DE10339084A1 - Elektroimpedanztomographie-Gerät - Google Patents
Elektroimpedanztomographie-Gerät Download PDFInfo
- Publication number
- DE10339084A1 DE10339084A1 DE10339084A DE10339084A DE10339084A1 DE 10339084 A1 DE10339084 A1 DE 10339084A1 DE 10339084 A DE10339084 A DE 10339084A DE 10339084 A DE10339084 A DE 10339084A DE 10339084 A1 DE10339084 A1 DE 10339084A1
- Authority
- DE
- Germany
- Prior art keywords
- frequency
- electrodes
- control unit
- voltage signals
- frequency spectrum
- 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
- A61B5/05—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
- A61B5/0536—Impedance imaging, e.g. by tomography
-
- 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
- Y10S128/908—Patient protection from electric shock
Abstract
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10339084.7A DE10339084B4 (de) | 2003-08-26 | 2003-08-26 | Elektroimpedanztomographie-Gerät |
US10/882,050 US7711418B2 (en) | 2003-08-26 | 2004-06-30 | Electroimpedance tomograph |
GB0418864A GB2405481B (en) | 2003-08-26 | 2004-08-24 | Electroimpedance tomography device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10339084.7A DE10339084B4 (de) | 2003-08-26 | 2003-08-26 | Elektroimpedanztomographie-Gerät |
Publications (2)
Publication Number | Publication Date |
---|---|
DE10339084A1 true DE10339084A1 (de) | 2005-04-21 |
DE10339084B4 DE10339084B4 (de) | 2015-10-29 |
Family
ID=33103702
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE10339084.7A Expired - Lifetime DE10339084B4 (de) | 2003-08-26 | 2003-08-26 | Elektroimpedanztomographie-Gerät |
Country Status (3)
Country | Link |
---|---|
US (1) | US7711418B2 (de) |
DE (1) | DE10339084B4 (de) |
GB (1) | GB2405481B (de) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102015101785A1 (de) * | 2015-02-09 | 2016-08-11 | Seca Ag | Bioimpedanzmessvorrichtung |
Families Citing this family (21)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7925329B2 (en) * | 2004-10-08 | 2011-04-12 | Proteus Biomedical, Inc. | Implantable doppler tomography system |
CA2609111C (en) | 2005-07-01 | 2016-10-18 | Scott Chetham | A method and apparatus for performing impedance measurements in accordance with determining an electrode arrangement using a displayed representation |
WO2007002991A1 (en) | 2005-07-01 | 2007-01-11 | Impedimed Limited | Monitoring system |
WO2007041783A1 (en) | 2005-10-11 | 2007-04-19 | Impedance Cardiology Systems, Inc. | Hydration status monitoring |
US20110066057A1 (en) * | 2005-10-31 | 2011-03-17 | Zdeblick Mark J | Electrical Angle Gauge |
US20070167758A1 (en) * | 2005-11-23 | 2007-07-19 | Costello Benedict J | Automated detection of cardiac motion using contrast markers |
CN100401044C (zh) * | 2006-03-21 | 2008-07-09 | 天津大学 | 双模电成像系统传感器及基于该传感器的图像重建方法 |
US20080208068A1 (en) * | 2007-02-26 | 2008-08-28 | Timothy Robertson | Dynamic positional information constrained heart model |
GB2449226B (en) * | 2007-04-02 | 2011-12-14 | Idmos Plc | Method and apparatus for analysing the structure of bone tissue |
CN100549684C (zh) * | 2007-04-18 | 2009-10-14 | 天津大学 | 基于方形双模自标定传感器的图像重建方法 |
JP5419861B2 (ja) | 2007-04-20 | 2014-02-19 | インぺディメッド リミテッド | インピーダンス測定装置および方法 |
WO2009009746A1 (en) * | 2007-07-11 | 2009-01-15 | Proteus Biomedical, Inc. | Spread spectrum electric tomography |
US20100280366A1 (en) * | 2008-05-13 | 2010-11-04 | Lawrence Arne | Continuous field tomography systems and methods of using the same |
EP2303135A2 (de) * | 2008-06-27 | 2011-04-06 | Proteus Biomedical, Inc. | Klinische anwendungen für mittels elektrischer tomographie gewonnener metrik |
US7969161B2 (en) * | 2008-12-02 | 2011-06-28 | Proteus Bomedical, Inc. | Optimal drive frequency selection in electrical tomography |
GB0908506D0 (en) * | 2009-05-18 | 2009-06-24 | Imagination Tech Ltd | Method and apparatus for drawing polygons |
US9615767B2 (en) | 2009-10-26 | 2017-04-11 | Impedimed Limited | Fluid level indicator determination |
CA2778770A1 (en) | 2009-11-18 | 2011-05-26 | Chung Shing Fan | Signal distribution for patient-electrode measurements |
JP5756132B2 (ja) | 2010-03-16 | 2015-07-29 | スイストム・アクチェンゲゼルシャフトSwisstom Ag | 走査電気インピーダンス断層撮影装置用の電極、および走査電気インピーダンス断層撮影装置 |
CA2858244A1 (en) | 2011-12-14 | 2013-06-20 | Intersection Medical, Inc. | Devices, systems and methods for determining the relative spatial change in subsurface resistivities across frequencies in tissue |
US8983578B2 (en) | 2012-02-27 | 2015-03-17 | General Electric Company | System and method for transducer placement in soft-field tomography |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3931395A1 (de) * | 1988-09-20 | 1990-03-29 | Pechiney Recherche | Verfahren und vorrichtung zur kontinuierlichen messung der elektrischen leitfaehigkeit fluessiger medien |
EP0669822B1 (de) * | 1992-10-30 | 1998-02-11 | Btg International Limited | Untersuchung eines körpers |
EP1000580A1 (de) * | 1998-11-11 | 2000-05-17 | Siemens-Elema AB | Vorrichtung zur elektrischen Impedanztomographie |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4441507A (en) * | 1981-11-30 | 1984-04-10 | Morris Steffin | High speed single electrode membrane voltage clamp |
GB9013177D0 (en) | 1990-06-13 | 1990-08-01 | Brown Brian H | Real-time imaging, etc. |
US5063937A (en) * | 1990-09-12 | 1991-11-12 | Wright State University | Multiple frequency bio-impedance measurement system |
US5454377A (en) * | 1993-10-08 | 1995-10-03 | The Ohio State University | Method for measuring the myocardial electrical impedance spectrum |
US5568144A (en) * | 1994-12-01 | 1996-10-22 | General Electric Company | Method for improving waveform digitization and circuit for implementing said method |
US5749369A (en) * | 1996-08-09 | 1998-05-12 | R.S. Medical Monitoring Ltd. | Method and device for stable impedance plethysmography |
RU2127075C1 (ru) | 1996-12-11 | 1999-03-10 | Корженевский Александр Владимирович | Способ получения томографического изображения тела и электроимпедансный томограф |
US6745070B2 (en) * | 1997-10-03 | 2004-06-01 | Tasc Ltd. | High definition electrical impedance tomography |
US7092748B2 (en) * | 2000-02-18 | 2006-08-15 | Centro Nacional De Investigaciones Cientificas (Cnic) | System and method for the tomography of the primary electric current of the brain and of the heart |
-
2003
- 2003-08-26 DE DE10339084.7A patent/DE10339084B4/de not_active Expired - Lifetime
-
2004
- 2004-06-30 US US10/882,050 patent/US7711418B2/en active Active
- 2004-08-24 GB GB0418864A patent/GB2405481B/en active Active
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3931395A1 (de) * | 1988-09-20 | 1990-03-29 | Pechiney Recherche | Verfahren und vorrichtung zur kontinuierlichen messung der elektrischen leitfaehigkeit fluessiger medien |
EP0669822B1 (de) * | 1992-10-30 | 1998-02-11 | Btg International Limited | Untersuchung eines körpers |
EP1000580A1 (de) * | 1998-11-11 | 2000-05-17 | Siemens-Elema AB | Vorrichtung zur elektrischen Impedanztomographie |
Non-Patent Citations (1)
Title |
---|
Wang W. et al.: "Signal Processing for Noise Equa-lisation within EIT Images", IN: IEE Colloquium on Innovations in Instrimentation for Electrical Tomography, 1995, S.6/1-6/3 * |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102015101785A1 (de) * | 2015-02-09 | 2016-08-11 | Seca Ag | Bioimpedanzmessvorrichtung |
Also Published As
Publication number | Publication date |
---|---|
US20050059901A1 (en) | 2005-03-17 |
GB0418864D0 (en) | 2004-09-29 |
DE10339084B4 (de) | 2015-10-29 |
US7711418B2 (en) | 2010-05-04 |
GB2405481A (en) | 2005-03-02 |
GB2405481B (en) | 2006-01-11 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
OP8 | Request for examination as to paragraph 44 patent law | ||
8127 | New person/name/address of the applicant |
Owner name: DRAEGER MEDICAL AG & CO. KG, 23558 LUEBECK, DE |
|
8127 | New person/name/address of the applicant |
Owner name: DRAEGER MEDICAL GMBH, 23558 LUEBECK, DE |
|
R081 | Change of applicant/patentee |
Owner name: DRAEGERWERK AG & CO. KGAA, DE Free format text: FORMER OWNER: DRAEGER MEDICAL AG & CO. KG, 23558 LUEBECK, DE Effective date: 20110201 Owner name: DRAEGER MEDICAL GMBH, DE Free format text: FORMER OWNER: DRAEGER MEDICAL AG & CO. KG, 23558 LUEBECK, DE Effective date: 20110201 |
|
R016 | Response to examination communication | ||
R018 | Grant decision by examination section/examining division | ||
R081 | Change of applicant/patentee |
Owner name: DRAEGERWERK AG & CO. KGAA, DE Free format text: FORMER OWNER: DRAEGER MEDICAL GMBH, 23558 LUEBECK, DE |
|
R082 | Change of representative |
Representative=s name: UEXKUELL & STOLBERG PARTNERSCHAFT VON PATENT- , DE Representative=s name: UEXKUELL & STOLBERG, DE |
|
R020 | Patent grant now final | ||
R071 | Expiry of right |