Patent ID: 9545308
Date: 2017-01-17
CPC Classifications: A61F

Claim:
1. A method of delivering a collapsible prosthetic heart valve in a patient, the method comprising: providing a delivery device having a catheter assembly and an operating handle, the catheter assembly including a compartment adapted to receive the valve in an assembled condition, the operating handle including a frame defining a movement space therein, a carriage assembly moveable in a longitudinal direction within the movement space, and a resheathing lock having a locked position limiting movement of the carriage assembly in the longitudinal direction to a first intermediate position in the movement space and an unlocked position permitting movement of the carriage assembly in the longitudinal direction beyond the first intermediate position in the movement space; loading the valve into the compartment of the catheter assembly, the compartment and the valve being covered by a distal sheath of the catheter assembly; inserting the catheter assembly into the patient; positioning the valve at a target location within the patient; using the operating handle to partially deploy the valve by moving the carriage assembly in the longitudinal direction to the first intermediate position in the movement space; moving the resheathing lock from the locked position to the unlocked position; and using the operating handle to fully deploy the valve by moving the carriage assembly in the longitudinal direction beyond the first intermediate position in the movement space, wherein the step of using an operating handle to partially deploy the valve includes rotating a deployment actuator to move the carriage assembly in the longitudinal direction, and wherein the catheter assembly further includes a first shaft around which the compartment is defined, the first shaft being fixedly connected to the frame, and an outer shaft connecting the carriage assembly to the distal sheath and at least partially surrounding the first shaft, and the step of using the operating handle to partially deploy the valve includes moving the distal sheath in a proximal direction toward the operating handle.