Patent ID: 11857233
Assignee: WARSAW ORTHOPEDIC, INC.
Field: Medical technology (Instruments)
Classification: CPC A  B | IPC A

Claim 0:
1. A bone screw comprising a shaft defining a longitudinal axis, the shaft including a proximal portion and a distal portion, the proximal portion comprising a first thread, the first thread being made entirely from a first material, the distal portion having a taper, the first material being non-porous, the distal portion comprising a core, the shaft including a wall having a surface and a thickness disposed about the core, the wall defining a plurality of spaced apart struts, the shaft comprising a lattice positioned between the struts, the struts having a solid surface relative to the lattice, the distal portion comprising a second thread, a portion of the second thread extending outwardly from the wall, the second thread comprising a second material, the second material being porous.