An angioplasty device for dilating the lumen of a human blood vessel has a balloon and a tubular guide wire bonded to one end of the balloon. The guide wire is in fluid communication with the balloon. A guide extension is bonded to the opposite end of the balloon from the guide wire. An elongated spring...http://www.google.es/patents/US5209727?utm_source=gb-gplus-sharePatente US5209727 - Guide wire with integral angioplasty balloon
