CN101077300A - Monitoring method and device for blood pressure - Google Patents
Monitoring method and device for blood pressure Download PDFInfo
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- CN101077300A CN101077300A CN 200710127683 CN200710127683A CN101077300A CN 101077300 A CN101077300 A CN 101077300A CN 200710127683 CN200710127683 CN 200710127683 CN 200710127683 A CN200710127683 A CN 200710127683A CN 101077300 A CN101077300 A CN 101077300A
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Abstract
The present invention relates to blood pressure measuring method and device. One blocking element is first set on skin surface corresponding to artery vessel and certain push force is applied onto the element to block the artery vessel, the push force is then reduced in certain rate for the artery vessel to dredge gradually while some sensor device is adopted to obtain the pulse signal and the pressure signal on the blocking element or the artery vessel during the period from blocking to complete conducting, and one signal treating device is adopted to determine the practical artery blood pressure. The present invention provides favorable condition for new type of electronic blood pressure measuring wrist watch, pen type electronic blood pressure meter, etc.
Description
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.
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 for obtaining arteries from the pulse signal of blocking complete turn on process and the pressure signal that puts on obstruction element or the arteries,
Signal processing apparatus is used for explaining arteries from the pulse signal of blocking complete turn on process and the pressure signal that puts on obstruction element or the arteries, thereby determines the actual artery blood pressure,
At first, implement predetermined propulsive force to stopping element, make the arteries blocking-up earlier by staff or object that staff is held,
Then, reduce staff or object that staff is held gradually to the propulsive power of obstruction element by predetermined speed again, make arteries and propulsive force reduce the conducting gradually of the identical speed of speed,
Simultaneously, make sensor device get access to the pulse signal of arteries from block complete turn on process and the pressure signal that puts on obstruction element or the arteries,
Then, use signal processing apparatus to explain the pulse signal of arteries from block complete turn on process and the pressure signal that puts on obstruction element or the arteries, thereby, determine actual arteriotony.
2, according to 1 described method, it is characterized in that, further comprise:
Signal processing apparatus explains pulse signal and puts on the pressure signal of stopping on element or the arteries and the method for determining blood pressure comprises Ke Shi sound method, and oscillometric method, wave method etc. shakes.But it should comprise other method, as: Chinese patent application number 03152232.7.Determine the method for blood pressure described in the title " working pressure pulsation duty is recently determined the method and apparatus of blood pressure ", or the like.
3, a kind of monitoring of blood pressure device comprises:
Sensor device is used for detecting or obtaining arterial vascular pulse signal and puts on arterial vascular pressure signal,
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, and implement arterial vascular blocking-up and change arterial vascular 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.
The port of described sensor device test side is placed on the human body artery blood vessel skin surface, described sensor device apply predetermined, during towards the press pressure of test side port, the port of sensor end can force the arteries blocking-up, when described press pressure is reduced to predetermined pressure, the conducting of arteries part, when described press pressure reduced gradually by predetermined speed, arteries is conducting gradually
Described arteries is from block complete turn on process, and that sensor device can detect is that grow out of nothing, descending variation, proportional with press pressure, the pulse signal of different range values.Thus, can determine arteriotony by methods such as Ke Shi sound method or oscillographic method, the ripple methods of shaking.
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,
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, and implement arterial vascular blocking-up and change arterial vascular 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, according to 4 described monitoring of blood pressure devices, it is characterized in that:
Described pulse transducer is connected with the pressure sensitive end of pressure sensitive device, perhaps, described pulse transducer is connected with the non-pressure induction end of pressure sensitive device, and the pressure sensitive end of the port of pulse transducer test side or end face and pressure sensitive device is towards opposite.
The port of described pulse transducer test side or end face are placed on the human body artery blood vessel skin surface, described pressure sensitive device apply predetermined, during towards the press pressure of the port of pulse transducer test side or end face, the port of pulse transducer test side or end face can force the arteries blocking-up, when described press pressure is reduced to predetermined pressure, the conducting of arteries part, when described press pressure reduced gradually by predetermined speed, arteries is conducting gradually
Described arteries is from block complete turn on process, and the pressure sensitive device can detect the press pressure of descending variation, pulse transducer can detect pulse signals that grow out of nothing, proportional with press pressure, different range values.Thus, can determine arteriotony by methods such as Ke Shi sound method or oscillographic method, the ripple methods of shaking.
6, a kind of monitoring of blood pressure device comprises:
Blocking vessel is used for live body, and realize arterial vascular blocking-up and 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,
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 is connected with the pressure sensitive device, and pulse transducer is connected with the obstruction element,
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, according to 6 described monitoring of blood pressure devices, it is characterized in that:
Described obstruction element is connected with the pressure sensitive end face of pressure sensitive device, and perhaps, the non-pressure of described obstruction element and pressure sensitive device induction end face is connected, and the pressure sensitive end of the port of obstruction element or end face and pressure sensitive device is towards opposite,
Described pulse transducer with stop element and link to each other, the port of obstruction element or end face and pulse transducer test side be towards identical,
The port of described obstruction element or end face are higher than the port or the end face of pulse transducer test side, and perhaps, the port of described obstruction element or end face are concordant with the port or the end face of pulse transducer test side.
The port of described obstruction element or end face are placed on the human body artery blood vessel skin surface, described pressure sensitive device apply predetermined, during towards the press pressure of the port of pulse transducer test side or end face, the port or the end face of stopping element can force the arteries blocking-up, when described press pressure is reduced to predetermined pressure, the conducting of arteries part, when described press pressure reduced gradually by predetermined speed, arteries is conducting gradually
Described arteries is from block complete turn on process, and the pressure sensitive device can detect the press pressure of variation, pulse transducer can detect pulse signals that grow out of nothing, proportional with press pressure, different range values.Thus, can determine arteriotony by methods such as Ke Shi sound method or oscillographic method, the ripple methods of shaking.
8, according to 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 3～7 described monitoring of blood pressure devices, it is characterized in that, further comprise:
Described pressure sensitive device comprises a sealing, has the shell of part elastic housing,
Described enclosure is filled with the air or the noble gas of predetermined pressure, and perhaps, described enclosure is filled with the iknsulating liquid of predetermined pressure,
After described enclosure is filled with the air or noble gas of predetermined pressure, elastic housing distortion projection, perhaps, and after described enclosure is filled with the iknsulating liquid of predetermined pressure, elastic housing distortion projection,
On the described non-resilient shell chip varistor or pressure sensitive integrated circuit are housed,
Air or indifferent gas bromhidrosis in the sensitivity end of described chip varistor or pressure sensitive integrated circuit and the shell are connected, and perhaps, the interior iknsulating liquid liquid of the sensitivity end of described chip varistor or pressure sensitive integrated circuit and shell is connected.
10, according to 3～7 described monitoring of blood pressure devices, 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 end face that sensor device and sensor device are accepted pressure, or, stop the end face that connector such as element, pulse transducer, pressure sensitive device and pressure sensitive device are accepted pressure,
The port of described sensor device test side or end face or stop the port of element or the test side of end face, pulse transducer towards the direction of stent foot,
Described sensor device or stop the connector that element, pulse transducer, pressure sensitive device etc. connect into and retrained by support can only move up and down in a predetermined scope, and can not lay across and can not break away from support,
The port of described sensor device test side or end face or stop the port of element or end face can be beyond the stent foot lower end and the predetermined distance of distance bracket foot one.
As support being stabilized on the live body limbs, the port of sensor device test side or end face or obstruction element port or end face place on the live body arteries skin surface, with staff during towards predetermined direction turning handle, screw rod, the termination of screw rod is to sensor device or stop the predetermined propulsive force of element enforcement, and the port or the end face of the port of sensor device or end face or obstruction element can be blocked the subsurface arteries of skin of living body; If again by predetermined velocity reversal's rotating screw bolt, screw end head reduces gradually to sensor device or the propulsive power of obstruction element, and arteries reduces the conducting gradually of the identical speed of speed with propulsive force; Simultaneously, make sensor device or pulse transducer, pressure sensitive device get access to arteries from block complete turn on process pulse signal and put on sensor device or stop element or arteries on pressure signal; Then, use signal processing apparatus to explain the arterial vascular pulse signal of arteries from block complete turn on process and the pressure signal that puts on sensor device or obstruction element or the arteries, thereby, determine actual arteriotony.
11, according to the method for 1 described monitoring blood pressure, it is characterized in that, further comprise:
Port or end face that described obstruction element is a sensor device.
12, according to 4～7 described electric sphygmomanometers, it is characterized in that, further comprise:
Port or end face that described obstruction element is the pulse transducer body comprise: the port of pulse transducer body case or end face.
13, according to 4～7 described electric sphygmomanometers, it is characterized in that, further comprise:
Described pulse transducer is the condenser type pulse transducer, electret microphone, reflective photoelectricity pulse transducer, vibrating sensor, touch force sensor.
Above-described connection comprises: directly connects and is connected indirectly, and by transmitting the connection that object carries out, identical in the text.
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 a kind of pressure transducer of the present invention and is used for arteries blocking-up, conducting, obtains the structural representation of pulse, pressure signal assembly;
Fig. 7 is another kind of pressure transducer of the present invention and is used for arteries blocking-up, conducting, obtains the structural representation of pulse, pressure signal assembly;
Fig. 8 is structure, the principle schematic by a kind of wrist carried electric sphygmomanometer of the present invention's realization;
Fig. 9 is the structural representation by a kind of pen type electric sphygmomanometer of the present invention's realization;
Figure 10 is the structural representation by the another kind of pen type electric sphygmomanometer of the present invention's realization;
Figure 11 is structure, the principle schematic by a kind of watch style electric sphygmomanometer of the present invention's realization;
Figure 12 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 13 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, it comprises the pulse transducer that can detect pulse signal at the arteries skin surface contiguously widely, as: contact condenser type pulse transducer, electret microphone, vibrating sensor, touch force sensor etc., and the pulse transducer that detects pulse signal non-contactly, as: infrared reflection formula photoelectricity pulse transducer; 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, comprises complex of the aerating gasbag composition that connects pressure transducer or the like; C refers to stop element, it refers to that widely all can be used for oppressing the arteries skin surface, and the object that arteries is blocked, it may be made from a variety of materials, and different structures, comprising independently air bag etc., the place that it is different from traditional blocking vessel is not use electric device to drive, no inflator pump, the 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 is a pulse transducer, and B is the pressure sensitive device, and C stops element, and A, B, C stably connect into an assembly, and the 107th, signal processing and display device.
If port or the end face of 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, the 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 106 blocking-up of end face blood vessel; 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 signal processing apparatus in 107 use explanations arteries such as Ke Shi sound method or oscillometric method, the wave method that shakes from block complete turn on process pulse signal and put on pressure signal on obstruction element or the arteries, thereby, determine and show actual arteriotony by 107, realize the method for monitoring of blood pressure of the present invention.Wherein should be noted that, when if pulse transducer is the contact type measurement pick off, as: electret microphone, vibrating sensor, touch force sensor 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; When if pulse transducer is the non-contact measurement pick off, as: infrared ray photoelectricity pulse transducer etc., the port of its contactless pulse transducer or end face can be selected to be pressed on the skin of living body surface of arteries top, perhaps, select not to be pressed on the skin of living body surface of arteries top, as long as the pulse signal can detect the arteries conducting time.
From Fig. 1, should further expect, 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 pulse transducer A and 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 are as long as they suit to implement arterial vascular blocking-up at the arteries skin surface and 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 a kind of pressure transducer of the present invention and is used for arteries blocking-up, conducting, obtains the structural representation of pulse, pressure signal assembly; Wherein, A, C are pulse transducers, stop element, and A, C can be by replacements such as electret microphone, photoelectricity pulse transducer, vibrating sensor, touch force sensors; 303 is connectors; And pressure sensitive device C comprises: 304 is concave body, the 305th, elastic closure, 305 can be metal, rubber corrugated plating or rubber-like thin plate etc., 304, be filled with the gas 306 of predetermined pressure in 305, gas 306 is connected with pressure sensor chip or integrated circuit 307 gas, 304,305,307 bonding and confining gases 306.In addition, should expect, wherein, 306 can be iknsulating liquid, as silicone oil, and 306 have predetermined pressure in 304,305, and pressure sensitive chip or integrated circuit 307 suitable iknsulating liquids can also be realized pressure sensitive device of the present invention or pressure transducer.Elastic closure 305 is used for the outside applied pressure F of perception.If, fix 304, the F that on 305, exerts pressure, then gas 306 is compressed, pressure increases, and can sense the pressure F that puts on 305 by pressure sensitive chip or integrated circuit 307.302 is circuit boards, it is used to the transfer electrical connecting wire 310,311 of pulse transducer and 307 electrical connecting wire, and their connectivity port is 308,309 places.In addition, in 304,305, charge into the gas or iknsulating liquid 306 of predetermined pressure after, 305 expansion bulging deformations.
Fig. 7 is another kind of pressure transducer of the present invention and is used for arteries blocking-up, conducting, obtains the structural representation of pulse, pressure signal assembly.Wherein, C stops element, and A is the pulse transducer that obtains pulse signal, and 403 is connectors; And pressure sensitive device C comprises: 404 is concave body, the 405th, air bag, air bag is made by elastomeric material, as rubber-like, air bag 405 inside are filled with the gas 406 of predetermined pressure, gas in the air bag is connected with pressure sensor chip or integrated circuit 407 gas, 405,407 bonding and confining gases 406; Pressure sensor chip or integrated circuit 407 are bonded on the concave body, and the latter half of air bag 405 is bonded in the concave body.In addition, should expect, wherein, 406 can be iknsulating liquid, as silicone oil, is filled with the iknsulating liquid of certain pressure in 405, and pressure sensitive chip or integrated circuit 407 suitable iknsulating liquids can also be realized pressure sensitive device of the present invention or pressure transducer.The first half of air bag 405 is used to respond to the pressure F that puts on the air bag.If, fix 404, at the first half of air bag F that exerts pressure, then air bag gas inside 406 is compressed, pressure increases, and senses the pressure F that puts on the air bag by pressure sensitive chip or integrated circuit 407.The 403rd, connector, it is fixedly connected on pulse transducer A on 404, stops element C and also is fixedly connected on 404.In addition, be filled with the gas or iknsulating liquid 406 of predetermined pressure in 406 inside after, 406 dilatancies.
In Fig. 6, Fig. 7, described gas 306,406 comprises air or noble gas.306,406 have predetermined pressure and density, as about 2 times or atmospheric pressure or density more than 2 times, therefore, can transmit power.
Fig. 8 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. 8 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.
In Fig. 8, 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, during necessary pressure, C, the port of A or end face can force 502 blocking-up of end face blood vessel, when finger presses pressure reduces with certain speed, C, A port or end face reduce the pressure on human body skin surface, radial artery 502 reduces the identical speed conducting gradually of variation of speed with press pressure, simultaneously, pulse transducer A, pressure sensitive device B, the pressure signal of the pulse signal of Artery Vein 502 detected variation from block complete turn on process and variation is transferred to signal processing apparatus in 504 by transmission line 507, thus, use Ke Shi sound method or oscillometric method by the signal processing apparatus in 504, the methods such as wave method of shaking are determined the pressure value of human body radial artery and are shown, also realize 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. 9 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, when the enforcement active force is blocked the subsurface arteries of skin of living body on described housing 603, except that the port or end face of A, C, housing 603 outer surfaces can not be pressed onto skin surface, and measuring principle is with reference to figure 1, Fig. 8.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.In addition, 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.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.
Figure 10 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. 9, 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. 2～7 etc. in Fig. 9,10.
Fig. 9,10 using method are, personnel selection holds housing 603, port or the end face of A, C are aimed at the subsurface arteries of skin of living body, apply necessary propulsive force to 603 earlier, the port of A, C or end face make the subsurface arteries blocking-up of skin of living body, then, reduce staff gradually to 603 propulsive power F by predetermined speed again, make arteries 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 608 by signal transmssion line 610; Then, use signal processing apparatus in 608 use explanations arteries such as Ke Shi sound method or oscillometric method, the wave method that shakes from block complete turn on process pulse signal and put on pressure signal on obstruction element or the arteries, thereby, determine and show actual arteriotony by 608,607, realize the method for another monitoring of blood pressure of the present invention.
Figure 11 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.Figure 11 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. 9, Figure 10, should be known in that pressure sensitive device B and 706 of the circuit boards among Figure 11 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 Fig. 9,10 electric sphygmomanometer.A, B, C coupling assembling can be selected the assembly shown in Fig. 2～7 in Figure 11.
Figure 12 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.
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 device shown in Figure 12 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 12, 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 pulse transducer A and pressure transducer 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 pulse transducer body A, perhaps the port of the shell of pulse transducer 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 13 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 is by pulse wave bandpass amplifier 1003 (or the Ke Shi tone signal is extracted circuit), pressure signal amplifier 1004 and microcontroller MCU 1008 constitute, wherein, 1008 can select the MSP430 single-chip microcomputer, as: MSP430FG449, be useful on explanation pressure sensitive device in the MSP430FG449 internal fixation, the signal that pulse transducer produces is 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 13 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 determines that the basic skills of blood pressure comprises:
(1), 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), oscillometric method, the wave method that shakes determine 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, 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 according to clinical experience.
In addition, it should be clearly know that the signal that signal that signal processing apparatus of the present invention is sent into according to pulse transducer A and pressure sensitive device B send into determines that the basic skills of blood pressure comprises other method, as: Chinese patent application number 03152232.7.Determine the method for blood pressure described in the title " working pressure pulsation duty is recently determined the method and apparatus of blood pressure ", or the like.
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 (10)
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 for obtaining arteries from the pulse signal of blocking complete turn on process and the pressure signal that puts on obstruction element or the arteries,
Signal processing apparatus is used for explaining arteries from pulse signal that is clogged to complete turn on process and the pressure signal that puts on obstruction element or the arteries, thereby determines the actual artery blood pressure,
At first, implement predetermined propulsive force to stopping element, make the arteries blocking-up earlier by staff or object that staff is held,
Then, reduce staff or object that staff is held gradually to the propulsive power of obstruction element by predetermined speed again, make arteries and propulsive force reduce the conducting gradually of the identical speed of speed,
Simultaneously, make sensor device get access to the pulse signal of arteries from block complete turn on process and the pressure signal that puts on obstruction element or the arteries,
Then, use signal processing apparatus to explain the pulse signal of arteries from block complete turn on process and the pressure signal that puts on obstruction element or the arteries, thereby, determine actual arteriotony.
2, method according to claim 1 is characterized in that, further comprises:
Signal processing apparatus explains pulse signal and puts on the pressure signal of stopping on element or the arteries and the method for determining blood pressure comprises Ke Shi sound method, and oscillometric method, wave method etc. shakes.
3, a kind of monitoring of blood pressure device comprises:
Sensor device is used for detecting or obtaining arterial vascular pulse signal and puts on arterial vascular pressure signal,
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, and implement arterial vascular blocking-up and change arterial vascular 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,
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, and implement arterial vascular blocking-up and change arterial vascular 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:
Described pulse transducer is connected with the pressure sensitive end of pressure sensitive device, perhaps, described pulse transducer is connected with the non-pressure induction end of pressure sensitive device, and the pressure sensitive end of the port of pulse transducer test side or end face and pressure sensitive device is towards opposite.
6, a kind of monitoring of blood pressure device comprises:
Blocking vessel is used for live body, and realize arterial vascular blocking-up and 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,
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 is connected with the pressure sensitive device, and pulse transducer is connected with the obstruction element,
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:
Described obstruction element is connected with the pressure sensitive end face of pressure sensitive device, and perhaps, the non-pressure of described obstruction element and pressure sensitive device induction end face is connected, and the pressure sensitive end of the port of obstruction element or end face and pressure sensitive device is towards opposite,
Described pulse transducer with stop element and link to each other, the port of obstruction element or end face and pulse transducer test side be towards identical,
The port of described obstruction element or end face are higher than the port or the end face of pulse transducer test side, and perhaps, the port of described obstruction element or end face are concordant with the port or the end face of pulse transducer test side.
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:
Described pressure sensitive device comprises a sealing, has the shell of part elastic housing,
Described enclosure is filled with the air or the noble gas of predetermined pressure, and perhaps, described enclosure is filled with the iknsulating liquid of predetermined pressure,
After described enclosure is filled with the air or noble gas of predetermined pressure, elastic housing distortion projection, perhaps, and after described enclosure is filled with the iknsulating liquid of predetermined pressure, elastic housing distortion projection,
On the described non-resilient shell chip varistor or pressure sensitive integrated circuit are housed,
Air or indifferent gas bromhidrosis in the sensitivity end of described chip varistor or pressure sensitive integrated circuit and the shell are connected, and perhaps, the interior iknsulating liquid liquid of the sensitivity end of described chip varistor or pressure sensitive integrated circuit and shell is connected.
10, 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 end face that sensor device and sensor device are accepted pressure, or, stop the end face that connector such as element, pulse transducer, pressure sensitive device and pressure sensitive device are accepted pressure,
The port of described sensor device test side or end face or stop the port of element or the test side of end face, pulse transducer towards the direction of stent foot,
Described sensor device or stop the connector that element, pulse transducer, pressure sensitive device etc. connect into and retrained by support can only move up and down in a predetermined scope, and can not lay across and can not break away from support,
The port of described sensor device test side or end face or stop the port of element or end face can be beyond the stent foot lower end and the predetermined distance of distance bracket foot one.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200710127683 CN101077300A (en) | 2007-06-25 | 2007-06-25 | Monitoring method and device for blood pressure |
| CN2007101493491A CN101156772B (en) | 2007-06-25 | 2007-09-02 | A monitoring apparatus for blood pressure |
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| Application Number | Priority Date | Filing Date | Title |
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| CN 200710127683 CN101077300A (en) | 2007-06-25 | 2007-06-25 | Monitoring method and device for blood pressure |
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| CN101077300A true CN101077300A (en) | 2007-11-28 |
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| CN 200710127683 Pending CN101077300A (en) | 2007-06-25 | 2007-06-25 | Monitoring method and device for blood pressure |
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| CN102143704A (en) * | 2008-09-02 | 2011-08-03 | 欧姆龙健康医疗事业株式会社 | Blood pressure measurement apparatus |
| CN102342829A (en) * | 2010-07-31 | 2012-02-08 | 牛锋 | Blood-pressure measuring instrument and measuring method |
| CN102596016A (en) * | 2009-11-04 | 2012-07-18 | 欧姆龙健康医疗事业株式会社 | Electronic sphygmomanometer |
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| CN102106725B (en) * | 2011-03-02 | 2013-03-27 | 哈尔滨工业大学 | Traditional Chinese medical pulse condition sensor merging photoelectricity and pressure |
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