STENT DELIVERY DEVICE

摘要

A stent delivery device (20) is disclosed that includes an inner tube (30) having a distal portion (32) which carries the stent (10) on the delivery device (20). At least part of the inner tube (30) is formed from a spirally wound wire. A movable outer tube (50) is used to constrain the stent (10) in a radially contracted state on the distal portion (32) of the inner tube (30). A substantially straight elongate wire (34) is configured inside the spirally wound wire and bonded at the distal and proximal portions of the wound wire. The outer tube (50) may have at least one side port (54) adjacent to the distal portion in communication with the annular space between the outer tube (50) and the inner tube (30) allowing radiopaque fluid to be injected through the annular space and out the side port (54) in the vicinity of the stent (10).