Methods and apparatus for delivering a prosthetic valve to a beating heart

摘要

A method for delivering a prosthetic valve to a patient's heart having a native valve with a plurality of valve leaflets includes providing a delivery device with a prosthetic valve, advancing the delivery device toward the native valve, and expanding a portion of the prosthetic valve to form a flanged region that is upstream of the valve leaflets. One or more tabs on the prosthetic valve are released so that they expand outward to a position that is transverse to the longitudinal axis of the prosthetic valve. The position of the prosthetic valve is adjusted relative to the valve leaflets and rapid pacing is applied to the patient's heart so that the valve leaflets move inward toward the prosthetic valve or the delivery device. The tabs are further released to allow the tabs to move into their final positions.

主权项

1. A method for delivering a prosthetic valve to a patient's heart having a native valve with a plurality of valve leaflets, said method comprising:
providing a delivery device having a prosthetic valve with a longitudinal axis, the prosthetic valve releasably coupled to the delivery device; advancing the delivery device toward the native valve; expanding a portion of the prosthetic valve to form a flanged region, the flanged region disposed upstream of the valve leaflets; releasing one or more tabs from the prosthetic valve so the one or more tabs radially expand outward to a position that is transverse relative to the longitudinal axis; adjusting a position of the prosthetic valve relative to the valve leaflets; rapid pacing the patient's heart such that the plurality of valve leaflets move inward toward the prosthetic valve or the delivery device; and further releasing the one or more tabs from the prosthetic valve to allow the one or more tabs to move into their final positions.