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1. (WO2018165403) HARD-TISSUE STEM IMPLANT COMPRISING A BULK STEM IMPLANT, A FACE, PILLARS FOR CONTACTING A CANCELLOUS PORTION OF A HARD TISSUE, AND SLOTS, WHEREIN THE PILLARS ARE PREARRANGED TO MATCH AN UNDERLYING STRUCTURE OF THE CANCELLOUS PORTION

Pub. No.:    WO/2018/165403    International Application No.:    PCT/US2018/021503
Publication Date: Fri Sep 14 01:59:59 CEST 2018 International Filing Date: Fri Mar 09 00:59:59 CET 2018
IPC: A61F 2/36
Applicants: GARY A. ZWICK, TRUSTEE OF THE EVEREST TRUST UTA APRIL 20, 2017
Inventors: PICHA, George, J.
PHILLIPS, Grant, Wesley
SMITH, Rachel
PRICE, James
Title: HARD-TISSUE STEM IMPLANT COMPRISING A BULK STEM IMPLANT, A FACE, PILLARS FOR CONTACTING A CANCELLOUS PORTION OF A HARD TISSUE, AND SLOTS, WHEREIN THE PILLARS ARE PREARRANGED TO MATCH AN UNDERLYING STRUCTURE OF THE CANCELLOUS PORTION
Abstract:
Hard-tissue stem implants are provided that comprise a bulk stem implant, a face, pillars, and slots. The pillars are for contacting a cancellous portion of a hard tissue, are distributed on the face, across an area of at least 80 mm2, and extend distally therefrom. The pillars are prearranged to match an underlying structure of the cancellous portion of the hard tissue. The slots are to be occupied by the cancellous portion of the hard tissue. Methods of making and using hard-tissue stem implants are also provided.