HEART VALVE REPLACEMENT CATHETER
First Claim
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1. A system for delivery of a replacement heart valve comprising:
- a delivery catheter having a proximal end, a distal end, and one or more lumens therebetween;
a fluid expandable balloon associated with the delivery catheter, said fluid expandable balloon being located near and proximal the distal end of the delivery catheter;
a deployable filter element deployed about the delivery catheter and located downstream of the fluid expandable balloon,wherein the deployable filter element located downstream of the fluid expandable balloon has a first collapsed configuration and a second deployed configuration which filters substantially all blood passing the deployable filter element;
an actuator associated with and capable of moving the deployable filter element from first collapsed configuration to a second expanded configuration and from a second expanded configuration to a first collapsed configuration;
a replacement heart valve; and
components configured and adapted to position, and install a replacement heart valve,wherein at least one lumen of the one or more lumens is an inflation lumen.
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Abstract
The disclosure pertains to catheter-based delivery system for intravascular heart valve replacement and methods of use thereof. In addition to the replacement heart valve and associated positioning and installation components, the delivery catheter of the system includes a deployable filter element, an actuator for the deployable filter element, and a fluid expandable balloon located proximate the distal end of the delivery catheter. The delivery catheter may be capable of carrying out a valvuloplasty and/or a determination of a distance within a patient.
9 Citations
18 Claims
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1. A system for delivery of a replacement heart valve comprising:
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a delivery catheter having a proximal end, a distal end, and one or more lumens therebetween; a fluid expandable balloon associated with the delivery catheter, said fluid expandable balloon being located near and proximal the distal end of the delivery catheter; a deployable filter element deployed about the delivery catheter and located downstream of the fluid expandable balloon, wherein the deployable filter element located downstream of the fluid expandable balloon has a first collapsed configuration and a second deployed configuration which filters substantially all blood passing the deployable filter element; an actuator associated with and capable of moving the deployable filter element from first collapsed configuration to a second expanded configuration and from a second expanded configuration to a first collapsed configuration; a replacement heart valve; and components configured and adapted to position, and install a replacement heart valve, wherein at least one lumen of the one or more lumens is an inflation lumen. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14)
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15. A method for percutaneous valvuloplasty and heart valve replacement comprising:
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inserting percutaneously a delivery catheter comprising an elongated tubular element having a proximal end, a distal end, and at least one lumen therebetween, a fluid expandable balloon, a deployable filter element, a replacement heart valve, wherein the deployable filter element is located downstream of the fluid expandable balloon and has a first collapsed configuration and a second deployed configuration which filters substantially all blood passing the deployable filter element; and wherein the delivery catheter further includes components which are configured and adapted to position and install a replacement heart valve; advancing the delivery catheter until the fluid expandable balloon is positioned within a heart valve to be replaced; actuating the deployable filter element from the first collapsed configuration to the second deployed configuration; expanding the fluid expandable balloon within the heart valve to be replaced thereby performing a valvuloplasty; collapsing the fluid expandable balloon; actuating the deployable filter element from the second deployed configuration to the first collapsed configuration thereby containing any collected debris within the deployable filter element; retracting the delivery catheter to remove the fluid expandable balloon from the heart valve to be replaced; advancing the replacement heart valve and components which position and install a replacement heart valve from the distal end of the delivery catheter; installing the replacement heart valve; retracting the components which are configured and adapted to position and install the replacement heart valve within the distal end of the delivery catheter; and withdrawing the delivery catheter. - View Dependent Claims (16, 17, 18)
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Specification