Prosthesis (i.e. – artificial body members) – parts thereof – or ai – Arterial prosthesis – Stent combined with surgical delivery system
Reexamination Certificate
2006-04-04
2006-04-04
Dawson, Glenn K. (Department: 3731)
Prosthesis (i.e., artificial body members), parts thereof, or ai
Arterial prosthesis
Stent combined with surgical delivery system
C623S001230, C606S108000
Reexamination Certificate
active
07022133
ABSTRACT:
A multi-sheath delivery catheter and method for introducing a prosthesis into a body lumen involving use of (a) an outer sheath adapted to contain a portion of the prosthesis and having an inner surface with a non-round cross-section; (b) a middle sheath slideably disposed at least partly within the outer sheath and adapted to contain another portion of the prosthesis, the middle sheath having a distal end with a first handle attached to it that has a non-round cross-section corresponding to and engaging the non-round cross-section of the inner surface of the outer sheath; and (c) a pusher slideably disposed at least partly within the middle sheath and adapted to engage the prosthesis, relative rotational movement between the outer sheath and the middle sheath is prevented by virtue of the engagement of the non-round cross-section of the first handle with the non-round cross-section of the inner surface of the outer sheath. The delivery catheter has a mechanism for sequentially retracting concentric tubes to deploy the prosthesis.
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Communication with Supplementary Partial European Search Report for corresponding European Application No. EP 98 95 8554, mailed Sep. 29, 2003.
Christie Robert
Occidentale Frank
Roberts Thomas
Yee Carl E.
Dawson Glenn K.
RatnerPrestia
Scimed Life Systems Inc.
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