** Imricor Medical Systems IMR.AX jumps as much as 15% to A$1.57; marks biggest intraday pct jump since September 9
** Stock hits highest since October 7; among top gainers on All Ordinaries index .AORD
** Medical devices maker announces successful completion of first ischemic ventricular tachycardia ablation ever performed under real-time MRI guidance in an iCMR lab
** Procedure meant to rectify hearth rythm disorder
** YTD, IMR gains 11.8%
(Reporting by Shruti Agarwal in Bengaluru)
((Shruti.Agarwal@thomsonreuters.com))