An official website of the United States government
Here's how you know
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.
Conventional and novel suction tips. (A) Conventional suction tip and the design of its opening. (B) Novel suction tip and the design of its opening (CAD model). (C) Physical suction model was printed. (D) Novel suction tip printed by the 3D printer.