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.
Design of the active needle, showing the outer and inner components. Cross-sectional view A-A shows the solution for anchoring the ends of the SMA wire. Cross-sectional view B-B shows inner components, aligned using lumens in the PTFE core. Outermost PTFE tube is used as an outer cannula and a thermal insulation layer.
