Introducer sheath arterial dilators - blood poured out of hemostasis valve - explanted and replaced.Tavr procedure successfully performed.Patient to icu in stable condition.9 fr sheath placed in patient's body.Once the dilator for the sheath was removed, we realized the diaphragm for the sheath was broken and arterial blood was squirting out the sheath.We replaced the whole sheath with another 9 fr sheath, and it started leaking as well, but not quite as bad.