Stock material or miscellaneous articles – Web or sheet containing structurally defined element or... – Composite having voids in a component
Reexamination Certificate
2006-06-06
2006-06-06
Vo, Hai (Department: 1771)
Stock material or miscellaneous articles
Web or sheet containing structurally defined element or...
Composite having voids in a component
C428S315500, C428S315700, C428S305500, C428S131000, C623S023630, C623S023520, C623S016110, C164S119000
Reexamination Certificate
active
07056577
ABSTRACT:
A body, such as a grain, for providing ingrowth and growth of bone tissue and/or connective tissue. The body consists of a plastic or non-essentially elastic biocompatible material, preferably metal or metal alloy. It is also porous, having the following porosity characteristics: (a) the porosity is continuous and (b) the opening of cavities/indentations/pockets and the ducts connecting them has the width of >about 50 μm for bone tissue and >about 10 μm for connective tissue. In a method of making such a body, the body has been produced by blowing gas into a melt of metal. An advantageous use of bodies according to the invention is enclosing thereof in a casing, formed with openings, for making an implant, such as a spinal implant.
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Bruce Ingrid
Bruce Lars
Smith , Gambrell & Russell, LLP
Tigran Technologies AB
Vo Hai
LandOfFree
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