The guidewire attachment assembly comprises a tubing affixed to the proximal end of a guidewire. Inside the tubing is a shoulder and a ramp for directing and positioning a bolt arranged at the end of a resilient shaft affixed to the distal end of the extension wire. The assembly provides a positive locking...http://www.google.es/patents/US5605163?utm_source=gb-gplus-sharePatente US5605163 - Guidewire attachment assembly
