A catheter, including: a reinforced tube including a plurality of concentric bonded tubular layers of non-radiopaque material and a radiopaque, coil spring captured between adjacent ones of the tubular layers, one end of the reinforced tube providing an annular mounting portion and a tubular mounting...http://www.google.es/patents/US20080108974?utm_source=gb-gplus-sharePatente US20080108974 - Reinforced catheter with radiopaque distal tip and process of manufacture
Reinforced catheter with radiopaque distal tip and process of manufacture
