CN102551693A - Blood pressure measuring device and blood pressure recognizing device - Google Patents
Blood pressure measuring device and blood pressure recognizing device Download PDFInfo
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- CN102551693A CN102551693A CN2011104323126A CN201110432312A CN102551693A CN 102551693 A CN102551693 A CN 102551693A CN 2011104323126 A CN2011104323126 A CN 2011104323126A CN 201110432312 A CN201110432312 A CN 201110432312A CN 102551693 A CN102551693 A CN 102551693A
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Abstract
The invention relates to a blood pressure measuring device and a blood pressure recognizing device. The blood pressure measuring device comprises a sensor device, a pulse characteristic data extraction unit, a pressure data extraction unit, a storage unit and a blood pressure determination unit, wherein measured blood pressure data is not influenced by shrinkage and expansion of a living body. The blood pressure recognizing device comprises a blood pressure measuring device, a reference data storage unit, a comparing unit and a display device, wherein the display device is used for displaying output results which are compared by the comparing unit; and data representing the blood pressure is not displayed on the display device, or comparison results and the data representing the blood pressure are not displayed at the same time; the blood recognizing device is particularly applicable to non-medical persons and old people, and has the advantage of promoting patients to see a doctor. The blood pressure measuring device and the blood pressure recognizing device are particularly suitable for monitoring blood pressure continuously and dynamically.
Description
Affiliated technical field
The present invention relates to blood pressure measurement apparatus and further expand the blood pressure recognition device that obtains according to blood pressure measurement apparatus; Comprise a kind of pulse transducer that is used for blood pressure measurement apparatus and blood pressure recognition device; Belong to medical instruments field, health product field, sensor technical field; But, be not limited only to this.
Background technology
At present; Knownly obtain information and confirm that dynamically or continuously the device of blood pressure comprises: notification number CN1257699C at live body tremulous pulse skin surface through sensor device; Title " method and apparatus of monitoring blood pressure " and notification number: CN101288587C, the Chinese patent of title " watch strap human blood pressure non-invasive continuous detection device "; Its technical characterictic is to confirm pressure value through the relation function of setting up blood pressure and pulse pressure; Its weak point is: the complex operations step of blood pressure and pulse pressure relation need be at first set up in existence according to the individual different needs of tester; In addition, it exists user's limbs to expand, shrink the defective of the measurement error increase that the blood pressure that caused and pulse pressure relationship change cause with factors such as body temperature, weather, motions in actual continuous blood pressure monitoring; Secondly, also exist blood pressure to show that character is little, be unfavorable for that the old people who has defective vision uses, the guardian outside the interests tester does not observe at any time; Also have; Its existence is inappropriate for the defective that the layman uses; Its reason is: for ordinary people, old people, generally just hope to know whether blood pressure is normal for the detection of blood pressure, and the numerical value of blood pressure can not be made explanation and displaying on the complete meaning concerning them; Some user in addition in the continuous blood pressure monitoring process variation to pressure value do not understand; And even the generation psychological burden, even more serious a kind of situation also can cause user's medication without authorization, delays the situation generation that hospital correctly diagnoses.
Summary of the invention
The objective of the invention is to: the above-mentioned deficiency that overcomes prior art; Make continuously or ambulatory blood pressure measure more accurate; And; The old people who is suitable for having defective vision uses, and the guardian who helps outside the tester observes blood pressure at any time, and the personage who helps outside the non-medical professionalism carries out the identification of blood pressure.
The object of the invention is realized through following technical proposals:
1, sensor device is used for contacting with the skin of living body surface, and obtains pulse signal or blood flow signal and pressure signal, or pulse pressure Reeb signal; The pulse characteristics data extracting unit is used for from said pulse signal or blood flow signal, or from the signal of pulse pressure Reeb, extracts the characteristic based on pulse information or blood flow information; The pressure data extraction unit is used for from said pressure signal, or from the signal of pulse pressure Reeb, extracts pressure data; Wherein, Further comprise: memory element; When this cell stores one or more pressure data, a plurality of different values based on the characteristic of pulse information or blood flow information and respectively with each based on the corresponding predetermined blood pressure data of the characteristic of pulse information or blood flow information; Blood pressure is confirmed the unit, and this blood pressure confirms that the unit is used for the mating based on the characteristic of pulse information or blood flow information and the data of memory element of pressure data that is extracted and extraction will be mated pairing predetermined blood pressure data and confirm as blood pressure data.
Wherein, further comprise: adjustment unit, data input cell; Said adjustment unit is used to receive the data of data input cell input; And the data through data input cell input confirm that to the data in the memory element or blood pressure the data of unit output adjust, thereby make blood pressure data and the actual blood pressure determined approaching.
2, a kind of blood pressure measurement apparatus and blood pressure recognition device comprise: sensor device, and be used for contacting, and obtain pulse signal or blood flow signal and pressure signal with the skin of living body surface, or pulse pressure Reeb signal; The pulse characteristics data extracting unit is used for from said pulse signal or blood flow signal, or from the signal of pulse pressure Reeb, extracts the characteristic based on pulse information or blood flow information; The pressure data extraction unit is used for from said pressure signal, or from the signal of pulse pressure Reeb, extracts pressure data; Wherein, Further comprise: memory element; This cell stores one or more based on the characteristic of pulse information or blood flow information with based on pressure data and the functional expression of calculating blood pressure; Blood pressure is confirmed the unit, and this blood pressure is confirmed the unit with the functional expression based on the characteristic of pulse information or blood flow information and pressure data input calculating blood pressure that is extracted, and calculates blood pressure data.
And, further comprise: adjustment unit, data input cell; Said adjustment unit is used to receive the data of data input cell input; And the data through data input cell input confirm that to the functional expression of calculating blood pressure in the memory element or blood pressure the data of unit output adjust, thereby make blood pressure data and the actual blood pressure determined approaching.
3, a kind of blood pressure measurement apparatus and blood pressure recognition device comprise: sensor device, and be used for contacting, and obtain pulse signal or blood flow signal and pressure signal with the skin of living body surface, or pulse pressure Reeb signal; The blood pressure determination module is used for through explaining said pulse signal or blood flow signal and pressure signal, or pulse pressure Reeb signal and determine the data of representing blood pressure; Belt-typing device is used to bind sensor device at least, and is used to be bundled in user's limbs; Wherein, but described band comprises the elastomeric element of one section elastic telescopic at least, or said band is processed by elastomeric material.
4, a kind of blood pressure measurement apparatus and blood pressure recognition device comprise: sensor device, and be used for contacting, and obtain pulse signal or blood flow signal and pressure signal with the skin of living body surface, or pulse pressure Reeb signal; The blood pressure determination module is used for through explaining said pulse signal or blood flow signal and pressure signal, or pulse pressure Reeb signal and determine the data of representing blood pressure; Belt-typing device is used to bind sensor device at least, and is used to be bundled in user's limbs; Wherein, also be provided with display device outside the said Belt-typing device; Said Belt-typing device is provided with wireless data transfer module; Display device outside the said Belt-typing device is provided with wireless data transfer module; Carry out transfer of data through wireless data transfer module between the display device outside said Belt-typing device and the said Belt-typing device.
And further comprise: also be provided with wireless communication apparatus in the display device outside the said Belt-typing device, this wireless communication apparatus is used for the information of said representative blood pressure or transfer of data to the predetermined network platform, and receives the information that the network platform is imported into.
And, further comprise: also be provided with sprung parts or support component in the said display device, be used for display device is suspended on aerial object, perhaps, be supported on the planar object.
5, a kind of blood pressure measurement apparatus and blood pressure recognition device comprise: sensor device, and be used for contacting, and obtain pulse signal or blood flow signal and pressure signal with the skin of living body surface, or pulse pressure Reeb signal; The blood pressure determination module is used for through explaining said pulse signal or blood flow signal and pressure signal, or pulse pressure Reeb signal and determine the data of representing blood pressure; Belt-typing device is used to bind sensor device at least, and is used to be bundled in user's limbs; Wherein, further comprise: said Belt-typing device is provided with shaking sensor or acceleration transducer; The signal that said shaking sensor or acceleration transducer produce is used for the assesses user moving situation.
6, a kind of blood pressure recognition device comprises: sensor device, and be used for contacting, and obtain pulse signal with the skin of living body surface, or pulse signal or blood flow signal and pressure signal, or pulse pressure Reeb signal; The blood pressure determination module is used for through explaining said pulse signal, or pulse signal or blood flow signal and pressure signal, or pulse pressure Reeb signal and determine the data of representing blood pressure; Wherein, further comprise: the reference data storage unit is used for reference data stored; Comparing unit is used for the data of representing blood pressure and reference data are carried out size relatively, and the big or small result after the output relatively; Display device be used to show the comparative result of comparing unit output, and the data of said representative blood pressure does not show in display device that perhaps, the data of said comparative result and said representative blood pressure do not show simultaneously on a panel.
7, a kind of radial pulse checkout gear comprises: electret transducer or sonic transducer or reflective photoelectric sensor, wherein, the detection port of said radial pulse checkout gear be shaped as flat mouthful shape.
8, also further comprise on the display screen of the display device of blood pressure measurement apparatus of the present invention and blood pressure recognition device: prompting icon or symbol or character are used to show whether pick off is operated under the effective state.
The invention has the beneficial effects as follows:
(1), described blood pressure measurement apparatus has pressure value and measures accurately, wears, easy to use, be particularly suitable for continuously or ambulatory blood pressure monitoring;
(2), the described blood pressure recognition device personage, old people that are particularly suitable for non-medical professionalism use, and has the advantage that promotes that the patient seeks medical advice;
(3) described radial pulse pick off is that blood pressure measurement apparatus and blood pressure recognition device provide a kind of low cost, highly sensitive radial pulse measuring transducer.
Description of drawings
Fig. 1 is the sketch map of a kind of radial artery blood pressure measurement apparatus and blood pressure recognition device;
Fig. 2 is the sketch map of a kind of wrist formula blood pressure measurement apparatus and blood pressure recognition device;
Fig. 3 is the expansion sketch map of device shown in Figure 2 when being used as blood pressure measurement apparatus;
Fig. 4 is the expansion sketch map of device shown in Figure 2 when being used as the blood pressure recognition device;
Fig. 5 is a kind of electric functional-block diagram of blood pressure measurement apparatus;
Fig. 6 is a kind of electric functional-block diagram of blood pressure recognition device;
Fig. 7 is a kind of sketch map of memory element;
Fig. 8 is a kind of sketch map of memory element;
Fig. 9 is a kind of sketch map of memory element;
Figure 10 is a kind of sketch map of memory element;
Figure 11 is a kind of circuit theory sketch map;
Figure 12 is a kind of radial pulse pick off sketch map;
Figure 13 is a kind of blood pressure measurement apparatus and blood pressure recognition device system schematic.
The specific embodiment
Below in conjunction with accompanying drawing and embodiment the present invention is further specified.Wherein, identical numbering refers to identical parts.
A kind of radial artery blood pressure measurement apparatus and blood pressure recognition device structural representation that Fig. 1 is according to the present invention to be implemented; Wherein, the 001st, human body wrist cross section, the 002nd, radial artery; The 003rd, housing, enclosure interior is provided with display device, microprocessor/microcontroller and necessary circuit and battery etc., the 004th, button; The 005th, pulse transducer, its pulse transducer comprise that electret pulse transducer, reflective photoelectric sensor, shaking sensor etc. can measure the pick off of pulse information or blood flow information etc., the 006th, pressure transducer; The 007th, band, the 008th, but the elastic telescopic parts, the 009th, setting fastening; Thus, 007,008,009 has constituted elastic straps of the present invention, in addition; 007 can also be made by elastomeric material, and the 010th, the electric connection line of connection pulse transducer, pressure transducer and enclosure interior circuit that band is inner.Be understood that thus; When pulse transducer places the radial artery skin surface; Through fastening band; And make pulse transducer to the pressure of radial artery skin surface when suitable, and pulse transducer be can measure radial pulse the time, can realize then that through explaining pulse signal of the present invention or blood flow signal and pressure signal blood pressure determination of the present invention and blood pressure discern.Wherein, Pulse transducer 005, pressure transducer 006 can also be replaced by the pick off that can measure pulse pressure Reeb signal; Be that pulse transducer 005, pressure transducer 006 can also be replaced by highly sensitive pressure transducer; Through from the signal of pulse pressure Reeb, isolating pulse signal and pressure signal, and explain that described pulse signal and pressure signal then also can realize the identification of blood pressure determination of the present invention and blood pressure.
A kind of wrist formula blood pressure measurement apparatus and blood pressure recognition device structural representation that Fig. 2 is according to the present invention to be implemented; Wherein, the 101st, human body wrist cross section, the 102nd, radial artery; The 103rd, ulnar artery, the 104th, common interosseous artery, the 105th, housing; Enclosure interior is provided with display device, microprocessor/microcontroller, fluid pressure sensor and necessary circuit and battery etc., and the 106th, button is provided with crooked trapezoid elements 110 in the side of housing 105; The 107th, band, the 108th, but the elastic telescopic parts, the 109th, hook; Thus, 107,108,109,110 have constituted elastic straps of the present invention, in addition; 107 can also be made by elastomeric material, 111 be arranged on the band medial surface the centre be filled with the liquid bag of liquid, the liquid in the liquid bag is communicated with housing 105 interior fluid pressure sensor liquid through fluid passage 112.Be understood that thus; When liquid bag 111 places wrist or arm skin surface; Through fastening band, and when making the pressure of 111 pairs of wrists of liquid bag or arm skin surface suitable, when the fluid pressure sensor that is communicated with liquid bag 111 can measure the pulse pressure Reeb signal on the wrist; Through from the signal of pulse pressure Reeb, isolating pulse signal and pressure signal, and explain that described pulse signal and pressure signal then also can realize the identification of blood pressure determination of the present invention and blood pressure.Described hook 109 or band 107 can be arranged to hook or the band that length can be regulated.
Fig. 3 is the expansion sketch map of device shown in Figure 2 when being used as blood pressure measurement apparatus; Wherein, the 112nd, the time showing character, the 113rd, pressure value shows character; The 114th, the pulse value shows character, the 115th, and the prompting symbol is when the pressure of liquid bag 111 adversary's watch faces shows this symbol 115 during in the pressure limit of setting; Simultaneously, blood pressure measurement apparatus can carry out the mensuration of blood pressure, and shows the pressure value of measuring; Otherwise, not display reminding symbol 115 and blood pressure character 113.In like manner, the described device of Fig. 1 also can be as shown in Figure 3 as blood pressure measurement apparatus.
Fig. 4 is the expansion sketch map of device shown in Figure 2 when being used as the blood pressure recognition device; Wherein, the 112nd, the time showing character, the 116th, the diastolic pressure displaying symbol, its symbol is not showing at ordinary times; In symbol 116; 0 corresponding symbol lighting wherein representes that diastolic pressure is normal; Light wherein+1 a corresponding symbol and represent that diastolic pressure is high slightly; Light wherein+2 a corresponding symbol and represent that diastolic pressure is higher, light wherein-1 corresponding symbol and represent that diastolic pressure is low slightly, light wherein-2 corresponding symbol and represent that diastolic pressure is lower; The 117th, the systolic pressure displaying symbol, its symbol is not showing at ordinary times; In symbol 117; 0 corresponding symbol lighting wherein representes that systolic pressure is normal; Light wherein+1 a corresponding symbol and represent that systolic pressure is high slightly; Light wherein+2 a corresponding symbol and represent that systolic pressure is higher, light wherein-1 corresponding symbol and represent that systolic pressure is low slightly, light wherein-2 corresponding symbol and represent that systolic pressure is lower; 116,117 can use the mode of the round dot varying number of lighting two kinds of colors respectively to carry out the demonstration of blood pressure state; But, do not get rid of other display mode.The 114th, the pulse value shows character; The 115th, working sensor condition prompting symbol is when the pressure of liquid bag 111 adversary's watch faces shows this symbol 115 during in the pressure limit of setting, at this moment; The blood pressure recognition device can carry out the identification of blood pressure; And the state of display of blood pressure, otherwise, not display reminding symbol 115 and blood pressure state symbol 116,117.In like manner, the display mode that the described device of Fig. 1 also can be as shown in Figure 4 is as the blood pressure recognition device.Wherein, prompting symbol 115 is not limited to the style among Fig. 3,4.
Fig. 5 is a kind of electric functional-block diagram of blood pressure measurement apparatus; This figure special suggestion be used for basic mode and the flow process that Fig. 1 of the present invention, 2 shown devices measure as pressure value; At first, obtain pulse signal or blood flow signal and pressure signal, perhaps, obtain pulse pressure Reeb signal through sensor device through sensor device; Then; Through the pulse characteristics data extracting unit; From said pulse signal or blood flow signal, or from the signal of pulse pressure Reeb, extract the characteristic that is used for confirming systolic pressure or diastolic pressure, through the pressure data extraction unit based on pulse information or blood flow information; From said pressure signal, or from the signal of pulse pressure Reeb, extract pressure data; Again through memory element 1001, blood pressure confirm unit 1002 according to pressure data that is extracted and extraction be used for confirm that the characteristic based on pulse information or blood flow information of systolic pressure or diastolic pressure confirms blood pressure data, then realize blood pressure determination of the present invention.Wherein, can be further the data of memory element or functional expression or blood pressure be confirmed that the data of unit output adjust, make the blood pressure data of being measured more near the actual blood pressure data through data input cell, adjustment unit.The said data that need adjustment or function or dateout etc. can be through program, formula mode and through display device access and the environment that shows under adjust through button, identical in full.
Do to launch explanation below in conjunction with Fig. 5～10.
Data or the function that Fig. 5,6 said memory element 1001 are stored reflected in Fig. 7～10; Said blood pressure confirms that unit 1002 is used for input and output data or functional expression, calculates etc.
The acquisition methods of said characteristic based on pulse information or blood flow information comprises: as shown in Figure 1; When sensor device was made up of pulse transducer 005 and pressure transducer 006, the characteristic based on pulse information or blood flow information that is used for definite systolic pressure or diastolic pressure was obtained from the signal that pulse transducer 005 provides; As shown in Figure 2; When sensor device is made up of liquid bag and connected liquid-pressure pick-up; The characteristic based on pulse information or blood flow information that is used for definite systolic pressure or diastolic pressure is obtained from the pulse signal that liquid-pressure pick-up provides, and promptly from the pulse pressure Reeb signal that liquid-pressure pick-up provides, obtains.
Said characteristic based on pulse information or blood flow information comprises: the characteristic and the characteristic based on pulse information or blood flow information that is used for confirming diastolic pressure based on pulse information or the blood flow information that are used for confirming systolic pressure.
Said be used for confirming systolic pressure based on pulse information or blood flow information characteristic; Comprise: pulse peak-data, pulse wave rate of climb data, the rise time data of pulse wave from the valley to the peak value; And according to data that they calculated; Perhaps, other data or the functional expression that change along with the up-down variation of systolic pressure, or the like; Said data or functional expression can obtain through methods such as experiment or empirical datas.
The said characteristic that is used for confirming diastolic pressure based on pulse information or blood flow information; Comprise: pulse peak-data, pulse wave decrease speed data, the fall time data of pulse wave from the peak value to the valley; And according to data that they calculated; Perhaps, other data or the functional expression that change along with the up-down variation of diastolic pressure, or the like; Said data or functional expression can be through experiment or empirical data or method acquisitions.
The acquisition methods of said pressure data comprises: as shown in Figure 1, when sensor device is made up of pulse transducer 005 and pressure transducer 006, obtain in the signal that pressure data is provided by pressure transducer 006; As shown in Figure 2; When sensor device is made up of liquid bag and connected liquid-pressure pick-up; Obtain in the signal that pressure data is provided by liquid-pressure pick-up; The easiest method is that the valley data of getting pulse wave are pressure data, still, does not get rid of and takes from the data that other can representative pressure.
With reference to figure 5, Fig. 7; Memory element 1001 shown in Figure 5 is as shown in Figure 7.In the memory element shown in Figure 7 (1); Storing one or more sensor device adversary skin of wrist surface pressing data: during P pressure=50～150mmH; The characteristic 100～185 that is used for confirming systolic pressure through experiment or a plurality of different values of obtaining of empirical equation,----based on pulse information or blood flow information-, 50～135 and be used for confirming the corresponding predetermined systolic pressure data 80～250 of the characteristic based on pulse information or blood flow information of systolic pressure respectively with each; Then when measuring systolic pressure; Confirm that through blood pressure unit 1002 is used for confirming mating based on the characteristic of pulse information or blood flow information and the data of memory element 1001 of systolic pressure with the pressure data that is extracted with extracting; To mate pairing predetermined systolic pressure data and confirm as current systolic pressure data, realize the mensuration of systolic pressure thus.For example: if when sensor device adversary skin of wrist surface pressing is P pressure=50mmH; If; Be used for confirming that the characteristic based on pulse information or blood flow information of systolic pressure is at 103 o'clock; With the predetermined systolic pressure data of its coupling be 86, the predetermined systolic pressure data 86 that then will mate are confirmed as current systolic pressure data; Calculate successively; Under the sensor device adversary skin of wrist surface pressing of different value, when the pulse of different value or flow characteristic data; Match the predetermined systolic pressure data of different value, and confirm as current systolic pressure data, then can realize confirming of systolic pressure according to the invention.Hence one can see that, if sensor device to the pressure of skin surface in the scope of the pressure P pressure=50～150mmH that sets, if; Sensor device changes to the pressure of skin surface; Also can realize the accurate measurement of systolic pressure, thus, device of the present invention can be realized the mensuration of continuous or dynamic systolic pressure; And, do not receive the contraction of live body limbs, the expansible influence.Wherein, Can be further confirm that to the data in the memory element or to blood pressure the add deduct mode of a certain constant of the data of unit output adjusts, make the systolic pressure data of being measured more near actual systolic pressure data through data input cell, adjustment unit.Wherein, described coupling allows within certain range of error, and said P pressure is not limited to the scope of 50～150mmH.
With reference to figure 5, Fig. 8; Memory element 1001 shown in Figure 5 also can be as shown in Figure 8.In the memory element shown in Figure 8 (2); Storing one or more sensor device adversary skin of wrist surface pressing data: during P pressure=50～150mmH; The characteristic 100～190 that is used for confirming diastolic pressure through experiment or a plurality of different values of obtaining of empirical equation,----based on pulse information or blood flow information-, 50～140 and be used for confirming the corresponding predetermined diastolic blood pressure data 30～120 of the characteristic based on pulse information or blood flow information of diastolic pressure respectively with each; Then when measuring diastolic pressure; Confirm that through blood pressure unit 1002 is used for confirming mating based on the characteristic of pulse information or blood flow information and the data of memory element of diastolic pressure with the pressure data that is extracted with extracting; To mate pairing predetermined diastolic blood pressure data and confirm as current diastolic blood pressure data, realize the mensuration of diastolic pressure thus.For example: if when sensor device adversary skin of wrist surface pressing is P pressure=50mmH; If; Be used for confirming that the characteristic based on pulse information or blood flow information of diastolic pressure is at 187 o'clock; With the predetermined diastolic blood pressure data of its coupling be 114, the predetermined diastolic blood pressure data 114 that then will mate is confirmed as current diastolic blood pressure data; Calculate successively; Under the sensor device adversary skin of wrist surface pressing of different value, when the pulse of different value or flow characteristic data; Match the predetermined diastolic blood pressure data of different value, and confirm as current diastolic blood pressure data, then can realize confirming of diastolic pressure according to the invention.Hence one can see that, if sensor device to the pressure of skin surface in the scope of the pressure P pressure=50～150mmH that sets, if; Sensor device changes to the pressure of skin surface; Also can realize the accurate measurement of diastolic pressure, thus, device of the present invention can be realized the mensuration of continuous or dynamic diastolic pressure; And, do not receive the contraction of live body limbs, the expansible influence.Wherein, Can be further confirm that to the data in the memory element or to blood pressure the add deduct mode of a certain constant of the data of unit output adjusts, make the diastolic blood pressure data of being measured more near actual diastolic blood pressure data through data input cell, adjustment unit.Wherein, described coupling allows within certain range of error, and said P pressure is not limited to the scope of 50～150mmH.
With reference to figure 5, Fig. 9; Memory element 1001 shown in Figure 5 also can be as shown in Figure 9.In memory element shown in Figure 9 (3), cell stores one or more through the functional expressions that calculate systolic pressure based on the characteristic of pulse information or blood flow information with based on pressure data of testing or empirical equation obtains: and Pssy=Pm (M * K)+C; In the formula, Pssy representes systolic pressure, and Pm representes pressure data, and M representes to be used for to confirm the characteristic based on pulse information or blood flow information of systolic pressure, like the pulse wave peak value etc.; K representes range coefficient, K=0.46～0.64; C representes constant; Thus; After obtaining to be used for the characteristic and pressure data based on pulse information or blood flow information of definite systolic pressure; Confirm the functional expression that unit 1002 calculates systolic pressure with the characteristic and the pressure data input based on pulse information or blood flow information of being extracted through blood pressure, can calculate the systolic pressure data.COEFFICIENT K, C can set as required.Wherein, Can further adjust the COEFFICIENT K in the memory element, C through data input cell, adjustment unit; Perhaps; (relation of M * K)+C is adjusted, or blood pressure is confirmed that add deduct the automatically mode of a certain constant of the data of unit output adjusts, and makes the systolic pressure data of being measured more near actual systolic pressure data to Pssy=Pm.In the present invention; Calculate the inconsiderate Pssy=Pm (M * K)+C that is limited to of the functional expression of systolic pressure; The functional expression that calculates systolic pressure can be according to the other functional expression of confirming such as experiment or experience; But the functional expression that calculates systolic pressure should be based on characteristic and the pressure data of pulse information or blood flow information and calculate the functional expression of systolic pressure, and the present invention no longer gives an example.In like manner, device of the present invention can be realized the mensuration of continuous or dynamic systolic pressure, and, do not receive the contraction of live body limbs, the expansible influence.
With reference to figure 5, Figure 10; Memory element 1001 shown in Figure 5 also can be shown in figure 10.In the memory element shown in Figure 10 (4), cell stores one or more through the functional expressions that calculate diastolic pressure based on the characteristic of pulse information or blood flow information with based on pressure data of testing or empirical equation obtains: and Pszy=Pm (M * L)+D; In the formula, in the formula, Pszy representes diastolic pressure, and Pm representes pressure data, and M representes to be used for to confirm the characteristic based on pulse information or blood flow information of diastolic pressure, like the pulse wave peak value etc.; L representes range coefficient, L=0.43～0.73; D representes constant; Thus; After obtaining to be used for the characteristic and pressure data based on pulse information or blood flow information of definite diastolic pressure; Confirm the functional expression that unit 1002 calculates diastolic pressure with the characteristic and the pressure data input based on pulse information or blood flow information of being extracted through blood pressure, can calculate diastolic blood pressure data.Coefficient L, D can set as required.Wherein, Can further adjust coefficient L, the D in the memory element through data input cell, adjustment unit; Perhaps; (relation of M * L)+D is adjusted, or blood pressure is confirmed that add deduct the automatically mode of a certain constant of the data of unit output adjusts, and makes the diastolic blood pressure data of being measured more near actual diastolic blood pressure data to Pszy=Pm.In the present invention; The functional expression that calculates diastolic pressure is not limited to Pszy=Pm (M * L)+D; The functional expression that calculates diastolic pressure can be according to the other functional expression of confirming such as experiment or experience; But the functional expression that calculates diastolic pressure should be based on characteristic and the pressure data of pulse information or blood flow information and calculate the functional expression of diastolic pressure, and the present invention no longer gives an example.In like manner, device of the present invention can be realized the mensuration of continuous or dynamic diastolic pressure, and, do not receive the contraction of live body limbs, the expansible influence.
In Fig. 5, Fig. 9, Figure 10 embodiment; Sensor device is suitable for scope to the pressure of arteries skin surface or the tight power of band should be satisfied: with sensor device during to the increase of the pressure of arteries skin surface or the tight power of band, and pulse peak value or be used for confirming that the characteristic based on pulse information or blood flow information of systolic pressure or diastolic pressure reduces thereupon; Otherwise, the functional expression of calculating systolic pressure: Pssy=(M * K)/Pm+C; The functional expression of calculating diastolic pressure: Pszy=(M * L)/Pm+D; And the pulse characteristics data extracting unit can be from said pulse signal or blood flow signal, or from the signal of pulse pressure Reeb, extracts the characteristic based on pulse information or blood flow information; The pressure data extraction unit can be from from said pressure signal, or from the signal of pulse pressure Reeb, extracts pressure data.
Fig. 7,8 or Fig. 9,10 may be incorporated in the memory element functional expression that can also the storage computation mean blood pressure in its memory element etc.
Fig. 6 is a kind of electric functional-block diagram of blood pressure recognition device; This figure special suggestion be used for the groundwork flow process of the present invention's blood pressure recognition device shown in Figure 3; Wherein, blood pressure data confirm with Fig. 5,7,8,9,10 and above-mentioned expansion explain identical.At first, obtain pulse signal or blood flow signal and pressure signal, perhaps, obtain pulse pressure Reeb signal through sensor device through sensor device; Then; Through the pulse characteristics data extracting unit; From said pulse signal or blood flow signal, or from the signal of pulse pressure Reeb, extract the characteristic that is used for confirming systolic pressure or diastolic pressure, through the pressure data extraction unit based on pulse information or blood flow information; From said pressure signal, or from the signal of pulse pressure Reeb, extract pressure data; Again through memory element 1001, blood pressure confirm unit 1002 according to pressure data that is extracted and extraction be used for confirm that the characteristic based on pulse information or blood flow information of systolic pressure or diastolic pressure confirms blood pressure data; Then; Through comparing unit 1003 reference data in the reference data storage unit and blood pressure data are carried out size relatively; And the big or small result after the output relatively, then realize blood pressure identification of the present invention; Wherein, reference data can be data of representing systolic pressure normal, higher, higher, on the low side, lower, represents normal, higher, higher, on the low side, the lower data of diastolic pressure, or the like; The big or small result of output after relatively as: equal, be a bit larger tham, greater than, less than, be slightly smaller than, or the like.Wherein, Can also be further the data of the data of memory element or functional expression or parameter storage unit be adjusted or blood pressure is confirmed that add deduct the automatically mode of a certain constant of the data of unit output adjusts through data input cell, adjustment unit; Make the blood pressure data of being measured more near the actual blood pressure data, make blood pressure identification more accurate.Thus, be to be understood that blood pressure determination module of the present invention comprises: the pulse characteristics data extracting unit, the pressure data extraction unit, memory element and blood pressure are confirmed the unit.Wherein, said blood pressure recognition device can also the display of blood pressure data, and still, the data of said comparative result and said representative blood pressure do not show on same panel simultaneously.
Figure 11 is that the hardware of blood pressure measurement apparatus according to the invention and blood pressure recognition device is formed principle schematic; Can realize the present invention through in microcontroller MSP430F449, adding necessary software.
Figure 12 is used for a kind of radial pulse pick off sketch map of the present invention, wherein, the 2001st, electret microphone or reflective photoelectric sensor; The 2002nd, port is the barrel-shaped parts of flat mouthful of shape; A＞b in the port of barrel-shaped parts 2002, common a=10～20mm, b=6～9mm.During use 2002 ports gently are pressed on the radial artery skin surface along the Artery Vein circulating direction by length direction and can measure pulse wave.
Figure 13 is the sketch map of a kind of blood pressure measurement apparatus and blood pressure recognition device system; This system comprises Belt-typing device 3001; It is used to bind sensor device at least; And be used to be bundled in user's limbs; Also be provided with display device 3002～1007 outside the said Belt-typing device 3001, said Belt-typing device 3001 is provided with wireless data transfer module, and said display device 3002～3007 is provided with wireless data transfer module; 3002～3007 of said Belt-typing device 3001 and said display devices are carried out transfer of data through wireless data transfer module; Also be provided with wireless communication apparatus in the said display device 3002～3007, this wireless communication apparatus is used for the information of said representative blood pressure or data are transferred to predetermined network platform or server through communications framework, and receives the information that the network platform is imported into.Because display device separates with Belt-typing device, and thus, the demonstration character of display device can be accomplished bigger, thus, the guardian outside the suitable gauger checks at any time in the present invention.Wherein, the 3002nd, housing, the 3003rd, communication information viewing area, the 3004th, the pulse viewing area, the 3005th, the pressure value viewing area, the 3007th, measure and whether effectively point out symbol.Wherein, display device can be set on the Belt-typing device 3001 or display device is not set, display device 3002～3007 can also be handheld devices such as mobile phone.
Among the present invention; Also shaking sensor or acceleration transducer can be set on Fig. 1, the 2 described devices; The signal that said pick off or acceleration transducer produce is used for the assesses user moving situation; Whether the mensuration or the identification that further are used to judge blood pressure is effective, or remind the user can maybe can not carry out the mensuration or the identification of blood pressure this moment, or when the user movement amount is big, start relevant control assembly and do not carry out the mensuration or the identification of blood pressure.
Alleged " the blood pressure recognition device " of the present invention is not limited to its title, and the invention that comprises other denomination of invention of technical characterictic under the present invention's " blood pressure recognition device " title all belongs to the present invention.
The above be the present invention specific for example, when not departing from broad aspect of the present invention, obviously possibly carry out modification and the variation that can imagine to the present invention, therefore, interest field of the present invention should not receive the restriction of particular examples and specific embodiment; Of the present inventionly be intended to contain all and similarly revise and variation, the variation of row that drops on spirit and the scope of claims of the present invention all belongs to the present invention.
Claims (10)
1. blood pressure measurement apparatus and blood pressure recognition device comprise:
Sensor device is used for contacting with the skin of living body surface, and obtains pulse signal or blood flow signal and pressure signal, or pulse pressure Reeb signal,
The pulse characteristics data extracting unit is used for from said pulse signal or blood flow signal, or from the signal of pulse pressure Reeb, extracts the characteristic based on pulse information or blood flow information,
The pressure data extraction unit is used for from said pressure signal, or from the signal of pulse pressure Reeb, extracts pressure data,
It is characterized in that, further comprise:
When memory element, this cell stores one or more pressure data, a plurality of different values based on the characteristic of pulse information or blood flow information and respectively with each based on the corresponding predetermined blood pressure data of the characteristic of pulse information or blood flow information,
Blood pressure is confirmed the unit, and this blood pressure confirms that the unit is used for the mating based on the characteristic of pulse information or blood flow information and the data of memory element of pressure data that is extracted and extraction will be mated pairing predetermined blood pressure data and confirm as blood pressure data.
2. blood pressure measurement apparatus according to claim 1 and blood pressure recognition device is characterized in that, comprising:
Adjustment unit, data input cell,
Said adjustment unit is used to receive the data of data input cell input; And the data through data input cell input confirm that to the data in the memory element or blood pressure the data of unit output adjust, thereby make blood pressure data and the actual blood pressure determined approaching.
3. blood pressure measurement apparatus and blood pressure recognition device comprise:
Sensor device is used for contacting with the skin of living body surface, and obtains pulse signal or blood flow signal and pressure signal, or pulse pressure Reeb signal,
The pulse characteristics data extracting unit is used for from said pulse signal or blood flow signal, or from the signal of pulse pressure Reeb, extracts the characteristic based on pulse information or blood flow information,
The pressure data extraction unit is used for from said pressure signal, or from the signal of pulse pressure Reeb, extracts pressure data,
It is characterized in that, further comprise:
Memory element, this cell stores one or more based on the characteristic of pulse information or blood flow information with based on pressure data and the functional expression of calculating blood pressure,
Blood pressure is confirmed the unit, and this blood pressure is confirmed the unit with the functional expression based on the characteristic of pulse information or blood flow information and pressure data input calculating blood pressure that is extracted, and calculates blood pressure data.
4. blood pressure measurement apparatus according to claim 3 and blood pressure recognition device is characterized in that, comprising:
Adjustment unit, data input cell,
Said adjustment unit is used to receive the data of data input cell input; And the data through data input cell input confirm that to the functional expression of calculating blood pressure in the memory element or blood pressure the data of unit output adjust, thereby make blood pressure data and the actual blood pressure determined approaching.
5. blood pressure measurement apparatus and blood pressure recognition device comprise:
Sensor device is used for contacting with the skin of living body surface, and obtains pulse signal or blood flow signal and pressure signal, or pulse pressure Reeb signal,
The blood pressure determination module is used for through explaining said pulse signal or blood flow signal and pressure signal, or pulse pressure Reeb signal and determine the data of representing blood pressure,
Belt-typing device is used to bind sensor device at least, and is used to be bundled in user's limbs,
It is characterized in that:
But described band comprises the elastomeric element of one section elastic telescopic at least, or said band is processed by elastomeric material.
6. blood pressure measurement apparatus and blood pressure recognition device comprise:
Sensor device is used for contacting with the skin of living body surface, and obtains pulse signal or blood flow signal and pressure signal, or pulse pressure Reeb signal,
The blood pressure determination module is used for through explaining said pulse signal or blood flow signal and pressure signal, or pulse pressure Reeb signal and determine the data of representing blood pressure,
Belt-typing device is used to bind sensor device at least, and is used to be bundled in user's limbs,
It is characterized in that, further comprise:
Also be provided with display device outside the said Belt-typing device,
Said Belt-typing device is provided with wireless data transfer module,
Display device outside the said Belt-typing device is provided with wireless data transfer module,
Carry out transfer of data through wireless data transfer module between the display device outside said Belt-typing device and the said Belt-typing device.
7. blood pressure measurement apparatus according to claim 6 and blood pressure recognition device is characterized in that:
Also be provided with wireless communication apparatus in the display device outside the said Belt-typing device, this wireless communication apparatus is used for the information of said representative blood pressure or transfer of data to the predetermined network platform, and receives the information that the network platform is imported into.
8. blood pressure measurement apparatus and blood pressure recognition device comprise:
Sensor device is used for contacting with the skin of living body surface, and obtains pulse signal or blood flow signal and pressure signal, or pulse pressure Reeb signal,
The blood pressure determination module is used for through explaining said pulse signal or blood flow signal and pressure signal, or pulse pressure Reeb signal and determine the data of representing blood pressure,
Belt-typing device is used to bind sensor device at least, and is used to be bundled in user's limbs,
It is characterized in that, further comprise:
Said Belt-typing device is provided with shaking sensor or acceleration transducer,
The signal that said shaking sensor or acceleration transducer produce is used for the assesses user moving situation.
9. blood pressure recognition device comprises:
Sensor device is used for contacting with the skin of living body surface, and obtains pulse signal, or pulse signal or blood flow signal and pressure signal, or pulse pressure Reeb signal,
The blood pressure determination module is used for through explaining said pulse signal, or pulse signal or blood flow signal and pressure signal, or pulse pressure Reeb signal and determine the data of representing blood pressure,
It is characterized in that, further comprise:
The reference data storage unit is used for reference data stored,
Comparing unit is used for the data of representing blood pressure and reference data are carried out size relatively, and the big or small result after the output relatively,
Display device be used to show the comparative result of comparing unit output, and the data of said representative blood pressure does not show in display device that perhaps, the data of said comparative result and said representative blood pressure do not show simultaneously on a panel.
10. radial pulse checkout gear, comprising: electret transducer or sonic transducer or reflective photoelectric sensor is characterized in that: the detection port of said radial pulse checkout gear be shaped as flat mouthful of shape.
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| CN2011104323126A CN102551693A (en) | 2011-12-10 | 2011-12-10 | Blood pressure measuring device and blood pressure recognizing device |
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| CN2011104323126A CN102551693A (en) | 2011-12-10 | 2011-12-10 | Blood pressure measuring device and blood pressure recognizing device |
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| CN103876722A (en) * | 2014-04-04 | 2014-06-25 | 肖慧 | Intelligent wristband |
| CN104000572A (en) * | 2014-05-12 | 2014-08-27 | 辛勤 | Blood pressure measurement method and embedded device for achieving same |
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| CN104968258A (en) * | 2012-10-31 | 2015-10-07 | 利得高集团公司 | Device and method for the continuous non-invasive measurement of blood pressure |
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Application publication date: 20120711 |