Appeal No. 2000-1948 Page 6
Application No. 08/751,087
inter alia, an elongate tubular sheath for maintaining the
implant in a low profile configuration and an implant retainer
engageable with the trailing end of the implant, the implant
retainer being receivable within the sheath whereby the sheath
may be moved between a forward, implant-capturing position in
which the implant retention device is contained within the
sheath and a rearward, implant-release position in which the
implant retainer is disposed forwardly beyond the end of the
sheath; wherein the implant retainer is constructed to engage
the implant to enable the leading end of the implant to self-
expand as the sheath is moved toward the implant-release
position.
Williams discloses a stent delivery catheter handle for
providing relative motion between the outer sheath of a stent
delivery catheter and an underlying catheter, via a
thumbswitch, to enable the outer sheath to withdraw from over
the underlying catheter and expose a vascular prosthesis.
Figures 1-5 of Williams show a retractable sleeve stent
delivery handle. A retractable sheath 10 of a stent delivery
catheter 20 is received by the distal nosepiece 25 of a
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