JPH10510440A - 仮想トリガを使用する心拍同期化用パルス酸素計 - Google Patents
仮想トリガを使用する心拍同期化用パルス酸素計Info
- Publication number
- JPH10510440A JPH10510440A JP7511845A JP51184595A JPH10510440A JP H10510440 A JPH10510440 A JP H10510440A JP 7511845 A JP7511845 A JP 7511845A JP 51184595 A JP51184595 A JP 51184595A JP H10510440 A JPH10510440 A JP H10510440A
- Authority
- JP
- Japan
- Prior art keywords
- signal
- heart rate
- virtual trigger
- frequency
- trigger
- 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.)
- Granted
Links
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
- A61B5/1455—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
-
- 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
- A61B5/7235—Details of waveform analysis
- A61B5/7239—Details of waveform analysis using differentiation including higher order derivatives
Landscapes
- Health & Medical Sciences (AREA)
- Physics & Mathematics (AREA)
- Life Sciences & Earth Sciences (AREA)
- Biomedical Technology (AREA)
- Medical Informatics (AREA)
- Biophysics (AREA)
- Pathology (AREA)
- Engineering & Computer Science (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Heart & Thoracic Surgery (AREA)
- Optics & Photonics (AREA)
- Molecular Biology (AREA)
- Surgery (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
- Measuring Pulse, Heart Rate, Blood Pressure Or Blood Flow (AREA)
Abstract
Description
Claims (1)
- 【特許請求の範囲】 1.周期的な生態活動からの第一の信号を発生させる手段と、 前記周期的生態活動に相当する周波数を有する第二の信号を受信する手段と、 前記周波数を有する仮想トリガを生成する手段を有し、前記仮想トリガは前記 第二の信号の前記周波数以外の種々の特性にも相応して形成され、 さらに前記仮想トリガによって設定される周期内において前記第一の信号を処 理する手段とからなる装置。 2.前記第一の信号がパルス酸素計信号であり、前記第二の信号が心拍数周波数 を示す心拍数信号である請求項1記載の装置。 3.前記心拍数信号が周期的信号であり、さらに前記周期的信号を前記心拍数周 波数の表示に変換する手段を備える請求項2記載の装置。 4.前記心拍数信号は患者の前記パルス酸素計信号とは異なった部位から検出さ れる請求項2記載の装置。 5.前記処理手段が前記複数の周期からの前記第一の信号内の周期情報を増大す る請求項1記載の装置。 6.患者の血液流内の光吸収に応じた酸素計信号を生成する酸素計手段と、 前記患者の心拍数に相当する周波数を有する心拍数信号を受信する手段と、 前記周波数を有する仮想トリガを生成する手段を有し、前記仮想トリガは前記 周波数以外に前記患者の前記心拍数に相当する波形の特性にも応じて形成され、 さらに、前記仮想トリガによって設定される周期内において前記酸素計信号を 処理する手段を備えるパルス酸素計。 7.前記心拍数信号がドップラー超音波、血圧、インピーダンス・イメージング および音響検出のいずれかによって形成される請求項6記載の酸素計。 8.周期的な生態活動からの第一の信号を生成し、 前記周期的生態活動に相当する周波数を有する第二の信号を受信し、 前記周波数を有する仮想トリガを生成し、前記仮想トリガは前記第二の信号の 前記周波数以外の種々の特性にも相応して形成され、 さらに前記仮想トリガによって設定される周期内において前記第一の信号を処 理する方法。 9.前記第一の信号がパルス酸素計信号であり、前記第二の信号が心拍数周波数 を示す心拍数信号である請求項8記載の方法。 10.患者の血液流内の光吸収に応じた酸素計信号を生成し、 前記患者の心拍数に相当する周波数を有する心拍数信号を受信し、 前記周波数を有する仮想トリガを生成し、前記仮想トリガは前記周波数以外に 前記患者の前記心拍数に相当する波形の特性にも応じて形成され、 さらに、前記仮想トリガによって設定される周期内において前記酸素計信号を 処理する方法。 11.前記心拍数信号がドップラー超音波、血圧、インピーダンス・イメージン グおよび音響検出のいずれかによって形成される請求項10記載の方法。
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US08/134,572 | 1993-10-08 | ||
| US08/134,572 US5485847A (en) | 1993-10-08 | 1993-10-08 | Pulse oximeter using a virtual trigger for heart rate synchronization |
| PCT/US1994/010979 WO1995010222A1 (en) | 1993-10-08 | 1994-09-28 | Pulse oximeter using a virtual trigger for heart rate synchronization |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH10510440A true JPH10510440A (ja) | 1998-10-13 |
| JP3559284B2 JP3559284B2 (ja) | 2004-08-25 |
Family
ID=22463973
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP51184595A Expired - Fee Related JP3559284B2 (ja) | 1993-10-08 | 1994-09-28 | 仮想トリガを使用する心拍同期化用パルス酸素計 |
Country Status (7)
| Country | Link |
|---|---|
| US (2) | US5485847A (ja) |
| EP (1) | EP0727960B1 (ja) |
| JP (1) | JP3559284B2 (ja) |
| AU (1) | AU7845794A (ja) |
| CA (1) | CA2173596C (ja) |
| DE (1) | DE69432222T2 (ja) |
| WO (1) | WO1995010222A1 (ja) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007527771A (ja) * | 2004-03-08 | 2007-10-04 | ネルコアー ピューリタン ベネット インコーポレイテッド | 酸素飽和および心拍数のための個別の集団平均を用いるパルス酸素濃度計 |
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1993
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1994
- 1994-09-28 DE DE69432222T patent/DE69432222T2/de not_active Expired - Lifetime
- 1994-09-28 JP JP51184595A patent/JP3559284B2/ja not_active Expired - Fee Related
- 1994-09-28 CA CA002173596A patent/CA2173596C/en not_active Expired - Fee Related
- 1994-09-28 EP EP94929375A patent/EP0727960B1/en not_active Expired - Lifetime
- 1994-09-28 AU AU78457/94A patent/AU7845794A/en not_active Abandoned
- 1994-09-28 WO PCT/US1994/010979 patent/WO1995010222A1/en not_active Ceased
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007527771A (ja) * | 2004-03-08 | 2007-10-04 | ネルコアー ピューリタン ベネット インコーポレイテッド | 酸素飽和および心拍数のための個別の集団平均を用いるパルス酸素濃度計 |
Also Published As
| Publication number | Publication date |
|---|---|
| CA2173596C (en) | 2005-03-15 |
| DE69432222D1 (de) | 2003-04-10 |
| EP0727960A1 (en) | 1996-08-28 |
| JP3559284B2 (ja) | 2004-08-25 |
| WO1995010222A1 (en) | 1995-04-20 |
| US5485847A (en) | 1996-01-23 |
| DE69432222T2 (de) | 2003-12-11 |
| EP0727960B1 (en) | 2003-03-05 |
| US5743263A (en) | 1998-04-28 |
| CA2173596A1 (en) | 1995-04-20 |
| AU7845794A (en) | 1995-05-04 |
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