Abstract: A system for monitoring tissue lesion development during a medical ablation process applied to a patient, the system comprising a catheter ablation device having at least one catheter electrode, the device connectable via an electrical feedline to a source of electrical energy and configured to apply ablation energy to ablate tissue in a target region, a plurality of external electrodes for application to the body of the patient, measurement circuitry for determining an electrical characteristic of a current path between the at least one catheter electrode and the external electrodes in the absence of said application of ablation energy, and an electrical controller.

Abstract: A needle insertion device configured to insert a needle into a lumen of a vessel of a subject, the insertion device comprising an insertion mechanism configured to insert the needle into the lumen of the vessel at high speed, in accordance with one or more predetermined parameters.

Abstract: The present invention provides a fixation device comprising at least two inflatable and deflatable cushions (3,4) of two different types. The cushion of the first type (3) is deformable when inflated and not deformable when deflated, while the cushion of the second type (4) is arranged to at least partially expand into the direction of a cushion of the first type upon inflation. The fixation device provides for an improved fit and will easily and perfectly adapt to the shape and size of almost every body part.