This video shows how I make a compact 2" bore air cannon with a coaxial piston valve. To understand how these valves work examine the third animation in the following link: <a href=" I also go into ...

Successful Acute Valve-in-Valve Implantation Using Evolut FX Transcatheter Valve in a Failed Non-Calcified Stentless Subcoronary Toronto (SJM) Valve With Severe Aortic Regurgitation My Personal Guide ...