This is an implantable vaso-occlusive device. It is typically a vaso-occlusive coil comprising a primary helically wound coil which may then be wound into a secondary shape. Central to the invention is the use of a stretch-resisting member extending through the lumen formed, which stretch-resisting member...http://www.google.com.au/patents/US6193728?utm_source=gb-gplus-sharePatent US6193728 - Stretch resistant vaso-occlusive coils (II)
