Fig. 3.
Illustration of basic injection techniques. A, Linear threading technique. B, Serial puncture threading technique. C, Cross-hatching technique. D, Fan technique. E, Bolus techniques.
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.