CN201641977U - Portable sleeping physiological parameter recording device - Google Patents
Portable sleeping physiological parameter recording device Download PDFInfo
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- CN201641977U CN201641977U CN2010201437978U CN201020143797U CN201641977U CN 201641977 U CN201641977 U CN 201641977U CN 2010201437978 U CN2010201437978 U CN 2010201437978U CN 201020143797 U CN201020143797 U CN 201020143797U CN 201641977 U CN201641977 U CN 201641977U
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Abstract
The utility model relates to a portable sleeping physiological parameter recording device which comprises a control module, a respiratory detecting module, a measuring electrode, an oximeter module, an analog-to-digital conversion module and a power module, wherein the control module is connected with a first short-distance wireless communication module, a storage module and an interface circuit module; the respiratory detecting module is used for measuring the respiration frequency of a human body; the measuring electrode is connected with the respiratory detecting module; the oximeter module consists of an oximetry component used for measuring the oxyhemoglobin saturation of the human body, and a second short-distance wireless communication module connected with the oxmetry component; the analog-to-digital conversion module is connected with the control module and the respiration detecting module respectively; the power module is connected with the storage module, the interface circuit module, the control module, the respiration detecting module and the analog-to-digital module respectively; and the first short-distance wireless communication module is communicated with the second short-distance wireless communication module wirelessly. The portable sleeping physiological parameter recording device avoids that in the prior art, the sleeping quality is affected due the adoption of wired connection, thus improving the quality of acquired physiology parameters, and providing complete and accurate information for analysis and diagnosis.
Description
Technical field
This utility model relates to a kind of armarium, particularly relates to a kind of to the human body mancarried device that multiple physiological parameter writes down in sleep procedure.
Background technology
How complete sleep is the important physiological activity of human body, and to write down the various physiological parameters of human body in sleep procedure exactly extremely important for the various physiological deceases of analyzing, diagnosis is possible such as sleep apnea.
At present, usually using the sleep analysis monitor instrument that patient is carried out successive whole night sleep clinically observes and monitors, the variation of the dynamic change of sound of snoring index, asphyxia number of times and the blood oxygen saturation at record patient night and patient's electrocardio, brain electricity and myoelectrical activity, apneic nature and extent was determined in the variation of body when thereby the understanding patient slept.The sleep analysis monitor instrument is in measuring process, need to use a large amount of measurement electrode by the line acquired signal from the patient body of leading, and the measurement of some project is adopted the wound mode, inconvenient operation not only, influence patient's actual sleep quality, and then influence the accuracy of measurement result, and the expense of equipment and measurement has influenced applying of sleep physiology data logging plant also than higher.
In the existing disclosed technology, the patent No. is the Chinese utility model patent of ZL 200720092825.6 a kind of sleeping respiration interference testing apparatus that disclosed (Granted publication on November 12nd, 2008).This device comprises: the respiratory pressure sensing module is used to detect the respiratory pressure data; Blood oxygen detection module is used to detect oximetry data; Mould/number conversion module is connected with blood oxygen detection module with described respiratory pressure sensing module; Single-chip microcomputer is connected with mould/number conversion module; Memory module is connected with single-chip microcomputer; Interface module is connected with memory module.This device is human body blood oxygen levels data and respiratory pressure Value Data simultaneously.Yet the blood oxygen detection module of this device and the wired connection of other parts have influenced patient's sleeper effect, and then influence the accuracy of measurement result.In addition, this device to comprising that physiological parameters such as sleeping posture, blood pressure and electrocardiosignal measure, can't not provide complete relatively physiologic information for follow-up analyzing and diagnosing.
Summary of the invention
The purpose of this utility model is that the wired connection at blood oxygen detection module that exists in the prior art and other parts has influenced patient's sleeper effect, and then influence the defective of the accuracy of measurement result, a kind of portable sleep physiology data logging plant is provided.
For realizing described purpose, portable sleep physiology data logging plant of the present utility model, comprise the control module that is connected with memory module and interface module, be used to measure the respiration detection module of human body respiration frequency, the measurement electrode that is connected with described respiration detection module, contain the oximeter module that is useful on the Oximetry assembly of measuring the human body blood oxygen saturation, the analog-to-digital conversion module that is connected with described respiration detection module with described control module respectively, respectively with described memory module, described interface module, described control module, described respiration detection module, the power module that described analog-to-digital conversion module is connected, it is characterized in that: this device also comprises respectively first close range wireless communication module that is connected with described power module with described control module, described oximeter module also comprises second close range wireless communication module that is connected with described Oximetry assembly, and described first close range wireless communication module is connected with the mode of described second close range wireless communication module with radio communication.
Radio communication by this oximeter module and control module part, this utility model has been exempted the influence of available technology adopting wired connection to sleeper effect, thereby improved the quality of the physiological parameter of being gathered, the information of complete and accurate is provided for the subsequent analysis diagnosis.
In addition, the scope of the physiological parameter that writes down in order to enlarge in the sleep procedure, this utility model can also increase one or more as lower module on this device basic:
Be used to measure the electrocardiogram acquisition module of human ecg signal, described electrocardiogram acquisition module is connected with described measurement electrode, described analog-to-digital conversion module and described power module respectively;
Contain the blood-pressure meter module that is useful on the blood pressure measurement assembly of measuring the human blood-pressure data, described blood-pressure meter module also comprises the 3rd close range wireless communication module, and described first close range wireless communication module is connected with the mode of described the 3rd close range wireless communication module with radio communication;
Be used to measure the acceleration transducer of sleep quality attitude, described acceleration transducer is connected with described power module with described control module respectively.
Description of drawings
Fig. 1 is that the system of device described in the utility model connects block diagram.
Fig. 2 is the module extended block diagram of device described in the utility model.
Fig. 3 for device described in the utility model wear and measure electrocardiogram and breath signal the time electrode the riding position sketch map.
Fig. 4 is the wearing mode sketch map of device blood-pressure meter module described in the utility model and oximeter module.
The specific embodiment
To by specific embodiment also in conjunction with the accompanying drawings realization of the present utility model be described in further detail below.
Fig. 1 has represented a portable sleep physiology data logging plant described in the utility model, it comprises and is connected with first close range wireless communication module 25, the control module 20 of memory module 21 and interface module 24, be used to measure the respiration detection module 12 of human body respiration frequency, the measurement electrode 11 that is connected with respiration detection module 12, by being used to measure the Oximetry assembly 53 of human body blood oxygen saturation and the oximeter module 50 that the second coupled close range wireless communication module 51 is formed, the analog-to-digital conversion module 14 that is connected with respiration detection module 12 with control module 20 respectively, respectively with memory module 21, interface module 24, control module 20, power module 30, the first close range wireless communication module 25 that respiration detection module 12 is connected with analog-to-digital conversion module 14 are connected with the mode of second close range wireless communication module 51 with radio communication.
Control module 20 is cores of device described in the utility model, by the duty and the issued transaction of each coupled functional module of the various interface coordinated management of its configuration.
First close range wireless communication module 25 and second close range wireless communication module, the 51 even carrier frequencies that adopt the sharable wireless communication frequency band of international uniform, the control information between realization control module 20 and the oximeter module 50 and the transmission and the acceptance of blood oxygen saturation parameter.
Memory module 21 is made of random-access memory (ram) 210 and nonvolatile memory 211.Wherein random-access memory (ram) 210 is used for the temporary transient storage of various physiological signals; Nonvolatile memory 211 is used for the long preservation of various physiological signals.Random-access memory (ram) 210 and nonvolatile memory 211 carry out exchanges data by address and data/address bus and control module 20.
Interface module 24 and control module 20 link to each other by serial communication interface.Employing meets the universal serial bus and the communications protocol of ieee standard, can realize being connected of device described in the utility model and PC, to be kept among every physiological parameter data importing PC of 21 li of memory modules in the device, the confession professional assesses the sleep procedure of user and diagnoses.
Power module 30 is used for providing operating current to all modules of device described in the utility model, can satisfy the multiple requirement of difference in functionality module to magnitude of voltage.
Measurement electrode 11 is used to extract human body physiological parameter, for device recording described in the utility model.。If device described in the utility model is not supported ecg signal acquiring, then measurement electrode 11 only comprises two plate electrodes, acquisition electrode RA among its placement location such as Fig. 3 and acquisition electrode LA.If device described in the utility model is also supported ecg signal acquiring, then measurement electrode 11 comprises three plate electrodes, and its placement location respectively as shown in Figure 3.
Respiration detection module 12 is connected with measurement electrode 11, is used to gather the human body respiration signal.During the human body respiration motion, thoracic wall muscle alternation tension and relaxation, thorax is alternately distortion also, and the electrical impedance of when injected organism tissue is alternate also, and respiratory impedance (lung impedance) is proportional with lung capacity.Utilize measurement electrode in the measurement, the constant electric current of high frequency directly is added to by electrode on patient's the thoracic wall, get 62.5KHz here, near this frequency, human body impedance is approximate pure resistance characteristic.Because the cycle of respiratory impedance changes, voltage between two electrodes also periodically changes, this signal is transfused to the high-frequency current signal modulation of human body, after amplification, filtering, by a CMOS gate circuit it is carried out demodulation process, remove the artifact of muscular movement again by the low pass filter of a 3.2Hz, can obtain the respiratory waveform signal.The breath signal that collects links to each other with described analog-digital converter 14, converts digital quantity to and imports buffer memory in the control module 20 into through analog-to-digital conversion module 14.Control module 20 obtains will to store in its write non-volatile memory 211 after the respiratory curve data at once, to guarantee the integrity of data.When requiring respiration detection, sample rate is more than or equal to 200Hz.
Oximeter module 50 constitutes by Oximetry assembly 53, second close range wireless communication module 51 and for the power supply 52 of its power supply links to each other.The start-up control of oxygen saturation measurement is realized by the control module 20 of device described in the utility model.Every through 1 second interval, control module 20 is given an order and is started an oxygen saturation measurement.Startup command is imported first close range wireless communication module 25 that is attached thereto into by the SPI interface of control module 20, send in the wireless carrier mode by this module again, after being positioned at second close range wireless communication module, 51 receptions on the oximeter module 50, should ordering by serial ports and send to the 53 startup measurements of Oximetry assembly.After Oximetry assembly 53 is finished measurement, the blood oxygen saturation data that obtain are sent to second close range wireless communication module 51 that is attached thereto by serial ports, the mode by radio communication transfers back to control module 20.Control module 20 is at first stored the blood oxygen saturation data write non-volatile memory 211 that receives.During oximeter module 50 independent uses, have interface and the function identical with common oximeter.The difference of itself and common oximeter is that the startup of its oxygen saturation measurement can be controlled by the mode of wireless telecommunications by control module 20, the blood oxygen saturation data that collect can be transmitted by second close range wireless communication module 51, and first close range wireless communication module, 25 receptions that can be linked to each other, and finally import control module 20 into control module 20.
In the embodiment in figure 1, measurement electrode is placed on human body shirtfront (as shown in Figure 3) and wears oximeter module (as shown in Figure 4), when control module 20 begins to enter the measurement state the user, start the collection of breath signal and oxygen saturation signal, and it is recorded in memory module 21.Can the physiological parameter that be write down be exported to external equipment by interface module 24 when needing, to be further processed, to analyze and to diagnose.
On the basis of the embodiment of Fig. 1, scope for the physiological parameter that writes down that further expands this portable sleep physiology data logging plant, we can increase one or more physiological parameter acquisition modules, as shown in Figure 2, electrocardiogram acquisition module 13 is connected with measurement electrode 11, analog-to-digital conversion module 14 and power module 30 respectively, blood-pressure meter module 40 is carried out exchanges data by communication and control module 20, and acceleration transducer 10 is connected with power module 30 with control module 20 and carries out exchanges data with control module 20.
Electrocardiogram acquisition module 13 is gathered human body skin surface electrocardiosignal by being connected with measurement electrode 11, and electrocardiosignal is amplified and Filtering Processing, by being attached thereto the analog-to-digital conversion module 14 that connects the ECG simulator conversion of signals is become digital signal again.Body surface ecg imports by the line that leads that the electrocardiogram acquisition module is amplified by the electrode slice collection into and at the interferential filtering of 50Hz power frequency, is then converted to digital quantity and imported into buffer memory in the control module 20 by analog-to-digital conversion module 14.Control module 20 obtains will to store 211 in its write non-volatile memory after the ECG data, guarantees the integrity of data at once.When being used for clinically the rhythm of the heart analyzed, can adopt single channel to measure, sample frequency need satisfy the standard-required of country for electrocardiogram monitor, gets 250Hz here.
Blood-pressure meter module 40 constitutes by blood pressure measurement assembly 43, the 3rd close range wireless communication module 41 and for the power supply 42 of its power supply links to each other.Because in the measuring process, the wrist air bag need carry out may the sleep quality of user being exerted an influence towards aerofluxus, so the measurement of blood pressure at interval can not be too short, and present embodiment was got 40 minutes.Every through 40 minutes intervals, control module 20 is given an order and is started a blood pressure measurement.Startup command is imported first close range wireless communication module 25 that is attached thereto into by the SPI interface of control module 20, send in the wireless carrier mode by first close range wireless communication module 25 again, after being positioned at the 3rd close range wireless communication module 41 receptions on the blood-pressure meter module 40, should ordering by serial ports and send to blood pressure measurement assembly 43 startup blood pressure measurement processes.Blood-pressure meter module 40 has interface and the function identical with common sphygomanometer, can independently finish the measurement of filling aerofluxus control and blood pressure of air bag.After blood pressure measurement assembly 43 is finished measurement, the blood pressure data that obtains is sent to the 3rd close range wireless communication module 41 that is attached thereto by serial ports, the mode by radio communication transfers back to control module 20.Control module 20 is stored the blood pressure data write non-volatile memory 211 that receives.The difference of blood-pressure meter module 40 and common sphygomanometer is that the startup of its blood pressure measurement can be controlled by the mode of wireless telecommunications by control module 20, the blood pressure data that blood pressure measurement assembly 43 collects can transmit by the 3rd close range wireless communication module 41, the first nearly short-range wireless communication module 25 that data can be linked to each other with control module 20 receives, and finally imports control module 20 into.
Acceleration transducer 10 is used to gather the human body three-dimensional acceleration information, this pick off can be gathered the acceleration information of human body on 3 orthogonal directions, inner integrated analog digital conversion equipment, can be to directly acceleration being quantized, acceleration value after digital interface output quantizes, these data are admitted to control module 20.In the realization of device described in the utility model, this acceleration transducer can adopt combination or a three dimension acceleration sensor of three one dimension acceleration transducers, and the sample rate that requires acceleration is more than or equal to 10Hz.
In the embodiment of Fig. 2, measurement electrode is placed on human body shirtfront (as shown in Figure 3) and wears the oximeter module and blood-pressure meter module (as shown in Figure 4), when control module 20 begins to enter the measurement state the user, start the collection of breath signal, oxygen saturation signal, electrocardiosignal, blood pressure signal and acceleration signal, and it is recorded in memory module 21.Can the physiological parameter that be write down be exported to external equipment by interface module 24 when needing, to be further processed, to analyze and to diagnose.
Emphasize that once more in Fig. 2, except that respiration detection module and oximeter module are the basic configuration, what the user can be according in self needs apolegamy electrocardiogram acquisition module, blood-pressure meter module and the acceleration transducer is one or more.
As embodiment particularly, each module among Fig. 1 and Fig. 2 can adopt following configuration:
The measurement electrode 11 that is used for electrocardiogram collection and respiration detection adopts silver chloride adhesive type electrode slice.
Electrocardiogram acquisition module 13 selects for use the AD620 instrument amplifier and the AD8532 operational amplifier that are provided by U.S. Analog company to constitute amplification and filter circuit solution.
Respiration detection module 12 selects for use AD8532 and AD620 operational amplifier to make up constant-current source circuit and signal conditioning circuit, utilizes the constant-current source impedance method to measure when human body carries out respiratory activity, and chest muscle is because the variation of the impedance that relative motion takes place.
Three a small amount of of CMA3000 number of passes word interface acceleration sensor chip that acceleration transducer 10 adopts Finland VTI company to provide.
The CSN812 module that blood pressure measurement assembly 43 selects for use Beijing Chaosi Electronic Technology Co., Ltd. to provide, it can write down systolic pressure, diastolic pressure and the mean pressure of tested human body.All calculating, parameter measurement and the aerofluxus control of filling of air bag all finished by module.Expansion interface by the CSN812 module is reserved disposes the 3rd close range wireless communication module 41, and integrated with small air pump, wrist air bag, and by power supply 42 power supplies, independent used blood-pressure meter module 40 that can becoming one.Blood-pressure meter module 40 profiles such as Wrist blood pressure meter, can directly be worn on the user wrist and implement blood pressure measurement, by the radio communication of the 3rd close range wireless communication module 41 and first close range wireless communication module 25, receive from the instruction of control module 20 and to control module 20 and send blood pressure measurement.
The CSN604 module that Oximetry assembly 53 selects for use Beijing Chaosi Electronic Technology Co., Ltd. to provide, the BCI probe that it can be compatible all can be surveyed sample or measure patient's blood oxygen saturation and export average blood oxygen saturation and instantaneous blood oxygen saturation.Expansion interface by the CSN604 module is reserved disposes second close range wireless communication module 51, and integrated with the Oximetry probe, and by power supply 52 power supplies, independent used oximeter module 50 that can becoming one.Oximeter module 50 directly is clipped in user finger tip can implement Oximetry, by the radio communication of described second close range wireless communication module 51 and first close range wireless communication module 25, receive from the instruction of control module 20 and to control module 20 and send the oxygen saturation measurement result.
The CC2500 chip that first close range wireless communication module 25, second close range wireless communication module 51 and the 3rd close range wireless communication module 41 all select for use TIX to provide, this chip is low cost, the low-power consumption RF transceiver at 2.4GHz ISM frequency band low-power wireless Application Design, modulation systems such as compatible OOK, FSK, GFSK and MSK are furnished with the SPI interface and carry out exchanges data.
Power module 30 adopts this chip of NCP1423 chip of U.S. ON company to export different magnitudes of voltage according to the various combination of outside build-out resistor and inductance.
The STM32F103 chip that the French ST of control module 20 employings company provides, because its inner integrated analog-digital conversion function and configuration random-access memory and nonvolatile memory, so analog-to-digital conversion module 14 and the random access memory 210 intending adopting in the device described in the utility model design can dispose no longer separately.
The capacity that nonvolatile memory 211 selects for use U.S. Kingstone company to provide is the miniSD card of 1G, and this data storage card can be connected the line data exchange of going forward side by side by the SPI interface with control module 20, thereby finishes data write operation in the storage card.
Consider that nearly all PC has all disposed USB interface now, so selected USB interface is as the interface of the transfer of data of device described in the utility model.The interface chip PDIUSBD12 of the compatible usb protocol that interface module 24 employing grace intelligence general (NXP) companies provide realizes.This chip is connected by the SPI interface with described STM32F103 chip, by this interface, can realize the exchanges data with STM32F103.The PDIUSBD12 chip is responsible for finishing the data transaction work that meets usb communication agreement and electrical code.Utilize above-mentioned usb communication interface, all physiological parameter data that are kept in the device described in the utility model in the nonvolatile memory 211 can be imported among the PC, the sleep-respiratory process of human body is done comprehensively to assess and analyze for professional institution.
Certain above-mentioned configuration is not the qualification novel to this use, and the technical staff can select for use other assemblies with corresponding function, module or chip to realize the hardware designs of said system.
The above only is a kind of specific embodiment of the present utility model, is not structure of the present utility model is done any pro forma qualification.Every foundation technical spirit of the present utility model all still belongs in the scope of the technical solution of the utility model modification, equivalent variations and modification that above embodiment did.
Claims (10)
1. portable sleep physiology data logging plant, comprise the control module that is connected with memory module and interface module, be used to measure the respiration detection module of human body respiration frequency, the measurement electrode that is connected with described respiration detection module, contain the oximeter module that is useful on the Oximetry assembly of measuring the human body blood oxygen saturation, the analog-to-digital conversion module that is connected with described respiration detection module with described control module respectively, respectively with described memory module, described interface module, described control module, described respiration detection module, the power module that described analog-to-digital conversion module is connected, it is characterized in that: this device also comprises respectively first close range wireless communication module that is connected with described power module with described control module, described oximeter module also comprises second close range wireless communication module that is connected with described Oximetry assembly, and described first close range wireless communication module is connected with the mode of described second close range wireless communication module with radio communication.
2. portable sleep physiology data logging plant according to claim 1 is characterized in that described control module is made of microprocessor or digital signal processor.
3. portable sleep physiology data logging plant according to claim 2, it is characterized in that, this device also comprises the electrocardiogram acquisition module that is used to measure human ecg signal, and described electrocardiogram acquisition module is connected with described measurement electrode, described analog-to-digital conversion module and described power module respectively.
4. according to claim 2 or 3 described portable sleep physiology data logging plants, it is characterized in that, this device also comprises the blood-pressure meter module that contains the blood pressure measurement assembly that is useful on measurement human blood-pressure data, described blood-pressure meter module also comprises the 3rd close range wireless communication module, and described first close range wireless communication module is connected with the mode of described the 3rd close range wireless communication module with radio communication.
5. according to claim 2 or 3 described portable sleep physiology data logging plants, it is characterized in that, this device also comprises the acceleration transducer that is used to measure the sleep quality attitude, and described acceleration transducer is connected with described power module with described control module.
6. portable sleep physiology data logging plant according to claim 4 is characterized in that this device also comprises the acceleration transducer that is used to measure the sleep quality attitude, and described acceleration transducer is connected with described power module with described control module.
7. portable sleep physiology data logging plant according to claim 5 is characterized in that, described acceleration transducer is combination or three dimension acceleration sensor of three one dimension acceleration transducers.
8. portable sleep physiology data logging plant according to claim 6 is characterized in that, described acceleration transducer is combination or three dimension acceleration sensor of three one dimension acceleration transducers.
9. portable sleep physiology data logging plant according to claim 3, it is characterized in that described first close range wireless communication module and described second close range wireless communication module utilize the international free wireless communication frequency band of sharing to carry out radio communication.
10. portable sleep physiology data logging plant according to claim 4, it is characterized in that described first close range wireless communication module and described the 3rd close range wireless communication module utilize the international free wireless communication frequency band of sharing to carry out radio communication.
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| CN2010201437978U CN201641977U (en) | 2010-03-29 | 2010-03-29 | Portable sleeping physiological parameter recording device |
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| CN2010201437978U CN201641977U (en) | 2010-03-29 | 2010-03-29 | Portable sleeping physiological parameter recording device |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103211585A (en) * | 2013-04-07 | 2013-07-24 | 北京海利赢医疗科技有限公司 | Multiparameter monitoring and analyzing system |
| CN104586406A (en) * | 2015-02-15 | 2015-05-06 | 珠海安润普科技有限公司 | Wearable device, method and system for monitoring respiration and sleep characteristics |
| CN110353660A (en) * | 2019-08-01 | 2019-10-22 | 上海用为医疗科技有限公司 | A kind of miniature sleep monitor system |
| CN112315457A (en) * | 2020-11-03 | 2021-02-05 | 中国科学院空天信息创新研究院 | Implanted micro-power consumption multi-physiological parameter recording device |
-
2010
- 2010-03-29 CN CN2010201437978U patent/CN201641977U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103211585A (en) * | 2013-04-07 | 2013-07-24 | 北京海利赢医疗科技有限公司 | Multiparameter monitoring and analyzing system |
| CN104586406A (en) * | 2015-02-15 | 2015-05-06 | 珠海安润普科技有限公司 | Wearable device, method and system for monitoring respiration and sleep characteristics |
| CN110353660A (en) * | 2019-08-01 | 2019-10-22 | 上海用为医疗科技有限公司 | A kind of miniature sleep monitor system |
| CN112315457A (en) * | 2020-11-03 | 2021-02-05 | 中国科学院空天信息创新研究院 | Implanted micro-power consumption multi-physiological parameter recording device |
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