CN101156772A - A monitoring method and apparatus for blood pressure - Google Patents

A monitoring method and apparatus for blood pressure Download PDF

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Publication number
CN101156772A
CN101156772A CNA2007101493491A CN200710149349A CN101156772A CN 101156772 A CN101156772 A CN 101156772A CN A2007101493491 A CNA2007101493491 A CN A2007101493491A CN 200710149349 A CN200710149349 A CN 200710149349A CN 101156772 A CN101156772 A CN 101156772A
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signal
pressure
arteries
pulse
blood
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CN101156772B (en
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许建平
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Abstract

The invention relates to a method and a device for blood pressure monitoring; wherein, an interception component is used to be positioned on the surface of the living body artery blood vessel skin; firstly, an adjusting device is pushed through a hand or an object held by hand or a screw, the changed push force is executed to the interception component, to ensure that the conducting quantity of an artery vessel is changed, and to ensure that a pulse signal or a blood flow signal and a pressure signal imposed on the interception component or on the artery vessel are obtained by a sensor device during the process of the change of the artery vessel conducting quantity simultaneously, and then a signal processing device is used to explain the pulse signal or the blood flow signal and the pressure signal imposed on the interception component and or on the artery vessel during the process of the change of the artery vessel conducting quantity, thereby determining the practical arterial blood pressure. The invention provides a more advantageous condition for realizing an electronic blood pressure watch and a pen type electronic sphygmomanometer, etc.

Description

A kind of monitoring method of blood pressure and device
Affiliated technical field
The present invention relates to the monitoring method and the device of live body the vital signs diagnostic equipment, particularly a kind of arteriotony, still, be not limited only to this.
Quoting of related application
The present invention is the part continuity of following Chinese invention patent application: the applying date: on June 25th, 2007, and application number: 200710127683.7, title " monitoring method of blood pressure and device ".
Background technology
For most of patients with hypertension, long periods of wear or carry simple to operate, the sphygomanometer monitoring that is used for momentarily carrying out blood pressure accurately and be very important.At present, known operation comparatively simply, Portable Electronic Blood Pressure Monitor is to use cuff to twine arm, wrist mostly accurately, and making the arteries obturation by using electrodynamic pump to come inflation to cuff to exert pressure, the method for slowly loosening cuff then obtains arteriotony; Owing to use inflator pump, need the battery of enough electric power, such device is unfavorable for reduced volume, weight and long periods of wear.For solving described problem, Chinese invention patent numbers 95197644.3, title " device that is used for calculating blood pressure ", and Chinese invention patent application number 200480012661.0, proposed to use other pressure to apply in the title " Blood pressure monitor " and solved described problem scheme with releasing device, obtained certain effect, but, because still therefore the working power pressue device, still is unfavorable for the problem of reduced volume, weight, cost and long periods of wear.
Summary of the invention
The objective of the invention is to: improve the deficiency of above technology, make that the blood pressure detector volume is littler, weight is lighter, more help manufacturing and long periods of wear or carry.
Purpose of the present invention realizes by following approach:
The technical solution adopted for the present invention to solve the technical problems is: pressurization, pressure relief device that cancellation is complicated; Directly with the hands of human body or object that staff is held or manually the screw propulsion adjusting device come sensor device is implemented pressurization, reduced pressure, by the monitoring of shirtsleeve operation realization blood pressure.
The technical scheme that realizes approach of the present invention comprises as follows:
1, a kind of monitoring method of blood pressure is characterized in that, comprising:
Stop element, be placed on live body arteries skin surface,
Sensor device is used to obtain arterial vascular pulse signal or blood flow signal and puts on the pressure signal of stopping on element or the arteries,
Signal processing apparatus is used to explain pulse signal or the blood flow signal when arteries conducting amount changes and puts on the pressure signal of stopping on element or the arteries,
At first, implement the propulsive force of variation to stopping element, make arterial vascular conducting quantitative changeization by staff or object that staff is held,
Simultaneously, make sensor device obtain pulse signal in the arteries conducting quantitative change process or blood flow signal and put on the pressure signal of stopping on element or the arteries,
Then, use pulse signal or the blood flow signal in the signal processing apparatus explanation arteries conducting quantitative change process and put on the pressure signal of stopping on element or the arteries, thereby, determine actual arteriotony.
2, method according to claim 1 is characterized in that, further comprises:
Signal processing apparatus is explained pulse signal or blood flow signal and is put on the pressure signal of stopping on element or the arteries and determines that also the method for blood pressure comprises Ke Shi sound method, oscillometric method, the wave method that shakes, volumetric method, blood flow characteristics analytic process etc.Comprise the method for determining high and low blood pressure according to mean blood pressure.
3, a kind of monitoring of blood pressure device comprises:
Sensor device is used to detect or obtain arterial vascular pulse signal or blood flow signal and the pressure signal that puts on the arteries,
Signal processing apparatus is used to explain the signal that sensor device produces, determining to represent the blood pressure signal of actual artery blood pressure,
It is characterized in that:
The port of described sensor device test side or end face also are suitable for being pressed on the life entity arteries skin surface, implement the change of arteries conducting amount,
Described sensor device also is suitable for accepting and transmits port or the end face of the press pressure of human body enforcement to the sensor device test side.
4, a kind of monitoring of blood pressure device comprises:
The pressure sensitive device is used to detect or obtain the pressure signal that puts on the arteries,
Pulse transducer is used for detecting or obtaining arterial vascular pulse signal or blood flow signal,
Signal processing apparatus is used to explain the signal that pressure sensitive device, pulse transducer produce, determining to represent the blood pressure signal of actual artery blood pressure,
It is characterized in that:
The port of described pulse transducer test side or end face also are suitable for being pressed on the life entity arteries skin surface, implement the change of arteries conducting amount,
Described pressure sensitive device also is suitable for accepting and transmits port or the end face of the press pressure of human body enforcement to the pulse transducer test side.
5, monitoring of blood pressure device according to claim 4 is characterized in that:
The port of described pulse transducer test side or end face are pressed on the life entity arteries skin surface, when implementing arterial vascular blocking-up or changing arterial vascular conducting amount, described pulse transducer can detect the pulse signal of variation or the blood flow signal of variation, and described pressure sensitive device can detect the press pressure that human body is implemented.
6, a kind of monitoring of blood pressure device comprises:
Blocking vessel is used for live body, and realize arterial vascular blocking-up or change arterial vascular conducting amount,
The pressure sensitive device is used to detect or obtain the pressure signal that puts on the arteries,
Pulse transducer is used for detecting or obtaining arterial vascular pulse signal or blood flow signal,
Signal processing apparatus is used to explain the signal that pressure sensitive device, pulse transducer produce, determining to represent the blood pressure signal of actual artery blood pressure,
It is characterized in that:
Described blocking vessel is not by electric power, source of the gas device driven, but independently stops element,
Described obstruction element links to each other with the pressure sensitive device when implementing the change of arteries conducting amount,
Described pressure sensitive device also is suitable for accepting and transmits port or the end face of the press pressure of human body enforcement to the obstruction element.
7, monitoring of blood pressure device according to claim 6 is characterized in that:
The port of described obstruction element or end face are pressed on the life entity arteries skin surface, when implementing arterial vascular blocking-up or changing arterial vascular conducting amount, described pulse transducer can detect the pulse signal of variation or the blood flow signal of variation, and described pressure sensitive device can detect the press pressure that human body is implemented.
8, according to claim 3,4,6 described monitoring of blood pressure devices is characterized in that:
Described press pressure is that staff or object that staff is held are implemented propulsive power.
9, according to the described monitoring of blood pressure device of claim 3~7, it is characterized in that, further comprise:
One support,
The upper end of described support is furnished with a screw propulsion adjusting device that comprises screw/nut, screw rod and handle,
The below of described screw rod is the connector that can implement arterial vascular blocking-up or change arterial vascular conducting amount, detection pulse signal or blood flow signal, detection press pressure,
The test side of working end, pulse transducer that is used to implement arterial vascular blocking-up in the described connector or changes arterial vascular conducting amount is towards the direction of stent foot,
Described connector can only move up and down in a scope of being scheduled to, can not lay across and can not break away from support, being used to the working end of implementing arterial vascular blocking-up or changing the conducting amount in the described connector can be beyond the stent foot lower end and the predetermined distance of distance bracket foot one.
Above-mentioned describedly further comprise: port or end face that described obstruction element is a sensor device; Port or end face that described obstruction element is the pulse transducer body comprise: the port of pulse transducer body case or end face; Described pulse transducer is the condenser type pulse transducer, electret microphone, reflective photoelectricity pulse transducer, vibrating sensor, touch force sensor; The acquisition methods of described pulse signal or blood flow signal and pick off comprise infrared transmitting formula method and pick off, and described obstruction element comprises the luminous component in the infrared transmitting formula pick off, perhaps the light harvesting parts in the infrared transmitting formula pick off.
The present invention has following advantage than prior art:
Overcome in the existing blood pressure measurement technology and will use the cuff that fills, exits usually, the air bag that fills, exits, electric devices etc. pressurize and the prejudice of pressure release to the arteries skin surface; Technical scheme of the present invention is: directly with the hands of human body or object that staff is held or manually the screw propulsion adjusting device come sensor device is implemented pressurization, decompression; Therefore, made monitoring of blood pressure apparatus structure is simple, in light weight, easy to manufacture, uses, wears, carries more convenient.
Description of drawings
Fig. 1 is monitoring of blood pressure device of the present invention is pressed monitoring in the enterprising promoting the circulation of blood of human body Radial artery a principle schematic;
Fig. 2 is a kind of be used for arteries blocking-up, conducting of the present invention, obtains the structural representation of pulse, pressure signal assembly;
Fig. 3 is that another kind of the present invention is used for arteries blocking-up, conducting, obtains the structural representation of pulse, pressure signal assembly;
Fig. 4 applies to a kind of reflective photoelectricity pulse transducer structural representation of the present invention;
Fig. 5 is the upward view of Fig. 4;
Fig. 6 is structure, the principle schematic by a kind of wrist carried electric sphygmomanometer of the present invention's realization;
Fig. 7 is the structural representation by a kind of pen type electric sphygmomanometer of the present invention's realization;
Fig. 8 is the structural representation by the another kind of pen type electric sphygmomanometer of the present invention's realization;
Fig. 9 is structure, the principle schematic by a kind of watch style electric sphygmomanometer of the present invention's realization;
Figure 10 is a kind of arteries blocking-up, conducting that realizes by support of the present invention, obtains the structural representation of pulse signal, pressure signal assembly;
Figure 11 is a kind of circuit block diagram of monitoring of blood pressure device of the present invention.
The specific embodiment
The present invention is further described below in conjunction with drawings and Examples.
With reference now to accompanying drawing, describe the present invention, wherein identical label is used in reference to identical parts in the text.In the following description, A refers to pulse transducer or blood flow signal transducer, it comprises widely and can or detect the pulse transducer of pulse signal non-contactly or detect the blood flow signal transducer in the contact of arteries skin surface, as: condenser type pulse transducer, electret microphone, vibrating sensor, touch force sensor, infrared reflection formula photoelectricity pulse transducer, infrared transmitting formula photoelectricity pulse transducer, or the like; B refers to be used to detect and be used for the pick off of transmit force, and it comprises touch force sensor widely, and pressure transducer etc. are suitable for detecting and being used for the pick off of transmit force, comprising: ceramic piezoresistance, pressure sensor or the like; C refers to stop element, it refers to that widely all can be used for oppressing the arteries skin surface, and makes the object of arteries blocking-up, and it may be made from a variety of materials, and different structure, comprise independently air bag etc., stop the element that element also may have function in addition, as: the infrared ray ballistic transistor, or infrared ray receiving crystal pipe, the place that it is different from traditional blocking vessel is not use electric device to drive, no inflator pump, inflation cuff; No electricpropulsion installation does not have pneumatic propulsion plant or the like.
Fig. 1 is that monitoring of blood pressure device of the present invention is pressed the principle schematic of monitoring in the enterprising promoting the circulation of blood of human body Radial artery, and it has explained the basic skills of monitoring of blood pressure of the present invention.The 105th, human body hands limb, the 106th, wrist place radial artery, A are pulse transducer or blood flow signal transducer, and B is the pressure sensitive device, and C stops element, and A, B, C form an assembly, and the 107th, signal processing and display device.
If port or the end face of C or A, C are placed on the skin surface at contiguous Radial artery blood vessel 106 places, and behind stable A, B, the C, at first, finger 108 by the people is above pressure sensitive device B, apply necessary pressure F, the port or the end face of stopping element C force arteries 106 blocking-up; Then, reduce staff 108 propulsive power F gradually by predetermined speed again, make arteries 106 and propulsive force reduce the conducting gradually of the identical speed of speed; Simultaneously, make pulse transducer A, pressure sensitive device B get access to arteries from block complete turn on process pulse signal and put on the pressure signal of stopping on element or the arteries, and be transferred in 107 by signal transmssion line 104; Then, use the signal processing apparatus in 107 to use Ke Shi sound method, oscillometric method, the wave method that shakes, volumetric method, the pulse signals of explanation arteries from block complete turn on process and the pressure signal that puts on obstruction element or the arteries such as blood flow characteristics analytic process, thereby, determine and show actual arteriotony by 107, realize the present invention.
In like manner, if port or the end face of C or A, C are placed on the skin surface at contiguous Radial artery blood vessel 106 places, and behind stable A, B, the C, at first, finger 108 by the people is above pressure sensitive device B, apply the pressure F that becomes big gradually by predetermined speed, force arteries 106 blocking-up by the port or the end face of stopping element C; Simultaneously, make pulse transducer A, pressure sensitive device B get access to arteries from be conducting to the blocking-up process pulse signal and put on the pressure signal of stopping on element or the arteries, and be transferred in 107 by signal transmssion line 104; Then, use the signal processing apparatus in 107 to use Ke Shi sound method, oscillometric method, the wave method that shakes, volumetric method, the pulse signals of explanation arteries from block complete turn on process and the pressure signal that puts on obstruction element or the arteries such as blood flow characteristics analytic process, thereby, determine and show actual arteriotony by 107, also can realize the present invention.
In like manner, if port or the end face of C or A, C are placed on the skin surface at contiguous Radial artery blood vessel 106 places, and behind stable A, B, the C, at first, finger 108 by the people is above pressure sensitive device B, apply the pressure F that becomes big gradually by predetermined speed, force arteries 106 blocking-up by the port or the end face of stopping element C; Then, reduce staff 108 propulsive power F gradually by predetermined speed again, make arteries 106 and propulsive force reduce the conducting gradually of the identical speed of speed; Simultaneously, make pulse transducer A, pressure sensitive device B get access to arteries from being conducting to blocking-up and pulse signal from the reciprocating motion process of blocking conducting and putting on the pressure signal of stopping on element or the arteries, and be transferred in 107 by signal transmssion line 104; Then, use the signal processing apparatus in 107 to use Ke Shi sound method, oscillometric method, the wave method that shakes, volumetric method, the pulse signals of explanation arteries from block complete turn on process and the pressure signal that puts on obstruction element or the arteries such as blood flow characteristics analytic process, thereby, determine and show actual arteriotony by 107, also can realize the present invention.
In like manner, if with C or A, the port of C or end face are placed on the skin surface at contiguous Radial artery blood vessel 106 places, finger 108 by the people is above pressure sensitive device B, apply the pressure F of variation by predetermined speed, the conducting quantitative changeization that port by stopping element C or end face force arteries 106, if in arteries conducting quantitative change process, the pulse sensing can detect the numerical value of the mean wave form point of arteriotony, so, the measured pressure of the pairing pressure transducer of pulse transducer mean wave form point is decided, can also be determined arteriotony measurement of the present invention.
In addition,, arrange infrared ray receiving crystal pipe or the ballistic transistor that matches with A, also can realize the present invention at the back side, 109 places of the human body hands limb 105 of A correspondence if A is infrared ray ballistic transistor or receiving crystal pipe in Fig. 1.
Wherein should be noted that, when if pulse transducer is the contact type measurement pick off, as: electret microphone, vibrating sensor, touch force sensor, infrared ray photoelectricity pulse transducer etc., the port of its contact pulse transducer or end face will be pressed on the skin of living body surface of arteries top, the pulse signal in the time of can detecting the arteries conducting; As long as pulse signal in the time of can detecting the arteries conducting or blood flow signal can be realized the present invention.
From Fig. 1, should expect further that the signal deriving means of the pressure signal on obtaining arteries pulse signal or blood flow signal and putting on obstruction element or arteries comprises: 1, pulse transducer A is connected, arranges the assembly that (non-caked fixing) forms with pressure transducer B; 2, incorporate, the sensor body that can obtain pulse signal and pressure signal simultaneously is as capacitor type pulse pressure pick off.Port or end face that described obstruction element can be the pulse transducer body, or the port of the shell of pulse transducer body or end face, as long as the variation that they suit to implement at the arteries skin surface arterial vascular blocking-up, conducting amount promptly should be included within the present invention.In addition, the signal of A, B can be transferred in 107 by wireless mode, as infrared ray, bluetooth, frequency modulation, amplitude modulation or the like wireless transmission method.
Fig. 2 a kind ofly is used for arteries blocking-up, conducting for what realize that the present invention designs, and the structural representation that obtains pulse, pressure signal assembly.Wherein, A is the pulse transducer that is used to obtain pulse signal, B is a pressure transducer, C stops element, B-a is the pressure sensitive end face of pressure transducer, B-b is the backward end of the pressure sensitive end face B-a of pressure transducer, the outer ring of B-c finger pressure force transducer, the 104th, the flexible electrical connecting wire of pulse transducer and pressure transducer.It between them stable the connection.Wherein, special exhibition stop element C and directly be connected with the non-pressure induction end face of pressure sensitive device B, the pressure sensitive end B-a of the port of obstruction element C or end face and pressure sensitive device is towards opposite.
Fig. 3 is for realizing that the another kind that the present invention designs is used for arteries blocking-up, conducting, and the structural representation that obtains pulse, pressure signal assembly.Wherein, A is used to obtain the pulse transducer of pulse signal, B is a pressure transducer, C stops element, B-a is the pressure sensitive end face of pressure transducer, B-b is the reverse end face of the pressure sensitive end face B-a of pressure transducer, the outer ring of B-c finger pressure force transducer, the 104th, the electrical connecting wire of pulse transducer and pressure transducer.It between them stable the connection.Wherein, special exhibition stop element C and directly be connected with the pressure sensitive end face B-a of pressure sensitive device.
Can know clearly that from Fig. 2, Fig. 3 stopping element C can be connected on the pressure sensitive end face B-a of pressure transducer; Also should know simultaneously:, reach on other position as long as the pressure sensitive end B-a that stops the port of element C or end face and pressure sensitive device B stops element and can also be connected on the outer ring B-c of pressure sensitive device towards opposite.
Fig. 4, Fig. 5 apply to a kind of reflective photoelectricity pulse transducer structural representation of the present invention.Wherein, 201 is cylindrical components, the 203rd, infrared light-emitting diode, the 204th, infrared ray receives audion, the 202nd, partition wall prevents that 203 light from directly entering the angle that has setting between 204,203,204 end faces, 203, the certain distance of 204 end face and 201 port distance can also be concordant with 201 port.Wherein.Can also the hold concurrently function of attached obstruction element C of 201 lower port.When being placed on the live body end face blood vessel skin surface with 201, make 203 luminously, 204 can experience certain pulse signal that changes with blood pressure.Simultaneously, also should be known in 202 port can hold concurrently function, the effect of attached obstruction element C if 202 port is higher than 203,204 port.In addition, if 203,204 port is higher than 201,202 port simultaneously, 201,202 port function, the effect of attached obstruction element C of can holding concurrently so.
Fig. 6 is structure, the principle schematic by a kind of wrist carried electric sphygmomanometer of the present invention's realization.The 501st, the human body wrist schematic cross-section, the 502nd, the wrist radial artery, 504 is housings, inside is used for ccontaining signal processing apparatus at least, display device, battery, adjust button 505 etc., the 506th, flexible wristband, can be by animal skins, rubber, plastic cement, nylon, metallic bonds etc. constitute (with the described flexible wristband of full text), the 508th, setting fastening, 506 504 grades are placed above, simultaneously, please refer to Fig. 2~7, with A, B, C etc. place the suitable position of wrist strap 506, make A, B, the distances that C distance 504 is suitable, and the outer ring of pressure sensitive device B (please refer to Fig. 2) that will be wherein is connected with flexible wristband, the backward end of pressure sensitive device connection obstruction member end exposes the wrist strap surface.Wherein, the 507th, the flexible signal transfer wire of pulse transducer, pressure sensitive device.
Fig. 6 is a best connected mode of the present invention, does not get rid of other connected mode that any parts in the connector that A, B, C connect into and adnexa thereof are connected with flexible wristband 506.Should be known in that A, B, C can also be fixed on 504 inside or outside, as long as satisfy arterial vascular detection of the present invention, can realize the present invention equally.
In Fig. 6, if with C, A aims at radial artery 502, finger by the people applies perpendicular to the human body skin surface on pressure sensitive device B, necessary, during the pressure that changes, C, the port of A or end face can force the variation of 502 blocking-up of end face blood vessel or conducting amount, simultaneously, with pulse transducer A, the pulse signal of the detected variation of pressure sensitive device B and the pressure signal of variation are transferred to signal processing apparatus in 504 by transmission line 507, thus, use Ke Shi sound method by the signal processing apparatus in 504, oscillometric method, wave method shakes, volumetric method, blood flow characteristics analytic process etc. is determined the pressure value of human body radial artery and is shown, also realizes monitoring of blood pressure of the present invention thus.Should be noted that: before carrying out blood pressure measurement, should make wrist strap 506 have certain slackness, arteries 502 conducting fully.
Fig. 7 is the structural representation by a kind of pen type electric sphygmomanometer of the present invention's realization.Wherein, A, B, C is a pulse transducer, the connector that pressure sensitive device and obstruction element are formed by connecting, A, C is connected the non-pressure induction end of pressure sensitive device, 603 is housings, its front end has a guide hole 613, connector A, B, B among the C is in guide hole 613 inside, A, C is in 603 outside, 604 is cylinders, and its end is fixed on the wall of housing 603, and an end is embedded with compression spring 605, the pressure sensitive end B-a of 605 other end conflict pressure sensitive device, because the outer ring B-c of pressure sensitive device is greater than the inner ring of guide hole 613, therefore, A, B, C can not break away from housing 603, between pressure sensitive device outer ring and the guide hole inner ring for movingly, 605 have suitable in the wrong strong ability, from A, the front end of C can be with A, B, C pushes suitable distance toward enclosure interior, and A, C is still in 603 outside; Also in other words, 603 in the wrong strong ability should satisfy: place on the live body arteries skin surface as stopping element C port or end face, the active force of implementing to change on described housing 603 makes subsurface arteries blocking-up of skin of living body or conducting quantitative changeization, simultaneously, with pulse transducer A, the pulse signal of the detected variation of pressure sensitive device B and the pressure signal of variation are transferred to signal processing apparatus in the circuit board 608 by transmission line 610, thus, use Ke Shi sound method by signal processing apparatus, oscillometric method, wave method shakes, volumetric method, blood flow characteristics analytic process etc. is determined the pressure value of human body radial artery and is shown.Wherein, the 608th, circuit board, on be equipped with signal processing apparatus or circuit, the 607th, LCD display, the 606th, glass protection screen, the 609th, battery.The 610th, the flexible electrical connecting wire of A, B.
In Fig. 7, when implementing arteries conducting quantitative change, except that the port or end face of A, C, housing 603 outer surfaces would not be pressed onto skin surface, and measuring principle is with reference to figure 1.Wherein, the port of compression spring 605 can be selected to be connected or not connect with the pressure sensitive end of B, but, the contact surface that should guarantee them is within the scope of the pressure sensitive face of B, compression spring 605 can be selected to be connected or not connect with cylinder 604, but will prevent to compress spring breaks away from position shown in its figure.Should be known in that compression spring 605 can also be substituted by the air bag of a sealing, is perhaps substituted by other elastomers such as rubber.Use the reason of compression spring 605 to be, place on the live body arteries skin surface as stopping element C port or end face, after enforcement active force on the described housing 603 makes the subsurface arteries blocking-up of skin of living body, reducing gradually in the process of pressure by predetermined speed, can become relative obvious according to the variation of relative movement distance between housing 603 and the human body skin surface and the variation of the power that staff is felt, can grasp speed that reduces pressure or the speed that arterial vascular conducting speed is used near design thus preferably; Thus, can know, not use compression spring 605, change to incompressible object with 605 and can also realize the present invention.
If in Fig. 7, remove 605,604, A, C separated with B-c or not bonding, B-c is fixed in 603 bonding 604 position, the end face of the end face distance 603 of A, C satisfies the distance of measuring, and also can realize the present invention.
Fig. 8 is the structural representation by a kind of pen type electric sphygmomanometer of the present invention's realization; It is identical with component configuration, the operation principle of Fig. 7, different is: A, C are connected the pressure sensitive end B-a of pressure sensitive device, one end of compression spring 605 is to be enclosed within on the outer ring of shell of non-pressure induction end of B, the other end of compression spring also is to be enclosed within on the outer ring of cylinder 504, in addition, the 611st, the human body sensing sheet of power supply soft-touch control.
A, B, C coupling assembling can be selected the assembly shown in Fig. 2~5 etc. in Fig. 7,8.
Fig. 9 is structure, the principle schematic by a kind of watch style electric sphygmomanometer of the present invention's realization.Wherein, the 701st, the human body wrist cross sectional view, the 702nd, Artery Vein, A is a pulse transducer, B pressure sensitive device and C stop the connector that element is formed by connecting, A, C is connected the non-pressure induction end of pressure sensitive device, 703 is housings, the 704th, dustproof bottom, its centre has a hole 710, the 705th, the reinforced circuit board of intensity, it is fixed on the housing 703, at A, B, in the C connector, the pressure sensitive end of B is connected on 705 by stage body 708 usefulness fixtures 709, the contact surface of stage body 708 and B is within the scope of the pressure sensitive face of B, and the pressure sensitive end face B-a that 708 effect is to make the pressure sensitive device and 705 contact help the transmission and the detection of power, when being protruding for the pressure sensitive end face of pressure sensitive device, as Fig. 6, measure assembly shown in 7, then can not want 708; Guide hole 710 inner rings are greater than the outer ring of pressure sensitive device B, and the port of A, C or end face are in 704 outside, and the distance certain apart from outer surface; Also in other words, as C, A port or end face are placed on the live body arteries skin surface, when the enforcement active force was blocked the subsurface arteries of skin of living body on described housing 703, except that the port or end face of A, C, housing 703 outer surfaces can not be pressed onto skin surface.Wherein, the 707th, LCD display, the 706th, the glass protection screen, the 711st, flexible wristband, the 712nd, setting fastening can be provided with the battery that battery is installed and buckle on 705.Fig. 9 is that sphygomanometer is worn on the view on the back of the hand, if carry out the measurement of blood pressure, only need direction roll-shell 703 towards W, A, C are placed the outer surface of arteries 702, press 703 earlier and make the arteries blocking-up, reduce gradually 703 press pressures are made arteries conducting fully gradually with certain speed again, then can carry out the measurement of blood pressure.Should be noted that: before carrying out blood pressure measurement, should make wrist strap 711 have certain slackness, arteries 702 conducting fully.
In addition, should know in A, B, C connector that the pressure sensitive end of B can be connected on the dustproof bottom 704 by stage body 708 usefulness fixtures 709.
By the prompting of Fig. 7, Fig. 8, should be known in that pressure sensitive device B and 706 of the circuit boards among Fig. 9 can also dispose compression spring or elastomer.In addition, if the flexible wristband 711 of dismantling, setting fastening 712 also can constitute and is similar to the electric sphygmomanometer shown in Fig. 7,8.
Figure 10 is a kind of arteries blocking-up, conducting that realizes by support of the present invention, obtains the structural representation of pulse signal, pressure signal assembly.Wherein, 801 is a housing, 802,803 for being installed in the feet on 801,801,802,803 constitute a support, pulse transducer A, connector 807, the components that pressure sensitive device B connects into is in 801 inside, 801 lower ends have a guide hole, A, 807 stretch out in housing 801 from the hole, wherein the lower port of A or end face are 802, beyond 803 the lower end, and the predetermined distance of distance bracket foot one, the outer ring of B greater than the inner ring in hole in housing 801, A, 807 and the hole between for movingly, upper end at B, have a screw on the housing 801, the upper end of being furnished with a screw rod 804,804 in screw is equipped with turning handle 805, thus, A, C, 807, the connector that B etc. connect into is retrained by support, can only move up and down in a predetermined scope, can not lay across and can not break away from support.
If, bracket leg spike 802,803 is stabilized in (with reference to figure 1) on the live body limbs, the port of A, C or end face place on the live body arteries skin surface, with staff during towards predetermined direction turning handle 805, screw rod 804 rotates and moves down, predetermined propulsive force is implemented to B in the termination of screw rod 804, and the port of A, C or end face can be blocked the subsurface arteries of skin of living body; If by predetermined velocity reversal's turning handle 805, move on the screw rod 804, screw rod 804 terminations reduce gradually to the propulsive power of B again, and arteries reduces the conducting gradually of the identical speed of speed with propulsive force; Simultaneously, make sensor device, perhaps pulse transducer, pressure sensitive device get access to arteries from be clogged to complete turn on process pulse signal and put on the pressure signal of stopping on element or the arteries; Then, use signal processing apparatus to explain the pulse signal of arteries from be clogged to complete turn on process and the pressure signal that puts on obstruction element or the arteries, thereby, determine actual arteriotony; Otherwise it is identical.
If flexible band is installed on 801 both sides, band is bundled on the live body limbs, can carry out the monitoring of blood pressure by method shown in Figure 1 and signal processing apparatus of the present invention and display device, perhaps the situation of beating or the pulse wave of monitor pulse continuously.
In Figure 10, obtain the pulse signal of arteries from block complete turn on process and put on the signal deriving means of stopping the pressure signal on element or the arteries and comprise: 1, the assembly that is formed by connecting of sensors A and pick off B; 2, incorporate, the sensor body that can obtain pulse signal and pressure signal simultaneously, promptly A, C, 807, B are integrated, as electric capacity shape pulse pressure pick off.
Should know that by the statement of above structure, principle obstruction element of the present invention comprises port or the end face of sensor body A, perhaps the port of the shell of sensor body A or end face etc. are interior.Port or end face for the obstruction element of interruption artery blood vessel, perhaps for the port or the end face of the sensor device of interruption artery blood vessel, its port or end face size should cover the arteries under the skin of living body surface, and promptly the size of its port or end face is through selecting.
Figure 11 is a kind of circuit block diagram of realizing electric sphygmomanometer of the present invention.Wherein, A is a pulse transducer, B pressure sensitive device, the 1007th, LCD display, be used for the display of blood pressure value, the 1009th, the superpressure alarm speaker, signal processing apparatus 1000 comprises: 1003 pulse wave bandpass amplifiers (or extract circuit or be used to mention the pulse composition by the Ke Shi tone signal, the perhaps circuit of blood flow composition), the A/D conversion input among its output signal input MCU; The 1004th, the pressure signal amplifier, the A/D conversion input among its output signal input MCU, and, change, store, analyze, show output by 1008 pairs of input signals of microcontroller MCU, or the like; Wherein, 1008 can select the MSP430 single-chip microcomputer, as: MSP430FG449 is useful on the signal of explaining that pressure sensitive device, pulse transducer produce in the MSP430FG449 internal fixation, with definite software of representing the blood pressure signal of actual artery blood pressure.1010 provide constant pressure source or the constant-current source lead to A, B.
According to measuring principle, Figure 11 signal interpretation principle of Fig. 1, the signal that signal that MCU-MSP430FG449 of the present invention sends into according to pulse transducer A and pressure sensitive device B send into determine blood pressure for example:
(1), a kind of Ke Shi sound method determines that the arteriotony method is: at first, by obstruction element C in A of the present invention, B, the C assembly or A extrusion blood vessel, make blood flow stifled fully disconnected, at this moment detect the pulse wave of blood vessel with pulse transducer A, when not having, then, slowly reduce applied pressure to B, pulse transducer A detects pulse wave, and the measured pressure of pressure sensitive device this moment thinks that high pressure is a systolic pressure; Continue to reduce the applied pressure to B, detect powerful pulse wave by pulse transducer, waiting a moment diminishes slowly, until detecting the very steady calibration normal pulse waveform of fighting, at this moment the measured pressure of pressure sensitive device thinks that blood vessel is not squeezed fully, just as low pressure, i.e. and diastolic pressure.
(2), a kind of oscillometric method, the wave method that shakes determines that the arteriotony method is: at first, by A of the present invention, B, obstruction element C in the C assembly or A extrusion blood vessel, make blood flow stifled fully disconnected, at this moment detect the pulse wave of blood vessel with pulse transducer A, when not having, then, slowly reduce applied pressure to B, when pressure is reduced to a certain degree, blood flow just can pass through blood vessel, and pulse transducer A measures certain wave of oscillation, reduce pressure gradually to B, the wave of oscillation is increasing, reduces the pressure to B again, so the wave-shape amplitude that pulse transducer A is detected is more and more littler; Variation and the detected pressure of pressure sensitive device according to the pulse wave amplitude change corresponding characteristics, supposing to select the maximum measured pressure of moment pressure sensitive device of pulse transducer A fluctuation is reference point, based on this point, seeking forward is the fluctuation point of peak value 0.45, this point is high pressure (being systolic pressure), seeking backward is the fluctuation point of peak value 0.75, and the pairing pressure of this point is low pressure (being diastolic pressure), and the highest pairing pressure of point of fluctuation is mean pressure.Wherein, 0.45 and 0.75 is a constant, can determine in addition according to clinical experience.
Other method of determining blood pressure is no longer given an example.
The above be the present invention specific for example, when not departing from broad aspect of the present invention, obviously may carry out modification and the variation that can imagine to the present invention, therefore, interest field of the present invention should not be subjected to the restriction of particular examples and specific embodiment; Of the present inventionly be intended to contain all and similarly revise and variation, and the combination of related product to some extent, they all drop on the row of the spirit and scope of claims of the present invention.

Claims (9)

1. the monitoring method of a blood pressure is characterized in that, comprising:
Stop element, be placed on live body arteries skin surface,
Sensor device is used to obtain arterial vascular pulse signal or blood flow signal and puts on the pressure signal of stopping on element or the arteries,
Signal processing apparatus is used to explain pulse signal or the blood flow signal when arteries conducting amount changes and puts on the pressure signal of stopping on element or the arteries,
At first, stop the propulsive force that element is implemented variation during by staff or object that staff is held or screw propulsion adjusting device, make arterial vascular conducting quantitative changeization,
Simultaneously, make sensor device obtain pulse signal in the arteries conducting quantitative change process or blood flow signal and put on the pressure signal of stopping on element or the arteries,
Then, use pulse signal or the blood flow signal in the signal processing apparatus explanation arteries conducting quantitative change process and put on the pressure signal of stopping on element or the arteries, thereby, determine actual arteriotony.
2. method according to claim 1 is characterized in that, further comprises:
Signal processing apparatus is explained pulse signal or blood flow signal and is put on the pressure signal of stopping on element or the arteries and determines that also the method for blood pressure comprises Ke Shi sound method, oscillometric method, the wave method that shakes, volumetric method, blood flow characteristics analytic process etc.
3. monitoring of blood pressure device comprises:
Sensor device is used to detect or obtain arterial vascular pulse signal or blood flow signal and the pressure signal that puts on the arteries,
Signal processing apparatus is used to explain the signal that sensor device produces, determining to represent the blood pressure signal of actual artery blood pressure,
It is characterized in that:
The port of described sensor device test side or end face also are suitable for being pressed on the life entity arteries skin surface, implement the change of arteries conducting amount,
Described sensor device also is suitable for accepting and transmits port or the end face of the press pressure of human body enforcement to the sensor device test side.
4. monitoring of blood pressure device comprises:
The pressure sensitive device is used to detect or obtain the pressure signal that puts on the arteries,
Pulse transducer is used for detecting or obtaining arterial vascular pulse signal or blood flow signal,
Signal processing apparatus is used to explain the signal that pressure sensitive device, pulse transducer produce, determining to represent the blood pressure signal of actual artery blood pressure,
It is characterized in that:
The port of described pulse transducer test side or end face also are suitable for being pressed on the life entity arteries skin surface, implement the change of arteries conducting amount,
Described pressure sensitive device also is suitable for accepting and transmits port or the end face of the press pressure of human body enforcement to the pulse transducer test side.
5. monitoring of blood pressure device according to claim 4 is characterized in that:
The port of described pulse transducer test side or end face are pressed on the life entity arteries skin surface, when implementing arterial vascular blocking-up or changing arterial vascular conducting amount, described pulse transducer can detect the pulse signal of variation or the blood flow signal of variation, and described pressure sensitive device can detect the press pressure that human body is implemented.
6. monitoring of blood pressure device comprises:
Blocking vessel is used for live body, and realize arterial vascular blocking-up or change arterial vascular conducting amount,
The pressure sensitive device is used to detect or obtain the pressure signal that puts on the arteries,
Pulse transducer is used for detecting or obtaining arterial vascular pulse signal or blood flow signal,
Signal processing apparatus is used to explain the signal that pressure sensitive device, pulse transducer produce, determining to represent the blood pressure signal of actual artery blood pressure,
It is characterized in that:
Described blocking vessel is not by electric power, source of the gas device driven, but independently stops element,
Described obstruction element links to each other with the pressure sensitive device when implementing the change of arteries conducting amount,
Described pressure sensitive device also is suitable for accepting and transmits port or the end face of the press pressure of human body enforcement to the obstruction element.
7. monitoring of blood pressure device according to claim 6 is characterized in that:
The port of described obstruction element or end face are pressed on the life entity arteries skin surface, when implementing arterial vascular blocking-up or changing arterial vascular conducting amount, described pulse transducer can detect the pulse signal of variation or the blood flow signal of variation, and described pressure sensitive device can detect the press pressure that human body is implemented.
8. according to claim 3,4,6 described monitoring of blood pressure devices is characterized in that:
Described press pressure is that staff or object that staff is held are implemented propulsive power.
9. according to the described monitoring of blood pressure device of claim 3~7, it is characterized in that, further comprise:
One support,
The upper end of described support is furnished with a screw propulsion adjusting device that comprises screw/nut, screw rod and handle,
The below of described screw rod is the connector that can implement arterial vascular blocking-up or change arterial vascular conducting amount, detection pulse signal or blood flow signal, detection press pressure,
The test side of working end, pulse transducer that is used to implement arterial vascular blocking-up in the described connector or changes arterial vascular conducting amount is towards the direction of stent foot,
Described connector can only move up and down in a predetermined scope, and can not lay across and can not break away from support,
Being used to implement arterial vascular blocking-up in the described connector or changing the working end of conducting amount can be beyond the stent foot lower end and the predetermined distance of distance bracket foot one.
CN2007101493491A 2007-06-25 2007-09-02 A monitoring apparatus for blood pressure Expired - Fee Related CN101156772B (en)

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RU2446738C1 (en) * 2010-10-06 2012-04-10 Виктор Михайлович Коршунов Device for measuring arterial pressure and pulse rate without cuff
CN104127176A (en) * 2014-06-26 2014-11-05 北京信息科技大学 Portable blood pressure and pulse measuring instrument without inflation pump structure
CN107782479A (en) * 2017-12-05 2018-03-09 四川新源生物电子科技有限公司 A kind of Irregular Boundary Surface pressure test structure of the various states of adaptive human body
CN109662702A (en) * 2018-05-23 2019-04-23 李芝宏 Condenser type pulse detection system and method
CN110403580A (en) * 2018-04-28 2019-11-05 深圳市大耳马科技有限公司 A kind of pulse transit measurement method of parameters and pulse transit parameter processing device
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IL86010A (en) * 1987-07-03 1993-02-21 Hi Bridge Kk Apparatus for measuring blood pressure
US5941828A (en) * 1993-11-09 1999-08-24 Medwave, Inc. Hand-held non-invasive blood pressure measurement device
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RU2446738C1 (en) * 2010-10-06 2012-04-10 Виктор Михайлович Коршунов Device for measuring arterial pressure and pulse rate without cuff
CN104127176A (en) * 2014-06-26 2014-11-05 北京信息科技大学 Portable blood pressure and pulse measuring instrument without inflation pump structure
CN111803044A (en) * 2014-07-02 2020-10-23 许建平 Electronic detection device
CN111803044B (en) * 2014-07-02 2024-02-02 许建平 Electronic detection device
CN107782479A (en) * 2017-12-05 2018-03-09 四川新源生物电子科技有限公司 A kind of Irregular Boundary Surface pressure test structure of the various states of adaptive human body
CN107782479B (en) * 2017-12-05 2024-04-19 四川新源生物电子科技有限公司 Irregular curved surface pressure test structure of various states of self-adaptation human body
CN110403580A (en) * 2018-04-28 2019-11-05 深圳市大耳马科技有限公司 A kind of pulse transit measurement method of parameters and pulse transit parameter processing device
CN110403580B (en) * 2018-04-28 2023-01-17 深圳市大耳马科技有限公司 Pulse wave conduction parameter measuring method and pulse wave conduction parameter processing equipment
CN109662702A (en) * 2018-05-23 2019-04-23 李芝宏 Condenser type pulse detection system and method
CN113768482A (en) * 2021-08-02 2021-12-10 维沃移动通信有限公司 Touch control pen and electronic equipment

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