ZA200105303B - Device for reducing signal noise in a fetal ecg signal. - Google Patents
Device for reducing signal noise in a fetal ecg signal. Download PDFInfo
- Publication number
- ZA200105303B ZA200105303B ZA200105303A ZA200105303A ZA200105303B ZA 200105303 B ZA200105303 B ZA 200105303B ZA 200105303 A ZA200105303 A ZA 200105303A ZA 200105303 A ZA200105303 A ZA 200105303A ZA 200105303 B ZA200105303 B ZA 200105303B
- Authority
- ZA
- South Africa
- Prior art keywords
- signal
- ecg
- points
- filter
- high pass
- Prior art date
Links
- 230000001605 fetal effect Effects 0.000 title claims abstract description 42
- 230000011664 signaling Effects 0.000 claims abstract description 4
- 238000000034 method Methods 0.000 claims description 20
- 210000003754 fetus Anatomy 0.000 claims description 11
- 230000008774 maternal effect Effects 0.000 claims description 11
- 238000012935 Averaging Methods 0.000 claims description 8
- 238000000718 qrs complex Methods 0.000 claims description 4
- 238000002565 electrocardiography Methods 0.000 description 61
- 210000002458 fetal heart Anatomy 0.000 description 8
- 238000012544 monitoring process Methods 0.000 description 7
- 238000001514 detection method Methods 0.000 description 4
- 238000001914 filtration Methods 0.000 description 4
- 210000004761 scalp Anatomy 0.000 description 4
- 238000012546 transfer Methods 0.000 description 4
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 3
- 229910052760 oxygen Inorganic materials 0.000 description 3
- 239000001301 oxygen Substances 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 230000009467 reduction Effects 0.000 description 3
- 230000004044 response Effects 0.000 description 3
- 238000001228 spectrum Methods 0.000 description 3
- 210000000689 upper leg Anatomy 0.000 description 3
- 230000002051 biphasic effect Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 210000003128 head Anatomy 0.000 description 2
- 230000000750 progressive effect Effects 0.000 description 2
- 206010021143 Hypoxia Diseases 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000002238 attenuated effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 210000001217 buttock Anatomy 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 210000003205 muscle Anatomy 0.000 description 1
- 230000003387 muscular Effects 0.000 description 1
- 230000035479 physiological effects, processes and functions Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000003252 repetitive effect Effects 0.000 description 1
- 230000029058 respiratory gaseous exchange Effects 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/43—Detecting, measuring or recording for evaluating the reproductive systems
- A61B5/4306—Detecting, measuring or recording for evaluating the reproductive systems for evaluating the female reproductive systems, e.g. gynaecological evaluations
- A61B5/4343—Pregnancy and labour monitoring, e.g. for labour onset detection
- A61B5/4362—Assessing foetal parameters
-
- 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]
- A61B5/344—Foetal cardiography
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Medical Informatics (AREA)
- Veterinary Medicine (AREA)
- Molecular Biology (AREA)
- Physics & Mathematics (AREA)
- Public Health (AREA)
- Biophysics (AREA)
- Pathology (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Surgery (AREA)
- General Health & Medical Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- Heart & Thoracic Surgery (AREA)
- Cardiology (AREA)
- Reproductive Health (AREA)
- Pregnancy & Childbirth (AREA)
- Gynecology & Obstetrics (AREA)
- Pediatric Medicine (AREA)
- Measurement And Recording Of Electrical Phenomena And Electrical Characteristics Of The Living Body (AREA)
- Noise Elimination (AREA)
- Measuring Pulse, Heart Rate, Blood Pressure Or Blood Flow (AREA)
- Vehicle Body Suspensions (AREA)
- Ultra Sonic Daignosis Equipment (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB9828362A GB2342449B (en) | 1998-12-22 | 1998-12-22 | Device for reducing signal noise in a fetal ECG signal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ZA200105303B true ZA200105303B (en) | 2002-01-11 |
Family
ID=10844828
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ZA200105303A ZA200105303B (en) | 1998-12-22 | 2001-06-27 | Device for reducing signal noise in a fetal ecg signal. |
Country Status (19)
| Country | Link |
|---|---|
| US (1) | US6658284B1 (es) |
| EP (1) | EP1139868B1 (es) |
| JP (1) | JP4615724B2 (es) |
| KR (1) | KR20010099903A (es) |
| CN (1) | CN1334709A (es) |
| AT (1) | ATE416670T1 (es) |
| AU (1) | AU761398B2 (es) |
| BR (1) | BR9916548A (es) |
| CA (1) | CA2355850A1 (es) |
| DE (1) | DE69940071D1 (es) |
| ES (1) | ES2319471T3 (es) |
| GB (1) | GB2342449B (es) |
| HK (1) | HK1041429B (es) |
| IL (2) | IL143891A0 (es) |
| MX (1) | MXPA01006504A (es) |
| PL (1) | PL199140B1 (es) |
| PT (1) | PT1139868E (es) |
| WO (1) | WO2000036975A1 (es) |
| ZA (1) | ZA200105303B (es) |
Families Citing this family (29)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100640505B1 (ko) * | 2004-06-01 | 2006-10-30 | 삼성전자주식회사 | 검색된 전화번호에 대한 전화번호 연계 기능을 수행하는방법 |
| US20050277841A1 (en) * | 2004-06-10 | 2005-12-15 | Adnan Shennib | Disposable fetal monitor patch |
| US20060030781A1 (en) * | 2004-08-05 | 2006-02-09 | Adnan Shennib | Emergency heart sensor patch |
| US20060030782A1 (en) * | 2004-08-05 | 2006-02-09 | Adnan Shennib | Heart disease detection patch |
| JP4590554B2 (ja) * | 2005-01-31 | 2010-12-01 | 国立大学法人東北大学 | 心電図信号処理方法および心電図信号処理装置 |
| US7962201B2 (en) | 2005-04-15 | 2011-06-14 | Hewlett Packard Development Company, L.P. | Methods of generating a virtual lead associated with a physiological recording |
| US20060235321A1 (en) * | 2005-04-15 | 2006-10-19 | Simske Steven J | ECG filtering |
| US8688189B2 (en) * | 2005-05-17 | 2014-04-01 | Adnan Shennib | Programmable ECG sensor patch |
| US20070191728A1 (en) * | 2006-02-10 | 2007-08-16 | Adnan Shennib | Intrapartum monitor patch |
| US20070255184A1 (en) * | 2006-02-10 | 2007-11-01 | Adnan Shennib | Disposable labor detection patch |
| AU2008208376A1 (en) | 2007-01-23 | 2008-07-31 | Tohoku Techno Arch Co., Ltd. | Fetus electrocardiogram signal measuring method and its device |
| CN101790346B (zh) | 2007-07-24 | 2012-08-29 | 皇家飞利浦电子股份有限公司 | 监测胎儿心率的方法 |
| US7869863B2 (en) * | 2008-01-10 | 2011-01-11 | The Johns Hopkins University | Apparatus and method for non-invasive, passive fetal heart monitoring |
| EP2276401A4 (en) * | 2008-04-15 | 2014-02-05 | Tufts Medical Ct | ECG MONITORING OF A FETUS |
| GB0902069D0 (en) | 2009-02-06 | 2009-03-25 | Neoventa Medical Ab | Fetal electrode assembly and fetal electrode |
| BR112012000276A2 (pt) * | 2009-07-06 | 2016-02-16 | Heard Systems Pty Ltd | método de medição não invasiva de um processo fisiológico, e, equipamento para medição não invasiva de um processo fisiológico. |
| TWI392480B (zh) * | 2009-10-21 | 2013-04-11 | Ind Tech Res Inst | 母體胎兒監視裝置與方法 |
| EP2744402B1 (en) * | 2011-10-12 | 2020-12-09 | Koninklijke Philips N.V. | System and method for determining the q and j points of an electrocardiogram |
| EP2768384A4 (en) | 2011-10-21 | 2015-05-13 | Mindchild Medical Inc | NON-INVASIVE FETAL SURVEILLANCE |
| EP2819574B1 (en) | 2012-03-01 | 2019-01-02 | Syracuse University | Enhanced electronic external fetal monitoring system |
| US8862216B2 (en) | 2012-03-15 | 2014-10-14 | Siemens Medical Solutions Usa, Inc. | Adaptive cardiac data patient filter system |
| TWI581573B (zh) * | 2013-02-20 | 2017-05-01 | 財團法人工業技術研究院 | 訊號處理方法及訊號處理系統 |
| EP3065632A1 (en) * | 2013-11-08 | 2016-09-14 | Koninklijke Philips N.V. | Ecg high pass filter |
| CN104706344A (zh) * | 2013-12-11 | 2015-06-17 | 陈在源 | 一种心电信号测量采集系统 |
| CN104224164A (zh) * | 2014-09-25 | 2014-12-24 | 新乡医学院第一附属医院 | 一种心电信号分析处理装置 |
| US9392952B1 (en) * | 2015-03-10 | 2016-07-19 | Nuvo Group Ltd. | Systems, apparatus and methods for sensing fetal activity |
| CN105266799B (zh) * | 2015-09-16 | 2018-05-22 | 广东工业大学 | 一种基于盲分离技术的心电放大器自动增益控制方法 |
| US10502763B2 (en) * | 2016-05-12 | 2019-12-10 | Tektronix, Inc. | Noise reduction in digitizing systems |
| CN112932475B (zh) * | 2021-02-01 | 2023-02-21 | 武汉泰利美信医疗科技有限公司 | 血氧饱和度的计算方法、装置、电子设备及存储介质 |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3703168A (en) * | 1970-03-30 | 1972-11-21 | Richard D Frink | Fetal heart monitor with particular signal conditioning means |
| US3811428A (en) * | 1971-12-30 | 1974-05-21 | Brattle Instr Corp | Biological signals monitor |
| DE2716739C3 (de) | 1977-04-14 | 1980-06-26 | Biotronik Mess- Und Therapiegeraete Gmbh & Co Ingenieurbuero Berlin, 1000 Berlin | Verfahren zur Detektion von Signalen |
| GB2162644A (en) * | 1984-06-29 | 1986-02-05 | Walter Campbell Peaston | Separating heartbeat sources |
| GB8722899D0 (en) * | 1987-09-30 | 1987-11-04 | Kirk D L | Fetal monitoring during labour |
| US5042499A (en) | 1988-09-30 | 1991-08-27 | Frank Thomas H | Noninvasive electrocardiographic method of real time signal processing for obtaining and displaying instantaneous fetal heart rate and fetal heart rate beat-to-beat variability |
| DE4106856A1 (de) * | 1991-03-04 | 1992-09-10 | Siemens Ag | Verfahren und vorrichtung zum herausfiltern von grundlinienschwankungen aus einem elektrokardiogramm |
| US5372139A (en) * | 1991-06-24 | 1994-12-13 | Paul Benjamin Crilly | Method for suppressing a maternal electrocardiogram signal from a fetal electrocardiogram signal obtained with invasive and non-invasive techniques using an almost pure maternal electrocardiogram signal as a trigger |
| US5713367A (en) * | 1994-01-26 | 1998-02-03 | Cambridge Heart, Inc. | Measuring and assessing cardiac electrical stability |
| US5623939A (en) * | 1994-05-19 | 1997-04-29 | Board Of Regents, University Of Texas System | Method and apparatus for analyzing uterine electrical activity from surface measurements for obstetrical diagnosis |
| US5596993A (en) * | 1994-09-21 | 1997-01-28 | Beth Israel Hospital | Fetal data processing system and method |
-
1998
- 1998-12-22 GB GB9828362A patent/GB2342449B/en not_active Expired - Fee Related
-
1999
- 1999-12-22 IL IL14389199A patent/IL143891A0/xx active IP Right Grant
- 1999-12-22 CA CA002355850A patent/CA2355850A1/en not_active Abandoned
- 1999-12-22 CN CN99815913A patent/CN1334709A/zh active Pending
- 1999-12-22 BR BR9916548-1A patent/BR9916548A/pt not_active IP Right Cessation
- 1999-12-22 US US09/530,207 patent/US6658284B1/en not_active Expired - Lifetime
- 1999-12-22 AT AT99962416T patent/ATE416670T1/de not_active IP Right Cessation
- 1999-12-22 WO PCT/GB1999/004371 patent/WO2000036975A1/en not_active Application Discontinuation
- 1999-12-22 JP JP2000589091A patent/JP4615724B2/ja not_active Expired - Fee Related
- 1999-12-22 AU AU18774/00A patent/AU761398B2/en not_active Ceased
- 1999-12-22 DE DE69940071T patent/DE69940071D1/de not_active Expired - Lifetime
- 1999-12-22 PL PL349031A patent/PL199140B1/pl unknown
- 1999-12-22 ES ES99962416T patent/ES2319471T3/es not_active Expired - Lifetime
- 1999-12-22 MX MXPA01006504A patent/MXPA01006504A/es unknown
- 1999-12-22 EP EP99962416A patent/EP1139868B1/en not_active Expired - Lifetime
- 1999-12-22 KR KR1020017007976A patent/KR20010099903A/ko not_active Application Discontinuation
- 1999-12-22 PT PT99962416T patent/PT1139868E/pt unknown
-
2001
- 2001-06-20 IL IL143891A patent/IL143891A/en not_active IP Right Cessation
- 2001-06-27 ZA ZA200105303A patent/ZA200105303B/en unknown
-
2002
- 2002-03-05 HK HK02101695.4A patent/HK1041429B/zh not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| GB9828362D0 (en) | 1999-02-17 |
| AU761398B2 (en) | 2003-06-05 |
| PL199140B1 (pl) | 2008-08-29 |
| EP1139868A1 (en) | 2001-10-10 |
| ATE416670T1 (de) | 2008-12-15 |
| CA2355850A1 (en) | 2000-06-29 |
| JP4615724B2 (ja) | 2011-01-19 |
| US6658284B1 (en) | 2003-12-02 |
| IL143891A0 (en) | 2002-04-21 |
| EP1139868B1 (en) | 2008-12-10 |
| BR9916548A (pt) | 2001-09-04 |
| KR20010099903A (ko) | 2001-11-09 |
| CN1334709A (zh) | 2002-02-06 |
| MXPA01006504A (es) | 2002-06-04 |
| IL143891A (en) | 2006-08-01 |
| GB2342449B (en) | 2000-09-20 |
| WO2000036975A1 (en) | 2000-06-29 |
| JP2002532182A (ja) | 2002-10-02 |
| PT1139868E (pt) | 2009-03-12 |
| PL349031A1 (en) | 2002-07-01 |
| ES2319471T3 (es) | 2009-05-07 |
| GB2342449A (en) | 2000-04-12 |
| HK1041429B (zh) | 2009-05-08 |
| DE69940071D1 (de) | 2009-01-22 |
| AU1877400A (en) | 2000-07-12 |
| HK1041429A1 (en) | 2002-07-12 |
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