Method for determining, in real time, the probability that target biological tissue is opposite an ultrasonic transducer
Dates
on the February 7, 2013
Laurent Sandrin, Véronique Miette, Jennifer Oudry, Stéphane Audiere, Yassine Mofid
Publication number : WO/2013/017532 ; application number : PCT/EP2012/064738.
Summary
The invention relates to a method for determining, in real time, the probability that target biological tissue is opposite an ultrasonic transducer, said method comprising the following steps: transmitting, via an ultrasonic transducer, an ultrasonic signal into biological tissue; said ultrasonic transducer receiving said transmitted ultrasonic signal which has been backscattered by said biological tissue; calculating at least two instantaneous parameters E, LIN, ATT of said backscattered ultrasonic signal; calculating a predictive value P of the presence of an acoustic signature of target biological tissue, said predictive value P being calculated via a statistical law using said at least two calculated instantaneous parameters E, LIN, ATT; estimating the probability that said target biological tissue is opposite said ultrasonic transducer, said estimation depending on said calculated predictive value P and/or on at least one strength condition based on at least one of said two calculated instantaneous parameters E, LIN, ATT.
