PL3263021T3 - Światłowodowa warstwa czujnikowa i układ jej monitorowania - Google Patents

Światłowodowa warstwa czujnikowa i układ jej monitorowania

Info

Publication number
PL3263021T3
PL3263021T3 PL15868841.6T PL15868841T PL3263021T3 PL 3263021 T3 PL3263021 T3 PL 3263021T3 PL 15868841 T PL15868841 T PL 15868841T PL 3263021 T3 PL3263021 T3 PL 3263021T3
Authority
PL
Poland
Prior art keywords
monitoring system
sensing layer
fiber sensing
fiber
layer
Prior art date
Application number
PL15868841.6T
Other languages
English (en)
Inventor
Shuchen YANG
Original Assignee
Huijia Health Life Technology Co., Ltd.
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Huijia Health Life Technology Co., Ltd. filed Critical Huijia Health Life Technology Co., Ltd.
Publication of PL3263021T3 publication Critical patent/PL3263021T3/pl

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
    • G01D5/00—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable
    • G01D5/26—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light
    • G01D5/32—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light
    • G01D5/34—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light the beams of light being detected by photocells
    • G01D5/353—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light the beams of light being detected by photocells influencing the transmission properties of an optical fibre
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/02—Detecting, measuring or recording for evaluating the cardiovascular system, e.g. pulse, heart rate, blood pressure or blood flow
    • A61B5/0205—Simultaneously evaluating both cardiovascular conditions and different types of body conditions, e.g. heart and respiratory condition
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/0059—Measuring for diagnostic purposes; Identification of persons using light, e.g. diagnosis by transillumination, diascopy, fluorescence
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/02—Detecting, measuring or recording for evaluating the cardiovascular system, e.g. pulse, heart rate, blood pressure or blood flow
    • A61B5/0205—Simultaneously evaluating both cardiovascular conditions and different types of body conditions, e.g. heart and respiratory condition
    • A61B5/02055—Simultaneously evaluating both cardiovascular condition and temperature
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/08—Measuring devices for evaluating the respiratory organs
    • A61B5/087—Measuring breath flow
    • A61B5/0873—Measuring breath flow using optical means
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
    • G01D5/00—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable
    • G01D5/26—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light
    • G01D5/32—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light
    • G01D5/34—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light the beams of light being detected by photocells
    • G01D5/353—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light the beams of light being detected by photocells influencing the transmission properties of an optical fibre
    • G01D5/3537—Optical fibre sensor using a particular arrangement of the optical fibre itself
    • G01D5/35374—Particular layout of the fiber
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L1/00—Measuring force or stress, in general
    • G01L1/24—Measuring force or stress, in general by measuring variations of optical properties of material when it is stressed, e.g. by photoelastic stress analysis using infrared, visible light, ultraviolet
    • G01L1/242—Measuring force or stress, in general by measuring variations of optical properties of material when it is stressed, e.g. by photoelastic stress analysis using infrared, visible light, ultraviolet the material being an optical fibre
    • 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
    • A61B2562/02—Details of sensors specially adapted for in-vivo measurements
    • A61B2562/0247—Pressure sensors
    • 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
    • A61B2562/02—Details of sensors specially adapted for in-vivo measurements
    • A61B2562/0261—Strain gauges
    • A61B2562/0266—Optical strain gauges
    • 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
    • A61B2562/02—Details of sensors specially adapted for in-vivo measurements
    • A61B2562/0271—Thermal or temperature sensors
    • 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
    • A61B2562/02—Details of sensors specially adapted for in-vivo measurements
    • A61B2562/029—Humidity sensors
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/103—Measuring devices for testing the shape, pattern, colour, size or movement of the body or parts thereof, for diagnostic purposes
    • A61B5/11—Measuring movement of the entire body or parts thereof, e.g. head or hand tremor or mobility of a limb
    • A61B5/1102—Ballistocardiography
    • 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
    • A61B5/6801—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient specially adapted to be attached to or worn on the body surface
    • A61B5/6802—Sensor mounted on worn items
    • A61B5/6804—Garments; Clothes
    • 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
    • A61B5/6887—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient mounted on external non-worn devices, e.g. non-medical devices
    • A61B5/6891—Furniture
    • 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
    • A61B5/6887—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient mounted on external non-worn devices, e.g. non-medical devices
    • A61B5/6892—Mats

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Cardiology (AREA)
  • Physiology (AREA)
  • Engineering & Computer Science (AREA)
  • Public Health (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Medical Informatics (AREA)
  • Molecular Biology (AREA)
  • Surgery (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Pathology (AREA)
  • Veterinary Medicine (AREA)
  • Biophysics (AREA)
  • Pulmonology (AREA)
  • General Physics & Mathematics (AREA)
  • Light Guides In General And Applications Therefor (AREA)
  • Measuring And Recording Apparatus For Diagnosis (AREA)
  • Optical Transform (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
PL15868841.6T 2014-12-15 2015-01-26 Światłowodowa warstwa czujnikowa i układ jej monitorowania PL3263021T3 (pl)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201410775644.8A CN105769118B (zh) 2014-12-15 2014-12-15 光纤感应层及其监测系统
PCT/CN2015/071558 WO2016095324A1 (zh) 2014-12-15 2015-01-26 光纤感应层及其监测系统

Publications (1)

Publication Number Publication Date
PL3263021T3 true PL3263021T3 (pl) 2024-03-18

Family

ID=56125718

Family Applications (1)

Application Number Title Priority Date Filing Date
PL15868841.6T PL3263021T3 (pl) 2014-12-15 2015-01-26 Światłowodowa warstwa czujnikowa i układ jej monitorowania

Country Status (8)

Country Link
US (1) US10295379B2 (pl)
EP (1) EP3263021B1 (pl)
JP (1) JP6640109B2 (pl)
CN (1) CN105769118B (pl)
ES (1) ES2972083T3 (pl)
HU (1) HUE064557T2 (pl)
PL (1) PL3263021T3 (pl)
WO (1) WO2016095324A1 (pl)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP7011214B2 (ja) * 2017-08-31 2022-01-26 横河電機株式会社 光ファイバセンサ測定ユニット
US20200107779A1 (en) * 2018-10-05 2020-04-09 Chang Ming Yang Sensing system utilizing multifunctional fabric, method, and object
CN110403577B (zh) * 2019-08-05 2022-04-01 上海应用技术大学 基于光纤微弯压力感应的睡眠质量监测装置和方法
CN110558937B (zh) * 2019-08-16 2023-02-10 上海应用技术大学 一种智能枕头
CN110448282B (zh) * 2019-08-21 2021-11-09 武汉理工大学 一种光纤感应组件及生命体征监测装置
CN110558958B (zh) * 2019-08-21 2022-07-01 武汉凯锐普信息技术有限公司 一种基于光波模式选择的生命体征监测装置
CN110507295B (zh) * 2019-08-21 2022-03-08 武汉凯锐普信息技术有限公司 光纤感应组件及生命体征监测装置
CN110558956B (zh) * 2019-08-21 2022-03-08 武汉凯锐普信息技术有限公司 一种生命体征监测装置
CN111865405B (zh) * 2020-06-22 2021-08-06 中山水木光华电子信息科技有限公司 光纤编码的保护系统、方法、装置及存储介质
CN112294275B (zh) * 2020-10-26 2023-10-03 合肥健天电子有限公司 一种基于光纤传感器的生命体征监测系统及方法
EP4016036B1 (en) * 2020-12-17 2026-04-01 AP Sensing GmbH Optic distributed sensing in a blind region
CN116211262A (zh) * 2021-12-06 2023-06-06 Oppo广东移动通信有限公司 壳体、壳体的制备方法及电子设备
EP4220109B1 (en) * 2022-02-01 2026-04-01 Luxisens Technologies B.V. Optical fiber pressure sensor array or grid for location, vibration and/or motion sensing and mattress including the same
CN114858194B (zh) * 2022-04-15 2024-11-22 黑龙江大学 麻花形塑料光纤呼吸传感器及其制备方法
CN114894102B (zh) * 2022-05-24 2023-12-22 中铁第四勘察设计院集团有限公司 基于阵列光栅的盾构隧道结构监测系统及方法
CN115089136B (zh) * 2022-06-10 2025-02-07 福州闻心电子科技有限公司 人体特征采集装置、监测装置、系统、方法、设备
CN115363540B (zh) * 2022-07-19 2025-03-07 深圳市富斯光电科技有限公司 一种生命体征光纤传感单元、传感器及智能传感装置
CN117516420B (zh) * 2023-11-07 2025-06-03 东北石油大学 一种基于u形微纳光纤的弯曲角度光学测量装置
CN119055422B (zh) * 2024-08-27 2025-11-21 华中科技大学同济医学院附属同济医院 基于光纤传感的脊柱侧弯矫形器及其智能穿戴管理系统

Family Cites Families (41)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2130429C (en) * 1990-01-31 1998-07-14 Brytech Inc. Optical sensor displacement monitor
CN2106554U (zh) 1991-07-30 1992-06-10 程铿 双温电热毯
US5193129A (en) * 1991-09-27 1993-03-09 Rockwell International Corporation Pressure sensor utilizing microbending of a fiber optic cable woven through a ladder shaped structure
IL99773A (en) * 1991-10-17 1995-11-27 Israel State Pressure sensor
US5291013A (en) * 1991-12-06 1994-03-01 Alamed Corporation Fiber optical monitor for detecting normal breathing and heartbeat motion based on changes in speckle patterns
US5212379A (en) * 1991-12-06 1993-05-18 Alamed Corporation Fiber optical monitor for detecting motion based on changes in speckle patterns
FR2689234B1 (fr) * 1992-03-26 1994-07-01 Opto Ind Detecteur de pression a fibre optique perfectionne.
US5241300B1 (en) * 1992-04-24 1995-10-31 Johannes Buschmann Sids detection apparatus and methods
CN2284555Y (zh) 1996-10-23 1998-06-24 西莫株式会社 可以去除电磁波的电热寝具
US5868677A (en) * 1997-01-02 1999-02-09 Matsushita Electric Works, Ltd. Bioinstrumentation device for measuring a biological parameter
US5913245A (en) * 1997-07-07 1999-06-15 Grossman; Barry G. Flexible optical fiber sensor tapes, systems and methods
JP2001281469A (ja) * 2000-03-30 2001-10-10 Mitsubishi Cable Ind Ltd 光ファイバ配線板
US6607486B1 (en) * 2000-01-10 2003-08-19 Richard L. Watson Beltless fiber optic labor contraction sensing device
US6498652B1 (en) * 2000-02-08 2002-12-24 Deepak Varshneya Fiber optic monitor using interferometry for detecting vital signs of a patient
US6816266B2 (en) * 2000-02-08 2004-11-09 Deepak Varshneya Fiber optic interferometric vital sign monitor for use in magnetic resonance imaging, confined care facilities and in-hospital
JP2001350032A (ja) * 2000-06-05 2001-12-21 Fujikura Ltd フレキシブル光ファイバシート
JP3871874B2 (ja) * 2000-10-19 2007-01-24 財団法人鉄道総合技術研究所 光ファイバーひずみセンサーシート
US20030107487A1 (en) * 2001-12-10 2003-06-12 Ronen Korman Method and device for measuring physiological parameters at the wrist
JP3792174B2 (ja) * 2002-05-02 2006-07-05 株式会社巴川製紙所 光学接続部品
US20070010702A1 (en) * 2003-04-08 2007-01-11 Xingwu Wang Medical device with low magnetic susceptibility
US20050107870A1 (en) * 2003-04-08 2005-05-19 Xingwu Wang Medical device with multiple coating layers
JP2005099642A (ja) * 2003-09-26 2005-04-14 Fujikura Ltd 光ファイバシートの製造方法
JP2006343195A (ja) * 2005-06-08 2006-12-21 Saitama Prefecture 柔軟なセンサ部位を用いたすべり・転がり検出システム及び検出方法
JP2007064716A (ja) * 2005-08-30 2007-03-15 Hitachi Cable Ltd 衝突検知センサ
JP4554476B2 (ja) * 2005-08-30 2010-09-29 財団法人電力中央研究所 生体活動監視方法と、これに用いる光ファイバ式平板状体センサ
JP2008032522A (ja) * 2006-07-28 2008-02-14 Nitta Ind Corp 光ファイバを用いた触覚センサ
US20140163664A1 (en) * 2006-11-21 2014-06-12 David S. Goldsmith Integrated system for the ballistic and nonballistic infixion and retrieval of implants with or without drug targeting
US20100033711A1 (en) * 2006-12-28 2010-02-11 Sumitomo Electric Industries, Ltd. Method of measuring physical quantity of object to be measured, and method of controlling the same
JP5388309B2 (ja) * 2008-03-28 2014-01-15 公益財団法人北九州産業学術推進機構 複合薄膜及びそれを備えた雰囲気センサ並びに光導波路センサ
CN102361589B (zh) * 2009-03-25 2015-05-20 住友电气工业株式会社 光纤片和身体动作传感器
US20100279125A1 (en) * 2009-04-29 2010-11-04 Kent State University Film comprising substrate-free polymer dispersed liquid crystal; fiber, fabric, and device thereof; and methods thereof
SG178296A1 (en) * 2009-08-06 2012-03-29 Agency Science Tech & Res A vital signs detecting device and a method for detecting vital signs
WO2012118440A1 (en) * 2011-03-03 2012-09-07 Excelpoint Technology Limited A baby monitoring mat based on fiber optic sensor
JP2013015798A (ja) * 2011-07-04 2013-01-24 Nariyuki Mitachi 睡眠時無呼吸センサ用光ファイバシート
JP5324633B2 (ja) * 2011-10-05 2013-10-23 住友電気工業株式会社 光ファイバシート
US9360351B2 (en) * 2011-10-18 2016-06-07 Bekaert Textiles Nv Bed monitoring device
US9582035B2 (en) * 2014-02-25 2017-02-28 Medibotics Llc Wearable computing devices and methods for the wrist and/or forearm
US20160015271A1 (en) * 2014-07-18 2016-01-21 National Cheng Kung University Palpation diagnostic device
CN203970366U (zh) * 2014-07-22 2014-12-03 蓝珀医疗科技（苏州）有限公司 生命体征监测垫
US20160324431A1 (en) * 2014-12-04 2016-11-10 Ospicon Company Limited Flexible Optic Fiber Sensor Film, Mat Structure Comprising the same and Method of Use of the Mat Structure
CN204351804U (zh) * 2014-12-15 2015-05-27 汇嘉健康生活科技股份有限公司 光纤感应层及其监测系统

Also Published As

Publication number Publication date
JP6640109B2 (ja) 2020-02-05
EP3263021C0 (en) 2023-11-01
JP2018506698A (ja) 2018-03-08
EP3263021A4 (en) 2019-01-09
ES2972083T3 (es) 2024-06-11
CN105769118A (zh) 2016-07-20
EP3263021B1 (en) 2023-11-01
CN105769118B (zh) 2019-07-05
EP3263021A1 (en) 2018-01-03
US10295379B2 (en) 2019-05-21
HUE064557T2 (hu) 2024-03-28
WO2016095324A1 (zh) 2016-06-23
US20160349085A1 (en) 2016-12-01

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