HANCOCK, Christopher Paul,WHITE, Malcolm,HALES, Philip William,SAUNDERS, Brian,HOLMES, Sandra May Bernadette
申请号：
ES14725510
公开号：
ES2638791T3
申请日:
2014.05.13
申请国别(地区):
ES
年份:
2017
代理人:
摘要：
An electrosurgical instrument (300) comprising: an elongated probe comprising a coaxial cable (302) for transporting radio frequency (RF) and / or microwave frequency electromagnetic (EM) energy, and a probe tip connected to the distal end of the coaxial cable to receive RF and / or microwave energy； and a gas conduit (320) for transporting gas through the elongated probe to the tip of the probe, in which the coaxial cable comprises an inner conductor (312), an outer conductor (310) and a dielectric material that separates the inner conductor of the outer conductor, in which the tip of the probe comprises a first electrode connected to the inner conductor of the coaxial cable and a second electrode (321) connected to the outer conductor of the coaxial cable, characterized in that: the first electrode and the Second electrodes are movable relative to each other between: a first configuration in which they are arranged to produce an electric field from the EM energy of RF and / or microwave frequency through a gas flow path received from the conduit of gas to produce a thermal or non-thermal plasma, and a second configuration in which the first electrode extends distally beyond the second electrode to form a structure a radiant to emit an EM microwave field outward from the probe tip.Un instrumento electroquirúrgico (300) que comprende: una sonda alargada que comprende un cable coaxial (302) para transportar energía electromagnética (EM) de radiofrecuencia (RF) y/o de frecuencia de microondas, y una punta de sonda conectada al extremo distal del cable coaxial para recibir la energía de RF y/o de microondas； y un conducto de gas (320) para transportar gas a través de la sonda alargada hasta la punta de la sonda, en el que el cable coaxial comprende un conductor interior (312), un conductor exterior (310) y un material dieléctrico que separa el conductor interior del conductor exterior, en el que la punta de la sonda comprende un primer electrodo conectado al conductor
