The apparatus for deployment of a therapeutic device such as a micro-coil detachably mounts the therapeutic device to a distal portion of a pusher member. In one embodiment, the therapeutic device is detachably mounted to the distal portion of the pusher member by a tubular collar that can be heated...http://www.google.co.uk/patents/US6478773?utm_source=gb-gplus-sharePatent US6478773 - Apparatus for deployment of micro-coil using a catheter
