Patent ID: 7857860
Filing Date: 2010-12-28
Classification: A61B,A61F,A61L,B33Y

Abstract:
1. A bone void filler comprising: an aggregate of pieces, at least some of said aggregate of pieces having a central region and a plurality of arms connected to said central region, wherein in at least some of said aggregate of pieces, a first end surface of said central region and first end surfaces of said plurality of arms form a generally planar first end surface of said piece, and a second end surface of said central region and second end surfaces of said plurality of arms form a generally planar second end surface of said piece, said second end surface being opposed to said first end surface, said arms being approximately equally spaced around said central region; wherein said at least some of said aggregate of pieces have an overall length measured so as to include two opposed arms, and said overall length is less than an overall dimension of a void in a bone, said aggregate of pieces being located in said void in said bone such that said pieces touch others of said pieces in a random orientation relative to each other.