A tubular guidewire assembly having a distal occlusive device and an extended crimpable section proximate a proximal end that is adapted to connect to a gas inflation/evacuation system. The extended crimpable section can be selectively sealed at one of a plurality of separate locations to form an airtight...http://www.google.com/patents/US7169161?utm_source=gb-gplus-sharePatent US7169161 - Guidewire having occlusive device and repeatably crimpable proximal end
