CA2087394A1 - Appareil de traitement des signaux de pression et methode permettant d'utiliser un tensiometre automatique - Google Patents
Appareil de traitement des signaux de pression et methode permettant d'utiliser un tensiometre automatiqueInfo
- Publication number
- CA2087394A1 CA2087394A1 CA2087394A CA2087394A CA2087394A1 CA 2087394 A1 CA2087394 A1 CA 2087394A1 CA 2087394 A CA2087394 A CA 2087394A CA 2087394 A CA2087394 A CA 2087394A CA 2087394 A1 CA2087394 A1 CA 2087394A1
- Authority
- CA
- Canada
- Prior art keywords
- switching signal
- signal
- valve switching
- valve
- pressure
- 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
-
- 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
- A61B5/021—Measuring pressure in heart or blood vessels
- A61B5/022—Measuring pressure in heart or blood vessels by applying pressure to close blood vessels, e.g. against the skin; Ophthalmodynamometers
- A61B5/0225—Measuring pressure in heart or blood vessels by applying pressure to close blood vessels, e.g. against the skin; Ophthalmodynamometers the pressure being controlled by electric signals, e.g. derived from Korotkoff sounds
-
- 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)
- Life Sciences & Earth Sciences (AREA)
- Vascular Medicine (AREA)
- Cardiology (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Physiology (AREA)
- Biophysics (AREA)
- Pathology (AREA)
- Engineering & Computer Science (AREA)
- Ophthalmology & Optometry (AREA)
- Physics & Mathematics (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- Surgery (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Measuring Pulse, Heart Rate, Blood Pressure Or Blood Flow (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US07/822,393 US5224484A (en) | 1992-01-17 | 1992-01-17 | Pressure signal processing apparatus and method for an automatic blood pressure gauge |
US822,393 | 1992-01-17 |
Publications (2)
Publication Number | Publication Date |
---|---|
CA2087394A1 true CA2087394A1 (fr) | 1993-07-18 |
CA2087394C CA2087394C (fr) | 1996-12-03 |
Family
ID=25235899
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA002087394A Expired - Fee Related CA2087394C (fr) | 1992-01-17 | 1993-01-15 | Appareil de traitement des signaux de pression et methode permettant d'utiliser un tensiometre automatique |
Country Status (5)
Country | Link |
---|---|
US (1) | US5224484A (fr) |
EP (1) | EP0551815B1 (fr) |
JP (1) | JP3316016B2 (fr) |
CA (1) | CA2087394C (fr) |
DE (1) | DE69304083T2 (fr) |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5704362A (en) * | 1993-08-13 | 1998-01-06 | Johnson & Johnson Medical, Inc. | Method for oscillometric blood pressure determination employing curve fitting |
US5537335A (en) * | 1993-11-01 | 1996-07-16 | University Of Pittsburgh Of The Commonwealth System Of Higher Education | Fluid delivery apparatus and associated method |
US5752919A (en) * | 1996-12-17 | 1998-05-19 | Johnson & Johnson Medical, Inc. | Mitigation of respiratory artifact in blood pressure signal using line segment smoothing |
US6093152A (en) * | 1998-10-30 | 2000-07-25 | Protocol Systems, Inc. | Pulse width modulation valve control for vital sign monitors |
US6913534B2 (en) * | 2000-03-02 | 2005-07-05 | Defrees-Parrott Troy | Gaming machine having a lottery game and capability for integration with gaming device accounting system and player tracking system |
KR100745747B1 (ko) * | 2001-08-21 | 2007-08-02 | 삼성전자주식회사 | 선형적으로 변화시킬 수 있는 공기 압력을 이용한 혈압측정 장치 및 방법 |
GB2398065A (en) * | 2003-10-16 | 2004-08-11 | Bespak Plc | Dispensing apparatus |
CN100349544C (zh) * | 2004-08-16 | 2007-11-21 | 深圳迈瑞生物医疗电子股份有限公司 | 改进的电子血压检测装置 |
US7468038B2 (en) * | 2005-12-20 | 2008-12-23 | Shenzhen Mindray Bio-Medical Electronics Co., Ltd. | Non-invasive electronic method and apparatus for measuring blood pressure |
US20090221924A1 (en) * | 2008-02-29 | 2009-09-03 | General Electric Company | Method and system for non-invasive blood pressure determination |
GB2492389A (en) * | 2011-06-30 | 2013-01-02 | Tomtom Int Bv | Pulse shaping is used to modify a timing signal prior to propagation to reduce electromagnetic radiation |
US10307068B2 (en) | 2014-03-25 | 2019-06-04 | Drägerwerk AG & Co. KGaA | Systems and methods for timing measurements in a non-invasive blood pressure measurement system |
DE102022120596B9 (de) | 2022-08-16 | 2024-05-23 | Wolfgang Egner | Verfahren und Vorrichtung zur nicht-invasiven Blutdruckmessung |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4427013A (en) * | 1981-01-29 | 1984-01-24 | C.R. Bard, Inc. | Apparatus and method for measuring blood pressure |
JPS6244222A (ja) * | 1985-08-21 | 1987-02-26 | オムロン株式会社 | 電子血圧計 |
US4796184A (en) * | 1986-08-01 | 1989-01-03 | Cas Medical Systems, Inc. | Automatic blood pressure measuring device and method |
JPH0618550B2 (ja) * | 1986-08-11 | 1994-03-16 | コーリン電子株式会社 | 連続血圧測定装置 |
FI84690C (fi) * | 1988-05-20 | 1992-01-10 | Instrumentarium Oy | Foerfarande och anordning foer reglering av trycket i en blodtrycksmaetares mansett. |
US4949710A (en) * | 1988-10-06 | 1990-08-21 | Protocol Systems, Inc. | Method of artifact rejection for noninvasive blood-pressure measurement by prediction and adjustment of blood-pressure data |
US5054495A (en) * | 1989-07-10 | 1991-10-08 | Colin Electronics Co., Ltd. | Automatic blood-pressure measuring apparatus |
-
1992
- 1992-01-17 US US07/822,393 patent/US5224484A/en not_active Expired - Lifetime
-
1993
- 1993-01-05 DE DE69304083T patent/DE69304083T2/de not_active Expired - Fee Related
- 1993-01-05 EP EP93100062A patent/EP0551815B1/fr not_active Expired - Lifetime
- 1993-01-13 JP JP02191393A patent/JP3316016B2/ja not_active Expired - Fee Related
- 1993-01-15 CA CA002087394A patent/CA2087394C/fr not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
EP0551815B1 (fr) | 1996-08-21 |
DE69304083D1 (de) | 1996-09-26 |
US5224484A (en) | 1993-07-06 |
JPH05253197A (ja) | 1993-10-05 |
DE69304083T2 (de) | 1997-02-06 |
JP3316016B2 (ja) | 2002-08-19 |
CA2087394C (fr) | 1996-12-03 |
EP0551815A1 (fr) | 1993-07-21 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
EEER | Examination request | ||
MKLA | Lapsed |