Stent-graft and apparatus and fitting method

Details Stent-graft and apparatus and fitting method Stent-graft and apparatus and fitting method

2009-04-03

2011-10-25

Sweet, Thomas J (Department: 3738)

Prosthesis (i.e., artificial body members), parts thereof, or ai

Arterial prosthesis

Stent in combination with graft

Reexamination Certificate

active

08043356

ABSTRACT:
A stent-graft (100) is provided with a tightenable loop element (104) having a first end terminated in a slip knot or self-tightening knot (112) and a second end which is received in and can slide in the knot (112). The knot (112) is tied by a suture to the stent-graft (100) so as to be fixed thereto. The loop (104) is fitted to the stent-graft (100) in a manner as to pass between the inside to the outside of the graft material and in such a manner that controlled curvature of the stent-graft (100) is possible, in particular control of the overlapping of adjacent stents held within the zone of the loop (104). An introducer assembly is also disclosed which includes a control cannula (120) able to the fixed to the stent-graft (100) during the deployment procedure, as well as a mechanism of suture loops (150, 152) at the proximal end of the stent-graft (100) for retaining this in a constricted form during the process of curving the latter during the deployment process.

REFERENCES:
patent: 6974471 (2005-12-01), Van Schie et al.
patent: 2003/0088305 (2003-05-01), Van Schie et al.
patent: 2007/0043425 (2007-02-01), Hartley et al.
patent: 0897699 (1999-02-01), None
patent: WO 03/034948 (2003-05-01), None
Int'l Search Report PCT/US2009/002098, Oct. 20, 2009, EPO.
Written Opinion PCT/US2009/002098, Oct. 20, 2009, EPO.

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