In a medical guide wire, a core line securement portion (11) is provided in which the core wire (2) is fixed to an inner side of the helical coil body (3) so as to form a top leading end portion (10) between the core line securement (11) and the head plug (4). A flat plane structure (13) is formed in...http://www.google.com.au/patents/US20050096568?utm_source=gb-gplus-sharePatent US20050096568 - Medical guide wire
