JP4575155B2 - 感圧部材、及び、ベッド使用者監視システム - Google Patents
感圧部材、及び、ベッド使用者監視システム Download PDFInfo
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- JP4575155B2 JP4575155B2 JP2004520248A JP2004520248A JP4575155B2 JP 4575155 B2 JP4575155 B2 JP 4575155B2 JP 2004520248 A JP2004520248 A JP 2004520248A JP 2004520248 A JP2004520248 A JP 2004520248A JP 4575155 B2 JP4575155 B2 JP 4575155B2
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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
- A61B5/68—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
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/103—Detecting, measuring or recording 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, mobility of a limb
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/44—Detecting, measuring or recording for evaluating the integumentary system, e.g. skin, hair or nails
- A61B5/441—Skin evaluation, e.g. for skin disorder diagnosis
- A61B5/447—Skin evaluation, e.g. for skin disorder diagnosis specially adapted for aiding the prevention of ulcer or pressure sore development, i.e. before the ulcer or sore has developed
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
- G08B21/02—Alarms for ensuring the safety of persons
- G08B21/04—Alarms for ensuring the safety of persons responsive to non-activity, e.g. of elderly persons
- G08B21/0438—Sensor means for detecting
- G08B21/0446—Sensor means for detecting worn on the body to detect changes of posture, e.g. a fall, inclination, acceleration, gait
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
- G08B21/02—Alarms for ensuring the safety of persons
- G08B21/04—Alarms for ensuring the safety of persons responsive to non-activity, e.g. of elderly persons
- G08B21/0438—Sensor means for detecting
- G08B21/0453—Sensor means for detecting worn on the body to detect health condition by physiological monitoring, e.g. electrocardiogram, temperature, breathing
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
- G08B21/02—Alarms for ensuring the safety of persons
- G08B21/04—Alarms for ensuring the safety of persons responsive to non-activity, e.g. of elderly persons
- G08B21/0438—Sensor means for detecting
- G08B21/0461—Sensor means for detecting integrated or attached to an item closely associated with the person but not worn by the person, e.g. chair, walking stick, bed sensor
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
- G08B21/18—Status alarms
- G08B21/22—Status alarms responsive to presence or absence of persons
-
- 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
- A61B2562/0233—Special features of optical sensors or probes classified in A61B5/00
-
- 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
- A61B2562/04—Arrangements of multiple sensors of the same type
- A61B2562/046—Arrangements of multiple sensors of the same type in a matrix array
-
- 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
- A61B2562/22—Arrangements of medical sensors with cables or leads; Connectors or couplings specifically adapted for medical sensors
- A61B2562/221—Arrangements of sensors with cables or leads, e.g. cable harnesses
- A61B2562/223—Optical cables therefor
-
- 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 pulse, heart rate, blood pressure or blood flow; Combined pulse/heart-rate/blood pressure determination; Evaluating a cardiovascular condition not otherwise provided for, e.g. using combinations of techniques provided for in this group with electrocardiography or electroauscultation; Heart catheters for measuring blood pressure
- 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
- A61B5/103—Detecting, measuring or recording 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, 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
- A61B5/103—Detecting, measuring or recording 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, mobility of a limb
- A61B5/113—Measuring movement of the entire body or parts thereof, e.g. head or hand tremor, mobility of a limb occurring during breathing
-
- 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
- A61B5/7239—Details of waveform analysis using differentiation including higher order derivatives
Description
複数の光ファイバー対は、一方向に延在していると共に、一方向と直交する方向に並列に配置された複数の光ファイバー群を構成しており、各光ファイバー群は、2以上の光ファイバー対からなり、直交する方向に関して、互いに隣り合う2つの光ファイバー群同士の離隔距離は、各光ファイバー群内における互いに隣り合う2つの光ファイバー対同士の離隔距離よりも大きくてもよい。
各光ファイバー群に属する2以上の光ファイバー対は、それぞれに係る当該2本の光ファイバーの端部が一方向に関して一直線上に等間隔に並ぶように配置されていてもよい。
本発明のベッド使用者監視システムは、(a)ベッド使用者を支持する支持部材に配置される請求項1〜3のいずれか一項に記載の感圧部材と、(b)複数の圧力センサに波エネルギーを供給するため複数の圧力センサに接続された少なくとも1つの波エネルギー供給源と、(c)光学的圧力信号を電気的圧力信号に変換するため複数の圧力センサに接続された少なくとも1つの波エネルギー検出器と、を備えており、一対の光ファイバーは、波エネルギー供給源に接続された入力ファイバーと波エネルギー検出器に接続された出力ファイバーとを備えている。
感圧部材は、支持部材の上又は中に配置されていてもよい。
2 インターフェース電子機器
3 表示デバイス
4 支持部材
5 圧力センサ
6 ベッド使用者
7 ベッド使用者監視システム
8 信号伝送体,光ファイバー群
9 上層
10 下層
13 マットレス
14 出力ファイバー
15 入力ファイバー
21,23 側群
22 中央群
30 発光ダイオード
31 発光ダイオード駆動回路
32 マイクロプロセッサ
33 光検出器
Claims (8)
- 上部発泡層と、下部発泡層と、複数の光ファイバー対とを備えた感圧部材であって、
各光ファイバー対は、当該2本の光ファイバーが互いに隣り合っていると共に、端部同士が前記上部発泡層と前記下部発泡層との間において互いに近接しており、
各光ファイバー対に係る2本の光ファイバーの前記端部近傍には、付加される圧力に応じた強度の光学的圧力信号を供給する圧力センサが構成されており、
各光ファイバー対には、前記上部発泡層と前記下部発泡層との間において正弦曲線状に配置されている領域があり、
前記複数の光ファイバー対の端部は二次元的に分布していることを特徴とする感圧部材。 - 前記複数の光ファイバー対は、一方向に延在していると共に、前記一方向と直交する方向に並列に配置された複数の光ファイバー群を構成しており、
各光ファイバー群は、2以上の前記光ファイバー対からなり、
前記直交する方向に関して、互いに隣り合う2つの前記光ファイバー群同士の離隔距離は、各光ファイバー群内における互いに隣り合う2つの前記光ファイバー対同士の離隔距離よりも大きいことを特徴とする請求項1に記載の感圧部材。 - 各光ファイバー群に属する前記2以上の光ファイバー対は、それぞれに係る当該2本の光ファイバーの前記端部が前記一方向に関して一直線上に等間隔に並ぶように配置されていることを特徴とする請求項2に記載の感圧部材。
- (a)ベッド使用者を支持する支持部材に配置される請求項1〜3のいずれか一項に記載の感圧部材と、
(b)前記複数の圧力センサに波エネルギーを供給するため前記複数の圧力センサに接続された少なくとも1つの波エネルギー供給源と、
(c)前記光学的圧力信号を電気的圧力信号に変換するため前記複数の圧力センサに接続された少なくとも1つの波エネルギー検出器と、を備えており、
前記一対の光ファイバーは、前記波エネルギー供給源に接続された入力ファイバーと前記波エネルギー検出器に接続された出力ファイバーとを備えていることを特徴とするベッド使用者監視システム。 - 前記感圧部材は、前記支持部材の上又は中に配置されていることを特徴とする請求項4に記載のベッド使用者監視システム。
- 前記支持部材がマットレスを備え、前記感圧部材の上面が前記マットレスの上面と同一平面上になるように、前記感圧部材が前記マットレスの上面近傍に形成された凹部内に配置されている、請求項4に記載のベッド使用者監視システム。
- 前記圧力センサを周辺光から遮蔽するための不透明な被覆材料をさらに備えている、請求項4に記載のベッド使用者監視システム。
- 前記感圧部材と前記インターフェース電子機器との間にある前記光ファイバーを被覆する保護鞘をさらに備えている、請求項4に記載のベッド使用者監視システム。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CA002393880A CA2393880A1 (en) | 2002-07-17 | 2002-07-17 | Bed occupant monitoring system |
PCT/CA2003/001081 WO2004006768A1 (en) | 2002-07-17 | 2003-07-17 | Bed occupant monitoring system |
Publications (3)
Publication Number | Publication Date |
---|---|
JP2005532854A JP2005532854A (ja) | 2005-11-04 |
JP2005532854A5 JP2005532854A5 (ja) | 2008-04-24 |
JP4575155B2 true JP4575155B2 (ja) | 2010-11-04 |
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2004520248A Expired - Fee Related JP4575155B2 (ja) | 2002-07-17 | 2003-07-17 | 感圧部材、及び、ベッド使用者監視システム |
Country Status (6)
Country | Link |
---|---|
US (2) | US20060152378A1 (ja) |
EP (1) | EP1538984A1 (ja) |
JP (1) | JP4575155B2 (ja) |
AU (1) | AU2003249811A1 (ja) |
CA (1) | CA2393880A1 (ja) |
WO (1) | WO2004006768A1 (ja) |
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CA2393880A1 (en) | 2004-01-17 |
AU2003249811A1 (en) | 2004-02-02 |
WO2004006768A1 (en) | 2004-01-22 |
EP1538984A1 (en) | 2005-06-15 |
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