CA1276241C - High resolution waveform processor - Google Patents
High resolution waveform processorInfo
- Publication number
- CA1276241C CA1276241C CA000474673A CA474673A CA1276241C CA 1276241 C CA1276241 C CA 1276241C CA 000474673 A CA000474673 A CA 000474673A CA 474673 A CA474673 A CA 474673A CA 1276241 C CA1276241 C CA 1276241C
- Authority
- CA
- Canada
- Prior art keywords
- waveforms
- samples
- block
- data
- waveform
- 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.)
- Expired - Lifetime
Links
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Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/24—Detecting, measuring or recording bioelectric or biomagnetic signals of the body or parts thereof
- A61B5/316—Modalities, i.e. specific diagnostic methods
- A61B5/318—Heart-related electrical modalities, e.g. electrocardiography [ECG]
- A61B5/346—Analysis of electrocardiograms
- A61B5/349—Detecting specific parameters of the electrocardiograph cycle
- A61B5/363—Detecting tachycardia or bradycardia
-
- 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
- A61B5/7264—Classification of physiological signals or data, e.g. using neural networks, statistical classifiers, expert systems or fuzzy systems
-
- 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
- A61B5/7225—Details of analogue processing, e.g. isolation amplifier, gain or sensitivity adjustment, filtering, baseline or drift compensation
-
- G—PHYSICS
- G16—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR SPECIFIC APPLICATION FIELDS
- G16H—HEALTHCARE INFORMATICS, i.e. INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR THE HANDLING OR PROCESSING OF MEDICAL OR HEALTHCARE DATA
- G16H50/00—ICT specially adapted for medical diagnosis, medical simulation or medical data mining; ICT specially adapted for detecting, monitoring or modelling epidemics or pandemics
- G16H50/20—ICT specially adapted for medical diagnosis, medical simulation or medical data mining; ICT specially adapted for detecting, monitoring or modelling epidemics or pandemics for computer-aided diagnosis, e.g. based on medical expert systems
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S128/00—Surgery
- Y10S128/901—Suppression of noise in electric signal
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Cardiology (AREA)
- Physics & Mathematics (AREA)
- Biophysics (AREA)
- Public Health (AREA)
- Artificial Intelligence (AREA)
- Veterinary Medicine (AREA)
- General Health & Medical Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- Surgery (AREA)
- Molecular Biology (AREA)
- Pathology (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Medical Informatics (AREA)
- Evolutionary Computation (AREA)
- Fuzzy Systems (AREA)
- Signal Processing (AREA)
- Psychiatry (AREA)
- Mathematical Physics (AREA)
- Physiology (AREA)
- Computer Vision & Pattern Recognition (AREA)
- Measurement And Recording Of Electrical Phenomena And Electrical Characteristics Of The Living Body (AREA)
- Medical Treatment And Welfare Office Work (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US582,225 | 1984-02-21 | ||
| US06/582,225 US4630204A (en) | 1984-02-21 | 1984-02-21 | High resolution ECG waveform processor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1276241C true CA1276241C (en) | 1990-11-13 |
Family
ID=24328306
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA000474673A Expired - Lifetime CA1276241C (en) | 1984-02-21 | 1985-02-19 | High resolution waveform processor |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US4630204A (enExample) |
| EP (1) | EP0195007B1 (enExample) |
| JP (1) | JPS62500284A (enExample) |
| CA (1) | CA1276241C (enExample) |
| DE (1) | DE3580476D1 (enExample) |
| IL (1) | IL74245A (enExample) |
| WO (1) | WO1985003788A1 (enExample) |
Families Citing this family (100)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA1233891A (en) * | 1985-05-27 | 1988-03-08 | Peter Gillingham | Switched capacitor finite impulse response filter |
| US4769760A (en) * | 1987-03-13 | 1988-09-06 | Cherne Medical, Inc. | Terrain biased dynamic multiple threshold synchronization method and apparatus |
| US4803996A (en) * | 1987-09-28 | 1989-02-14 | Nippon Colin Co., Ltd. | Cardiovascular monitor |
| US4893632A (en) * | 1988-04-13 | 1990-01-16 | Siemens Aktiengesellschaft | Method and apparatus for comparing waveform shapes of time-varying signals |
| US4961428A (en) * | 1988-05-02 | 1990-10-09 | Northeastern University | Non-invasive method and apparatus for describing the electrical activity of the surface of an interior organ |
| US4917099A (en) * | 1988-07-13 | 1990-04-17 | Physio-Control Corporation | Method and apparatus for differential lead impedance comparison |
| US4919145A (en) * | 1988-07-13 | 1990-04-24 | Physio-Control Corporation | Method and apparatus for sensing lead and transthoracic impedances |
| US4993423A (en) * | 1988-07-13 | 1991-02-19 | Physio-Control Corporation | Method and apparatus for differential lead impedance comparison |
| US5020541A (en) * | 1988-07-13 | 1991-06-04 | Physio-Control Corporation | Apparatus for sensing lead and transthoracic impedances |
| US5025794A (en) * | 1988-08-30 | 1991-06-25 | Corazonix Corporation | Method for analysis of electrocardiographic signal QRS complex |
| US4974601A (en) * | 1988-09-05 | 1990-12-04 | University Of North Carolina At Charlotte | Portable heart monitor performing multiple functions |
| US4964410A (en) * | 1988-11-15 | 1990-10-23 | Coherent Systems, Inc. | Time period and heart rate measurement system |
| US4890630A (en) * | 1989-01-23 | 1990-01-02 | Cherne Medical, Inc. | Bio-electric noise cancellation system |
| US4947857A (en) * | 1989-02-01 | 1990-08-14 | Corazonix Corporation | Method and apparatus for analyzing and interpreting electrocardiograms using spectro-temporal mapping |
| US5109862A (en) * | 1990-03-19 | 1992-05-05 | Del Mar Avionics | Method and apparatus for spectral analysis of electrocardiographic signals |
| US5092341A (en) * | 1990-06-18 | 1992-03-03 | Del Mar Avionics | Surface ecg frequency analysis system and method based upon spectral turbulence estimation |
| AU632932B2 (en) * | 1990-06-26 | 1993-01-14 | Compumedics Limited | Analysis system for physiological variables |
| US5052398A (en) * | 1990-06-29 | 1991-10-01 | North American Philips Corporation | QRS filter for real time heart imaging with ECG monitoring in the magnetic field of an NMR imaging system and NMR imaging apparatus employing such filter |
| US5490516A (en) * | 1990-12-14 | 1996-02-13 | Hutson; William H. | Method and system to enhance medical signals for real-time analysis and high-resolution display |
| US5348020A (en) * | 1990-12-14 | 1994-09-20 | Hutson William H | Method and system for near real-time analysis and display of electrocardiographic signals |
| AU645848B2 (en) * | 1991-01-15 | 1994-01-27 | Pacesetter Ab | A system and method for post-processing intracardiac signals |
| US5341811A (en) * | 1991-03-26 | 1994-08-30 | Allegheny-Singer Research Institute | Method and apparatus for observation of ventricular late potentials |
| US5382956A (en) * | 1992-04-30 | 1995-01-17 | Hewlett Packard Co | Integrated circuit for physiological signal measurement |
| US5337230A (en) * | 1992-04-30 | 1994-08-09 | Hewlett-Packard Company | Signal processing circuits with digital programmability |
| US5966692A (en) * | 1992-05-12 | 1999-10-12 | Telemed Technologies International Corporation | Method and system for monitoring the heart of a patient |
| US5406955A (en) * | 1993-03-12 | 1995-04-18 | Hewlett-Packard Corporation | ECG recorder and playback unit |
| US5435316A (en) * | 1993-10-07 | 1995-07-25 | Medtronic, Inc. | Low amplitude pacing artifact detection amplifier circuit with driven right leg for filtering high frequency noise caused by multiple noise sources |
| US5713367A (en) * | 1994-01-26 | 1998-02-03 | Cambridge Heart, Inc. | Measuring and assessing cardiac electrical stability |
| US5724984A (en) * | 1995-01-26 | 1998-03-10 | Cambridge Heart, Inc. | Multi-segment ECG electrode and system |
| US5935082A (en) * | 1995-01-26 | 1999-08-10 | Cambridge Heart, Inc. | Assessing cardiac electrical stability |
| US5711305A (en) * | 1995-02-17 | 1998-01-27 | Ep Technologies, Inc. | Systems and methods for acquiring endocardially or epicardially paced electrocardiograms |
| JP3681126B2 (ja) * | 1995-02-17 | 2005-08-10 | ボストン サイエンティフィック リミテッド | 生物学的事象の時系列計測を行うためのシステム |
| US5609158A (en) * | 1995-05-01 | 1997-03-11 | Arrhythmia Research Technology, Inc. | Apparatus and method for predicting cardiac arrhythmia by detection of micropotentials and analysis of all ECG segments and intervals |
| JPH09173310A (ja) * | 1995-11-29 | 1997-07-08 | Hewlett Packard Co <Hp> | Ｅｃｇ波形の心搏を分類する方法および装置 |
| US5715829A (en) * | 1995-11-29 | 1998-02-10 | Hewlett-Packard Company | Method and apparatus for detecting heartbeats in an ECG waveform using an activity function and on-time search |
| US5613496A (en) * | 1995-11-29 | 1997-03-25 | Hewlett-Packard Company | Method and apparatus for creating a representative heartbeat from an ECG waveform |
| US5682900A (en) * | 1995-11-29 | 1997-11-04 | Hewlett-Packard Company | Method and apparatus for obtaining heartbeat measurements from a ECG waveform |
| US5628326A (en) * | 1995-11-29 | 1997-05-13 | Hewlett-Packard Company | Calculating a heart rate from an ECG waveform by discarding a percentage of R-R intervals prior to averaging |
| US5623936A (en) * | 1995-12-05 | 1997-04-29 | Pacesetter, Inc. | Implantable medical device having means for discriminating between true R-waves and ventricular fibrillation |
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| US10434319B2 (en) | 2009-10-09 | 2019-10-08 | The Regents Of The University Of California | System and method of identifying sources associated with biological rhythm disorders |
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Family Cites Families (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS526039B2 (enExample) * | 1971-12-17 | 1977-02-18 | ||
| US4000461A (en) * | 1973-10-04 | 1976-12-28 | Textronix, Inc. | R-wave detector |
| US3939824A (en) * | 1973-10-09 | 1976-02-24 | General Electric Company | Physiological waveform detector |
| US4023564A (en) * | 1976-01-26 | 1977-05-17 | Spacelabs, Inc. | Arrhythmia detector |
| US4181135A (en) * | 1978-03-03 | 1980-01-01 | American Optical Corporation | Method and apparatus for monitoring electrocardiographic waveforms |
| US4263919A (en) * | 1979-10-12 | 1981-04-28 | Levin Kenneth M | Heartbeat detection and artifact discrimination method and apparatus |
| US4416288A (en) * | 1980-08-14 | 1983-11-22 | The Regents Of The University Of California | Apparatus and method for reconstructing subsurface electrophysiological patterns |
| IL61465A (en) * | 1980-11-12 | 1984-09-30 | Univ Ramot | Method and apparatus for monitoring electrocardiogram(ecg)signals |
| US4422459A (en) * | 1980-11-18 | 1983-12-27 | University Patents, Inc. | Electrocardiographic means and method for detecting potential ventricular tachycardia |
| US4458692A (en) * | 1982-02-11 | 1984-07-10 | Arrhythmia Research Technology, Inc. | System and method for predicting ventricular tachycardia with a gain controlled high pass filter |
| US4492235A (en) * | 1982-02-11 | 1985-01-08 | Arrhythmia Research Technology, Inc. | System and method for predicting ventricular tachycardia by derivative analysis |
| US4458691A (en) * | 1982-02-11 | 1984-07-10 | Arrhythmia Research Technology, Inc. | System and method for predicting ventricular tachycardia by adaptive high pass filter |
| US4478224A (en) * | 1982-11-26 | 1984-10-23 | Camino Laboratories, Inc. | Artifact detector for heartbeat rate measuring system |
-
1984
- 1984-02-21 US US06/582,225 patent/US4630204A/en not_active Expired - Lifetime
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1985
- 1985-02-04 IL IL74245A patent/IL74245A/xx not_active IP Right Cessation
- 1985-02-19 EP EP85901258A patent/EP0195007B1/en not_active Expired - Lifetime
- 1985-02-19 JP JP60500953A patent/JPS62500284A/ja active Granted
- 1985-02-19 DE DE8585901258T patent/DE3580476D1/de not_active Expired - Fee Related
- 1985-02-19 CA CA000474673A patent/CA1276241C/en not_active Expired - Lifetime
- 1985-02-19 WO PCT/US1985/000283 patent/WO1985003788A1/en not_active Ceased
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| WO1985003788A1 (en) | 1985-08-29 |
| EP0195007A4 (en) | 1987-01-22 |
| US4630204A (en) | 1986-12-16 |
| EP0195007A1 (en) | 1986-09-24 |
| JPS62500284A (ja) | 1987-02-05 |
| EP0195007B1 (en) | 1990-11-07 |
| DE3580476D1 (de) | 1990-12-13 |
| IL74245A (en) | 1990-06-10 |
| IL74245A0 (en) | 1985-05-31 |
| JPH0560380B2 (enExample) | 1993-09-02 |
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