Method of treating aortic stenosis using an implantable prosthetic valve
First Claim
1. A method of implanting a prosthetic valve in a stenosed aortic valve without requiring extracorporeal circulation, comprising:
- advancing a balloon catheter through a femoral artery and aorta until a distal end portion of the balloon catheter is positioned within the stenosed aortic valve;
inflating a balloon to push aside valvular leaflets of the stenosed aortic valve, the balloon mounted on the distal end portion of the balloon catheter;
deflating the balloon and withdrawing the distal end portion of the balloon catheter from the stenosed aortic valve;
introducing a prosthetic valve into a patient'"'"'s vasculature through an 18 French arterial introducer, the prosthetic valve comprising a radially compressible and expandable frame and a flexible valvular structure made with pericardium, the valvular structure positioned entirely between upper and lower extremities of the frame when the valvular structure is in a closed state, the prosthetic valve having an internal cover fixed on an inner wall of the frame between the lower extremity of the frame and the valvular structure;
advancing the prosthetic valve through the femoral artery and aorta by a catheterization technique until the prosthetic valve is positioned within the stenosed aortic valve; and
radially expanding the prosthetic valve within the stenosed aortic valve to thereby implant the prosthetic valve in the stenosed aortic valve.
5 Assignments
0 Petitions
Accused Products
Abstract
A method of implanting a prosthetic valve in a stenosed aortic valve via a catheterization technique. A balloon catheter is advanced into a patient'"'"'s vasculature and a balloon is expanded within the stenosed aortic valve to push aside the calcified leaflets. The prosthetic valve is then introduced into a patient'"'"'s vasculature through an 18 French arterial introducer. After advancement through the femoral artery and aorta, the prosthetic valve is radially expanded for implantation in the dilated aortic valve. The prosthetic valve includes a compressible and expandable frame and a valvular structure made with pericardial tissue. The prosthetic valve further includes an internal cover fastened to an internal surface of the frame between an inlet end of the frame and the valvular structure.
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Citations
26 Claims
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1. A method of implanting a prosthetic valve in a stenosed aortic valve without requiring extracorporeal circulation, comprising:
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advancing a balloon catheter through a femoral artery and aorta until a distal end portion of the balloon catheter is positioned within the stenosed aortic valve; inflating a balloon to push aside valvular leaflets of the stenosed aortic valve, the balloon mounted on the distal end portion of the balloon catheter; deflating the balloon and withdrawing the distal end portion of the balloon catheter from the stenosed aortic valve; introducing a prosthetic valve into a patient'"'"'s vasculature through an 18 French arterial introducer, the prosthetic valve comprising a radially compressible and expandable frame and a flexible valvular structure made with pericardium, the valvular structure positioned entirely between upper and lower extremities of the frame when the valvular structure is in a closed state, the prosthetic valve having an internal cover fixed on an inner wall of the frame between the lower extremity of the frame and the valvular structure; advancing the prosthetic valve through the femoral artery and aorta by a catheterization technique until the prosthetic valve is positioned within the stenosed aortic valve; and radially expanding the prosthetic valve within the stenosed aortic valve to thereby implant the prosthetic valve in the stenosed aortic valve. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19)
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20. A method of implanting a prosthetic valve in a stenosed aortic valve without requiring extracorporeal circulation, comprising:
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advancing a balloon catheter over a guide wire and through a femoral artery and aorta until a distal end portion of the balloon catheter is positioned within the stenosed aortic valve; inflating a balloon to push aside valvular leaflets of the stenosed aortic valve, the balloon mounted on the distal end portion of the balloon catheter; deflating the balloon and withdrawing the balloon catheter from the patient; introducing a prosthetic valve into the patient'"'"'s vasculature through an 18 French arterial introducer, the prosthetic valve comprising a radially compressible and expandable metallic frame and a flexible valvular structure made with pericardium, the valvular structure positioned entirely between upper and lower extremities of the frame when the valvular structure is in a closed state, the prosthetic valve having an internal cover made with pericardium and fixed on an inner wall of the frame, the internal cover positioned only between the lower extremity of the frame and the valvular structure; advancing the prosthetic valve through the femoral artery and aorta by a catheterization technique until the prosthetic valve is positioned within the stenosed aortic valve; and radially expanding the prosthetic valve within the stenosed aortic valve to thereby implant the prosthetic valve in the stenosed aortic valve. - View Dependent Claims (21, 22, 23, 24, 25, 26)
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Specification