CA2714367A1 - Analysing impedance measurements - Google Patents
Analysing impedance measurements Download PDFInfo
- Publication number
- CA2714367A1 CA2714367A1 CA2714367A CA2714367A CA2714367A1 CA 2714367 A1 CA2714367 A1 CA 2714367A1 CA 2714367 A CA2714367 A CA 2714367A CA 2714367 A CA2714367 A CA 2714367A CA 2714367 A1 CA2714367 A1 CA 2714367A1
- Authority
- CA
- Canada
- Prior art keywords
- impedance
- subject
- indicator
- determining
- processing system
- 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.)
- Abandoned
Links
- 238000002847 impedance measurement Methods 0.000 title claims abstract description 66
- 238000000034 method Methods 0.000 claims abstract description 181
- 238000012545 processing Methods 0.000 claims abstract description 116
- 201000002282 venous insufficiency Diseases 0.000 claims abstract description 105
- 210000003722 extracellular fluid Anatomy 0.000 claims abstract description 39
- 238000005259 measurement Methods 0.000 claims description 68
- 206010030113 Oedema Diseases 0.000 claims description 37
- 230000008859 change Effects 0.000 claims description 32
- 206010025282 Lymphoedema Diseases 0.000 claims description 23
- 208000002502 lymphedema Diseases 0.000 claims description 23
- 210000002977 intracellular fluid Anatomy 0.000 claims description 17
- 239000012530 fluid Substances 0.000 claims description 15
- 230000004044 response Effects 0.000 claims description 7
- 238000002203 pretreatment Methods 0.000 claims description 6
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- 238000002489 impedance cardiography Methods 0.000 description 1
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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
- A61B5/05—Detecting, measuring or recording for diagnosis by means of electric currents or magnetic fields; Measuring using microwaves or radio waves
- A61B5/053—Measuring electrical impedance or conductance of a portion of the body
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Radiology & Medical Imaging (AREA)
- Biophysics (AREA)
- Pathology (AREA)
- Engineering & Computer Science (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (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)
- Measurement And Recording Of Electrical Phenomena And Electrical Characteristics Of The Living Body (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US2927208P | 2008-02-15 | 2008-02-15 | |
| US61/029,272 | 2008-02-15 | ||
| PCT/AU2009/000163 WO2009100491A1 (en) | 2008-02-15 | 2009-02-12 | Analysing impedance measurements |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA2714367A1 true CA2714367A1 (en) | 2009-08-20 |
Family
ID=40956556
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA2714367A Abandoned CA2714367A1 (en) | 2008-02-15 | 2009-02-12 | Analysing impedance measurements |
Country Status (5)
| Country | Link |
|---|---|
| EP (1) | EP2242423B1 (enExample) |
| JP (2) | JP2011511679A (enExample) |
| AU (1) | AU2009214826B2 (enExample) |
| CA (1) | CA2714367A1 (enExample) |
| WO (1) | WO2009100491A1 (enExample) |
Families Citing this family (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AUPQ113799A0 (en) | 1999-06-22 | 1999-07-15 | University Of Queensland, The | A method and device for measuring lymphoedema |
| CA2578106C (en) | 2004-06-18 | 2015-09-01 | The University Of Queensland | Oedema detection |
| EP1827222A1 (en) | 2004-11-26 | 2007-09-05 | Z-Tech (Canada) Inc. | Weighted gradient method and system for diagnosing disease |
| CA2608962C (en) | 2005-07-01 | 2016-12-06 | Scott Chetham | Monitoring system |
| JP2008544777A (ja) | 2005-07-01 | 2008-12-11 | インぺディメッド リミテッド | 監視システム |
| WO2007041783A1 (en) | 2005-10-11 | 2007-04-19 | Impedance Cardiology Systems, Inc. | Hydration status monitoring |
| CA2653406C (en) | 2006-05-30 | 2015-03-17 | The University Of Queensland | Impedance measurements |
| US9504406B2 (en) | 2006-11-30 | 2016-11-29 | Impedimed Limited | Measurement apparatus |
| WO2008128281A1 (en) | 2007-04-20 | 2008-10-30 | Impedimed Limited | Monitoring system and probe |
| ES2615128T3 (es) | 2007-11-05 | 2017-06-05 | Impedimed Limited | Determinación de impedancia |
| AU2008207672B2 (en) | 2008-02-15 | 2013-10-31 | Impedimed Limited | Impedance Analysis |
| ES2549385T3 (es) * | 2008-11-10 | 2015-10-27 | Impedimed Limited | Indicador de fluido |
| AU2009321478B2 (en) | 2008-11-28 | 2014-01-23 | Impedimed Limited | Impedance measurement process |
| CN102711624B (zh) * | 2009-10-02 | 2015-11-25 | 皇家飞利浦电子股份有限公司 | 使用身体上或身体中通信技术来获得关于用户的身体成分的信息的系统和方法 |
| CA2777797A1 (en) | 2009-10-26 | 2011-05-05 | Impedimed Limited | Fluid level indicator determination |
| WO2011060497A1 (en) | 2009-11-18 | 2011-05-26 | Impedimed Limited | Signal distribution for patient-electrode measurements |
| US20120330167A1 (en) * | 2009-12-21 | 2012-12-27 | Impedimed Limited | Analysing impedance measurements |
| EP3322335B1 (en) | 2015-07-16 | 2021-01-20 | Impedimed Limited | Fluid level determination |
| US20230255552A1 (en) * | 2020-06-26 | 2023-08-17 | Georgia Tech Research Corporation | Systems and methods for joint health assessment |
Family Cites Families (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3996924A (en) * | 1974-06-19 | 1976-12-14 | Wheeler H Brownell | Occlusive impedance phlebograph and method therefor |
| JP3699640B2 (ja) * | 2000-08-01 | 2005-09-28 | 株式会社タニタ | 多周波生体インピーダンス測定による体水分量状態判定装置 |
| JP3943955B2 (ja) * | 2002-02-25 | 2007-07-11 | 株式会社タニタ | 深部静脈血栓症判定装置 |
| AT413189B (de) * | 2002-10-07 | 2005-12-15 | Cnsystems Medizintechnik Gmbh | Medizinisches elektroden-element |
| US7783345B2 (en) | 2002-10-07 | 2010-08-24 | Cnsystems Medizintechnik Gmbh | Impedance-based measuring method for hemodynamic parameters |
| CA2578106C (en) * | 2004-06-18 | 2015-09-01 | The University Of Queensland | Oedema detection |
| US20060111652A1 (en) | 2004-11-22 | 2006-05-25 | Mcleod Kenneth J | Method for enhancing blood and lymph flow in the extremities |
| EP2250963A3 (en) * | 2005-07-01 | 2012-02-29 | Intersection Medical, Inc. | Pulmonary monitoring system |
| CA2608962C (en) * | 2005-07-01 | 2016-12-06 | Scott Chetham | Monitoring system |
| JP2008544777A (ja) * | 2005-07-01 | 2008-12-11 | インぺディメッド リミテッド | 監視システム |
| WO2007041783A1 (en) * | 2005-10-11 | 2007-04-19 | Impedance Cardiology Systems, Inc. | Hydration status monitoring |
| AT502921B1 (de) * | 2005-10-21 | 2012-01-15 | Falko Dr Skrabal | Gerät zur messung von herz- und gefässfunktion (function) und körperräumen (spaces) mit hilfe der impedanzmessung |
-
2009
- 2009-02-12 WO PCT/AU2009/000163 patent/WO2009100491A1/en not_active Ceased
- 2009-02-12 EP EP09710912.8A patent/EP2242423B1/en not_active Not-in-force
- 2009-02-12 JP JP2010546182A patent/JP2011511679A/ja active Pending
- 2009-02-12 AU AU2009214826A patent/AU2009214826B2/en not_active Ceased
- 2009-02-12 CA CA2714367A patent/CA2714367A1/en not_active Abandoned
-
2014
- 2014-10-22 JP JP2014215681A patent/JP6089016B2/ja not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| AU2009214826B2 (en) | 2014-12-18 |
| WO2009100491A1 (en) | 2009-08-20 |
| EP2242423B1 (en) | 2016-04-13 |
| JP6089016B2 (ja) | 2017-03-01 |
| EP2242423A4 (en) | 2013-05-22 |
| AU2009214826A1 (en) | 2009-08-20 |
| EP2242423A1 (en) | 2010-10-27 |
| JP2011511679A (ja) | 2011-04-14 |
| JP2015037600A (ja) | 2015-02-26 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EEER | Examination request |
Effective date: 20140206 |
|
| FZDE | Discontinued |
Effective date: 20181025 |