CN1273079C - Cardiovascular function detecting device and method with blood pressure measurement - Google Patents
Cardiovascular function detecting device and method with blood pressure measurement Download PDFInfo
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- CN1273079C CN1273079C CN 200410014353 CN200410014353A CN1273079C CN 1273079 C CN1273079 C CN 1273079C CN 200410014353 CN200410014353 CN 200410014353 CN 200410014353 A CN200410014353 A CN 200410014353A CN 1273079 C CN1273079 C CN 1273079C
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Abstract
The present invention relates to a device and a method for detecting cardiovascular functions and measuring blood pressure. The device comprises a radial artery pressure sleeve device and a signal monitoring box, wherein the signal monitoring box is composed of a signal measurement part for angiocarpy and blood pressure and a central processing module part for angiocarpy and blood pressure; the signal measurement part for angiocarpy and blood pressure is divided into a cardiovascular signal measurement part and a blood pressure measuring part; the cardiovascular signal measurement part comprises a pulse sensor, an automatic trans mission regulator, a USB power supply interface circuit, etc.; the blood pressure measuring part comprises an air pump, an air release valve, a pressure sensor, a display, etc. The pulse sensor and the pressure sensor are combined organically to complete the measurement of pulse and blood pressure, and the detection can be carried out for radial artery and can further for brachial artery. The device and the method can simultaneously measure blood pressure and the pulse signals required for detecting cardiovascular functions in one-time measuring process, and thereby, the detection of the functions of hearts, blood vessels, microcirculation, etc. is realized quickly, accurately and full automatically.
Description
Technical field the present invention relates to the instrument and meter of medical electronics industry, particularly a kind of cardiovascular function checkout gear and manufacture method with blood pressure measurement.
The improvement day by day of Background Art As people ' living standard, cardiovascular system diseases strengthens day by day to human life and health hazard degree in the world, thereby make cardiovascular health health care instrument be subjected to the extensive attention of medical institutions and family, show great demand.At present, by the device of pulse transducer human body cardiovascular function, in measuring process, need to import known blood pressure parameter both at home and abroad, or the scene obtains after adding a blood pressure measurement in addition.
The method and apparatus of measuring blood pressure is existing multiple at present as CN1320411A " no wound is measured the method and apparatus of blood pressure ", CN2532810Y " blood pressure measuring device ", CN2523357Y " intelligent body temperature pulse blood pressure measurement monitor " or the like.The today of accelerate day by day in people life, work rhythm, the time is valuable all the more, scientific and technical personnel are seeking a kind of convenience, simple and direct measuring method and device.The utility model patent CN2565392Y of Taoyuan County, Taiwan Province in 2002 Zhong Li industrial occupancy Yangqing Electronic Co., Ltd " the electronic blood pressure measuring equipment that can be used for the attached USB transfer function of computer for analysis " is exactly can not directly import the inconvenience of computer for analysis at its measurement of present electric sphygmomanometer, and is improved innovation.This patent comprises: an electronic blood pressure measuring equipment, feature are that the wireless transmission interface mould that an EEPROM, a USB interfare device, are used for the USB cable line of wire transmission or are used for wireless transmission is formed, and cooperate the computer of an outside to use together.Wherein can select wired or wireless transmission means by the USB interfare device to obtain the data that is measured by the electronic blood pressure measuring equipment, measured heart beating, the blood pressure values of record that can be complete, analysis, statistics, be depicted as curve, and can select to export to the interpretation of form for the monitoring personnel, reach long-term auto-measuring, monitoring, tracing.This Patent equipment is than import known blood pressure parameter separately in measuring process, or the computer for analysis scene goes a step further earlier in operation by device getparms after adding blood pressure measurement in addition, but this device is mainly used in human blood-pressure and measures, can not carry out the human body cardiovascular function simultaneously and detect, so detection range is narrow partially.
Summary of the invention the purpose of this invention is to provide a kind of cardiovascular function checkout gear and manufacture method with blood pressure measurement, can measure blood pressure and the required pulse signal of human body cardiovascular function simultaneously in the one-shot measurement process, thereby the intellectuality that fast, accurately, has automatically realized functions such as heart, blood vessel, blood, microcirculation detects.
The device of the human body cardiovascular function of this kind band blood pressure measurement comprises radial artery special pressure oversleeve and signal monitoring box; the detecting instrument that adopts the present invention to make can be medical institutions and average family and provides the daily detection of person in middle and old age user's cardiovascular function, to the continuous care of the state of an illness and curative effect of medication is carried out self assessment, thereby the early prediction of healthy protect and pathological changes is of great importance.
Purpose of the present invention is achieved by following technical proposals:
A kind of cardiovascular function checkout gear with blood pressure measurement comprises radial artery pressure oversleeve device and signal monitoring box, it is characterized in that: described radial artery pressure oversleeve device is made up of inflation cuff, oversleeve plate and pulse transducer, the inflation cuff contains to be contained in the bandage by the airtight air bag that can fill, exit, airtight air bag and is connected with the pressure rubber tubing, oversleeve device medial surface has a fixedly position of pulse transducer, and the closure in the bandage outside is fixed on measured's the wrist inflation cuff easily;
The oversleeve plate contains a circular hole passage, is inserted with the rubber tubing that the sensor cable that links to each other with the signal monitoring box links to each other with the sphygomanometer gas circuit in the circular hole passage;
Pulse transducer is installed on the pulse transducer fixed position of oversleeve device medial surface, the top that the pulse information sensitive surface of pick off is positioned at pulse transducer parallels with medial surface, can be aligned to the strength of just in time being close to measured's radial artery pulse to the sensor sensing face that places radial artery oversleeve device medial surface easily;
Described signal monitoring box partly is made up of cardiovascular and blood pressure signal measure portion and cardiovascular and blood pressure core processing module;
By making by touching inflation button connecting circuit in the control panel of signal monitoring box surface that airtight gasbag pressure increases continuously in the inflation cuff, can make by touching venting button connecting circuit that airtight gasbag pressure reduces continuously in the pneumatic sleeve, force value can be controlled in arbitrfary point in the range, and shows in real time by the liquid crystal display of signal monitoring box.
Described pulse transducer can be the organic assembling of pressure transducer, pulse transducer, finishes the measurement of blood pressure and pulse with pulse transducer, except radial artery, also extends to the detection of brachial artery.
A kind of manufacture method of the cardiovascular function checkout gear with blood pressure measurement is characterized in that:
Described signal monitoring box by cardiovascular and blood pressure signal measure portion and and cardiovascular and blood pressure core processing module partly form, its central vessel and blood pressure signal measure portion are divided into cardiovascular signal measurement and blood pressure measurement two parts again, cardiovascular and blood pressure core processing module part both can be realized by an integrated core processing module of special use, also can be connected through communication by two core processing module of independent process cardiovascular signal and blood pressure signal and realize; Cardiovascular signal measurement part by pulse transducer, amplifier, automatic gain regulate, the USB power interface circuit forms, cardiovascular blood pressure core processing module partly is made up of A/D and single chip circuit and automatic blood pressure measurement module;
I is by the P2 interface for pulse transducer signal processing link, the U2 amplifier, resistance R 1, R2, R3, R9, diode D4 forms, 1 foot of P2 interface links to each other with D4,2 foot ground connection, 4,3 feet by R1 and R2 resistance respectively with 2 of U2 amplifier, 3 feet link to each other, 2 feet of U2 amplifier link to each other with 6 feet by R3 simultaneously, 3 feet link to each other with ground by R9,6 feet of U2 amplifier also link to each other with C9 electric capacity among the signal condition link II, the pulse signal VI+ that wherein from pulse transducer, obtains, VI-exports signal condition link II to after U2 amplifies, the U2 amplification is adjusted by the R3 between 2 feet that are connected in parallel on U2 and 6 feet;
Signal condition link II is by the U3 amplifier, capacitor C 9, C12, C15 and resistance R 4, R5, R6, R7, R8 forms, 3 feet of U3 amplifier are connected to C9 and R8 one end, 6 feet link to each other with 7 feet with C15 by R4 in parallel, and link to each other with-5V power supply by resistance R 5,1 foot links to each other with 6 feet by resistance R 6, link to each other with 2 feet with C12 by R7 in parallel simultaneously and link to each other with 7 ends of digital regulation resistance U4 among the automatic gain adjusting III, wherein the signal of 9 pairs of front ends of capacitor C plays every straight effect, 2 feet of amplifier U3 are connected to 7 feet that automatic gain is regulated digital regulation resistance U4 among the III, can adjust signal amplification factor, described U3 amplifier comprises U3A amplifier and U3B adder, wherein 6 feet of U3B adder connect resistance R 5, resistance R 5 is connected to-5V voltage on, can adjust U3 amplifier output voltage benchmark, 7 feet of U3B adder are connected to the pulse signal of output on 2 feet of the single-chip microcomputer U1 of A/D and single chip circuit V;
Automatic gain is regulated III and is made up of digital regulation resistance U4 and resistance R 14 among the automatic gain adjusting III, 3,4,5 feet that automatic gain is regulated digital regulation resistance U4 among the III are connected with 22,23,24 feet of the single-chip microcomputer U1 of A/D and single chip circuit V, and 2 feet of the U3 amplifier among 7 feet by digital regulation resistance U4 among the automatic gain adjusting III and the signal condition link II are connected; Automatic gain is regulated among the III digital regulation resistance U4 by changing resistance with being connected of single-chip microcomputer U1, thereby the amplification of U3A amplifier is changed, thereby the automatic gain of realizing signal is regulated;
USB power interface circuit IV is made up of P1 interface and capacitor C 2, resistance R 13, wherein the Vdd end links to each other with 20 feet of U1 among A/D and the single chip circuit V in the P1 interface, the GND ground connection of P1 interface, the D+ of P1 interface, D-end links to each other with 16,15 feet of U1 respectively, the D-of P1 interface end links to each other with the end of R13 simultaneously, the other end of R13 links to each other with 14 feet of C2 and U1, and USB power interface circuit IV links to each other with the computer USB socket by the P1 interface, realizes the both-way communication with computer data;
A/D and single chip circuit V are made up of single-chip microcomputer U1 and A mouth thereof, B mouth, clock oscillation circuit X1, capacitor C 6, C7,22 feet of single-chip microcomputer U1 and automatic gain regulate that 3 foot CLK clock ends among the digital regulation resistance U4 link to each other among the III, 23 feet of single-chip microcomputer U1 link to each other with 4 foot SDI data terminals among the digital regulation resistance U6,24 feet of single-chip microcomputer U1 are held with the 3 foot CS sheets choosing among the digital regulation resistance U6 and are linked to each other, change digital regulation resistance U4 impedance among the automatic gain adjusting III by exporting difference, and then realize adjustment the U3A amplifier magnification ratio; 15 feet of single-chip microcomputer U1 and 16 feet are connected respectively to D-and the D+ foot of the P1 in the USB communication interface with the digital signal of output, realize data double-way communication with computer by the P1 interface;
7 feet of amplifier U3 among 2 feet of single-chip microcomputer U1 and the signal condition link II join to obtain the pulse transducer information after the processing; 4 feet of single-chip microcomputer U1,6 feet link to each other by 5,6 feet among the IC1 among 3,2 feet in the P3 interface and the automatic blood pressure measurement resume module link VIII respectively, are used to receive blood-pressure measurement data;
The blood pressure measurement part is made up of air pump, vent valve, automatic blood pressure measurement module, pressure transducer and liquid crystal display, battery, by making by touching inflation button in the control panel of signal monitoring box surface that the airtight gasbag pressure of oversleeve increases continuously in the inflation cuff, reduce continuously by touching the airtight gasbag pressure of venting button oversleeve, force value can be controlled in arbitrfary point in the range, and show in real time by liquid crystal display, thereby make pulse transducer obtain suitable precompression, export the radial pulse information of correct reflection human body cardiovascular function;
When the monitoring blood pressure, then realize pump pressure and bleed air operation automatically by the blood pressure measurement programme-control, according to the blood pressure measurement algorithm, declare systolic pressure and contract a pressure, and send into host computer PC by usb circuit 4;
Pressure sensor signal processing links VI by P6 socket, amplifier IC2B, IC2A, IC2C, TR9, TR10, potentiometer VR2, capacitor C 12, resistance R 13, R14, R19, R20, R23, R24,, R27, R28, R29 etc. form, 1,2 feet of P6 socket link to each other with R13, R14,2,3 feet of P6 socket link to each other, 5 feet of P6 socket link to each other with another common port of R13, R14,1,4 feet of P6 socket are convenient simultaneously links to each other with R24, R23,6 feet of IC2B amplifier link to each other with VR2 with R19, and 6,7 feet of IC2B link to each other with 2,5 feet of P6 socket respectively simultaneously;
3,2 feet of IC2A link to each other with R23, R24 respectively, and 2 feet of IC2A link to each other with 1 foot by R29 simultaneously, and 1 foot of IC2A links to each other with R28, and 9 feet of IC2C link to each other with the C foot of TR9, and 10 feet of IC2C link to each other with C12 with R28, and 8 feet of IC2C link to each other with the B foot of TR10;
The B foot of TR9 links to each other with R27, the PTD5 of IC1 among the other end of R27 and the automatic blood pressure measurement resume module link VIII links to each other, the C foot of TR9 links to each other with 9 feet of IC2C, the B foot of TR10 links to each other with R30, the E foot ground connection of TR10, the PTD14 of IC1 among the C foot of TR10 and the automatic blood pressure measurement resume module link VIII links to each other, wherein the circuit of being made up of the IC2B amplifier passes through the Vin-of IC2B amplifier, Vin+ provides power supply to pressure transducer, pressure transducer output signal Vout-, Vout+ passes through R24 respectively, R23 links to each other with the IC2A amplifier, after the IC2A amplifier was handled, output signal was exported in the automatic blood pressure measurement module by pressure transducer output signal Vout after IC2A amplifier and the processing of TR10 amplifier again;
Inflator pump, vent valve signal processing link VII are by P4, P5 interface, audion TR1, TR2, TR3, TR4, resistance R 1, R2, R3, R4, R5, diode D9, D3, capacitor C 1 is formed, and wherein 2 feet of P4 interface link to each other with the C foot of C1 and TR1, and 1 foot of P4 interface links to each other with C1 and ground connection;
2 feet of P5 interface link to each other with 2 feet of D3,1 foot of P5 interface links to each other with 1 foot of D3, the E foot of TR1 links to each other with+6V power supply and R1, B foot and the R1 of TR1, R2 links to each other, the B foot of TR2 links to each other with R3, the C foot of TR2 links to each other with R2, the E foot ground connection of TR2, B foot and the R4 of TR3, R5 links to each other, and the C foot of TR3 links to each other with D9, the E foot of TR3 links to each other with 3.3V, the B foot of TR4 links to each other with R6, and the C foot of TR4 links to each other with R5, and the E foot of TR4 links to each other with ground, wherein PWM links to each other with TR2 with amplifier TR4 with R3 by R6 respectively with the BUMP signal end, through exporting inflator pump and venting valve drive signal by P5 and P4 interface after the circuit processing and amplifying separately;
Automatic blood pressure measurement resume module link VIII is made up of IC1 module, clock oscillation circuit Y1, capacitor C 4, C5, in the IC1 module PTD5 and PTD4 respectively with pressure sensor signal processing links VI in Vout link to each other with the 50HZ signal end, PWM links to each other with the BUMP signal end among PTD1 and PTD6 and the automatic blood pressure measurement resume module link VIII, and 5,6 feet link to each other with 4 feet, 6 feet of single-chip microcomputer U1 among A/D and the single chip circuit V by 3,2 feet in the P3 interface respectively among the IC1;
Wherein PTD5 and PTD4 respectively with pressure sensor signal processing links VI in Vout link to each other with the 50HZ signal end, in order to the gaging pressure sensor output signal, PWM links to each other with the BUMP signal end among PTD1 and PTD6 and automatic blood pressure measurement resume module link VIII and inflator pump, the vent valve signal processing link VII, in order to output inflator pump and venting valve drive signal.
The invention has the beneficial effects as follows:
1, the present invention is by the organic assembling of pressure transducer, pulse transducer, measure blood pressure and the required pulse signal of human body cardiovascular function simultaneously in the one-shot measurement process, thereby the intellectuality that fast, accurately, has automatically realized functions such as heart, blood vessel, blood, microcirculation detects.
2, the present invention also can only finish the function that blood pressure and pulse is measured with a pick off, except can be used for the human body radial artery serves as to detect the position detects blood pressure and cardiovascular function, and also can be used for the brachial artery is to detect the position blood pressure and cardiovascular function are detected.
Description of drawings
The present invention is further illustrated below in conjunction with drawings and Examples.
Fig. 1 is a kind of connection diagram of the human body cardiovascular function device with blood pressure measurement;
A kind of pressure cuff noose composition of the human body cardiovascular function device with blood pressure measurement of Fig. 2-be;
Fig. 3 is a cardiovascular function observation circuit of the present invention;
Fig. 4 is a blood pressure measuring circuit of the present invention;
Fig. 5 is a blood pressure measuring circuit of the present invention.
In Fig. 11, radial artery pressure oversleeve device, 2, the signal detection box, 3, the inflation cuff, 4, the oversleeve plate, 5, pulse transducer, and the computer PC that is connected with the signal detection box.
In Fig. 26, bandage, 7, the fixing position of pulse transducer, 8, cushion block, 9, the pulse information sensitive surface, 10, airtight air bag, 11, closure, 12, the circular hole passage, 13, sensor cable, 14, rubber tubing, 15, painted sign circle.
The specific embodiment
Among Fig. 1, a kind of device of the human body cardiovascular function with blood pressure measurement comprises radial artery special pressure oversleeve device 1 and signal monitoring box 2.Radial artery special pressure oversleeve device 1 is made up of oversleeve plate 4, inflation cuff 3 and pulse transducer 5.
Oversleeve plate 4 contains a circular hole passage 12, is inserted with the rubber tubing 14 that the sensor cable 13 that links to each other with signal monitoring box 2 links to each other with the sphygomanometer gas circuit in the passage; Inflation cuff 3 contains and is contained in by airtight air bag 10, the air bag that can fill, exit that a nylon bandage 6 is interior to be connected with the pressure rubber tubing, the oversleeve medial surface is sewed with one can embed the fixedly pouch of pulse transducer position 7 flexibly, the velcro of closure 11 is posted in the bandage outside, makes inflation cuff 3 be fixed on the wrist easily.
Pulse transducer 5 inserts the pouch of the fixedly pulse transducer position 7 of oversleeve medial surface, pulse transducer 5 back sides are by the rubber cushion blocks 8 and the nylon face good bond that is pasted on the oversleeve medial surface of a viscose glue, the pulse information sensitive surface 9 of pick off is the discoid pouch that exposes the fixation of sensor position 7 of oversleeve inboard, parallel with medial surface, and overlap with painted sign circle 15 positions on being drawn in the oversleeve lateral surface, by sign circle 15 painted on the radial artery oversleeve lateral surface, can be easy to the pick off pulse information sensitive surface 9 that places the oversleeve medial surface is aligned to the strength of just in time being close to the human body radial artery pulse.
Cardiovascular function monitoring part and A/D and single chip circuit are as shown in Figure 3.
Fig. 3 is a cardiovascular circuitry for signal measurement of the present invention.Wherein pulse transducer signal processing link I is by P2 interface, U2 amplifier, resistance R 1, R2, R3, R9, diode D4 forms, 1 foot of P2 interface links to each other with D4,2 foot ground connection, 4,3 feet link to each other with 2,3 feet of U2 amplifier respectively with R2 resistance by R1,2 feet of U2 amplifier link to each other with 6 feet by R3 simultaneously, and 3 feet link to each other with ground by R9.6 feet of U2 amplifier also link to each other with C9 electric capacity among the signal condition link II.Wherein, pulse signal VI+, the VI-that obtains from pulse transducer 5 exports signal condition link II to after U2 amplifies, and the U2 amplification is adjusted by the R3 between 2 feet that are connected in parallel on U2 and 6 feet.
Signal condition link II is made up of U3 amplifier, capacitor C 9, C12, C15 and resistance R 4, R5, R6, R7, R8,3 feet of U3 amplifier are connected to C9 and R8 one end, 6 feet link to each other with 7 feet with C15 by R4 in parallel, and link to each other with-5V power supply by resistance R 5,1 foot links to each other with 6 feet by resistance R 6, links to each other with 2 feet with C12 by R7 in parallel simultaneously and links to each other with 7 ends of U4 among the automatic gain adjusting III.Wherein the signal of 9 pairs of front ends of capacitor C plays every straight effect, 2 feet of amplifier U3 are connected to 7 feet of digital regulation resistance U4, can adjust signal amplification factor, 6 feet of adder U3B connect resistance R 5, resistance R 5 is connected to-5V voltage on, can adjust the amplifier output voltage benchmark, 7 feet of adder U3B are connected to the pulse signal of output on 2 feet of the single-chip microcomputer U1 of A/D and single chip circuit 5.
Automatic gain is regulated III and is made up of digital regulation resistance U4 and resistance R 14,3,4,5 feet of digital regulation resistance U4 connect with 22,23,24 feet of the single-chip microcomputer U1 of A/D and single chip circuit V, and 2 feet of the amplifier U3 among 7 feet by digital regulation resistance U4 and the signal condition link II connect; Digital regulation resistance U4 is by changing resistance with connecting of single-chip microcomputer U1, thereby the amplification of U3A is changed, thereby the automatic gain of realizing signal is regulated.
USB power interface circuit IV is made up of P1 interface and capacitor C 2, resistance, R13, wherein the Vdd end links to each other with 20 feet of U1 among A/D and the single chip circuit V in the P1 interface, GND ground connection, D+, D-end links to each other with 16,15 feet of U1 respectively, the D-end links to each other with the end of R13 simultaneously, and the other end of R13 links to each other with 14 feet of C2 and U1.USB power interface circuit IV links to each other with the computer USB socket by the P1 interface, realizes the data double-way communication with computer.
A/D and single chip circuit V are made up of single-chip microcomputer U1 and A mouth thereof, B mouth, clock oscillation circuit X1, capacitor C 6, C7,3 foot CLK clock ends among the digital regulation resistance U4 of 22 feet of single-chip microcomputer U1 and automatic gain adjusting III link to each other, 23 feet of single-chip microcomputer U1 link to each other with 4 foot SDI data terminals among the digital regulation resistance U6,24 feet of single-chip microcomputer U1 are held with the 3 foot CS sheets choosing among the digital regulation resistance U6 and are linked to each other, change potentiometer U4 impedance by exporting difference, and then realize the adjustment of pair amplifier U3A amplification.15 feet of single-chip microcomputer U1 and 16 feet are connected respectively to D-and the D+ foot of the P1 in the USB communication interface with the digital signal of output, realize data double-way communication with computer by the P1 interface;
7 feet of amplifier U3 among 2 feet of single-chip microcomputer U1 and the signal condition link II join to obtain the pulse transducer information after the processing; 4 feet of single-chip microcomputer U1,6 feet link to each other by 5,6 feet among the IC1 among 3,2 feet in the P3 interface and the automatic blood pressure measurement resume module link VIII respectively, are used to receive blood-pressure measurement data.
Blood pressure measurement part of the present invention and automatic blood pressure measurement modular circuit such as Fig. 4, shown in Figure 5:
In the blood pressure measurement partial circuit pressure sensor signal processing links VI by P6 socket, amplifier IC2B, IC2A, IC2C, TR9, TR10, potentiometer VR2, capacitor C 12, resistance R 13, R14, R19, R20, R23, R24,, R27, R28, R29 etc. form, 1,2 feet of P6 socket link to each other with R13, R14,2,3 feet link to each other, 5 feet link to each other with another common port of R13, R14,1,4 feet of P6 socket are convenient simultaneously links to each other with R24, R23,6 feet of IC2B amplifier link to each other with VR2 with R19, and 6,7 feet link to each other with 2,5 feet of P6 respectively simultaneously.3,2 feet of IC2A link to each other with R23, R24 respectively, and 2 feet link to each other with 1 foot by R29 simultaneously, and 1 foot links to each other with R28, and 9 feet of IC2C link to each other with the C foot of TR9, and 10 feet link to each other with C12 with R28, and 8 feet link to each other with the B foot of TR10.The B foot of TR9 links to each other with R27, and the PTD5 of the IC1 among the other end of R27 and the automatic blood pressure measurement resume module link VIII links to each other.The C foot of TR9 links to each other with 9 feet of IC2C.The B foot of TR10 links to each other with R30, E foot ground connection, and the PTD14 of the IC1 among C foot and the automatic blood pressure measurement resume module link VIII links to each other.Wherein the circuit of being made up of the IC2B amplifier passes through Vin-, Vin+ provides power supply to pressure transducer, pressure transducer output signal Vout-, Vout+ passes through R24 respectively, R23 links to each other with the IC2A amplifier, after the IC2A amplifier was handled, output signal was exported in the automatic blood pressure measurement module by Vout after IC2A amplifier and the processing of TR10 amplifier again.
Inflator pump, vent valve signal processing link VII are by P4, P5 interface, audion TR1, TR2, TR3, TR4, resistance R 1, R2, R3, R4, R5, diode D9, D3, capacitor C 1 is formed, and wherein 2 feet of P4 interface link to each other with the C foot of C1 and TR1, and 1 foot links to each other with C1 and ground connection.2 feet of P5 interface link to each other with 2 feet of D3, and 1 foot links to each other with 1 foot of D3, and the E foot of TR1 links to each other with+6V power supply and R1, and the B foot links to each other with R1, R2.The B foot of TR2 links to each other with R3, and the C foot links to each other with R2, E foot ground connection.The B foot of TR3 links to each other with R4, R5, and the C foot links to each other with D9, and the E foot links to each other with 3.3V.The B foot of TR3 links to each other with R4, R5, and the C foot links to each other with D9, and the E foot links to each other with 3.3V.The B foot of TR4 links to each other with R6, and the C foot links to each other with R5, and the E foot links to each other with ground.Wherein PWM links to each other with TR2 with amplifier TR4 with R3 by R6 respectively with the BUMP signal end, through exporting inflator pump and venting valve drive signal by P5 and P4 interface after the circuit processing and amplifying separately.
Automatic blood pressure measurement resume module link VIII is made up of IC1 module, clock oscillation circuit Y1, capacitor C 4, C5, in the IC1 module PTD5 and PTD4 respectively with pressure sensor signal processing links VI in Vout link to each other with the 50HZ signal end, PWM links to each other with the BUMP signal end among PTD1 and PTD6 and the automatic blood pressure measurement resume module link VIII, and 5,6 feet link to each other with 4 feet, 6 feet of single-chip microcomputer U1 among A/D and the single chip circuit V by 3,2 feet in the P3 interface respectively among the IC1;
Wherein PTD5 and PTD4 respectively with pressure sensor signal processing links VI in Vout link to each other with the 50HZ signal end, in order to the gaging pressure sensor output signal.PWM links to each other with the BUMP signal end among PTD1 and PTD6 and the automatic blood pressure measurement resume module link VIII, in order to output inflator pump and venting valve drive signal.
The concrete running of apparatus of the present invention is:
The USB power interface of this device is connected on the USB socket of computer, opens computer, the specialist system optical disc software that operation AZN-F human body cardiovascular function detects;
Pulse transducer in the radial artery pressure oversleeve of this device is fixed on the human body wrist, the pulse information sensitive surface of pick off is aligned to the strength of just in time being close to the human body radial artery pulse;
The blood pressure measurement part is made up of air pump, vent valve, pressure transducer and liquid crystal display, battery.By the airtight gasbag pressure in the pressure oversleeve being increased continuously by the inflation button connecting circuit that touches in the control panel of signal monitoring box surface, by touching venting button connecting circuit the airtight gasbag pressure in the pressure oversleeve is reduced continuously, force value can be controlled in arbitrfary point in the range, and show in real time by liquid crystal display, thereby make pulse transducer obtain suitable precompression, export the radial pulse information of correct reflection human body cardiovascular function;
When the monitoring blood pressure, then realize pump pressure and bleed air operation automatically by the blood pressure measurement programme-control, according to the blood pressure measurement algorithm, calculate and declare the systolic pressure and a pressure that contracts, will test good pressure value again and upload computer PC by usb circuit;
The cardiovascular function measure portion is by being made up of pulse transducer, amplifier, Gain Automatic adjusting, USB power interface circuit, and the cardiovascular circuitry for signal measurement is by the power supply of computer USB power supply, and blood pressure measuring circuit is by battery-powered;
Cardiovascular blood pressure signal measure portion partly is made up of cardiovascular function monitoring part and blood pressure measurement, and cardiovascular blood pressure core processing module partly is made up of A/D and single chip circuit and automatic blood pressure measurement module;
Can be clear that the radial pulse waveform of continuous and complete reflection human body cardiovascular function from the interface of computer expert system analysis software, as long as clicking keyboard with mouse confirms, computer is just stored pulse wave information, and comes out with blood pressure test instruction transmission and by printer prints;
Can be clear that the various parameters and the information cue of human body cardiovascular function from the interface of computer expert system analysis software.Therefore, measure blood pressure and the required pulse signal of human body cardiovascular function simultaneously in the one-shot measurement process, thereby the intellectuality that fast, accurately, has automatically realized functions such as heart, blood vessel, blood, microcirculation detects by pulse transducer.
Claims (3)
1, a kind of cardiovascular function checkout gear with blood pressure measurement comprises radial artery pressure oversleeve device (1) and signal monitoring box (2), it is characterized in that:
Described radial artery pressure oversleeve device (1) is made up of inflation cuff (3), oversleeve plate (4) and pulse transducer (5), inflation cuff (3) contains and is contained in by the airtight air bag (10) that can fill, exit, airtight air bag (10) that a bandage (6) is interior to be connected with pressure rubber tubing (14), oversleeve device (1) medial surface has one fixedly the position of pulse transducer (7), and the closure (11) in bandage (6) outside is fixed on measured's the wrist inflation cuff (3) easily;
Oversleeve plate (4) contains a circular hole passage (12), is inserted with the rubber tubing (14) that the sensor cable (13) that links to each other with signal monitoring box (2) links to each other with the sphygomanometer gas circuit in the circular hole passage (12);
Pulse transducer (5) is installed on the pulse transducer fixed position (7) of oversleeve device (1) medial surface, the top that the pulse information sensitive surface (9) of pick off is positioned at pulse transducer (5) parallels with medial surface, can be aligned to the strength of just in time being close to measured's radial artery pulse to the sensor sensing face (9) that places radial artery oversleeve device (1) medial surface easily;
Described signal monitoring box (2) partly is made up of cardiovascular and blood pressure signal measure portion and cardiovascular and blood pressure core processing module;
By making by touching inflation button connecting circuit in the surperficial control panel of signal monitoring box (2) that airtight air bag (10) pressure increases continuously in the inflation cuff (3), can make by touching venting button connecting circuit that airtight air bag (10) pressure reduces continuously in the pneumatic sleeve (3), force value can be controlled in arbitrfary point in the range, and shows in real time by the liquid crystal display of signal monitoring box (2).
2, a kind of cardiovascular function checkout gear according to claim 1 with blood pressure measurement, wherein said pulse transducer (5) can be the organic assembling of pressure transducer, pulse transducer, finish the measurement of blood pressure and pulse with pulse transducer (5), except radial artery, also extend to the detection of brachial artery.
3, the manufacture method of a kind of cardiovascular function checkout gear with blood pressure measurement according to claim 1 is characterized in that:
Described signal monitoring box (2) by cardiovascular and blood pressure signal measure portion and and cardiovascular and blood pressure core processing module partly form, its central vessel and blood pressure signal measure portion are divided into cardiovascular signal measurement and blood pressure measurement two parts again, cardiovascular and blood pressure core processing module part both can be realized by an integrated core processing module of special use, also can be connected through communication by two core processing module of independent process cardiovascular signal and blood pressure signal and realize; Cardiovascular signal measurement part by pulse transducer, amplifier, automatic gain regulate, the USB power interface circuit forms, cardiovascular blood pressure core processing module partly is made up of A/D and single chip circuit and automatic blood pressure measurement module;
I is by the P2 interface for pulse transducer signal processing link, the U2 amplifier, resistance R 1, R2, R3, R9, diode D4 forms, 1 foot of P2 interface links to each other with D4,2 foot ground connection, 4,3 feet by R1 and R2 resistance respectively with 2 of U2 amplifier, 3 feet link to each other, 2 feet of U2 amplifier link to each other with 6 feet by R3 simultaneously, 3 feet link to each other with ground by R9,6 feet of U2 amplifier also link to each other with C9 electric capacity among the signal condition link II, the pulse signal VI+ that wherein from pulse transducer, obtains, VI-exports signal condition link II to after U2 amplifies, the U2 amplification is adjusted by the R3 between 2 feet that are connected in parallel on U2 and 6 feet;
Signal condition link II is by the U3 amplifier, capacitor C 9, C12, C15 and resistance R 4, R5, R6, R7, R8 forms, 3 feet of U3 amplifier are connected to C9 and R8 one end, 6 feet link to each other with 7 feet with C15 by R4 in parallel, and link to each other with-5V power supply by resistance R 5,1 foot links to each other with 6 feet by resistance R 6, link to each other with 2 feet with C12 by R7 in parallel simultaneously and link to each other with 7 ends of digital regulation resistance U4 among the automatic gain adjusting III, wherein the signal of 9 pairs of front ends of capacitor C plays every straight effect, 2 feet of amplifier U3 are connected to 7 feet that automatic gain is regulated digital regulation resistance U4 among the III, can adjust signal amplification factor, described U3 amplifier comprises U3A amplifier and U3B adder, wherein 6 feet of U3B adder connect resistance R 5, resistance R 5 is connected to-5V voltage on, can adjust U3 amplifier output voltage benchmark, 7 feet of U3B adder are connected to the pulse signal of output on 2 feet of the single-chip microcomputer U1 of A/D and single chip circuit V;
Automatic gain is regulated III and is made up of digital regulation resistance U4 and resistance R 14 among the automatic gain adjusting III, 3,4,5 feet that automatic gain is regulated digital regulation resistance U4 among the III are connected with 22,23,24 feet of the single-chip microcomputer U1 of A/D and single chip circuit V, and 2 feet of the U3 amplifier among 7 feet by digital regulation resistance U4 among the automatic gain adjusting III and the signal condition link II are connected; Automatic gain is regulated among the III digital regulation resistance U4 by changing resistance with being connected of single-chip microcomputer U1, thereby the amplification of U3A amplifier is changed, thereby the automatic gain of realizing signal is regulated;
USB power interface circuit IV is made up of P1 interface and capacitor C 2, resistance R 13, wherein the Vdd end links to each other with 20 feet of U1 among A/D and the single chip circuit V in the P1 interface, the GND ground connection of P1 interface, the D+ of P1 interface, D-end links to each other with 16,15 feet of U1 respectively, the D-of P1 interface end links to each other with the end of R13 simultaneously, the other end of R13 links to each other with 14 feet of C2 and U1, and USB power interface circuit IV links to each other with the computer USB socket by the P1 interface, realizes the both-way communication with computer data;
A/D and single chip circuit V are made up of single-chip microcomputer U1 and A mouth thereof, B mouth, clock oscillation circuit X1, capacitor C 6, C7,22 feet of single-chip microcomputer U1 and automatic gain regulate that 3 foot CLK clock ends among the digital regulation resistance U4 link to each other among the III, 23 feet of single-chip microcomputer U1 link to each other with 4 foot SDI data terminals among the digital regulation resistance U6,24 feet of single-chip microcomputer U1 are held with the 3 foot CS sheets choosing among the digital regulation resistance U6 and are linked to each other, change digital regulation resistance U4 impedance among the automatic gain adjusting III by exporting difference, and then realize adjustment the U3A amplifier magnification ratio; 15 feet of single-chip microcomputer U1 and 16 feet are connected respectively to D-and the D+ foot of the P1 in the USB communication interface with the digital signal of output, realize data double-way communication with computer by the P1 interface;
7 feet of amplifier U3 among 2 feet of single-chip microcomputer U1 and the signal condition link II join to obtain the pulse transducer information after the processing; 4 feet of single-chip microcomputer U1,6 feet link to each other by 5,6 feet among the IC1 among 3,2 feet in the P3 interface and the automatic blood pressure measurement resume module link VIII respectively, are used to receive blood-pressure measurement data;
The blood pressure measurement part is by air pump, vent valve, the automatic blood pressure measurement module, pressure transducer and liquid crystal display, battery is formed, by the middle airtight air bag of oversleeve (10) pressure of inflation cuff (3) being increased continuously by the inflation button that touches in the surperficial control panel of signal monitoring box (2), reduce continuously by touching the venting airtight air bag of button oversleeve (10) pressure, force value can be controlled in arbitrfary point in the range, and show in real time by liquid crystal display, thereby make pulse transducer (5) obtain suitable precompression, export the radial pulse information of correct reflection human body cardiovascular function;
When the monitoring blood pressure, then realize pump pressure and bleed air operation automatically by the blood pressure measurement programme-control, according to the blood pressure measurement algorithm, declare systolic pressure and contract a pressure, and send into host computer PC by usb circuit 4;
Pressure sensor signal processing links VI by P6 socket, amplifier IC2B, IC2A, IC2C, TR9, TR10, potentiometer VR2, capacitor C 12, resistance R 13, R14, R19, R20, R23, R24,, R27, R28, R29 etc. form, 1,2 feet of P6 socket link to each other with R13, R14,2,3 feet of P6 socket link to each other, 5 feet of P6 socket link to each other with another common port of R13, R14,1,4 feet of P6 socket are convenient simultaneously links to each other with R24, R23,6 feet of IC2B amplifier link to each other with VR2 with R19, and 6,7 feet of IC2B link to each other with 2,5 feet of P6 socket respectively simultaneously;
3,2 feet of IC2A link to each other with R23, R24 respectively, and 2 feet of IC2A link to each other with 1 foot by R29 simultaneously, and 1 foot of IC2A links to each other with R28, and 9 feet of IC2C link to each other with the C foot of TR9, and 10 feet of IC2C link to each other with C12 with R28, and 8 feet of IC2C link to each other with the B foot of TR10;
The B foot of TR9 links to each other with R27, the PTD5 of IC1 among the other end of R27 and the automatic blood pressure measurement resume module link VIII links to each other, the C foot of TR9 links to each other with 9 feet of IC2C, the B foot of TR10 links to each other with R30, the E foot ground connection of TR10, the PTD14 of IC1 among the C foot of TR10 and the automatic blood pressure measurement resume module link VIII links to each other, wherein the circuit of being made up of the IC2B amplifier passes through the Vin-of IC2B amplifier, Vin+ provides power supply to pressure transducer, pressure transducer output signal Vout-, Vout+ passes through R24 respectively, R23 links to each other with the IC2A amplifier, after the IC2A amplifier was handled, output signal was exported in the automatic blood pressure measurement module by pressure transducer output signal Vout after IC2A amplifier and the processing of TR10 amplifier again;
Inflator pump, vent valve signal processing link VII are by P4, P5 interface, audion TR1, TR2, TR3, TR4, resistance R 1, R2, R3, R4, R5, diode D9, D3, capacitor C 1 is formed, and wherein 2 feet of P4 interface link to each other with the C foot of C1 and TR1, and 1 foot of P4 interface links to each other with C1 and ground connection;
2 feet of P5 interface link to each other with 2 feet of D3,1 foot of P5 interface links to each other with 1 foot of D3, the E foot of TR1 links to each other with+6V power supply and R1, B foot and the R1 of TR1, R2 links to each other, the B foot of TR2 links to each other with R3, the C foot of TR2 links to each other with R2, the E foot ground connection of TR2, B foot and the R4 of TR3, R5 links to each other, and the C foot of TR3 links to each other with D9, the E foot of TR3 links to each other with 3.3V, the B foot of TR4 links to each other with R6, and the C foot of TR4 links to each other with R5, and the E foot of TR4 links to each other with ground, wherein PWM links to each other with TR2 with amplifier TR4 with R3 by R6 respectively with the BUMP signal end, through exporting inflator pump and venting valve drive signal by P5 and P4 interface after the circuit processing and amplifying separately;
Automatic blood pressure measurement resume module link VIII is made up of IC1 module, clock oscillation circuit Y1, capacitor C 4, C5, in the IC1 module PTD5 and PTD4 respectively with pressure sensor signal processing links VI in Vout link to each other with the 50HZ signal end, PWM links to each other with the BUMP signal end among PTD1 and PTD6 and the automatic blood pressure measurement resume module link VIII, and 5,6 feet link to each other with 4 feet, 6 feet of single-chip microcomputer U1 among A/D and the single chip circuit V by 3,2 feet in the P3 interface respectively among the IC1;
Wherein PTD5 and PTD4 respectively with pressure sensor signal processing links VI in Vout link to each other with the 50HZ signal end, in order to the gaging pressure sensor output signal, PWM links to each other with the BUMP signal end among PTD1 and PTD6 and automatic blood pressure measurement resume module link VIII and inflator pump, the vent valve signal processing link VII, in order to output inflator pump and venting valve drive signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200410014353 CN1273079C (en) | 2004-03-16 | 2004-03-16 | Cardiovascular function detecting device and method with blood pressure measurement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200410014353 CN1273079C (en) | 2004-03-16 | 2004-03-16 | Cardiovascular function detecting device and method with blood pressure measurement |
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| Publication Number | Publication Date |
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| CN1561905A CN1561905A (en) | 2005-01-12 |
| CN1273079C true CN1273079C (en) | 2006-09-06 |
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| CN 200410014353 Expired - Lifetime CN1273079C (en) | 2004-03-16 | 2004-03-16 | Cardiovascular function detecting device and method with blood pressure measurement |
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Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4702216B2 (en) * | 2006-08-03 | 2011-06-15 | オムロンヘルスケア株式会社 | Electronic blood pressure monitor and control method thereof |
| US7390302B2 (en) * | 2006-08-16 | 2008-06-24 | The General Electric Company | Method and system of determining NIBP target inflation pressure using an SpO2 plethysmograph signal |
| JP5151801B2 (en) * | 2008-08-22 | 2013-02-27 | オムロンヘルスケア株式会社 | Cuff for blood pressure information measuring device and blood pressure information measuring device provided with the same |
| CN102631193A (en) * | 2011-02-14 | 2012-08-15 | 周常安 | Cardiovascular monitoring device |
| CN102488499A (en) * | 2011-10-28 | 2012-06-13 | 中国人民解放军第四军医大学 | Pulse wave-based cardiovascular elasticity testing and arteriosclerosis early warning system |
| CN103054562B (en) * | 2012-12-25 | 2014-06-11 | 中国科学院合肥物质科学研究院 | Cardiovascular function detection method based on multi-channel pulse wave form analysis and device thereof |
| CN104188688A (en) * | 2014-09-23 | 2014-12-10 | 杭州远想医疗设备有限公司 | Peripheral vascular comprehensive tester |
| CN107049291B (en) * | 2017-04-21 | 2020-08-28 | 山东大学齐鲁医院(青岛) | Cardiovascular blood pressure state real-time monitoring equipment |
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Owner name: BEIJING JINGJING MEDICAL EQUIPMENT CO., LTD; TIAN Free format text: FORMER OWNER: ANHUI ZHONGKE INTELLIGENT HIGH-TECH CO., LTD.; TIANJIN CITY FIRST STONE OPTICAL TECHNOLOGY CO., LTD. Effective date: 20071228 |
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Effective date of registration: 20071228 Address after: 11, Wanyuan street, Beijing economic and Technological Development Zone, zip code: 100176 Co-patentee after: Tianjin Sunshine Optics Technolies Co.,Ltd. Patentee after: BEIJING JINGJING MEDICAL EQUIPMENT CO.,LTD. Address before: Anhui science and Technology Development Zone, No. 669 Changjiang West Road, Hefei, zip code: 230088 Co-patentee before: Tianjin Sunshine Optics Technolies Co.,Ltd. Patentee before: ANHUI ZHONGKE INTELLIGENT HI-TECH Co.,Ltd. |
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Effective date of registration: 20210220 Address after: 100176 No. 11 Wanyuan street, Beijing economic and Technological Development Zone, Beijing Patentee after: BEIJING JINGJING MEDICAL EQUIPMENT CO.,LTD. Patentee after: Beijing Zhuoyang Investment Co.,Ltd. Address before: 100176 No.11 Wanyuan street, Beijing Economic and Technological Development Zone Patentee before: BEIJING JINGJING MEDICAL EQUIPMENT Co.,Ltd. Patentee before: Tianjin Sunshine Optics Technolies Co.,Ltd. |
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