US Patent 10898327 Heart valve sealing devices and delivery devices therefor

An implantable prosthetic device includes a coaption portion, paddles, and clasps. The paddles have an outer portion and an inner portion. The paddles are extendable from a folded closed position to an open position. A clasp is attached to each of the plurality of paddles. The clasps have a concave upper surface and a convex lower surface. The clasps include a fixed arm attached to the inner portion of the paddle, a moveable arm having a barbed portion, and a hinge portion connecting the fixed arm to the moveable arm.