An apparatus for cutting and removing a tissue is described, which
includes a rotational axle device, at least one non-mechanical cutting
device radially disposed from the rotational axle device, at least one
device capable of protecting the heart ventricle, and a first collapsible
plate. Also described is a method for cutting a tissue, such as a heart
valve using the apparatus of the present invention and temporary placing
a device capable of protecting the heart ventricle until a percutaneous
heart valve is placed.