B - Operations – Transporting – 29 – C
Patent
B - Operations, Transporting
29
C
B29C 53/42 (2006.01) A61F 2/30 (2006.01) B29C 53/84 (2006.01) A61F 2/00 (2006.01) A61F 2/02 (2006.01) A61F 2/28 (2006.01) A61F 2/44 (2006.01) A61F 2/46 (2006.01) B29C 53/44 (2006.01) B29C 53/46 (2006.01)
Patent
CA 2448259
An orthopedic implant is formed from a sheet of moldable material (20) such as a polymer or a bioresorbable material using an instrument.(50) The material (20)is heated above its glass transition temperature so that it can be formed into the desired shape of the implant.(30). Then the material (20)is cooled below its glass transition temperature to harden the material such that it retains the implant (30) shape. During surgery, a surgeon can form implants (30) to fit unique orthopedic applications by using instruments having various internal (152) and external (162) mold forms between which the sheet of moldable material (20) can be rolled, wound, pressed or drawn.
L'invention concerne un implant orthopédique formé à partir d'une feuille de matériau moulable (20) tel qu'un polymère ou un matériau biorésorbable à l'aide d'un instrument (50). On chauffe ledit matériau (20) au-dessus de sa température de transition vitreuse de sorte qu'on peut le mettre en forme selon la forme désirée de l'implant.(30). Puis, on refroidit ce matériau (20) en-dessous de sa température de transition vitreuse de façon à le durcir afin qu'il conserve la forme de l'implant (30). Pendant une opération chirurgicale, un chirurgien peut former des implants (30) afin qu'ils correspondent à des applications orthopédiques uniques au moyen d'instruments comprenant des formes de moules interne (152) et externe (162) variées entre lesquelles la feuille de matériau moulable (20) peut être roulée, enroulée, pressée ou étirée.
Elfstrom John
Estes Bradley T.
Sdgi Holdings Inc.
Smart & Biggar
Warsaw Orthopedic Inc.
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