Patent ID: 8834543
Filing Date: 2014-09-16
Classification: A61B,A61F

Abstract:
1. Apparatus for attaching tissue to bone comprising: an expandable body configured to expand into bone, said expandable body comprising a distal tip member and a proximal main member, said distal tip member being separable from said main proximal main member, and said expandable body defining a bore extending therethrough from a proximal end of the proximal main member to a distal end of the distal tip member; and an expander pin comprising a shaft sized to be received in the bore of said expandable body and expand said proximal main member laterally when said expander pin is driven into said proximal main member; whereby when said expander pin is driven into said proximal main member such that said expander pin passes through said proximal main member before arriving at said distal tip member, said expandable body is attached to the bone; wherein said apparatus further comprises an installation tool, and wherein said installation tool comprises a shaft sized to be slidingly received in said bore of said expandable body and a bore of said expander pin.