Figure 1.
(A) Digital pictures of the porous spiral (left), spiral (middle), and porous cylinder (right) scaffolds printed by 3D-printer; Solidworks design for (B) porous spiral; (C) spiral; (D) porous cylinder scaffolds in a 3D view.
Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.