KR20010040703A - 비침입식 혈액성분 측정방법과 장치 - Google Patents
비침입식 혈액성분 측정방법과 장치 Download PDFInfo
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- KR20010040703A KR20010040703A KR1020007008581A KR20007008581A KR20010040703A KR 20010040703 A KR20010040703 A KR 20010040703A KR 1020007008581 A KR1020007008581 A KR 1020007008581A KR 20007008581 A KR20007008581 A KR 20007008581A KR 20010040703 A KR20010040703 A KR 20010040703A
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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
- A61B5/6801—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
- A61B5/6843—Monitoring or controlling sensor contact pressure
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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
- A61B5/14535—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 haematocrit
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- A—HUMAN NECESSITIES
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- 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
- A61B5/1455—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 optical sensors, e.g. spectral photometrical oximeters
- A61B5/14551—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 optical sensors, e.g. spectral photometrical oximeters for measuring blood gases
- A61B5/14552—Details of sensors specially adapted therefor
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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
- A61B5/6801—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
- A61B5/6813—Specially adapted to be attached to a specific body part
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- A—HUMAN NECESSITIES
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- 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
- A61B5/683—Means for maintaining contact with the body
- A61B5/6838—Clamps or clips
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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
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- Measuring Pulse, Heart Rate, Blood Pressure Or Blood Flow (AREA)
Abstract
Description
Claims (21)
- 신체의 혈관 부분에서 피부경유검사를 받을 수 있도록 환자 신체 부분에서 혈액의 바람직한 생물학적 구성분 농도 및 펄스 방식의 혈류 흐름을 측정하는 방법에 있어서, 상기 방법은(a) 혈액이 흐르는 혈관을 혈관 수용기 내에 위치시키는 단계;(b) 상기 혈관 수용기 수단 내에 위치한 방사선 발생기를 사용하여 방사선을 혈관내의 혈류 속으로 지향시키고, 상기 방사선은 상기 혈관 내의 혈류속으로 향할 때,(A) 혈류에서 바람직한 생물학적 구성분 농도에 따라 변하는 첫번째 감쇠값을 갖고;(B) 혈류에서 바람직한 생물학적 구성분이 아닌 구성분의 농도에 따라 변하는 두번째 감쇠값을 가지며 두번째 감쇠값은 적어도 상기 첫번째 감쇠값보다 적어도 10배가 더 작은 방사선 파장에서 제1 방사선량을 포함하는 지향된 방사선을 규정하는 단계;(c) 상기 혈관 수용기 내에 위치한 방사선 검출기를 사용하여 혈관과 혈류를 통과하는 상기 지향된 방사선의 부분을 검출하고, 이 검출된 부분이 방사선 파장에 제2 방사선량을 포함하는 것으로된 단계;(d) 상기 혈관 수용기 내에 위치한 에너지변환기를 사용하여 혈관내의 혈류로부터 에너지를 검출하고, 상기 에너지는 혈액맥박의 정상화된 변화에 따른 변환에너지로 규정되는 단계; 및(e) 바람직한 생물학적 구성분 농도를 결정하기 위해서 제2 방사선량과 변환에너지에서만 배타적으로 조작하는 단계를 포함하는 것을 특징으로 하는 측정방법.
- 제 1 항에 있어서,제2 방사선량을 검출하는 단계는(a) 전체 방사선 파장의 강도를 결정하는 단계; 및(b) 펄스 동안에 정해진 시간 간격에서 방사선 파장의 펄스 구성분의 강도를 표시하는 방사선 파장 펄스값을 결정하는 단계를 포함하는 것을 특징으로 하는 측정방법.
- 제 1 항에 있어서,변환에너지를 검출하는 단계는(a) 변환에너지로부터 생성된 전자신호를 결정하는 단계; 및(b) 펄스 동안에 정해진 시간 간격에서 변환에너지의 펄스 구성분의 강도를 표시하는 변환에너지 펄스값을 결정하는 단계를 포함하는 것을 특징으로 하는 측정방법.
- 제 1 항에 있어서,환자의 바람직한 생물학적 구성분 농도를 결정하기 위해서 방사선 파장의 제2 방사선량에서만 배타적으로 조작을 수행하는 단계는(a) 펄스 강도의 시간 미분계수가 펄스 간격 동안에 평균 강도와 계속해서 σα/σt에 비례하는 값을 제공할 값의 거리 미분계수에 의해 정상화되도록 방사선 파장의 제2 방사선량을 수학연산하는 단계; 및(b) 강도의 로그값이 거리미분되어 α값을 제공하도록 방사선 파장의 제2 방사선량을 수학연산하는 단계를 포함하는 것을 특징으로하는 측정방법.
- 제 1 항에 있어서,변환에너지에서 배타적으로 조작하는 단계는 정상화된 펄스 변환된 에너지의 시간 미분계수를 수행하여 σXb/σt값을 획득하는 단계를 포함하는 것을 특징으로 하는 측정방법.
- 제 1 항에 있어서,제2 방사선량과 변환에너지에서 배타적으로 조작하는 단계는수학적으로 관계 Kb=B(ασα/σt)/(σXb/σt)를 다항 함수 혹은 실험적으로 결정된 값으로 해법을 구하는 단계를 포함하는 것을 특징으로 하는 측정방법.
- 제 1 항에 있어서,바람직한 생물학적 구성분은 헤마토크릿 또는 헤모글로빈을 포함하는 것을 특징으로 하는 측정방법.
- 제 1 항에 있어서,제1의 감쇠값은 실질적으로 옥시헤모글로빈과 혈류에서 환원된 헤모글로빈에 대해서는 같은 양이고 제2의 감쇠값은 혈류에서 경쟁 구성분에 대한 상기 제1의 감쇠값보다 적어도 10배 작은 것을 특징으로 하는 측정방법.
- 제 1 항에 있어서,방사선 파장은 790 나노미터 내지 850 나노미터의 범위인 것을 특징으로 하는 측정방법.
- 제 1 항에 있어서,방사선 파장은 550 나노미터 내지 600 나노미터의 범위인 것을 특징으로 하는 측정방법.
- 제 1 항에 있어서,에너지 변환수단은 압력 변환 요소, 구속 게이지 요소, 압전필름 요소 또는 도플러 감지 요소인 것을 특징으로 하는 측정방법.
- 신체의 혈관 부분에서 피부경유검사를 받을 수 있도록, 환자 신체 부분에서 혈액의 바람직한 생물학적 구성분 농도 및 펄스 방식의 혈류 흐름을 측정하는 방법에 있어서, 상기 방법은(a) 혈액이 흐르는 혈관을 혈관 수용기 내에 위치시키는 단계;(b) 상기 혈관 수용기 수단 내에 위치한 방사선 발생기를 사용하여 방사선이 혈관내의 혈류 속으로 지향시키고, 상기 지향된 방사선을 규정하는 방사선은(ⅰ) 혈관내의 혈류 속으로 향할 때 (A) 혈류에서 바람직한 생물학적 구성분 농도에 따라 변하는 제1 감쇠값을 갖고; (B) 혈류에서 바람직한 생물학적 구성분이 아닌 구성분의 농도에 따라 변하는 제2 감쇠값을 가지며 제2 감쇠값은 적어도 상기 제1 감쇠값보다 10배가 더 작은 방사선 파장에서의 제1 방사선량과,(ii) 혈관내의 혈류 속으로 향할 때 (A) 혈류에서 바람직한 혈액구성분의 농도를 변화시키기 위해 상기 제1 감쇠값의 복수배가 되는 제3 감쇠값을 갖고; (B) 혈류에서 바람직한 생물학적 구성분이 아닌 구성분의 농도에 따라 변하는 제4 감쇠값을 가지며 제4 감쇠값은 적어도 상기 제2 감쇠값보다 10배가 더 큰 것으로서 상기의 방사선 파장과 구별되는 제2 방사선 파장에서의 제1 방사선량을 포함하는 것으로된 단계;(c) 혈관 수용기 내에 위치한 방사선 검출기를 사용하여 혈관과 혈류를 통과하는 상기 지향된 방사선의 일부를 검출하고, 이 검출된 부분이(i) 제1 방사선 파장에서의 제2 방사선량 및(ii) 제2 방사선 파장에서의 제2 방사선량을 포함하는 것으로 된 단계;(d) 상기 혈관 수용기 내에 위치한 에너지변환기를 사용하여 혈관내의 혈류로부터 에너지를 검출하고, 상기 에너지는 혈액맥박의 정상화된 변화에 따른 변환에너지로 규정되는 단계; 및(e) 바람직한 생물학적 구성분 농도를 결정하기 위해서 제2 방사선량과 변환에너지에서만 배타적으로 조작하는 단계를 포함하는 것을 특징으로 하는 측정방법.
- 제 12 항에 있어서,변환된 에너지에서 배타적으로 작동하는 단계는σXb/σt값을 획득하기 위해서 청구항 19에 규정된 바와 같은 제2의 방사 파장의 정상 펄스 변환된 에너지의 시간 미분값을 수행하는 단계를 포함하는 것을 특징으로 하는 방법.
- 제 12 항에 있어서,방사의 제2의 양과 변환된 에너지에서 배타적으로 작동시키는 단계는 관계식 f(H)=G(ασα/σt)제1/(ασXb/σt)제 2를 다항 함수나 실험적으로 결정된 값을 해법을 구하는 단계를 포함하는 것을 특징으로 하는 방법.
- 신체의 혈관 부분에서 피부경유검사를 받을 수 있도록, 환자 신체 부분에서 혈액의 바람직한 생물학적 구성분 농도 및 펄스 방식의 혈류 흐름을 측정하는 방법에 있어서, 상기 방법은(a) 혈액이 흐르는 혈관을 혈관 수용기 내에 위치시키는 단계;(b) 상기 혈관 수용기 수단 내에 위치한 방사선 발생기를 사용하여 방사선이 혈관내의 혈류 속으로 지향시키고, 상기 지향된 방사선을 규정하는 방사선은 혈관내의 혈류 속으로 향할 때, (A) 혈류에서 바람직한 생물학적 구성분 농도에 따라 변하는 제1 감쇠값을 갖고; (B) 혈류에서 바람직한 생물학적 구성분이 아닌 구성분의 농도에 따라 변하는 제2 감쇠값을 가지며 제2 감쇠값은 적어도 상기 제1 감쇠값보다 10배가 더 작은 방사선 파장에서의 제1 방사선량을 포함하는 것으로 된 단계;(c) 혈관 수용기 내에 위치한 방사선 검출기를 사용하여 혈관과 혈류를 통과하는 상기 지향된 방사선의 일부를 검출하고, 이 검출된 부분이 방사선 파장에서의 제2 방사선량을 포함하는 것으로 된 단계;(d) 상기 혈관 수용기 내에 위치한 에너지변환기를 사용하여 혈관내의 혈류로부터 에너지를 검출하고, 상기 에너지는 혈액맥박의 정상화된 변화에 따른 변환에너지로 규정되는 단계; 및(e) 바람직한 생물학적 구성분 농도를 결정하기 위해서 제2 방사선량과 변환에너지에서만 배타적으로 조작하는 단계를 포함하는 것을 특징으로 하는 측정방법.
- 제 15 항에 있어서,변환에너지에서만 배타적으로 조작하는 단계는 Xb를 획득하기 위해서 혈관에 혈액이 충전된 후 다시 비워질 때의 변환에너지를 측정하는 단계를 포함하는 것을 특징으로 하는 측정방법.
- 제 16 항에 있어서,Xb를 결정하는 단계는 1-(Vo/Vf)를 상기 에너지 변환수단으로 해법을 구하여 달성될 수 있는 것을 특징으로 하는 측정방법.
- 제 17 항에 있어서,Vo/Vf를 결정하는 단계는 (Vo/Vf)-1를 압력 변환기 요소의 다항 함수로 풀어서 달성될 수 있는 것을 특징으로 하는 측정방법.
- 신체의 혈관 부분에서 피부경유검사를 받을 수 있도록, 환자 신체 부분에서 혈액의 바람직한 생물학적 구성분 농도 및 펄스 방식의 혈류 흐름을 측정하는 방법에 있어서, 상기 방법은(a) 혈액이 흐르는 혈관을 혈관 수용기 내에 위치시키는 단계;(b) 상기 혈관 수용기 수단 내에 위치한 방사선 발생기를 사용하여 방사선이 혈관내의 혈류 속으로 지향시키고, 상기 지향된 방사선을 규정하는 방사선은(ⅰ) 혈관내의 혈류 속으로 향할 때 (A) 혈류에서 바람직하지 않은 생물학적 구성분 농도에 따라 변하는 제5 감쇠값을 갖고; (B) 혈류에서 바람직한 생물학적 구성분의 농도에 따라 변하는 제6 감쇠값을 가지며 제2 감쇠값은 적어도 상기 제5 감쇠값보다 10배가 더 작은 방사선 파장에서의 제1 방사선량과,(ii) 혈관내의 혈류 속으로 향할 때 (A) 혈류에서 바람직하지 않은 혈액구성분의 농도를 변화시키기 위해 상기 제5 감쇠값의 복수배가 되는 제7 감쇠값을 갖고; (B) 혈류에서 바람직한 생물학적 구성분의 농도에 따라 변하는 제8 감쇠값을 가지며 제8 감쇠값은 적어도 상기 제6 감쇠값보다 5배가 더 큰 것으로서 상기의 방사선 파장과 구별되는 제2 방사선 파장에서의 제1 방사선량을 포함하는 것으로된 단계;(c) 혈관 수용기 내에 위치한 방사선 검출기를 사용하여 혈관과 혈류를 통과하는 상기 지향된 방사선의 일부를 검출하고, 이 검출된 부분이(i) 제1 방사선 파장에서의 제2 방사선량 및(ii) 제2 방사선 파장에서의 제2 방사선량을 포함하는 것으로 된 단계;(d) 상기 혈관 수용기 내에 위치한 에너지변환기를 사용하여 혈관내의 혈류로부터 에너지를 검출하고, 상기 에너지는 혈액맥박의 정상화된 변화에 따른 변환에너지로 규정되는 단계; 및(e) 바람직한 생물학적 구성분 농도를 결정하기 위해서 제2 방사선량과 변환에너지에서만 배타적으로 조작하는 단계를 포함하는 것을 특징으로 하는 측정방법.
- 신체의 혈관 부분에서 피부경유검사를 받을 수 있도록, 환자 신체 부분에서 혈액의 바람직한 생물학적 구성분 농도 및 펄스 방식의 혈류 흐름을 측정하는 방법에 있어서, 상기 방법은(a) 혈액이 흐르는 혈관을 혈관 수용기 내에 위치시키는 단계;(b) 상기 혈관 수용기 수단 내에 위치한 방사선 발생기를 사용하여 방사선이 혈관내의 혈류 속으로 지향시키고, 상기 지향된 방사선을 규정하는 방사선은 혈관내의 혈류 속으로 향할 때, (A) 혈류에서 바람직한 생물학적 구성분 농도에 따라 변하는 제1 감쇠값을 갖고; (B) 혈류에서 바람직한 생물학적 구성분이 아닌 구성분의 농도에 따라 변하는 제2 감쇠값을 가지며 제2 감쇠값은 적어도 상기 제1 감쇠값보다 10배가 더 작은 방사선 파장에서의 제1 방사선량을 포함하는 것으로 된 단계;(c) 혈관 수용기 내에 위치한 방사선 검출기를 사용하여 혈관과 혈류를 통과하는 상기 지향된 방사선의 일부를 검출하고, 이 검출된 부분이 방사선 파장에서의 제2 방사선량을 포함하는 것으로 된 단계;(d) 상기 혈관 수용기 내에 위치한 에너지변환기를 사용하여 혈관내의 혈류로부터 에너지를 검출하고, 상기 에너지는 혈액맥박의 정상화된 변화에 따른 변환에너지로 규정되는 단계; 및(e) 바람직한 생물학적 구성분 농도를 결정하기 위해서 제2 방사선량과 변환에너지에서만 배타적으로 조작하는 단계를 포함하는 것을 특징으로 하는 측정방법.
- 제 20 항에 있어서,환자의 바람직한 생물학적 구성분 농도를 결정하기 위해서 방사선 파장에서의 제2 방사선량만 배타적으로 조작하는 단계는(a) 펄스 강도의 시간 미분계수가 펄스간격 동안의 평균강도와 계속해서 σα/σt에 비례하는 값을 생성할 양의 거리 미분계수에 의해 정상화되도록 제2 방사선량을 수학적으로 연산처리하는 단계;(b) 강도의 로그값을 거리 미분처리하여 α값을 생성하도록 방사선파장의 제2 방사선량을 수학적으로 연산처리 하는 단계;(c) 강도 및 (σⅰ/σt)/ⅰ값 대 거리의 로그값의 선형성 및 편차를 수학적으로 결정하는 단계; 및(d) 균질성이 확실한 α, σα/σt, σXb/σt 값으로부터 각 구성 흡수력 및 분산계수를 수학적으로 분리, 격리 및 결정하는 단계를 포함하는 것을 특징으로 하는 측정방법.
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| KR (1) | KR100472736B1 (ko) |
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| AU (1) | AU2660699A (ko) |
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- 1999-02-05 AT AT99906774T patent/ATE416668T1/de not_active IP Right Cessation
- 1999-02-05 KR KR10-2000-7008581A patent/KR100472736B1/ko not_active Expired - Fee Related
- 1999-02-05 WO PCT/US1999/002586 patent/WO1999039631A1/en not_active Ceased
- 1999-02-05 US US09/244,756 patent/US6181958B1/en not_active Expired - Lifetime
- 1999-02-05 DE DE69940053T patent/DE69940053D1/de not_active Expired - Lifetime
- 1999-02-05 CA CA002319480A patent/CA2319480C/en not_active Expired - Fee Related
- 1999-02-05 JP JP2000530139A patent/JP2002501803A/ja active Pending
- 1999-02-05 AU AU26606/99A patent/AU2660699A/en not_active Abandoned
-
2001
- 2001-01-30 US US09/771,596 patent/US6671528B2/en not_active Expired - Fee Related
-
2003
- 2003-12-12 US US10/733,236 patent/US6873865B2/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100455289B1 (ko) * | 2002-03-16 | 2004-11-08 | 삼성전자주식회사 | 빛을 이용한 진단방법 및 장치 |
| KR100686659B1 (ko) * | 2004-02-19 | 2007-02-27 | 너스킨 인터어내셔날 인코포레이팃드 | 바이오 광 피드백 제어 장치 및 방법 |
| KR100871074B1 (ko) * | 2007-02-01 | 2008-11-28 | 삼성전자주식회사 | 비침습형 혈당 측정 장치 및 그 방법 |
| US8306593B2 (en) | 2007-02-01 | 2012-11-06 | Samsung Electronics Co., Ltd. | Noninvasive apparatus and method for measuring blood sugar concentration |
| KR100978907B1 (ko) * | 2008-03-06 | 2010-08-31 | (주)참케어 | 산소포화도 측정기 |
Also Published As
| Publication number | Publication date |
|---|---|
| EP1052930B1 (en) | 2008-12-10 |
| DE69940053D1 (de) | 2009-01-22 |
| AU2660699A (en) | 1999-08-23 |
| CA2319480C (en) | 2005-01-18 |
| CA2319480A1 (en) | 1999-08-12 |
| US20040127779A1 (en) | 2004-07-01 |
| JP2002501803A (ja) | 2002-01-22 |
| US6181958B1 (en) | 2001-01-30 |
| US20010039376A1 (en) | 2001-11-08 |
| WO1999039631A1 (en) | 1999-08-12 |
| US6671528B2 (en) | 2003-12-30 |
| EP1052930A4 (en) | 2003-03-12 |
| EP1052930A1 (en) | 2000-11-22 |
| ATE416668T1 (de) | 2008-12-15 |
| KR100472736B1 (ko) | 2005-03-08 |
| US6873865B2 (en) | 2005-03-29 |
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