A - Human Necessities – 61 – F
Patent
A - Human Necessities
61
F
A61F 2/06 (2006.01)
Patent
CA 2546809
The present invention, in an exemplary embodiment, provides a stent, which combines many of the excellent characteristics of both silicone and metal stents while eliminating the undesirable ones. In particular, a principal objective in accordance with the present invention is to provide a family of stents where the relative hardness/softness of regions of the stent can differ from other regions of the stent to provide additional patient comfort and resistance to compression forces. Exemplary embodiments provide a stent that is covered so as to provide certain predefined characteristics. In particular, a covered stent is provided that is coated internally such that the outer scaffolding surface of the stent has enhanced friction points while the internal surface exemplifies certain characteristics.
La présente invention, dans un mode de réalisation exemplaire, propose un stent, qui combine plusieurs excellentes caractéristiques des stents en silicone et métalliques tout en éliminant les caractéristiques indésirables. En particulier, un objectif principal conformément à la présente invention est de proposer une famille de stents dans laquelle la dureté/mollesse relative de régions du stent peuvent différer des autres régions du stent pour conférer un confort supplémentaire au patient et une résistance aux forces de compression. Des modes de réalisation exemplaires proposent un stent qui est recouvert de façon à conférer certaines caractéristiques prédéfinies. En particulier, un stent recouvert est propose, lequel est revêtu au niveau interne de sorte que la surface d~accrochage externe du stent comporte des zones de frottement améliorées alors que la surface interne présente certaines caractéristiques.
Alexander Tony D.
Borg Ulf R.
Mangiardi Eric K.
Reynolds Jason M.
Alveolus Inc.
Merit Medical Systems Inc.
Ridout & Maybee Llp
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