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US 11,589,984 B2Granted
Devices and methods for delivery of valve prostheses
AssigneeJC Medical, Inc.
InventorJi Zhang
Life of this patent
Estimating the term…
Abstract
Methods for delivering a pulmonary or mitral valve prosthesis using a transcatheter approach are provided. The implantation devices can utilize movable claspers for both positioning and anchoring the valve prostheses within the native cardiac valve, minimizing the extent of imaging necessary.
Claims26
A method for deploying a heart valve prosthesis within an aortic valve, the method comprising:
- providing an implantation device and a valve prosthesis carried by the implantation device, the valve prosthesis having (i) a radially expandable support frame, and (ii) a valve clasper movably coupled to the support frame, the implantation device having a control unit, a track wire, and first and second sheaths, the track wire having a proximal end attached to the control unit and a distal end removably coupled with the valve clasper, the first sheath and second sheath each encasing at least a portion of the valve prosthesis in a compact condition, the second sheath being positioned serially to and distally from the first sheath;
- inserting at least the distal end of the implantation device into a femoral artery of a patient;
- advancing the implantation device to the aortic valve;
- and
- releasing the valve prosthesis at the aortic valve.
2 more elements
A method for deploying a heart valve prosthesis within an aortic valve annulus, the method comprising:
- inserting an implantation device into a femoral artery of a patient, the implantation device carrying an expandable support frame of the valve prosthesis within a frame sheath of the device and a valve clasper of the valve prosthesis within an anchor sheath of the device;
- advancing the implantation device to the aortic valve;
- moving the anchor sheath of the implantation device longitudinally relative to the valve clasper to expose at least a portion of the valve clasper;
- engaging the valve clasper with the aortic valve annulus;
- after engaging the valve clasper with the aortic valve annulus, longitudinally positioning the support frame within the valve clasper;
- moving the frame sheath of the implantation device longitudinally relative to the support frame to permit expansion of the support frame;
- and
- removing the implantation device from the patient.
5 more elements
A method for deploying a heart valve prosthesis within an aortic valve annulus, the method comprising:
- inserting an implantation device into a patient, the implantation device carrying an expandable support frame of the valve prosthesis within a frame sheath of the device and a valve clasper of the valve prosthesis within an anchor sheath of the device, the valve clasper being movably coupled to the support frame;
- advancing the implantation device to the aortic valve;
- moving the anchor sheath of the implantation device longitudinally relative to the valve clasper to expose at least a portion of the valve clasper;
- engaging the valve clasper with the aortic valve annulus;
- moving the frame sheath of the implantation device longitudinally relative to the support frame to permit expansion of the support frame;
- and
- removing the implantation device from the patient.
4 more elements
Dependencies are inferred from the claim text.