WO2005112773A3 - System and method to measure cardiac ejection fraction - Google Patents

System and method to measure cardiac ejection fraction Download PDF

Info

Publication number
WO2005112773A3
WO2005112773A3 PCT/US2005/017390 US2005017390W WO2005112773A3 WO 2005112773 A3 WO2005112773 A3 WO 2005112773A3 US 2005017390 W US2005017390 W US 2005017390W WO 2005112773 A3 WO2005112773 A3 WO 2005112773A3
Authority
WO
WIPO (PCT)
Prior art keywords
ejection fraction
cardiac ejection
measure cardiac
time points
change
Prior art date
Application number
PCT/US2005/017390
Other languages
French (fr)
Other versions
WO2005112773A2 (en
Inventor
Vikram Chalana
Stephen Dudycha
Steven J Shankle
Gerald Mcmorrow
Original Assignee
Diagnostic Ultrasound Corp
Vikram Chalana
Stephen Dudycha
Steven J Shankle
Gerald Mcmorrow
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Diagnostic Ultrasound Corp, Vikram Chalana, Stephen Dudycha, Steven J Shankle, Gerald Mcmorrow filed Critical Diagnostic Ultrasound Corp
Publication of WO2005112773A2 publication Critical patent/WO2005112773A2/en
Publication of WO2005112773A3 publication Critical patent/WO2005112773A3/en

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B8/00—Diagnosis using ultrasonic, sonic or infrasonic waves
    • A61B8/48—Diagnostic techniques
    • A61B8/483—Diagnostic techniques involving the acquisition of a 3D volume of data
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B8/00—Diagnosis using ultrasonic, sonic or infrasonic waves
    • A61B8/06—Measuring blood flow
    • A61B8/065—Measuring blood flow to determine blood output from the heart
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B8/00—Diagnosis using ultrasonic, sonic or infrasonic waves
    • A61B8/08—Detecting organic movements or changes, e.g. tumours, cysts, swellings
    • A61B8/0883—Detecting organic movements or changes, e.g. tumours, cysts, swellings for diagnosis of the heart
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B6/00—Apparatus for radiation diagnosis, e.g. combined with radiation therapy equipment
    • A61B6/50—Clinical applications
    • A61B6/503—Clinical applications involving diagnosis of heart
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B6/00—Apparatus for radiation diagnosis, e.g. combined with radiation therapy equipment
    • A61B6/54—Control of apparatus or devices for radiation diagnosis
    • A61B6/541—Control of apparatus or devices for radiation diagnosis involving acquisition triggered by a physiological signal
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B8/00—Diagnosis using ultrasonic, sonic or infrasonic waves
    • A61B8/46—Ultrasonic, sonic or infrasonic diagnostic devices with special arrangements for interfacing with the operator or the patient
    • A61B8/461—Displaying means of special interest
    • A61B8/462—Displaying means of special interest characterised by constructional features of the display

Abstract

A system and method to acquire 3D ultrasound-based images during the end-systole and end-diastole time points of a cardiac cycle to allow determination of the change and percentage change in left ventricle volume at the time points.
PCT/US2005/017390 2004-05-17 2005-05-17 System and method to measure cardiac ejection fraction WO2005112773A2 (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US57179904P 2004-05-17 2004-05-17
US57179704P 2004-05-17 2004-05-17
US60/571,799 2004-05-17
US60/571,797 2004-05-17

Publications (2)

Publication Number Publication Date
WO2005112773A2 WO2005112773A2 (en) 2005-12-01
WO2005112773A3 true WO2005112773A3 (en) 2007-06-21

Family

ID=35428801

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2005/017390 WO2005112773A2 (en) 2004-05-17 2005-05-17 System and method to measure cardiac ejection fraction

Country Status (1)

Country Link
WO (1) WO2005112773A2 (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009011468A (en) 2007-07-03 2009-01-22 Aloka Co Ltd Ultrasound diagnosis apparatus
WO2009047698A1 (en) * 2007-10-10 2009-04-16 Koninklijke Philips Electronics, N.V. Ultrasound-communications via wireless-interface to patient monitor
US10835207B2 (en) 2009-12-23 2020-11-17 Biosense Webster (Israel) Ltd. Fast anatomical mapping using ultrasound images
JP2013135974A (en) * 2013-04-10 2013-07-11 Hitachi Aloka Medical Ltd Ultrasonic diagnosis apparatus
CN112656445B (en) * 2020-12-18 2023-04-07 青岛海信医疗设备股份有限公司 Ultrasonic device, ultrasonic image processing method and storage medium

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5601084A (en) * 1993-06-23 1997-02-11 University Of Washington Determining cardiac wall thickness and motion by imaging and three-dimensional modeling
US5993390A (en) * 1998-09-18 1999-11-30 Hewlett- Packard Company Segmented 3-D cardiac ultrasound imaging method and apparatus
US6106466A (en) * 1997-04-24 2000-08-22 University Of Washington Automated delineation of heart contours from images using reconstruction-based modeling
US6537220B1 (en) * 2001-08-31 2003-03-25 Siemens Medical Solutions Usa, Inc. Ultrasound imaging with acquisition of imaging data in perpendicular scan planes
US20030187362A1 (en) * 2001-04-30 2003-10-02 Gregory Murphy System and method for facilitating cardiac intervention

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5601084A (en) * 1993-06-23 1997-02-11 University Of Washington Determining cardiac wall thickness and motion by imaging and three-dimensional modeling
US6106466A (en) * 1997-04-24 2000-08-22 University Of Washington Automated delineation of heart contours from images using reconstruction-based modeling
US5993390A (en) * 1998-09-18 1999-11-30 Hewlett- Packard Company Segmented 3-D cardiac ultrasound imaging method and apparatus
US20030187362A1 (en) * 2001-04-30 2003-10-02 Gregory Murphy System and method for facilitating cardiac intervention
US6537220B1 (en) * 2001-08-31 2003-03-25 Siemens Medical Solutions Usa, Inc. Ultrasound imaging with acquisition of imaging data in perpendicular scan planes

Also Published As

Publication number Publication date
WO2005112773A2 (en) 2005-12-01

Similar Documents

Publication Publication Date Title
WO2005112773A3 (en) System and method to measure cardiac ejection fraction
Vauhkonen Image Reconstruction in Three-Dimensional Electrical Impedance Tomography (Kolmedimensionaalinen Kuvantaminen Impedanssitomografiassa)
WO2006054903A3 (en) Method of cardiac imaging with the use of hyperpolarized 13 c-pyruvate
WO2005003792A3 (en) Method and apparatus for placing sensors using 3d models
EP1719979A4 (en) Ultrasonic flowmeter compatible with both of pulse doppler method and propagation time difference method, method and program for automatically selecting the measurement method in the flowmeter, and electronic device for the flowmeter
EP1717758A3 (en) Three-dimensional cardiac imaging using ultrasound contour reconstruction
WO2007127534A3 (en) System and method for characterization of atrial wall using digital signal processing
EP2449996A3 (en) Zero-drift detection and correction in contact force measurements
WO2005117977A3 (en) Tissue-specific imaging and therapeutic agents targeting proteins expressed on lung endothelial cell surface
GB2401797B (en) Golf club with diagonally reinforced contoured front wall
WO2009003128A3 (en) Method and system for detecting lung tumors and nodules
GB2476783B (en) Anisotropic depth velocity model estimation above the receiver array in walkaway or 3D VSP data
WO2007016055A3 (en) Processing three-dimensional data
ATE470199T1 (en) INTERVENTION-FREE LEFT CHAMBER VOLUME DETERMINATION
WO2007029199A3 (en) Ultrasound system for reliable 3d assessment of right ventricle of the heart and method of doing the same
WO2007084647A3 (en) Visualization of three-dimensional data acquisition
EP2570825A3 (en) Borehole resistivity imager using discrete energy pulsing
EP1962946A4 (en) Method and apparatus for determining cardiac performance in a patient
WO2008091568A3 (en) Applications of scaling laws of tree structures
FR2925315B1 (en) KIT COMPRISING AN ALGINATE AND A COMPLEXING AGENT IN THE FORM OF WATER-SOLUBLE SALT
WO2010062392A3 (en) Conformance model
WO2009147279A8 (en) Method and apparatus in connection with exercise
WO2009101626A3 (en) Method and system for use in monitoring left ventricular dysfunction
WO2008087445A3 (en) Magnetic resonance imaging
Seemantini et al. Three-dimensional echocardiography: assessment of inter-and intra-operator variability and accuracy in the measurement of left ventricular cavity volume and myocardial mass

Legal Events

Date Code Title Description
AK Designated states

Kind code of ref document: A2

Designated state(s): AE AG AL AM AT AU AZ BA BB BG BR BW BY BZ CA CH CN CO CR CU CZ DE DK DM DZ EC EE EG ES FI GB GD GE GH GM HR HU ID IL IN IS JP KE KG KM KP KR KZ LC LK LR LS LT LU LV MA MD MG MK MN MW MX MZ NA NG NI NO NZ OM PG PH PL PT RO RU SC SD SE SG SK SL SM SY TJ TM TN TR TT TZ UA UG US UZ VC VN YU ZA ZM ZW

AL Designated countries for regional patents

Kind code of ref document: A2

Designated state(s): BW GH GM KE LS MW MZ NA SD SL SZ TZ UG ZM ZW AM AZ BY KG KZ MD RU TJ TM AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LT LU MC NL PL PT RO SE SI SK TR BF BJ CF CG CI CM GA GN GQ GW ML MR NE SN TD TG

121 Ep: the epo has been informed by wipo that ep was designated in this application
NENP Non-entry into the national phase

Ref country code: DE

WWW Wipo information: withdrawn in national office

Country of ref document: DE

122 Ep: pct application non-entry in european phase