Fig. 4.
In vitro tests results: (a) and (b) PHVs during static regurgitation tests at backpressure 28 mmHg (a) and 128 mmHg (b); (c) Pressure and flow courses of the PHV during pulsatile tests; (d) maximum opening of the PHV.
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.