Prosthesis (i.e. – artificial body members) – parts thereof – or ai – Arterial prosthesis – Stent combined with surgical delivery system
Reexamination Certificate
2007-08-07
2007-08-07
Robert, Eduardo C. (Department: 3733)
Prosthesis (i.e., artificial body members), parts thereof, or ai
Arterial prosthesis
Stent combined with surgical delivery system
Reexamination Certificate
active
09950956
ABSTRACT:
The present invention uses sets of strut members where the most distal set of strut members is similar to that of most stents in that the plane of the distal set of strut members is perpendicular to the stent's longitudinal axis. The present invention has a multiplicity of circumferential sets of strut members, but only the distal set of strut members has its plane perpendicular to the stent's longitudinal axis. The more proximal sets of strut members are angulated, so that the plane of the most proximal set of strut members has a preset angle such as 30°, 45° or 60° relative to the stent's longitudinal axis. The stent could also be formed from or coated with a highly radiopaque material. Alternately, a radiopaque marker could be placed at the most proximal point of the angulated, side branch stent, for the stent has to be rotated by the clinician until the plane of the most proximal angulated set of strut members is situated to be approximately parallel to the plane of the ostium of the side branch. It is also envisioned to widen the diagonal sections of the most proximal circumferential set of strut members to increase their radiopacity as compared to the radiopacity of the more distal circumferential sets of strut members. This can assist the clinician who places the side branch stent to have it properly placed at the ostium of the side branch.
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European Search Report, dated Dec. 2, 2003, for European Pat. No. EP 02 25 6355.
Fischell David R.
Fischell Robert E.
Fischell Tim A.
Araj Michael J.
Cordis Corporation
Robert Eduardo C.
LandOfFree
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