| 摘要 |
<p>A stent-graft prosthesis 1 comprises a tubular sleeve 2 cojoined at one end with a first portion of a radially extending flange 3 which has a flange stent element 5 attached at a second portion. The tubular sleeve 2 has a lumen 4 which extends between a first end 52 and a second end 53 and is supported by spaced ring stents 5 attached to its outer diameter. The first end 52 of tubular sleeve 2 is attached to a flange 3 which has a first portion 54 and second portion 55 and which is provided with a closed loop transverse reinforcement member 7 which extends across the diameter of the flange 3. The flange 3 may be oval shaped, it may have a discontinuous surface forming spaces between a plurality of flange portions or tabs and it may be folded and packaged into a deployment sheath to facilitate delivery.</p> |
