A cardiovascular prosthetic valve comprises an inflatable body that has at
least a first inflatable chamber and a second inflatable chamber that is
not in fluid communication with the first inflatable chamber. The
inflatable body is configured to form, at least in part, a generally
annular ring. A valve is coupled to the inflatable body. The valve is
configured to permit flow in a first axial direction and to inhibit flow
in a second axial direction opposite to the first axial direction. A
first inflation port is in communication with the first inflatable
chamber. A second inflation port in communication with the second
inflatable chamber.