A surgical apparatus and method for occluding or encircling a body passageway, e.g. for haemostasis, is described. The apparatus comprises generally a delivery system for offering a temperature-dependent shape memory material clip (3) (e.g. of Nitinol and suitably of generally U-shape in the open (a)...http://www.google.co.uk/patents/US6607542?utm_source=gb-gplus-sharePatent US6607542 - Surgical apparatus and method for occluding or encircling a body passageway
