US Patent 11324583 Multi-lumen stent-graft and related surgical methods

A multi-lumen stent-graft including a graft portion and a stent frame. The stent-graft includes multiple through-channels formed of the graft portion. The graft portion can comprise a PTFE material and the through-channels can be formed of fused portions of the graft portion. The stent-graft can be used in a prostheses that connects multiple vessel branches such as for the repair of aortic aneurysms or other vessels of the body.