Global Vascular Plugs Market Size, Trends & Growth Opportunity and By Product Type (Arterial or Venous Closer Vascular Plugs, Congenital Heart Malformation Closer Vascular Plugs, and Micro Vascular Plug System), By Construction Material (Titanium-Nickel (Nitinol) and Titanium-Nitride (Tin), By End User (Hospitals, Ambulatory, Surgical Centers, and Independent Catheterization Labs) By Region and Fo