An introducer sheath is a sheath through which fluids or tools can be introduced (inserted). It is a surgical tool consisting of a tube inserted into the body to provide an access point and allow the insertion of other instruments into an artery or vein and a seal to maintain hemostatis. As a trocar provides passage through a cannula or a catheter provides passage during catheterization, so an introducer sheath provides passage. It is used during percutaneous procedures such as angiography, ... Read more
