Surgery – Truss – Pad
Patent
1993-06-04
1994-11-08
Sykes, Angela D.
Surgery
Truss
Pad
128733, 128741, A61B 50476
Patent
active
053617746
ABSTRACT:
An equivalent dipole localization system comprising, potential measurement means for simultaneously measuring the potentials on a plurality of electrodes attached in a living body, dipole model calculation means for assuming a electric dipole at a given position in the living body having a character of a medium and calculating positions corresponding to the plurality of electrodes formed by the electric dipole, correlation function calculation means for calculating a spacial correlation function of the potential on each electrode from the measurement of the potential measurement means, maximum likelihood estimated error calculation means for calculating an error between a measured value obtained by the potential measurement means and a calculated value obtained by the dipole model calculation means according to calculated values obtained by the correlation function calculation means, and equivalent electric dipole setting means for setting an equivalent electric dipole by obtaining the location, the vector component and the intensity thereof of electric dipole that can minimize the error obtained by the maximum likelihood estimated error calculation means.
REFERENCES:
patent: 5228443 (1993-07-01), Tatar
Van Dijk Bob W.
Yamazaki Toshimasa
NEC Corporation
Sykes Angela D.
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