PROSTHETIC HEART VALVE FRAME STRUCTURE AND METHOD
The techniques of this disclosure generally relate to a valve prosthesis having a prosthetic valve, a stent structure, and anti-migration spikes. The stent structure is coupled to the prosthetic valve and includes an inflow portion. The anti-migration spikes are attached to the inflow portion, the a...
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Zusammenfassung: | The techniques of this disclosure generally relate to a valve prosthesis having a prosthetic valve, a stent structure, and anti-migration spikes. The stent structure is coupled to the prosthetic valve and includes an inflow portion. The anti-migration spikes are attached to the inflow portion, the anti-migration spikes protruding radially outward and in an outflow direction from the inflow portion. The anti-migration spikes penetrate into tissue of the vessel, e.g., the aortic annulus of a patient's left ventricle, to prevent migration, i.e., undesirable movement, of the valve prosthesis within the vessel after deployment. |
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