WO2021210792A1 - 생체정보의 측정장치 - Google Patents
생체정보의 측정장치 Download PDFInfo
- Publication number
- WO2021210792A1 WO2021210792A1 PCT/KR2021/003225 KR2021003225W WO2021210792A1 WO 2021210792 A1 WO2021210792 A1 WO 2021210792A1 KR 2021003225 W KR2021003225 W KR 2021003225W WO 2021210792 A1 WO2021210792 A1 WO 2021210792A1
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- WO
- WIPO (PCT)
- Prior art keywords
- sensor
- biometric information
- unit
- measuring
- load
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Ceased
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Classifications
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/145—Measuring characteristics of blood in vivo, e.g. gas concentration or pH-value ; Measuring characteristics of body fluids or tissues, e.g. interstitial fluid or cerebral tissue
- A61B5/14532—Measuring characteristics of blood in vivo, e.g. gas concentration or pH-value ; Measuring characteristics of body fluids or tissues, e.g. interstitial fluid or cerebral tissue for measuring glucose, e.g. by tissue impedance measurement
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/145—Measuring characteristics of blood in vivo, e.g. gas concentration or pH-value ; Measuring characteristics of body fluids or tissues, e.g. interstitial fluid or cerebral tissue
- A61B5/14503—Measuring characteristics of blood in vivo, e.g. gas concentration or pH-value ; Measuring characteristics of body fluids or tissues, e.g. interstitial fluid or cerebral tissue invasive, e.g. introduced into the body by a catheter or needle or using implanted sensors
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/145—Measuring characteristics of blood in vivo, e.g. gas concentration or pH-value ; Measuring characteristics of body fluids or tissues, e.g. interstitial fluid or cerebral tissue
- A61B5/1468—Measuring characteristics of blood in vivo, e.g. gas concentration or pH-value ; Measuring characteristics of body fluids or tissues, e.g. interstitial fluid or cerebral tissue using chemical or electrochemical methods, e.g. by polarographic means
- A61B5/1473—Measuring characteristics of blood in vivo, e.g. gas concentration or pH-value ; Measuring characteristics of body fluids or tissues, e.g. interstitial fluid or cerebral tissue using chemical or electrochemical methods, e.g. by polarographic means invasive, e.g. introduced into the body by a catheter
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/15—Devices for taking samples of blood
- A61B5/155—Devices specially adapted for continuous or multiple sampling, e.g. at predetermined intervals
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/68—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient
- A61B5/6846—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient specially adapted to be brought in contact with an internal body part, i.e. invasive
- A61B5/6847—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient specially adapted to be brought in contact with an internal body part, i.e. invasive mounted on an invasive device
- A61B5/686—Permanently implanted devices, e.g. pacemakers, other stimulators, biochips
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/68—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient
- A61B5/6846—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient specially adapted to be brought in contact with an internal body part, i.e. invasive
- A61B5/6885—Monitoring or controlling sensor contact pressure
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/72—Signal processing specially adapted for physiological signals or for diagnostic purposes
- A61B5/7203—Signal processing specially adapted for physiological signals or for diagnostic purposes for noise prevention, reduction or removal
- A61B5/7207—Signal processing specially adapted for physiological signals or for diagnostic purposes for noise prevention, reduction or removal of noise induced by motion artifacts
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/72—Signal processing specially adapted for physiological signals or for diagnostic purposes
- A61B5/7203—Signal processing specially adapted for physiological signals or for diagnostic purposes for noise prevention, reduction or removal
- A61B5/7207—Signal processing specially adapted for physiological signals or for diagnostic purposes for noise prevention, reduction or removal of noise induced by motion artifacts
- A61B5/721—Signal processing specially adapted for physiological signals or for diagnostic purposes for noise prevention, reduction or removal of noise induced by motion artifacts using a separate sensor to detect motion or using motion information derived from signals other than the physiological signal to be measured
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/72—Signal processing specially adapted for physiological signals or for diagnostic purposes
- A61B5/7235—Details of waveform analysis
- A61B5/725—Details of waveform analysis using specific filters therefor, e.g. Kalman or adaptive filters
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B2562/00—Details of sensors; Constructional details of sensor housings or probes; Accessories for sensors
- A61B2562/18—Shielding or protection of sensors from environmental influences, e.g. protection from mechanical damage
Definitions
- a self-monitoring device capable of directly examining a user's blood sugar is widely used and widely used.
- a general blood glucose meter measures a user's blood glucose level by putting the user's blood on a sensor strip, which is a test strip. That is, the blood glucose level measured through the sensor strip is displayed on the blood glucose meter by inserting the sensor strip dipped in blood into the blood glucose meter.
- Another object of the present invention is to measure the temperature of the electrical load or the ambient temperature of the electrical load, and to provide a biometric information measuring device capable of accurately measuring the biometric information in consideration of the additional impedance of the load that changes according to the temperature will be.
- the measurement unit is characterized in that it further includes a low-pass filter for filtering the noise of the high-frequency band from the response signal in which the noise level is suppressed by the load unit.
- the load part is characterized in that the resistance of 10K ⁇ to 10G ⁇ .
- the measuring unit further includes a temperature sensor for measuring the temperature of the load unit or the temperature around the load unit, and measuring biometric information from the response signal in consideration of the additional impedance of the load unit that changes according to the temperature measured through the temperature sensor characterized.
- FIG. 1 is a schematic diagram illustrating a body-mounted continuous biometric information measurement system according to an embodiment of the present invention.
- the continuous biometric information measurement system includes a biometric information measurement device 10 and a communication terminal 30 .
- FIG. 2 is a view showing an applicator for attaching the biometric information measuring device of the present invention to the body.
- An adhesive tape may be provided on the body contact surface of the biometric information measuring device 10 so that the biometric information measuring device 10 can be fixedly attached to the skin of the body. Therefore, when the applicator 50 is spaced apart from the skin of the body, the biometric information measuring device 10 is fixedly attached to the skin of the body by an adhesive tape.
- the biometric information measuring apparatus provides an additional impedance to the sensor impedance of the sensor 100 to relatively suppress the noise level applied to the response signal generated by the sensor 100 when the sensor 100 is physically deformed. part 200 .
- the magnitude of the additional impedance of the load unit 200 is larger than the magnitude of the sensor impedance of the sensor 100 .
- the load unit 200 is characterized in that the resistance of 10K ⁇ to 10G ⁇ .
- a working electrode 130 and a counter electrode 150 are formed at one end of the sensor.
- the load unit 1 201 is connected only to the working electrode 130 , and the counter electrode 150 is separately connected to the working electrode 130 . do not connect the load of the , or connect the load part 2 203 only to the counter electrode 150 and connect a separate load to the working electrode 130 , or a load to each of the working electrode 130 and the counter electrode 150 .
- the part 1 201 and the load part 2 203 may be connected.
- the sensor impedance of the sensor 100 is in addition, an additional impedance that is relatively larger than the sensor impedance is connected to the sensor impedance, and thus, the effect of a change in the sensor impedance that changes according to the physical change of the sensor 100 in the overall impedance of the bioinformation measuring device is relatively small.
- the load unit 200 may be manufactured by being provided inside the housing of the measuring unit 300 .
- the load unit 200 is connected to the sensor 100 to provide additional impedance to the sensor impedance of the sensor 100, so that when the sensor is attached to the body and continuously generates a response signal, the sensor according to the physical load applied to the sensor It contributes to reduce the size of noise generated when the shape of the shape is deformed or moved. That is, the magnitude of the total impedance viewed from the measurement circuit unit 310 is the sum of the sensor impedance of the sensor 100 and the additional impedance of the load unit 200 , and the magnitude of the additional impedance is relatively larger than the magnitude of the sensor impedance. Therefore, even if the sensor impedance changes due to deformation or movement in the sensor, the contribution of the change in the sensor impedance to the overall impedance is small, and accordingly, the amount of noise generated in the response signal generated by the sensor can be reduced.
- the sensor 100 includes a flexible base substrate 110 , a bioelectrode 130 disposed on one end of the base substrate 110 , and a conductive tracer formed on the upper surface of the base substrate 110 .
- a conductive trace may be manufactured as the load unit 200 instead of a separate separate load unit.
- the bioelectrode 130 disposed on one end of the base substrate 110 is inserted into the skin when the sensor is attached to the body to cause an electrochemical reaction inside the body, and generates a response signal. It is transmitted to the measurement circuitry 310 of 300 .
- the conductive tracer is formed to have as small an impedance as possible.
- the conductive tracer is intentionally made to have a relatively high impedance in order to operate the conductive tracer as the load unit 200 .
- the conductive tracer may be manufactured to have high impedance by changing the material, shape, width, length, etc. of the conductive tracer in order to have a high impedance to operate as a load part.
- FIG. 8 is a view for explaining another example of the apparatus for measuring biometric information according to the present invention.
- the sensor 100 and the measurement unit 300 are manufactured independently and are manufactured to be coupled to each other separately, and the sensor 100 and the measurement unit 300 include the sensor 100 and the Connection terminals 210 and 230 for electrically connecting the measurement unit 300 are formed. That is, the sensor 100 has a first connection terminal 210 formed at one end coupled to the measurement unit 300 , and the measurement unit 300 has a second connection electrically connected to the connection terminal 210 of the sensor. A terminal 230 is formed. The response signal generated from the bioelectrode of the sensor 100 is transmitted to the first connection terminal 210 through the conductive tracer, and the second connection terminal 230 electrically connected to the first connection terminal 210 responds. The signal is received and transmitted to the measurement circuit unit 310 .
- the load unit 200 provides an additional impedance to the sensor impedance of the sensor 100, and when the sensor is attached to the body and continuously generates a response signal, the shape of the sensor is deformed or moved according to the physical load applied to the sensor. It contributes to reducing the size of the noise. That is, the magnitude of the total impedance viewed from the measurement circuit unit 310 is the sum of the sensor impedance of the sensor 100 and the additional impedance of the load unit 200 , and the magnitude of the additional impedance is relatively larger than the magnitude of the sensor impedance. Therefore, even if the sensor impedance changes due to deformation or movement in the sensor, the contribution of the change in the sensor impedance to the overall impedance is small, and accordingly, the amount of noise generated in the response signal generated by the sensor can be reduced.
- the power supply unit 310 applies measurement power to the sensor, and the current-voltage converter 330 receives an analog current response signal from the sensor and converts it into a voltage measurement signal.
- the current-voltage converter 330 may be an OPAMP.
- the biometric information generating unit 370 converts an analog measurement signal to digital to generate biometric information.
- the size of the electrical load of the load unit 200 that is, the size of the additional impedance changes according to the temperature of the load unit 200
- the temperature sensing unit 390 detects the temperature of the load unit itself or the ambient temperature in which the load unit is disposed. It measures and provides information on the measured temperature to the biometric information generating unit 370 .
- the biometric information generator 370 may determine the size of the additional impedance in consideration of the temperature of the load unit 200 based on the measured temperature, and accurately measure the biometric information from the response signal based on the determined size of the additional impedance. .
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Surgery (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Biophysics (AREA)
- Pathology (AREA)
- General Health & Medical Sciences (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- Animal Behavior & Ethology (AREA)
- Signal Processing (AREA)
- Optics & Photonics (AREA)
- Physiology (AREA)
- Psychiatry (AREA)
- Artificial Intelligence (AREA)
- Computer Vision & Pattern Recognition (AREA)
- Emergency Medicine (AREA)
- General Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Chemical & Material Sciences (AREA)
- Hematology (AREA)
- Measurement And Recording Of Electrical Phenomena And Electrical Characteristics Of The Living Body (AREA)
- Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
- Measuring And Recording Apparatus For Diagnosis (AREA)
- Measuring Pulse, Heart Rate, Blood Pressure Or Blood Flow (AREA)
Abstract
Description
Claims (8)
- 피부에 삽입되는 생체 전극을 구비하는 센서;상기 생체 전극으로 측정 전원을 인가하며 상기 생체 전극으로부터 수신되는 응답 신호에 기초하여 생체 정보를 측정하는 측정부; 및상기 센서의 센서 임피던스에 추가 임피던스를 제공하여 상기 센서의 물리적 변형시 상기 응답 신호에 가해지는 노이즈 크기를 상대적으로 억제하는 부하부를 포함하며,상기 추가 임피던스의 크기는 상기 센서 임피던스의 크기보다 큰 것을 특징으로 하는 생체 정보의 측정 장치.
- 제 1 항에 있어서, 상기 생체 전극은 작동 전극과 기준전극을 포함하며,상기 부하부는 상기 작동 전극에 직렬로 접속되거나, 상기 기준전극에 직렬로 접속되거나, 상기 작동 전극과 기준 전극에 각각 직렬로 접속되는 것을 특징으로 하는 생체 정보의 측정 장치.
- 제 2 항에 있어서, 상기 부하부는상기 측정부의 하우징 내부에 상기 생체 전극과 직렬로 배치되는 것을 특징으로 하는 생체 정보의 측정 장치.
- 제 2 항에 있어서, 상기 부하부는상기 센서의 몸체에 형성되어 상기 생체 전극과 상기 측정부를 전기적으로 연결하는 트레이서로 형성되는 것을 특징으로 하는 생체 정보의 측정 장치.
- 제 2 항에 있어서, 상기 센서와 상기 측정부는 서로 분리 가능하게 체결되는데,상기 부하부는 상기 센서와 상기 측정부를 체결시 상기 센서와 상기 측정부를 서로 전기적으로 접속시키는 접속 단자로 형성되는 것을 특징으로 하는 생체 정보의 측정 장치.
- 제 3 항 내지 제 5 항 중 어느 한 항에 있어서, 상기 측정부는상기 부하부에 의해 노이즈 크기가 억제된 응답 신호에서 고주파 대역의 노이즈를 필터링하는 저주파 통과 필터를 더 포함하는 것을 특징으로 하는 생체 정보의 측정 장치.
- 제 3 항 내지 제 5 항 중 어느 한 항에 있어서, 상기 부하부는10KΩ 내지 10GΩ의 저항인 것을 특징으로 하는 생체 정보의 측정 장치.
- 제 3 항 내지 제 5 항 중 어느 한 항에 있어서, 상기 측정부는상기 부하부의 온도 또는 상기 부하부 주변의 온도를 측정하는 온도 센서를 더 포함하며,상기 온도 센서를 통해 측정한 온도에 따라 변화하는 부하부의 추가 임피던스를 고려하여 상기 응답신호로부터 생체 정보를 측정하는 것을 특징으로 하는 생체 정보의 측정 장치.
Priority Applications (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2022552913A JP7650285B2 (ja) | 2020-04-13 | 2021-03-16 | 生体情報の測定装置 |
| US17/909,375 US20230148913A1 (en) | 2020-04-13 | 2021-03-16 | Apparatus for measuring biometric information |
| AU2021257283A AU2021257283B2 (en) | 2020-04-13 | 2021-03-16 | Apparatus for measuring biometric information |
| EP21789098.7A EP4098192B1 (en) | 2020-04-13 | 2021-03-16 | Apparatus for measuring biometric information |
| CN202180017147.XA CN115175610A (zh) | 2020-04-13 | 2021-03-16 | 生物信息的测量装置 |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR10-2020-0044830 | 2020-04-13 | ||
| KR1020200044830A KR102353059B1 (ko) | 2020-04-13 | 2020-04-13 | 생체정보의 측정장치 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2021210792A1 true WO2021210792A1 (ko) | 2021-10-21 |
Family
ID=78084937
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/KR2021/003225 Ceased WO2021210792A1 (ko) | 2020-04-13 | 2021-03-16 | 생체정보의 측정장치 |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US20230148913A1 (ko) |
| EP (1) | EP4098192B1 (ko) |
| JP (1) | JP7650285B2 (ko) |
| KR (1) | KR102353059B1 (ko) |
| CN (1) | CN115175610A (ko) |
| AU (1) | AU2021257283B2 (ko) |
| WO (1) | WO2021210792A1 (ko) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR3138998A1 (fr) * | 2022-08-26 | 2024-03-01 | Pkvitality | Correction de la mesure d’une concentration d’un analyte |
Citations (5)
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| US5704365A (en) * | 1994-11-14 | 1998-01-06 | Cambridge Heart, Inc. | Using related signals to reduce ECG noise |
| KR20130022542A (ko) * | 2011-08-25 | 2013-03-07 | 삼성전자주식회사 | 생체 신호를 측정하는 장치 및 방법 |
| KR20140094912A (ko) * | 2013-01-23 | 2014-07-31 | 동국대학교 산학협력단 | 다중 생체신호 센서 |
| KR20150001225A (ko) * | 2013-06-26 | 2015-01-06 | 계명대학교 산학협력단 | 개인 인증을 위한 피부 임피던스 측정용 전극 센서 및 이를 포함하는 피부 임피던스 측정 장치 |
| KR20150057388A (ko) * | 2013-11-19 | 2015-05-28 | 삼성전자주식회사 | 공통모드 노이즈를 감소시키는 생체 신호 측정 장치 및 방법 |
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| IT1028812B (it) * | 1975-04-24 | 1979-02-10 | Alcidi M | Pacemaker artificiale perfezionato |
| CH681351A5 (ko) * | 1990-04-12 | 1993-03-15 | Hans Baer Dr | |
| IE960312A1 (en) * | 1995-06-02 | 1996-12-11 | Alza Corp | An electrotransport delivery device with voltage boosting¹circuit |
| US6494829B1 (en) | 1999-04-15 | 2002-12-17 | Nexan Limited | Physiological sensor array |
| US20080249385A1 (en) * | 2007-04-04 | 2008-10-09 | Luong Ngoc Phan | Isolated intravenous analyte monitoring system |
| US20090120810A1 (en) * | 2007-11-02 | 2009-05-14 | Edwards Lifesciences Corporation | Analyte monitoring system capable of detecting and providing protection against signal noise generated by external systems that may affect the monitoring system |
| US8359083B2 (en) * | 2008-04-02 | 2013-01-22 | University Of Utah Research Foundation | Microelectrode array system with integrated reference microelectrodes to reduce detected electrical noise and improve selectivity of activation |
| US8597570B2 (en) | 2008-11-04 | 2013-12-03 | Panasonic Corporation | Measurement device, insulin infusion device, measurement method, method for controlling insulin infusion device, and program |
| CN102469949B (zh) * | 2009-07-13 | 2014-06-25 | 皇家飞利浦电子股份有限公司 | 运动人为噪声减少的电生理学测量 |
| SE536219C2 (sv) * | 2011-12-05 | 2013-07-02 | St Jude Medical Systems Ab | Aktiv brusutsläckningsanordning för medicinska intrakorporeala sensorer |
| US9645111B2 (en) * | 2012-06-08 | 2017-05-09 | Medtronic Minimed, Inc. | Application of electrochemical impedance spectroscopy in sensor systems, devices, and related methods |
| KR20150044181A (ko) * | 2013-10-16 | 2015-04-24 | (주)참케어 | 심전도 측정용 전극 및 이를 갖는 심전도 측정장구 |
| US20170273610A1 (en) | 2014-03-12 | 2017-09-28 | Glucovation, Inc | Wearable electrochemical sensor and method |
| EP3294128B1 (en) * | 2015-05-11 | 2022-06-29 | Samsung Electronics Co., Ltd. | Biosensor electrode structure and biosensor including the same |
| KR20160132750A (ko) * | 2015-05-11 | 2016-11-21 | 삼성전자주식회사 | 바이오 센서용 전극 구조 및 상기한 전극 구조를 포함하는 바이오 센서 |
| US11166653B2 (en) * | 2015-10-14 | 2021-11-09 | The Regents Of The University Of California | Reconfigurable, multi-technique electrochemical portable biosensor |
| JP7758468B2 (ja) * | 2018-01-23 | 2025-10-22 | デックスコム・インコーポレーテッド | センサに対する温度効果を補償するためのシステム、デバイスおよび方法 |
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2020
- 2020-04-13 KR KR1020200044830A patent/KR102353059B1/ko active Active
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2021
- 2021-03-16 WO PCT/KR2021/003225 patent/WO2021210792A1/ko not_active Ceased
- 2021-03-16 US US17/909,375 patent/US20230148913A1/en active Pending
- 2021-03-16 EP EP21789098.7A patent/EP4098192B1/en active Active
- 2021-03-16 JP JP2022552913A patent/JP7650285B2/ja active Active
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| KR20130022542A (ko) * | 2011-08-25 | 2013-03-07 | 삼성전자주식회사 | 생체 신호를 측정하는 장치 및 방법 |
| KR20140094912A (ko) * | 2013-01-23 | 2014-07-31 | 동국대학교 산학협력단 | 다중 생체신호 센서 |
| KR20150001225A (ko) * | 2013-06-26 | 2015-01-06 | 계명대학교 산학협력단 | 개인 인증을 위한 피부 임피던스 측정용 전극 센서 및 이를 포함하는 피부 임피던스 측정 장치 |
| KR20150057388A (ko) * | 2013-11-19 | 2015-05-28 | 삼성전자주식회사 | 공통모드 노이즈를 감소시키는 생체 신호 측정 장치 및 방법 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR3138998A1 (fr) * | 2022-08-26 | 2024-03-01 | Pkvitality | Correction de la mesure d’une concentration d’un analyte |
Also Published As
| Publication number | Publication date |
|---|---|
| US20230148913A1 (en) | 2023-05-18 |
| KR20210127010A (ko) | 2021-10-21 |
| EP4098192A4 (en) | 2024-02-21 |
| JP2023521283A (ja) | 2023-05-24 |
| KR102353059B1 (ko) | 2022-01-20 |
| CN115175610A (zh) | 2022-10-11 |
| AU2021257283B2 (en) | 2026-01-22 |
| JP7650285B2 (ja) | 2025-03-24 |
| AU2021257283A1 (en) | 2022-09-22 |
| EP4098192B1 (en) | 2025-04-23 |
| EP4098192A1 (en) | 2022-12-07 |
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