Biomagnetic measurement apparatus

Details Biomagnetic measurement apparatus Biomagnetic measurement apparatus

2005-07-19

2010-02-23

Casler, Brian (Department: 3737)

Surgery

Diagnostic testing

Detecting nuclear, electromagnetic, or ultrasonic radiation

C600S408000, C600S409000, C324S232000, C324S240000, C324S244000, C324S248000

Reexamination Certificate

active

07668581

ABSTRACT:
A CAM (current arrow map)71and another CAM72are obtained from magnetocardiogram waveforms measured from both front and back sides of a subject using data at a point of time of an R-wave peak, then the coordinates of the CAM72are inverted in both x and y axis directions to obtain a CAM73. The coordinates of each of the CAMs71and73are converted to polar coordinates to obtain CAMs74and75at both front and back sides of the subject. After that, the CAM74is adjusted to the CAM76in scale to obtain a CAM76, and CAMs74and76are combined. Then, the CAM data at measuring points on each measuring-points-missing radius vector is inserted through an arithmetic processing by interpolation so that CAM data at every measuring point on a planispheric chart77are connected to each another consecutively.

REFERENCES:
patent: 5495849 (1996-03-01), Hayashi et al.
patent: 6053869 (2000-04-01), Kawagishi et al.
patent: 6187032 (2001-02-01), Ohyu et al.
patent: 6230037 (2001-05-01), Tsukada et al.
patent: 6248070 (2001-06-01), Kanda et al.
patent: 6528994 (2003-03-01), Suzuki et al.
patent: 6539245 (2003-03-01), Tsukada et al.
patent: 6611142 (2003-08-01), Jones et al.
patent: 6735460 (2004-05-01), Tsukada et al.
patent: 6745063 (2004-06-01), Tsukada et al.
patent: 6992482 (2006-01-01), Shay et al.
patent: 7106057 (2006-09-01), Matthews et al.
patent: 7123952 (2006-10-01), Nakai et al.
patent: 7126338 (2006-10-01), MacGregor et al.
patent: 7235968 (2007-06-01), Popovic et al.
patent: 7403809 (2008-07-01), Tsukada et al.
patent: 2001/0009975 (2001-07-01), Tsukada et al.
patent: 2002/0050815 (2002-05-01), Suzuki et al.
patent: 2002/0115927 (2002-08-01), Tsukada et al.
patent: 0479208 (1992-04-01), None
patent: 2001-252253 (2001-09-01), None
patent: 2004-181041 (2004-07-01), None
Jorg Schreiber, “A New Method for Choosing the Regularization Parameter in Time-Dependent Inverse Problems and Its Application to Magnetocardiography”, IEEE Transactions on Magnetics, vol. 40, No. 2, Mar. 2004, pp. 1104-1107.
Part IV Visual Determination of Generators of the Magnetocardiogram, by Hosaka, et al. pp. 426-432. J. Electrocardiologoy, 9 (4) 1976.
“Noninvasive Diagnosis of Arrhythmic Foci by Using Magnetocardiograms-Method and Accuracy of Magneto-Anatomical Mapping System”, Yamada, et al. vol. 16, No. 5, 2000. pp. 580-586.
“Construction of Tangential Vectors From Normal Cardiac Magnetic Field Components” by Miyashita, et al. pp. 520-523. 1998 IEEE.
Noninvasive Visualization of Multiple Simultaneously Activated Regions on Torso Magnetocardiographic Maps During Ventricular Depolarization, by Tsukada, et al. pp. 305-313. Journal of Electrocardiology vol. 32 No. 4. 1999.
“A Method of Detecting Myocardial Abnormality by using a current-ratio Map Calcuated form an Exercise-Induced Magnetocardiogram” by A. Kandori, et al. pp. 29-34. Medical & Biological Engineering & Computing 2001, vol. 39.
vol. 41, No. 1 (2003)25-34.
Three-Dimensional Automatic Image Warping in Cardiac SPECT. By A. Ella, et al. Nuclear Medicine Communications, 2000, 21, 1135-1146.
“Three-Dimensional Echocardiography for Quantitative left Ventricular Wall Motion Analysis” by Maehle, et al. vol. 11, No. 4, 1994. pp. 397-408.
A. Weis et al., “Dynamical MCG Mapping with an Atomic Vapor Magnetometer”, Neurology and Clinical neurophysiology, Nov. 30, 2004, pp. 646-647.

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