Metal working – Method of mechanical manufacture – Obtaining plural product pieces from unitary workpiece
Reexamination Certificate
2005-02-15
2005-02-15
Omgba, Essama (Department: 3726)
Metal working
Method of mechanical manufacture
Obtaining plural product pieces from unitary workpiece
C029S417000, C029S527600, C029S557000, C623S001130, C623S001150, C623S023700, C623S023710, C623S901000, C623S924000, C428S577000, C428S398000, C148S538000, C148S557000, C148S705000, C148S406000
Reexamination Certificate
active
06854172
ABSTRACT:
A process for producing implants made of a bioresorbable metal, particularly magnesium alloys or zinc alloys, in which the material properties of the magnesium or the zinc are changed and the processing and utilization properties are improved by combining process steps for adjusting the properties of the material and subsequent machining. In this way it is possible to produce thin-walled tubular implants, particularly blood vessel support stents, from bioresorbable magnesium or zinc alloys, which are readily deformable without the risk of fracture during implantation.
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Bach Friedrich-Wilhelm
Haferkamp Heinz
Kaese Volker
Niemeyer Matthias
Pinkvos Arne
Cozart Jermie E.
Crowell & Moring LLP
Omgba Essama
Universitaet Hannover
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