Patent ID: 8652124

Claim:
An arrangement adapted for biopsy, the arrangement comprising: an elongated hollow member to receive a biopsy sample, the elongated hollow member having: two ends and an electrode, the electrode including a plurality of segments, at least one portion of the electrode being arranged at least near one of the two ends of the elongated hollow member, the electrode being connectable to an electromagnetic field generator, and the elongated hollow member being arranged to be at least partly inserted into a human body or an animal body to receive the biopsy sample, sensing means arranged to: sense a movement of the elongated hollow member, and control means, the control means: arranged to control the electromagnetic field generator for delivering radio frequency bursts to the electrode of the elongated hollow member, being connectable to the electromagnetic field generator, and including trigger means to: trigger the electromagnetic field generator to deliver the radio frequency bursts when the sensing means senses the movement of the elongated hollow member, and the control means being to: turn off a particular segment, of the plurality of segments of the electrode, at an air-skin interface of the elongated hollow member based on an impedance between at least part of the electrode and a counter electrode.