A medical device including a catheter having a first component having a first color and a wall thickness and a second component having a second color different from the first color and a wall thickness. The first component and the second component are joined by a lap weld having a wall thickness such...http://www.google.es/patents/US7815624?utm_source=gb-gplus-sharePatente US7815624 - Medical devices and methods of making the same
