Global Patent Index - EP 0487706 A4

EP 0487706 A4 19930728 - METHODS FOR DETECTING AND EVALUATING HEART DISORDERS

Title (en)

METHODS FOR DETECTING AND EVALUATING HEART DISORDERS

Publication

EP 0487706 A4 19930728 (EN)

Application

EP 91912397 A 19910606

Priority

  • US 54188190 A 19900620
  • US 70175391 A 19910517

Abstract (en)

[origin: WO9119452A1] ECG signals are received from the patient (102), processed (103) to determine deviations from the normal and displayed (104) either as a frequency transformed signal or as a graph of the signal against one of its derivatives in a phase plane plot. The results, depending on the signal and circumstances may be interpreted to obtain information about heart disorders, the degree of drug toxicity or the efficacy of a particular drug. Further, an automatic defibrillator uses the ECG signal received (703) from the patient and processes (704) processing to determine the amount of energy to be discharged into the heart by the shock device (705).

IPC 1-7

A61B 5/044

IPC 8 full level

A61B 5/0452 (2006.01); A61B 10/00 (2006.01); A61N 1/08 (2006.01); A61N 1/39 (2006.01); G06F 17/00 (2006.01)

CPC (source: EP US)

A61N 1/3925 (2013.01 - EP US)

Citation (search report)

  • [A] US 4934374 A 19900619 - OSTLUND STELLAN [US], et al
  • [X] CIRCULATION vol. 75, no. 1-2, January 1987, pages 134 - 139 SHIMIZU G. ET AL 'PHASE PLAN ANALYSIS OF LEFT VENTRICULAR CHAMBER FILLING AND MIDWALL FIBER LENGTHENING IN PATIENTS WITH LEFT VENTRICULAR HYPERTROPHY'
  • [X] CIRCULATION vol. 81, no. 3, March 1990, pages 886 - 898 PAULUS W.J. ET AL 'WIDE RANGE LOAD SHIFT OF COMBINED AORTIC VALVULOPLASTY-ARTERIAL VASODILATION SLOWS ISOVOLUMIC RELAXATION OF THE HYPERTROPHIED LEFT VENTRICLE'
  • [X] INTERNATIONAL JOURNAL OF SYSTEM SCIENCE vol. 13, no. 6, June 1982, pages 703 - 706 NATH N.G. ET AL 'PHASE PLANE PRESENTATION OF ELCTROCARDIOGRAMS'
  • [X] RAVELLI F, ANTOLINI R: "ANALYSIS OF THE VENTRICULAR FIBRILLATION ECG WITH METHODS FROM NONLINEAR DYNAMICS", PROCEEDINGS OF THE COMPUTERS IN CARDIOLOGY MEETING. JERUSALEM, SEPT. 19 - 22, 1989., WASHINGTON, IEEE COMP. SOC. PRESS., US, vol. MEETING 16, 19 September 1989 (1989-09-19), US, pages 501 - 504, XP000200721, ISBN: 978-0-8186-2114-7
  • [A] PROCEEDINGS OF THE 8TH NORTHEAST BIOENGINEERING CONFERENCE; IEEE PRESS, NEW YORK, US 1980, CAMBRIDGE, MA, US pages 217 - 221 KLINGER J.W. ET AL 'PHASE PLAN ANALYSIS AS A SENSITIVE INDICATOR OF LEFT VENTRICULAR KINETICS'
  • [A] MATHEMATICAL BIOSCIENCES vol. 37, no. 1-2, 1977, pages 51 - 61 JORNE J. ET AL 'LIAPUNOV STABILITY OF THE DIFFUSIVE LOTKA-VOLTERRA EQUATIONS'
  • See references of WO 9119452A1

Designated contracting state (EPC)

AT BE CH DE DK ES FR GB GR IT LI LU NL SE

DOCDB simple family (publication)

WO 9119452 A1 19911226; AU 8102391 A 19920107; CA 2064887 A1 19911221; EP 0487706 A1 19920603; EP 0487706 A4 19930728; JP 3338049 B2 20021028; JP H05502816 A 19930520

DOCDB simple family (application)

US 9104000 W 19910606; AU 8102391 A 19910606; CA 2064887 A 19910606; EP 91912397 A 19910606; JP 51192191 A 19910606