Siemens Aktiengesellschaft

Guenter Temme

Helmut Reichenberger

Dietrich Hassler

A method and apparatus for non-destructively or non-invasively measuring a temperature change in the inside of a subject, in particular a living subject, identify the temperature change in a region of interest during the course of producing ultrasound images of the region by determining the change of the acoustic impedance of the region of interest, and allocating a temperature change to the impedance change. An installation for treating a living subject with heating radiation which employs the above method and apparatus for measuring the temperature change of a region of treatment, is also disclosed.

Method and apparatus for non-invasive measurement of a temperature

An ultrasound apparatus has a first group of transmission and reception channels that are respectively allocated to elementary transducer in the active aperture of a connectable transducer array. The central transmission location generated by a transmission channel and the reception location sampled by a reception channel coincide and lie on the allocated elementary transducer. In addition, a second group of transmission and/or reception channels is present, each being respectively simultaneously connectable to a plurality of elementary transducers via transmission and/or reception transfer stages for generating a virtual transmission and/or reception location that lies between the elementary transducers.

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Spardorf, Germany

Guenter Temme