US 12,109,326 B2
Demineralized bone fiber composition for augmentation of fixation
Andrew J. Carter, Stow, MA (US); Bradley E. Patt, Sherman Oaks, CA (US); Gunnar Andersson, Sherman Oaks, CA (US); and Ian McRury, Sherman Oaks, CA (US)
Assigned to Theracell, LLC, Hopkinton, MA (US)
Appl. No. 16/638,113
Filed by Theracell, LLC, Hopkinton, MA (US)
PCT Filed Aug. 10, 2018, PCT No. PCT/US2018/046382
§ 371(c)(1), (2) Date Feb. 10, 2020,
PCT Pub. No. WO2019/033082, PCT Pub. Date Feb. 14, 2019.
Claims priority of provisional application 62/659,086, filed on Apr. 17, 2018.
Claims priority of provisional application 62/544,582, filed on Aug. 11, 2017.
Prior Publication US 2020/0237960 A1, Jul. 30, 2020
Int. Cl. A61B 17/68 (2006.01); A61F 2/08 (2006.01); A61L 27/36 (2006.01); A61B 17/70 (2006.01)
CPC A61L 27/3608 (2013.01) [A61B 17/686 (2013.01); A61F 2/0811 (2013.01); A61B 17/7001 (2013.01); A61L 2430/02 (2013.01); A61L 2430/10 (2013.01)] 9 Claims
OG exemplary drawing
 
1. An implant composition, comprising:
a plurality of demineralized bone fibers (DBFs) cut from demineralized bone and molded into a shape of a tapered cylinder by water-assisted molding,
wherein the implant has a distal end and a proximal end, and the distal end is narrower than the proximal end;
wherein the implant comprises a hole through its length;
wherein the implant comprises an indent at the proximal end to receive a screw; and
wherein the implant in a dried state is compact and upon wetting expands and swells.