A - Human Necessities – 61 – L
Patent
A - Human Necessities
61
L
A61L 27/50 (2006.01) A61L 27/18 (2006.01) A61L 27/34 (2006.01) A61L 27/52 (2006.01)
Patent
CA 2718718
A method of attaching an implant to a bone, the implant comprising a hydrated polymer comprising a lubricious hydrated surface and an attachment surface comprising accessible chemical functional groups. The method includes the steps of treating the implant or the bone with an isocyanate-containing compound; placing the attachment surface in apposition to the bone; and allowing the isocyanate-containing compound to cure to bond the implant to the bone. The invention also includes a medical implant having a hydrated polymer comprising an attachment surface comprising a thermoplastic material, the hydrated polymer having an interpenetrating polymer network with at least two polymers, the hydrated polymer having a low coefficient of friction on at least one surface.
Linvention concerne un procédé de fixation dun implant sur un os, limplant comprenant un polymère hydraté présentant une surface hydratée lubrifiante et une surface de fixation comprenant des groupes fonctionnels chimiques accessibles. Le procédé comprend les étapes consistant à traiter limplant ou los avec un composé contenant de lisocyanate; placer la surface de fixation en apposition à los; et permettre au composé contenant de lisocyanate de durcir pour attacher limplant sur los. Linvention comprend également un implant médical comprenant un polymère hydraté présentant une surface de fixation comprenant un matériau thermoplastique, le polymère hydraté comprenant un réseau polymère interpénétrant avec au moins deux polymères, le polymère hydraté présentant un faible coefficient de frottement sur au moins une surface.
Jaasma Michael
Kourtis Lampros
Myung David
Biomimedica Inc
Fetherstonhaugh & Co.
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