An implant assembly for supporting a prosthesis, the assembly comprising: a implant comprising: a body portion located at a distal end of the bladed implant； a collar portion located at a proximal end of the implant； a central bore extending through the collar portion and into the implant body portion, the central bore having an engagement portion and comprising a plurality of openings radially disposed with a plurality of blades pivotally connected to the body portion of implant, each blade aligned with one of the plurality of openings and capable of moving between a retracted position to an extended position； and a shaft member, having a proximal section and a distal section, said shaft member configured to engage the central bore thereby causing the plurality of blades to extend radially from the body portion anchoring the implant into the bone structure surrounding the implant body portion.
