Pusher sheath and deployment device
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United States of America Patent
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N/A
Issued Date -
Jun 5, 2008
app pub date -
Nov 30, 2007
filing date -
Nov 30, 2006
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
A stent or stent-graft deployment device and in particular a pusher member for such a device are disclosed. The pusher member (62) is provided with a reduced outer diameter section (64) and a pusher head (60). The reduced outer diameter section (64) reduces the thickness of the wall of the pusher member (62), with the result that the rigidity of the pusher member (62) is reduced at its distal end. This reduction in rigidity reduces the transition in flexibility between a guidewire catheter (24) extending through and beyond an inner channel of the pusher member (62) and the distal end of the pusher member (62). Thus, there is a gradual change in rigidities at the junction between these two components, which can reduce the possibility of kinking.
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