig. 7 is the method flow schematic diagram of traditional Chinese pulse-diagnosis instrument of the present invention location cun,guan,chi pulse point.
Fig. 8 is the traditional Chinese pulse-diagnosis instrument forward sight structure chart of second embodiment of the invention.
Detailed description of the invention
The present invention aims to provide a kind of traditional Chinese pulse-diagnosis instrument, this traditional Chinese pulse-diagnosis instrument have concurrently automatic diagnosis, diagnosis accurately, repeatable high, simple to operate and gather the features such as pulse condition information is comprehensive, also be applicable to domestic consumer to use at home, as the aid that self-health control, Disease Warning Mechanism and remote health are seeked advice from.
The described traditional Chinese pulse-diagnosis instrument that the present invention proposes can have various appearances form, such as clipping, wrist carried.Be described in detail for wrist strap form below.
As shown in Figure 1, wrist carried traditional Chinese pulse-diagnosis instrument comprises wrist strap 101 and pulse-taking box 102.Wrist strap inside comprises air bag and flexible flat sensor array etc.Overall structure composition graphs 2a, 2b (wrist strap) of traditional Chinese pulse-diagnosis instrument and Fig. 6 (pulse-taking box) are briefly described, and it is inner that air bag 205 and flexible flat sensor array are listed in wrist strap cloth 201.Be connected to pulse-taking box above wrist strap, pulse-taking box can be inflated and aerofluxus each air bag 205 respectively by airway 206.Flexible flat sensor array can comprise flexible PCB 203 and pressure transducer 204, also can be other forms or the structures such as thin-film pressure sensor array.
Be described below in conjunction with the concrete structure of accompanying drawing to wrist strap and pulse-taking box.
The composition of wrist strap as shown in Figure 2, comprise wrist strap cloth 201, flexible PCB 203, pressure transducer 204, air bag 205, the airway 206 of air bag, nylon tower buckle 207 and nylon tower buckle 208.Wrist strap cloth 201 is double-layer structure, and flexible PCB 203, pressure transducer 204, air bag 205 are placed on wrist strap cloth 201, and the side of flexible PCB 203 is dispersed with pressure transducer 204 thick and fast, composition flexible flat sensor array.This flexible flat sensor array is divided into wrist processus styloideus radii pickup area and wrist Artery Vein pickup area according to the position covered, processus styloideus radii pickup area is for gathering the signal of wrist processus styloideus radii region, and Artery Vein pickup area is for gathering the signal of Artery Vein region.Also wrist strap bending place 202 can be set in wrist processus styloideus radii pickup area and wrist Artery Vein pickup area.The airway 206 of air bag 205 and air bag is positioned at the opposite side of flexible PCB 203, and air bag 205 at least can cover the region corresponding with flexible flat sensor array.Nylon tower button 207 and nylon tower button 208 lay respectively at two ends of wrist strap cloth 201, and one is velcro hook, and another is velcro silk, and during use, hook and silk are mutually bonding, make wrist strap can be fixed on user's wrist place.During use, the pressure transducer of wrist processus styloideus radii pickup area covers wrist processus styloideus radii region, and the pressure transducer of Artery Vein pickup area covers wrist Artery Vein region.Each air bag 205 all can by air pump by the independent air inlet pressurization of the airway 206 of air bag.When certain air bag independent inflatable, flexible PCB 203 corresponding site be positioned at below this air bag can be pressed in the wrist of user gradually, a part of pressure transducer 204 is fitted with wrist, gather the pressure change of this air bag lower position.
If the sensor main pressure transducer of described flexible flat sensor array, can also have other sensors of part, as temperature, humidity, photoelectricity and the sensor such as ultrasonic, wherein the type of pressure transducer includes but not limited to:
Piezoelectric type pressure transducer, as segregation fluoroethylene film (PVDF), piezoquartz and piezoelectric ceramics etc.;
Pressure drag class pressure transducer, as tantalum nitride pressure drag thin film, polysilicon nanometer thin film etc.;
Pressure-volume class pressure transducer;
Pressure magnetic class pressure transducer;
Chip of micro-electro-mechanical system (MEMS chip);
Biomaterial sensor, as electronic skin etc.
The example of three air bags is only gived in Fig. 2, air bag is not only for finding processus styloideus radii and wrist Artery Vein, also feel the pulse for artificial hand's fingering row, but because may there be larger difference the cun,guan,chi pulse point position of different people, in order to more accurately locate cun,guan,chi pulse point, the width of each air bag can be reduced, increase the number of air bag, and the size of Rational choice pressure transducer.
Wrist strap cloth 201, under the prerequisite of accuracy not affecting diagnosis and collection, also can be two-layer, three layers or other multiple structures, is convenient to protect the parts such as its inner flexible PCB placed.Also can be single layer structure, flexible PCB, air bag be distributed in cloth both sides or cloth homonymy.
Wrist strap is fixed on the wrist place of user by the mode that the present embodiment have employed nylon tower button, those skilled in the art should know, the mode of other wristband can also be adopted, such as wrist strap cloth side arranges clasp, opposite side arranges velcro silk and velcro hook, during use, by this opposite side through bending after clasp, by velcro silk and velcro hook mutually bonding.
Flexible flat sensor array is pressed on the position of wrist as shown in Figure 3.Flexible sensor array is divided into processus styloideus radii pickup area and Artery Vein pickup area.Processus styloideus radii pickup area covers the peak of processus styloideus radii 301, and Artery Vein pickup area covers the pulse point of " very little " 304 of Artery Vein 302, "Off" 305, " chi " 306.
Flexible flat sensor array can adopt multiple layout type, as long as can ensure that most people is when using pulse-taking instrument of the present invention, there is the covering of pressure transducer in the region at its processus styloideus radii and cun,guan,chi pulse point place.Provide two preferred version examples herein:
Example one: as shown in Figure 4, selects sensor size to be 2*2mm ~ 3*3mm, and be put into the uniform array of 5 row 15 row in blood vessel pickup area, the distance between adjacent two sensors in left and right is 1mm, and the distance between neighbouring two sensors is 1mm.In processus styloideus radii pickup area, distance Artery Vein about pickup area 5mm places 1 row totally 11 sensors.Processus styloideus radii pickup area sensor is aliging with on the direction (being roughly the direction of wrist thenar band) perpendicular along forearm direction with Artery Vein pickup area sensor.
Example two: as shown in Figure 5, selects sensor size to be 3x4mm, and be put into the uniform array of 5 row 6 row in blood vessel pickup area, adjacent two transducer spacings in left and right are 2mm, and upper and lower two transducer spacings are 1.5mm.In processus styloideus radii pickup area, distance Artery Vein about pickup area 5mm places 1 row, 4 sensors.Processus styloideus radii pickup area sensor is aliging with the direction perpendicular along forearm direction with Artery Vein pickup area sensor.
For saving circuit, in above preferred embodiment, processus styloideus radii pickup area have selected placement one line sensor, but those skilled in the art know, in order to coverage is larger, signals collecting is more accurate, and also can arrange two row or more line sensor, the size of sensor also can suitably reduce.
The structure of pulse-taking box as shown in Figure 6.Pulse-taking cassette interior circuit comprises multiple signals modulate circuit 401, multi-channel A/D Acquisition Circuit 402, single chip circuit 403, interface circuit 404, temperature/humidity sensor 405, baroceptor 406 etc., frame for movement comprises air pump 407, electromagnetic valve 408 etc., wherein air pump 407 is by airway 106 to airbag aeration, and electromagnetic valve 408 is for giving air bags.During work, the pulse transducer data collected from pressure transducer 104 and the air bag pressure sensing data that collects from air bag 105 are after multiple signals modulate circuit 401 processes, carry out analog digital conversion by multi-channel A/D Acquisition Circuit 402, single chip circuit 403 processes the digital signal after conversion.Pulse condition information can be sent to exterior terminal by interface circuit 404, intuitively to show pulse condition information.Interface circuit 404 can be the interface circuit such as bluetooth, WIFI, NFC, USB.Wherein, temperature and relative humidity and baroceptor are mainly used in gathering environmental information in user family, and single-chip microcomputer 403 carries out analyzing and processing to the signal collected, and analyze user's body constitution or causes for pathological with auxiliary Chinese medical discrimination.
The traditional Chinese pulse-diagnosis instrument that the present invention proposes independently can control the structure of air pressure based on many air bags, under the control of single-chip microcomputer, the pattern that multiple pulse pressure gathers can be had, comprise: 1. certain 1 air bag step-by-step movement is pressurizeed separately, step-by-step movement reduces pressure separately again, other air bags are in vacuum state, the pulse data of the pressure transducer collection change of this air bag overlay area; 2. certain 1 air bag step-by-step movement pressurization, then step-by-step movement decompression, other air bag fixation pressures, all the sensors can gather the pulse data of change simultaneously; 3. certain 2 or more air bag step-by-step movement pressurizations simultaneously, then step-by-step movement decompression, other air bag fixation pressures, all the sensors can gather the pulse data of change simultaneously; 4. all air bags step-by-step movement pressurization simultaneously, then step-by-step movement decompression, all the sensors can gather the pulse data of change simultaneously.
The data that described traditional Chinese pulse-diagnosis instrument can be gathered by sensor array, the position of consumer positioning cun,guan,chi pulse point, easy to operate quickly and automatically, and user also can Self-operating.
Below the localization method of traditional Chinese pulse-diagnosis instrument is described.The square ratio juris of described traditional Chinese pulse-diagnosis instrument location cun,guan,chi pulse point is: the direction along forearm is defined as x-axis direction, by vertical with x-axis direction and be roughly defined as y-axis direction along the direction of wrist thenar band place straight line.First utilize the position of sensor localization processus styloideus radii peak, specific practice is that all air bag step-by-step movements are stressed on array of pressure sensors, to skyrocket to pressure with earliest detection in sensor array or the sensor position that boost in pressure amplitude is maximum detected, orientate processus styloideus radii peak as, this is at the coordinate of x-axis, is the x-axis coordinate closing pulse point.In conjunction with proportional unit of body, body cun principle, being very little within closing first 1 cun, is chi within closing latter 1 cun.Choose the x-axis coordinate closing first half cun place and fight a little as CUN-pulse, choose the x-axis coordinate closing later half cun of place and fight a little as chi pulse.And then utilize sensor array, navigate to the coordinate of wrist Artery Vein straight line in y-axis, whether there is periodic pulse wave specifically by the data analyzing different sensors collection under same pressure in array of pressure sensors, can judge that wrist Artery Vein is at y-axis coordinate.Finally, choose the sensor being positioned at cun,guan,chi pulse point x-axis and wrist Artery Vein y-axis position respectively, as the main collection point of cun,guan,chi pulse point.
The step of traditional Chinese pulse-diagnosis instrument of the present invention location cun,guan,chi pulse point is illustrated below in conjunction with accompanying drawing 7:
Step 501: user has been with wrist strap;
Step 502: booster air pump, small step-by-step movement gives all air bags inflating pressure simultaneously, thus ensures that all the sensors of processus styloideus radii pickup area is pressed on to find processus styloideus radii peak on wrist radius simultaneously, thus finds the x-axis coordinate closed;
Step 503: detect in stepping pressurization, the pressure change of processus styloideus radii area sensor;
Step 504: choose the earliest occur pressure durations skyrocket or pressure durations skyrocket the most obvious sensor x-axis coordinate as close x-axis coordinate;
Step 505: air pump stops pressurization, and opens solenoid valve vents;
Step 506: according to traditional Chinese medical science proportional unit of body, body cun principle, the information of the height information inputted by user or thumb width, calculate the proportional unit of body, body cun length of user, choose the x-axis coordinate in (towards ancon direction) near the later half very little place in (towards thenar band direction) and pass near first half cun place, distance pass respectively as very little and x-axis coordinate that is chi;
Step 507: air pump step-by-step movement gives the pressurization of the air bag independent inflatable above very little x-axis position, and single-chip microcomputer receives and stores the data of all pulse transducers of CUN under various gasbag pressure;
Step 508: air pump stops CUN gasbag pressurizes, and aerofluxus;
Step 509: air pump step-by-step movement gives the air bag independent inflatable pressurization above the x-axis position of pass, and single-chip microcomputer receives and stores the data of all pulse transducers of GUAN spot under various gasbag pressure;
Step 510: air pump stops GUAN spot gasbag pressurizes, and aerofluxus;
Step 511: air pump step-by-step movement is to the air bag independent inflatable pressurization above the x-axis position of chi, and single-chip microcomputer receives and stores the data of all pulse transducers of chi portion under various gasbag pressure;
Step 512: air pump stops chi portion gasbag pressurizes, and aerofluxus;
Step 513: start the data analyzing all the sensors: the sensor be pressed on blood vessel has obvious periodic pulses ripple and beats, the sensor being pressed in other positions does not have obvious periodic pulses ripple and beats, periodic pulse wave whether is had by the data analyzing different sensors collection under same pressure in array of pressure sensors, can judge that wrist Artery Vein is at y-axis coordinate, thus navigate to the position of " very little " "Off" " chi " pulse point.
The above-mentioned step priority regardless of time to the air bag independent inflatable pressurization above the x-axis position of cun,guan,chi, can carry out simultaneously.In addition, also air bag inflating pressure simultaneously that can be all, the pressure information of the pressure transducer that disposable acquisition is all, according to pressure information from zones of different and pressure signal itself analyze and get corresponding results, such as, pressure information according to wrist processus styloideus radii region determines processus styloideus radii peak, determines the pulse point of cun,guan,chi in Artery Vein according to the pressure information in wrist Artery Vein region; Also the pressure information of required pressure transducer can be obtained by stages according to operating procedure.
In step 513, can also by the same pressure transducer of the contrast pulse wave amplitude of beating at various pressures, judge arteries and veins position floating, in, sink.
Adopt said structure and method, traditional Chinese pulse-diagnosis instrument automatically accurately can navigate to the position of " very little " "Off" " chi " pulse point.In order to reduce the cost of traditional Chinese pulse-diagnosis instrument, can popularize in common people, the invention allows for a kind of traditional Chinese pulse-diagnosis instrument of simplification, as shown in Figure 8.The difference of this traditional Chinese pulse-diagnosis instrument and aforesaid traditional Chinese pulse-diagnosis instrument is that former wrist processus styloideus radii pickup area does not arrange array of pressure sensors, the substitute is the central authorities being about the position of 4-8mm at the array of pressure sensors of distance wrist Artery Vein pickup area and a location structure 801 is set, and the center of this location structure 801 and in the array of pressure sensors of wrist Artery Vein pickup area are listed in align with along on perpendicular direction, forearm direction, this location structure 801 and left several 4th column alignment in fig. 8.This location structure can be positioned at wrist strap surface and contact skin side, user is when using product, only this location structure 801 need be covered the peak of this processus styloideus radii, like this, the region that sensor alignd with this location structure 801 detects is exactly the x-axis coordinate of "Off" pulse point.After this, pulse-taking instrument can locate the position of " very little " "Off" " chi " pulse point to the method for step 513 according to above-mentioned steps 506.It is overlapping with processus styloideus radii peak that this location structure 801 can be that projective structure is convenient to, and also can be designed to cavernous structure and be convenient to surround processus styloideus radii, as long as convenient operation person navigates to the mode of the peak of processus styloideus radii all within protection scope of the present invention.This traditional Chinese pulse-diagnosis instrument hardware circuit simplifies more, and equipment volume is less.
Except obtaining the position of cun,guan,chi pulse point, pulse-taking instrument of the present invention can also utilize sensor array to obtain following information:
Blood vessel thickness: the signal gathered according to the sensor linear array on same x-axis coordinate, can calculate several adjacent sensors and collect the waveform that pulse wave beats, thus make the judgement of blood vessel thickness.Such as, common people's blood vessel is at about 2mm, if sensor area is at below 2*2mm, adjacent spacing, at about 1mm or less, just can accomplish the basic judgement of blood vessel thickness.If only have 1 sensor pulse wave to be detected, then judge that blood vessel is thin, if there are 2 sensors pulse wave to be detected, then judge that blood vessel belongs to standard size, if pulse wave detected more than 3 sensors, then judge that blood vessel is thick.
Velocity of blood flow: according to the signal of two sensor acquisition adjacent on same y-axis coordinate, can blood flow rate be calculated.Method calculates the time difference that same pulse wave arrives adjacent two sensors on same y-axis coordinate, by the distance of two sensors divided by time difference, draws velocity of blood flow.
Above-mentioned information is all conducive to obtaining abundanter pulse condition information, sensor array also can be utilized to obtain the information such as temperature, humidity and air pressure, thus contribute to doctor according to environment in user family, analyze the cause of disease of user dialectically.
Above-described specific embodiment; object of the present invention, technical scheme and beneficial effect are further described; be understood that; the foregoing is only specific embodiments of the invention; be not limited to the present invention; within the spirit and principles in the present invention all, any amendment made, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. a traditional Chinese pulse-diagnosis instrument, is characterized in that, comprises flexible body, pliable pressure sensor array, air bag, signal processing system and syndeton; This flexible body is for settling pliable pressure sensor array and air bag, and air bag covers the side of pliable pressure sensor array away from wrist; Syndeton is used for this flexible body to be fixed on user's wrist place, and time fixing, pliable pressure sensor array covers wrist processus styloideus radii region and wrist Artery Vein region; The position of the pressure signal determination processus styloideus radii peak that this signal processing system collects according to the pliable pressure sensor array from wrist processus styloideus radii region, and combine according to the position of processus styloideus radii peak the position that the pressure signal collected from the pliable pressure sensor array in wrist Artery Vein region finally determines cun,guan,chi pulse point.
2. a traditional Chinese pulse-diagnosis instrument, is characterized in that, comprises flexible body, pliable pressure sensor array, air bag, signal processing system, location structure and syndeton; This flexible body is for settling pliable pressure sensor array, air bag and location structure, and air bag covers the side of pliable pressure sensor array away from wrist; Syndeton is used for this flexible body to be fixed on user's wrist place, and time fixing, pliable pressure sensor array covers wrist Artery Vein region; Location structure, for locating the position of processus styloideus radii peak, has a sensor aliging with on the direction perpendicular along forearm direction with the center of location structure in pliable pressure sensor array; This signal processing system combines the position of the pressure signal determination cun,guan,chi pulse point collected from the pliable pressure sensor array in wrist Artery Vein region according to the position of processus styloideus radii peak.
3. traditional Chinese pulse-diagnosis instrument as claimed in claim 1 or 2, it is characterized in that, this traditional Chinese pulse-diagnosis instrument also comprises air pump and air bleeding valve, and wherein, air pump is used for airbag aeration, and air bleeding valve is used for for air bags.
4. traditional Chinese pulse-diagnosis instrument as claimed in claim 1 or 2, it is characterized in that, described air bag is multiple, multiple air bag can individually be inflated or aerofluxus, when certain air bag is inflated separately, the pliable pressure sensor array corresponding site be positioned at below this air bag is pressed in the wrist of user gradually, and partial pressure sensor and wrist are fitted, and signal processing system gathers the pressure signal of this partial pressure sensor;
Or multiple air bag can be inflated or exit simultaneously, when inflating simultaneously, the pressure signal of all pressure transducers of the disposable collection of signal processing system.
5. traditional Chinese pulse-diagnosis instrument as claimed in claim 1 or 2, it is characterized in that, this pliable pressure sensor array comprises flexible PCB and array of pressure sensors; Or this pliable pressure sensor array is classified as thin-film pressure sensor array.
6. traditional Chinese pulse-diagnosis instrument as claimed in claim 1 or 2, it is characterized in that, this traditional Chinese pulse-diagnosis instrument is wrist carried, and flexible body is flexible wristband body.
7. use a method for traditional Chinese pulse-diagnosis instrument as claimed in claim 1 location cun,guan,chi pulse point, it is characterized in that, the method comprises the following steps:
S1: the pressure signal gathering the array of pressure sensors in wrist processus styloideus radii region;
S2: the position of the pressure signal determination processus styloideus radii peak of the array of pressure sensors in the wrist processus styloideus radii region collected according to step S1, and determine that cun,guan,chi pulse point is in the position along forearm direction thus;
S3: gather cun,guan,chi pulse point respectively along forearm direction position along with on this perpendicular direction, forearm direction and pressure signal A, B and the C of array of pressure sensors in wrist Artery Vein region;
S4: pressure signal A, B and C of collecting according to step S3 determine the position of cun,guan,chi pulse point respectively.
8. method as claimed in claim 7, is characterized in that, the direction along forearm is defined as x-axis direction, by vertical with x-axis direction and be roughly defined as y-axis direction with the direction of wrist thenar band place straight line parallel;
Above-mentioned steps S1 is specially: the airbag aeration in wrist processus styloideus radii region stresses on the array of pressure sensors in wrist processus styloideus radii region, gathers the pressure signal of the array of pressure sensors in wrist processus styloideus radii region;
Above-mentioned steps S2 is specially: in the pressure signal collected in step S1, measure pressure durations the earliest skyrocket or measure the position that pressure durations promotes the maximum pressure transducer place of amplitude, orientate processus styloideus radii peak as, the x-axis coordinate of processus styloideus radii peak, is the x-axis coordinate closing pulse point; To fight the x-axis coordinate that x-axis coordinate a little and chi pulse fight a little in conjunction with proportional unit of body, body cun principle determination CUN-pulse;
Above-mentioned steps S3 is specially:
S31: gather and cover CUN-pulse along the y-axis direction and to fight the pressure signal A of array of pressure sensors of x-axis coordinate a little;
S32: the pressure signal B gathering the array of pressure sensors covering the x-axis coordinate closing pulse point along the y-axis direction;
S33: gather and cover chi pulse along the y-axis direction and to fight the pressure signal C of array of pressure sensors of x-axis coordinate a little;
Above-mentioned steps S4 is specially: pressure signal A, B and C of collecting respectively according to step S31, S32, S33, locates the y-axis coordinate of cun,guan,chi pulse point respectively, determines the position of cun,guan,chi pulse point thus.
9. method as claimed in claim 8, it is characterized in that, the array of pressure sensors covering the x-axis coordinate that CUN-pulse is fought a little in step S31 is along the y-axis direction pressurizeed by same pressure inflatable, periodic pulse wave whether is had by analyzing the pressure signal gathered, the y-axis coordinate that location CUN-pulse is fought a little in step S4; Based on same method, the y-axis coordinate that the y-axis coordinate of pass, location pulse point and chi pulse are fought a little.
10. one kind uses the method for traditional Chinese pulse-diagnosis instrument as claimed in claim 2 location cun,guan,chi pulse point, it is characterized in that, direction along forearm is defined as x-axis direction, by vertical with x-axis direction and be roughly defined as y-axis direction with the direction of wrist thenar band place straight line parallel;
The method comprises the steps:
Be fixed in wrist by this traditional Chinese pulse-diagnosis instrument, this location structure covers the peak of this processus styloideus radii, the x-axis coordinate of processus styloideus radii peak, is the x-axis coordinate closing pulse point; To fight the x-axis coordinate that x-axis coordinate a little and chi pulse fight a little in conjunction with proportional unit of body, body cun principle determination CUN-pulse;
Gather and cover CUN-pulse along the y-axis direction and to fight the pressure signal A of array of pressure sensors of x-axis coordinate a little;
Gather the pressure signal B of the array of pressure sensors covering the x-axis coordinate closing pulse point along the y-axis direction;
Gather and cover chi pulse along the y-axis direction and to fight the pressure signal C of array of pressure sensors of x-axis coordinate a little;
According to aforementioned pressure signal A, B and C of collecting, locate the y-axis coordinate of cun,guan,chi pulse point respectively, determine the position of cun,guan,chi pulse point thus.
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