interventional medical device for recovering and securing an obstruction within a vessel lumen, method of securing an obstruction within a vessel, method of preparing a retrieval device, medical device retrieval system, for securing an obstruction within a lumen and for use with a catheter configured to be navigated through the vasculature, interventional medical device to secure a retrieval device having one or more obstructions located therein for removal of a body and stent retrieval device to expand against one or more occlusive bodies in a vasculature