Heart valve docking devices and systems
First Claim
Patent Images
1. A system for implanting a docking device at a native valve, the system comprising:
- a delivery catheter;
an elongated coiled docking device having a first end portion and a second end portion opposite the first end portion;
a pusher device having a central lumen, wherein the pusher device is disposed in the delivery catheter;
a retrieval line that extends through the central lumen of the delivery catheter and is coupled to the first end portion of the coiled docking device;
wherein the system is configured such that pulling the retrieval line pulls the first end portion of the coiled anchor against the pusher device; and
wherein the first end portion and retrieval line are configured and coupled such that a tension force from the pulling is biased to be substantially aligned with a central axis of the first end portion of the coiled docking device; and
wherein the coiled docking device comprises;
at least one central turn having a first thickness and defining a central turn diameter;
an extension having a length extending from a proximal end of the at least one central turn, the extension having a second thickness that is less than the first thickness;
a proximal turn extending from a proximal end of the extension, the proximal turn having a third thickness that is greater than the second thickness.
1 Assignment
0 Petitions
Accused Products
Abstract
Docking devices for docking a prosthetic valve at a native valve of a heart can include a coiled docking anchor and a retrieval suture. The docking device and retrieval suture can be configured for improved retention and retrieval of the docking device after deployment. The docking devices can have an end portion with a central axis. The retrieval suture can be connected to the end portion such that a line of force applied by applying tension to the retrieval suture is substantially aligned with the central axis.
142 Citations
22 Claims
-
1. A system for implanting a docking device at a native valve, the system comprising:
-
a delivery catheter; an elongated coiled docking device having a first end portion and a second end portion opposite the first end portion; a pusher device having a central lumen, wherein the pusher device is disposed in the delivery catheter; a retrieval line that extends through the central lumen of the delivery catheter and is coupled to the first end portion of the coiled docking device; wherein the system is configured such that pulling the retrieval line pulls the first end portion of the coiled anchor against the pusher device; and wherein the first end portion and retrieval line are configured and coupled such that a tension force from the pulling is biased to be substantially aligned with a central axis of the first end portion of the coiled docking device; and wherein the coiled docking device comprises; at least one central turn having a first thickness and defining a central turn diameter; an extension having a length extending from a proximal end of the at least one central turn, the extension having a second thickness that is less than the first thickness; a proximal turn extending from a proximal end of the extension, the proximal turn having a third thickness that is greater than the second thickness. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22)
-
Specification