Device, system, and method for treating cardiac valve regurgitation
First Claim
1. A device for altering the shape of a heart valve annulus, comprising:
- a base having an exterior perimeter;
a plurality of legs radially arranged about the exterior perimeter and extending from to the base;
each leg having a proximal end fixed to the base and a distal end;
each leg including a tip engageable with a valve annulus;
each leg having an inner section and an outer section, the inner section being fixed to the base at a proximal end of the section, the outer section having the tip located on a distal end thereof, and the inner section and the outer section being slidably connected such that the outer section can telescopically slide along a portion of the inner section;
each leg further having a first length and a second length and each being capable of transformation between the first length and the second length;
a plurality of adjustment cords each having a first end attached to the outer section of one of the plurality of legs; and
an adjustment member that is rotatably connected to the base and a second end of each adjustment cord is attached to the adjustment member such that when the adjustment member is rotated, the adjustment cords are wrapped around the adjustment member and the tip of the outer section of the legs are drawn toward the base.
1 Assignment
0 Petitions
Accused Products
Abstract
A device, a system and a method for treating heart valve regurgitation. The annulus reshaping device comprises a base and a plurality of legs radially arranged there upon. The device can transform from a delivery configuration wherein it is deliverable by catheter to a treatment site, into a deployment configuration, and then a treatment configuration for treating valvular regurgitation. The device is implanted into the annulus of a heart valve, and the legs of the device can be telescopically withdrawn to apply an inward force to the annulus. The system comprises a device slidably received within a catheter. The method of treatment comprises delivering a device to a treatment area, via catheter, releasing the device from the catheter, positioning the legs of the device on a valve annulus, and applying an inward force to the annulus to reduce the regurgitation.
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Citations
9 Claims
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1. A device for altering the shape of a heart valve annulus, comprising:
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a base having an exterior perimeter; a plurality of legs radially arranged about the exterior perimeter and extending from to the base; each leg having a proximal end fixed to the base and a distal end; each leg including a tip engageable with a valve annulus; each leg having an inner section and an outer section, the inner section being fixed to the base at a proximal end of the section, the outer section having the tip located on a distal end thereof, and the inner section and the outer section being slidably connected such that the outer section can telescopically slide along a portion of the inner section; each leg further having a first length and a second length and each being capable of transformation between the first length and the second length; a plurality of adjustment cords each having a first end attached to the outer section of one of the plurality of legs; and an adjustment member that is rotatably connected to the base and a second end of each adjustment cord is attached to the adjustment member such that when the adjustment member is rotated, the adjustment cords are wrapped around the adjustment member and the tip of the outer section of the legs are drawn toward the base. - View Dependent Claims (2, 3, 5, 6, 8)
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4. The device of 1 wherein the device has a delivery configuration for delivery to location adjacent to a heart valve via a catheter, a deployment configuration, and a treatment configuration.
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7. The device of 1 wherein the plurality of legs is at least four legs.
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9. The device of 1 wherein at least a portion of the device is radiopaque.
Specification