Patent ID: 6123675
Filing Date: 2000-09-26
Classification: G01K

Abstract:
A temperature gradient sensing probe for insertion into tissue undergoing a hyperthermic treatment process and for measuring a temperature gradient in said tissue, the temperature gradient sensing probe comprising:a shaft having a supporting surface; anda printed circuit thermocouple array residing on the supporting surface of the shaft, the printed circuit thermocouple array being formed by an electrically insulative sheet having:a first surface, a second surface and N electrically conductive junctions passing through the sheet from the first surface to the second surface, wherein N is an integer greater than one,N electrically conductive paths formed from a first conductive material applied to the first surface, wherein each of the N conductive paths formed from the first conductive material have a junction end electrically connected respectively to one of the N conductive junctions and a connector end for electrical connection to a signal transmission conduit, andN electrically conductive paths formed from a second conductive material, dissimilar to the first electrically conductive material, applied to the second surface, wherein each of the N conductive paths formed from the second electrically conductive material has a junction end electrically connected to one of the N conductive junctions and a connector end for electrical connection to a signal transmission conduit.