Importance

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Abstract

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 member extending outwardly of the annular mounting portion; and a tapered tip of radiopaque material including a tip central portion providing a tip central passageway receiving the tubular mounting member and a tip mounting portion abutting and bonded to the annular mounting portion, the tip central portion bonded to the tubular mounting member. The process of manufacturing a catheter, including the steps of: providing 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, providing an annular mounting portion at one end of the reinforced tube and providing a tubular mounting member extending outwardly of the annular mounting portion, and providing a tapered tip of radiopaque material including a tip central portion providing a tip central passageway and a tip annular mounting portion, bonding the tip annular mounting portion to the tube annular mounting portion and bonding the tip central portion to the tubular mounting member.

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First Claim