Prosthesis (i.e. – artificial body members) – parts thereof – or ai – Arterial prosthesis – Stent in combination with graft
Reexamination Certificate
2007-10-09
2007-10-09
Truong, Kevin T. (Department: 3734)
Prosthesis (i.e., artificial body members), parts thereof, or ai
Arterial prosthesis
Stent in combination with graft
C623S001150
Reexamination Certificate
active
10423163
ABSTRACT:
A stent graft includes a stent graft material of cylindrical shape and tapered stent springs coupled to the stent graft material. Each stent spring includes a first stent cell and a second stent cell contiguous with the first stent cell. The first stent cell and the second stent cell are coupled. The second stent cell of each tapered stent spring is smaller than the first stent cell thereby defining a tapered shape to the tapered stent springs. The stent graft is placed in a curved segment of a tortuous body lumen and rotationally positioned such that the smallest stent cell of each tapered stent spring is placed at an inside radius of the curved segment.
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Kawamura et al., “Emergent Endovascular Stent-Graft Placement to Treat Ruptured Stanford Type B Acute Aortic Dissection,” Journal of Vascular Surgery, vol. 38, No. 5, pp. 668-671 Mar. 2004.
Berra Humberto
Letort Michel
Medtronic Vascular Inc.
Serge Hodgson
Truong Kevin T.
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