Abstract: Systems and methods for improved user experience with rechargers for implantable medical devices. An external charging device for providing power to a rechargeable implantable device can determine a firmware state of the external charging device during recharging of the rechargeable implantable device, display a searching indication using a light indicator when the firmware state is determined to be in a searching state, display a charging indication using the light indicator when the firmware state is determined to be a charging state, and display an error indication using the light indicator when the firmware state is determined to be an error state. An optional user device application can provide complementary graphical user interfaces according to the firmware states.

Abstract: A prosthetic heart valve delivery system may include a handle, a delivery catheter with an inflatable balloon at a distal end thereof, and a prosthetic heart valve. An axial adjustment actuator may be positioned on the handle for translating the prosthetic heart valve distally or proximally relative to the handle when the prosthetic heart valve is collapsed onto the balloon. A commissure alignment actuator may be positioned on the handle for rotating the prosthetic heart valve about its central longitudinal axis when the prosthetic heart valve is collapsed onto the balloon. The axial adjustment and the commissure alignment actuators may be independently actuated, so that actuation of the axial adjustment actuator does not rotate the prosthetic heart valve, and actuation of the commissure alignment actuator does not translate the prosthetic heart valve.

Abstract: A method of fracturing a previously-implanted prosthetic surgical heart valve may include advancing a non-compliant balloon of a balloon catheter through a patient's vasculature until the balloon is positioned at least partially within the previously-implanted prosthetic surgical heart valve. Inflation media may be advanced through an inflation lumen and into the balloon to inflate the balloon. A pressure within the inflation lumen may be measured during advancing the inflation media. A volume of inflation media advanced through the inflation lumen and into the balloon may be measured. A relationship between the measured pressure and the measured volume of inflation may be monitored, as the inflation media is advanced into the balloon, to identify distinct phases of balloon inflation.

Abstract: In some embodiments, a method includes providing a prosthetic heart valve including a collapsible and expandable stent having struts and a valve assembly coupled to the stent, the valve assembly having a plurality of leaflets and a cuff, providing a delivery device including a catheter extending between a proximal end and a distal end, an inflatable balloon, a handle coupled to the catheter, and a memory for storing data disposed within the handle, recording at least one of part-to-part noise factors and process variation factors and storing it in the memory, calculating an adjusted inflation parameter based on the at least one of part-to-part noise factor and process variation factor, advancing the delivery device to a native aortic valve of a patient while the prosthetic heart valve is disposed about the inflatable balloon, and inflating the balloon according to the adjusted inflation parameter.

Abstract: In some examples, a system includes a transparent sheath defining a lumen, a first optical coherence tomography catheter configured for cardiovascular imaging having a first imaging probe comprising a first end, a second end, and a first lens assembly disposed at the second end of the first imaging probe, the first imaging probe being configured to transmit light between the first and second ends thereof, and a prosthetic heart valve disposed about the transparent sheath.

Abstract: In some embodiments, a method of delivering a medical device includes providing a prosthetic heart valve including a collapsible and expandable stent having struts and a valve assembly coupled to the stent, the valve assembly having a plurality of leaflets and a cuff, providing a delivery device including a catheter extending between a proximal end and a distal end, an inflatable balloon disposed at the distal end of the catheter, and at least one sensor disposed proximal the inflatable balloon, inflating the inflatable balloon in a first stage, measuring a first pressure with the at least one sensor, and calculating a fluid resistance factor during the first stage.

Abstract: A method of implanting a prosthetic heart valve may include inserting a delivery catheter into a patient's vasculature while the prosthetic heart valve is in a crimped condition on the delivery catheter. The delivery catheter may be advanced through the patient's vasculature until the crimped prosthetic heart valve is positioned within a native valve annulus. While the prosthetic heart valve is within the native valve annulus, a first stage of deployment may be performed in which the balloon is inflated at a first rate of inflation to begin expanding the prosthetic heart valve. After performing the first stage of deployment, a second stage of deployment may be performed in which the balloon is inflated at a second rate of inflation that is greater than the first rate of inflation. After performing the second stage of deployment, the prosthetic heart valve may be anchored within the native valve annulus.

Abstract: In some embodiments, delivery device includes a delivery catheter, and a handle coupled to the delivery catheter, the handle having a housing and including at least two actuators, each of the at least two actuators being configured to control one of three primary functions, the three primary functions including (1) delivery catheter deflection, (2) delivery catheter axial position fine adjustment, and (3) delivery catheter rotation to achieve native valve commissural alignment.

Abstract: Systems and methods for improved user experience with rechargers for implantable medical devices. An external charging device for providing power to a rechargeable implantable device can determine a firmware state of the external charging device during recharging of the rechargeable implantable device, display a searching indication using a light indicator when the firmware state is determined to be in a searching state, display a charging indication using the light indicator when the firmware state is determined to be a charging state, and display an error indication using the light indicator when the firmware state is determined to be an error state. An optional user device application can provide complementary graphical user interfaces according to the firmware states.

Abstract: A delivery device includes a catheter, and an inflatable balloon coupled to the catheter, the inflatable balloon forming a leading pillow and a trailing pillow spaced from the leading pillow, the leading pillow and the trailing pillow defining a valve seat therebetween to retain a prosthetic heart valve during tracking of the delivery device.

Abstract: Systems and methods for improved user experience with rechargers for implantable medical devices. An external charging device for providing power to a rechargeable implantable device can determine a firmware state of the external charging device during recharging of the rechargeable implantable device, display a searching indication using a light indicator when the firmware state is determined to be in a searching state, display a charging indication using the light indicator when the firmware state is determined to be a charging state, and display an error indication using the light indicator when the firmware state is determined to be an error state. An optional user device application can provide complementary graphical user interfaces according to the firmware states.

Abstract: Systems and methods for improved user experience with rechargers for implantable medical devices. An external charging device for providing power to a rechargeable implantable device can determine a firmware state of the external charging device during recharging of the rechargeable implantable device, display a searching indication using a light indicator when the firmware state is determined to be in a searching state, display a charging indication using the light indicator when the firmware state is determined to be a charging state, and display an error indication using the light indicator when the firmware state is determined to be an error state. An optional user device application can provide complementary graphical user interfaces according to the firmware states.