JPH10500027A - 振幅独立出力を有する医療用センサ - Google Patents
振幅独立出力を有する医療用センサInfo
- Publication number
- JPH10500027A JPH10500027A JP7516779A JP51677995A JPH10500027A JP H10500027 A JPH10500027 A JP H10500027A JP 7516779 A JP7516779 A JP 7516779A JP 51677995 A JP51677995 A JP 51677995A JP H10500027 A JPH10500027 A JP H10500027A
- Authority
- JP
- Japan
- Prior art keywords
- signal
- sensor
- frequency
- current
- light
- 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.)
- Pending
Links
Classifications
-
- 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, pH value; Measuring characteristics of body fluids or tissues, e.g. interstitial fluid, cerebral tissue
- A61B5/1455—Measuring characteristics of blood in vivo, e.g. gas concentration, pH value; Measuring characteristics of body fluids or tissues, e.g. interstitial fluid, cerebral tissue using optical sensors, e.g. spectral photometrical oximeters
- A61B5/14551—Measuring characteristics of blood in vivo, e.g. gas concentration, pH value; Measuring characteristics of body fluids or tissues, e.g. interstitial fluid, 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
- A61B5/0002—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
- A61B5/0017—Remote monitoring of patients using telemetry, e.g. transmission of vital signals via a communication network characterised by features of the telemetry system transmitting optical signals
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Health & Medical Sciences (AREA)
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- General Health & Medical Sciences (AREA)
- Pathology (AREA)
- Veterinary Medicine (AREA)
- Public Health (AREA)
- Heart & Thoracic Surgery (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- Surgery (AREA)
- Animal Behavior & Ethology (AREA)
- Biophysics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Optics & Photonics (AREA)
- Computer Networks & Wireless Communication (AREA)
- Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
Abstract
Description
Claims (1)
- 【特許請求の範囲】 1.パルス酸素計センサであって、 第1の波長の光を放出するための第1の光エミッタ、 第2の波長の光を放出するための第2の光エミッタ、 前記第1及び第2の光エミッタのパルスを交番して送ることのできる、前記第 1及び第2の光エミッタのための制御入力、 前記第1及び第2の光エミッタから受信した光に対応するアナログ電流信号を 発生するための光電検出器、及び 前記アナログ電流信号を送信のための少なくとも1個の周波数信号に変換する ための、前記光電検出器に接続した電流-周波数コンバータ、 から成るセンサ。 2.請求項1記載のセンサであって、 前記光検出器及び電流-周波数コンバータが単一の半導体チップに集積され、 さらに、前記電流-周波数コンバータに接続される自動利得制御回路から成り 、前記電流-周波数コンバータの公称出力周波数を制御する、 ところのセンサ。 3.請求項1記載のセンサであって、 前記周波数信号が、変化する周波数のデジタルパルス列である、 ところのセンサ。 4.請求項1記載のセンサであって、 さらに、当該センサに接続される酸素計から成り、 前記酸素計が、 入力を有するマイクロプロセッサ、 前記マイクロプロセッサの入力に接続される入力バス、及び 前記入力バスへの前記周波数信号に対応する入力信号を選択的に与えるための 、前記入力バスに接続される入力手段、から成る、 ところのセンサ。 5.請求項1記載のセンサであって、 前記酸素計が、さらに、当該センサの前記制御入力へのパルス信号を生成する ための手段を含む、 ところのセンサ。 6.血液特性に対応するアナログ信号を発生するための変換器を有するセンサと ともに使用するモジュールであって、 前記アナログ信号を受信するための入力ライン、 前記アナログ信号を、送信のための振幅独立形状で送信信 号に変換するための手段、及び 前記送信信号を送信するための出力ライン、 から成るモジュール。 7.請求項1記載のモジュールであって、 前記アナログ信号が電気的電流であり、変換するための前記手段が電流-周波 数コンバータである、 ところのモジュール。 8.請求項1記載のモジュールであって、 前記変換器が光検出器であり、 前記センサが、 第1の波長で光を生成するための第1の光エミッタ、 第2の波長で光を生成するための第2の光エミッタ、 前記送信信号を受信し処理するための分析システム、及び 当該モジュールを前記システムに接続する送信媒体、 から成る、 ところのモジュール。 9.請求項1記載のモジュールであって、 前記変換器及び変換するための前記手段が、単一の半導体チップに集積される 光-周波数コンバータである、 ところのモジュール。 10.血液特性検出方法であって、 センサで前記血液特性に対応するアナログ信号を発生する工程、及び 前記アナログ信号を、送信のための振幅独立形状で送信信号に変換する工程、 から成る血液特性検出方法。 11.請求項10記載の血液特性検出方法であって、 さらに、 患者の細胞を通過した後、検出のために第1の波長で光を生成する工程、及び 第2の波長で光を生成する工程、 から成る血液特性検出方法。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/169,093 US5560355A (en) | 1993-12-17 | 1993-12-17 | Medical sensor with amplitude independent output |
US08/169,093 | 1993-12-17 | ||
PCT/US1994/013586 WO1995016388A1 (en) | 1993-12-17 | 1994-11-22 | Medical sensor with amplitude independent output |
Publications (1)
Publication Number | Publication Date |
---|---|
JPH10500027A true JPH10500027A (ja) | 1998-01-06 |
Family
ID=22614240
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP7516779A Pending JPH10500027A (ja) | 1993-12-17 | 1994-11-22 | 振幅独立出力を有する医療用センサ |
Country Status (7)
Country | Link |
---|---|
US (3) | US5560355A (ja) |
EP (1) | EP0734223B1 (ja) |
JP (1) | JPH10500027A (ja) |
AU (1) | AU692502B2 (ja) |
CA (2) | CA2589039A1 (ja) |
DE (1) | DE69410294T2 (ja) |
WO (1) | WO1995016388A1 (ja) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7128716B2 (en) | 2001-02-02 | 2006-10-31 | Nippon Telegraph And Telephone Corporation | Blood flowmeter and sensor part of the blood flowmeter |
JP2012528696A (ja) * | 2009-06-05 | 2012-11-15 | ノニン・メディカル・インコーポレーテッド | 遠隔表示を持つオキシメトリー |
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Also Published As
Publication number | Publication date |
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CA2179023C (en) | 2007-05-22 |
EP0734223B1 (en) | 1998-05-13 |
WO1995016388A1 (en) | 1995-06-22 |
EP0734223A1 (en) | 1996-10-02 |
US5560355A (en) | 1996-10-01 |
US6370408B1 (en) | 2002-04-09 |
AU692502B2 (en) | 1998-06-11 |
DE69410294T2 (de) | 1999-01-28 |
CA2179023A1 (en) | 1995-06-22 |
DE69410294D1 (de) | 1998-06-18 |
US5961450A (en) | 1999-10-05 |
AU1260395A (en) | 1995-07-03 |
CA2589039A1 (en) | 1995-06-22 |
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