Importance

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Abstract

An apparatus for effecting hyperthermia in a narrow body cavity or duct including: a disposable first part (1) having an elongate distal section (5) intended to be inserted into the cavity or duct having a centrally located, heat-releasing element (22), which is either surrounded by an elongate housing (24) or is itself constituted by an elongate housing, and a flexible and/or elastic enclosure (23) surrounding the housing in a liquid-tight manner, further including a device for supplying energy to the heat-releasing element (22) and an axially operating first inlet (135) at the proximal part of the housing, an outlet (133) from the housing being arranged for the supply of heat-transmitting medium under pressure for expansion of the flexible enclosure (23) to accommodate and to exert a controlled pressure on surrounding walls of the cavity or duct, a second inlet (131) to the housing (24), and medium-actuating device (13, 19) for the expansion of the flexible enclosure (23) and for internal circulation of the medium through the housing (24); and a permanent non-disposable second part (51) having a drive (55, 75) for the device (13, 19) for expansion and for internal circulation, and a connection (43, 59; 41, 81) for releasably interconnecting the drive (55, 75) and the device means (13, 19) for expansion and internal circulation.

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First Claim