| 摘要 |
A catheter for the treatment of tumors by hyperthermia induced by radiofrequency or other energy comprises a tubular body (1) having a proximal end (2) connected to a handle member and near the other end a cooled metal plate (5) capable to act as active electrode provided with an electric cable (8) for connection to the energy generator and with thermistors (9, 10) to be connected to the display of said generator, the tubular body (1) having at least a longitudinal channel (11, 12) for the passage of tissual thermistors, a longitudinal channel (11, 12) for the passage of electric cables and a pair of longitudinal channels for inflow and outflow pipes of the liquid cooling the metal plate (5). The metal plate can be built in a ring-like form, wherein the body of the ring has an empty space intended for the circulation of the cooling fluid.
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