KR100903172B1 - 호흡신호를 무선으로 감지하기 위한 방법 및 이를 수행하기 위한 장치 - Google Patents
호흡신호를 무선으로 감지하기 위한 방법 및 이를 수행하기 위한 장치 Download PDFInfo
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- KR100903172B1 KR100903172B1 KR1020070054379A KR20070054379A KR100903172B1 KR 100903172 B1 KR100903172 B1 KR 100903172B1 KR 1020070054379 A KR1020070054379 A KR 1020070054379A KR 20070054379 A KR20070054379 A KR 20070054379A KR 100903172 B1 KR100903172 B1 KR 100903172B1
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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
- A61B5/08—Measuring devices for evaluating the respiratory organs
- A61B5/091—Measuring volume of inspired or expired gases, e.g. to determine lung capacity
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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
- A61B5/103—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
- A61B5/113—Measuring movement of the entire body or parts thereof, e.g. head or hand tremor or mobility of a limb occurring during breathing
- A61B5/1135—Measuring movement of the entire body or parts thereof, e.g. head or hand tremor or mobility of a limb occurring during breathing by monitoring thoracic expansion
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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
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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
- A61B5/0002—Remote monitoring of patients using telemetry, e.g. transmission of vital signals via a communication network
- A61B5/0015—Remote monitoring of patients using telemetry, e.g. transmission of vital signals via a communication network characterised by features of the telemetry system
- A61B5/002—Monitoring the patient using a local or closed circuit, e.g. in a room or building
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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
- A61B5/08—Measuring devices for evaluating the respiratory organs
-
- 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
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
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- Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
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Abstract
Description
Claims (9)
- 피검자의 하의에 장착된 전도성 고무 재질의 고무줄 허리띠에서 측정된 호흡과정에서의 복부 둘레의 변화에 따른 전기 저항 변화를 전압 신호로 변환시키고, 상기 전압 신호를 A/D 변환시키며, 변환된 디지털 신호를 지그비 무선 통신 프로토콜을 이용하여 무선으로 근거리 송신하는 호흡신호 측정 및 무선송신단계; 그리고,상기 무선으로 송신된 호흡신호를 수신하여 직렬통신포트인 RS232포트를 통해 컴퓨터장치에 유선 전송하여, 검사자가 화면상으로 호흡신호를 모니터하는 호흡신호 수신 및 모니터링 단계를 포함하는 호흡신호를 무선으로 감지하기 위한 방법.
- 삭제
- 제 1 항에 있어서, 상기 호흡신호 측정 및 무선송신단계에서 고무줄 허리띠는 휘스톤 브릿지회로를 구성하는 4개의 저항중 하나로 동작하도록 형성하여 상기 고무줄 허리띠의 전기 저항 변화를 전압 신호로 변환시키는 것을 특징으로 하는 호흡신호를 무선으로 감지하기 위한 방법.
- 제 1 항 또는 제 3항에 있어서, 상기 호흡신호 측정 및 무선송신단계에서 상기 고무줄 허리띠의 전기 저항 변화에 따라 변환된 전압 신호는 차동증폭회로를 통하여 증폭되고, 저역 통과 필터회로를 통하여 고대역의 잡음을 최소화시킨 호흡신호에 해당하는 전압신호임을 특징으로 하는 호흡신호를 무선으로 감지하기 위한 방법.
- 제 1 항에 있어서, 상기 호흡신호 수신 및 모니터링 단계전에 피검자 개인별로 CO2 흡입실험을 1회 시행하여 상기 피검자의 복부 호흡 신호-일회용적간의 상관관계를 분석하여 교정식(regression line)을 산출한 후, 상기 호흡신호 측정 및 무선송신단계에서 측정된 호흡신호를 교정식에 대입하여 호흡용적을 측정하는 교정과정(calibration procedure)을 수행하는 것을 특징으로 하는 호흡신호를 무선으로 감지하기 위한 방법.
- 피검자의 하의에 허리띠를 대신하여 장착되며 전도성 입자가 포함된 고무 재질의 고무줄 허리띠(110)의 양단에 접속되어 전선 연결이 가능한 컨넥터(112);상기 컨넥터(112)와 전기적으로 접속되며, 상기 고무줄 허리띠(110)에서 측정된 호흡과정에서의 복부 둘레의 변화에 따른 전기 저항 변화를 전압 신호로 변환시키고, 상기 전압 신호를 A/D 변환시키며, 변환된 디지털 신호를 지그비 무선 통신 프로토콜을 이용하여 무선으로 근거리 송신하기 위한 무선송신장치(120);상기 무선 송신 장치(120)의 지그비 무선 프로토콜을 이용하여 무선 송신된 호흡신호를 수신안테나(131)를 통하여 지그비 수신회로(132)로 입력받아 직렬정보로 변환시켜 RS-232포트를 통해 출력시키기 위한 무선수신장치(130);상기 무선수신장치(130)에서 입력된 호흡신호와 진단매개변수들을 연산하여 모니터 화면(134)을 통하여 출력함으로서 호흡모니터링을 수행하도록 하기 위한 호흡신호를 무선으로 감지하기 위한 장치.
- 제 6 항에 있어서, 상기 무선송신장치(120)는 상기 고무줄 허리띠(110)가 하나의 저항으로 동작하도록 구성되어 상기 고무줄 허리띠(110)의 전기 저항 변화값을 전압신호로 변환시키는 휘스톤 브릿지회로(122);상기 휘스톤 브릿지 회로(122)에서 출력된 전압신호를 하나의 전압신호로 증폭하여 출력시키기 위한 차동증폭회로(124);상기 차동증폭회로(124)를 통하여 증폭된 전압신호에서 저대역의 신호만을 통과시켜 고대역의 잡음을 최소화하는 호흡신호에 해당하는 전압신호를 추출하기 위한 저역 통과 필터 회로(125);상기 저역 통과 필터 회로(125)에서 출력된 호흡신호를 디지털 신호로 변환시키기 위한 A/D변환회로(126);상기 A/D변환회로(126)에서 출력되는 디지털 신호를 지그비 프로토콜을 이용하여 송신 안테나(128)를 통해 근거리 무선 송신시키기 위한 지그비(Zigbee)송신회로(127)를 포함하는 것을 특징으로 하는 호흡신호를 무선으로 감지하기 위한 장치.
- 제 6 항 또는 제 7항에 있어서, 상기 무선송신장치(120)는 피검자 상의 주머니 또는 하의 주머니(121)에 휴대하도록 구성되는 것을 특징으로 하는 호흡신호를 무선으로 감지하기 위한 장치.
- 제 6 항에 있어서, 상기 무선송신장치(120)에서 상기 A/D 변환회로(126)와 지그비 송신회로(127)는 상용화된 반도체 칩(chip)을 이용하여 구현되는 것을 특징으로 하는 호흡신호를 무선으로 감지하기 위한 장치.
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
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KR1020070054379A KR100903172B1 (ko) | 2007-06-04 | 2007-06-04 | 호흡신호를 무선으로 감지하기 위한 방법 및 이를 수행하기 위한 장치 |
US11/879,999 US7828742B2 (en) | 2007-06-04 | 2007-07-19 | Method and system of monitoring respiratory signal by radio |
US12/728,326 US20100249632A1 (en) | 2007-06-04 | 2010-03-22 | Method and system of monitoring respiratory signal by radio |
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KR1020070054379A KR100903172B1 (ko) | 2007-06-04 | 2007-06-04 | 호흡신호를 무선으로 감지하기 위한 방법 및 이를 수행하기 위한 장치 |
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KR20080106669A KR20080106669A (ko) | 2008-12-09 |
KR100903172B1 true KR100903172B1 (ko) | 2009-06-17 |
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KR1020070054379A Expired - Fee Related KR100903172B1 (ko) | 2007-06-04 | 2007-06-04 | 호흡신호를 무선으로 감지하기 위한 방법 및 이를 수행하기 위한 장치 |
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KR100903172B1 (ko) * | 2007-06-04 | 2009-06-17 | 충북대학교 산학협력단 | 호흡신호를 무선으로 감지하기 위한 방법 및 이를 수행하기 위한 장치 |
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US20100249632A1 (en) | 2010-09-30 |
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