US 12,491,083 B2
Composite porous interbodies and methods of manufacture
Scott Robinson, Encinitas, CA (US); Steven Leong, Mira Mesa, CA (US); and Frank Chang, San Marcos, CA (US)
Assigned to ALPHATEC SPINE, INC., Carlsbad, CA (US)
Filed by Alphatec Spine, Inc., Carlsbad, CA (US)
Filed on Jul. 11, 2024, as Appl. No. 18/770,111.
Application 18/770,111 is a division of application No. 17/482,829, filed on Sep. 23, 2021, granted, now 12,064,354.
Claims priority of provisional application 63/082,782, filed on Sep. 24, 2020.
Prior Publication US 2024/0358521 A1, Oct. 31, 2024
Int. Cl. A61F 2/44 (2006.01); A61F 2/30 (2006.01)
CPC A61F 2/4455 (2013.01) [A61F 2/3094 (2013.01); A61F 2002/30967 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A method of manufacturing a composite interbody, the method comprising:
selecting a solid titanium body having a top side and a bottom side;
carving out a portion of the top side of the solid titanium body to form a top portion void;
carving out a portion of the bottom side of the solid titanium body to form a bottom portion void;
diffusion bonding porous titanium to the top portion void;
diffusion bonding porous titanium to the bottom portion void, the steps of diffusion bonding porous titanium to the top portion void and bottom portion void forming a composite titanium block; and
cutting out a composite interbody from the composite titanium block.