A thermally activated occlusive implant delivery assembly is provided. The assembly includes an occlusive implant device and a pusher. The pusher has a distal section and a proximal section. The distal section includes a coupling portion which is shape memory material and exhibits different configurations...http://www.google.es/patents/US5578074?utm_source=gb-gplus-sharePatente US5578074 - Implant delivery method and assembly
