Patent classifications
A61F2/2463
MITRAL REPAIR AND REPLACEMENT DEVICES AND METHODS
An implant and method for repairing and/or replacing functionality of a native mitral valve are in various embodiments configured to reduce or eliminate mitral regurgitation and residual mitral valve leakage. A coiled anchor can be used to implant a prosthetic valve in a native mitral valve of a heart. The coiled anchor can include a plurality of ventricular turns and one or more atrial turns. The coiled anchor is configured to be implanted at the native mitral valve with the plurality of ventricular turns positioned in a left ventricle of the heart and around valve leaflets of the native mitral valve. The plurality of ventricular turns are configured such that when a radially outward pressure is applied to at least one of the plurality of ventricular turns, the coiled anchor is biased such that a first diameter of a first turn of the plurality of ventricular turns is expanded and a second diameter of a second turn of the plurality of ventricular turns is reduced.
MEDICAL VALVE AND LEAFLET PROMOTING TISSUE INGROWTH
Described embodiments are directed toward centrally-opening leaflet prosthetic valve devices having synthetic leaflets that are configured to promote and encourage tissue ingrowth thereon and/or therein. The leaflets are coupled to a leaflet frame to form a prosthetic valve suitable for use in biological anatomy.
Device, system, and method for transcatheter treatment of valve regurgitation
The invention relates to a device for use in the transcatheter treatment of mitral valve regurgitation, specifically a coaptation enhancement element for implantation across the valve; a system including the coaptation enhancement element and anchors for implantation; a system including the coaptation enhancement element, catheter and driver; and a method for transcatheter implantation of a coaptation element across a heart valve.
System for repairing valve leaflets in minimally invasive surgery
A system for repairing a valve leaflet in minimally invasive surgery includes: a delivery device comprising: an operating handle; an outer delivery tube coupled to the operating handle; a delivery needle coupled to the operating handle; and a pushing tube coupled to the operating handle. The system further comprises a repair component comprising an anchor and a connection wire. The delivery device is configured to perform, in response to a trigger operation, a linkage release operation that includes actuating the delivery needle and releasing the repair component.
Percutaneous papillary muscle relocation
A system for treating mitral regurgitation may include an outer sheath having a lumen extending to a distal end of the outer sheath, an intermediate sheath slidably disposed within the lumen of the outer sheath, the intermediate sheath having a lumen extending to a distal end of the intermediate sheath, and an inner sheath slidably disposed within the lumen of the intermediate sheath, wherein the inner sheath includes a first anchor disposed within a lumen of the inner sheath, the first anchor being configured to penetrate and secure to a first papillary muscle. The intermediate sheath may include a tissue grasping mechanism at the distal end of the intermediate sheath, the tissue grasping mechanism being configured to hold and stabilize the first papillary muscle for penetration and securement of the first anchor to the first papillary muscle.
Medical device using bioabsorbable material
Bioabsorbable medical devices such as vascular closures, mitral chorea replacements, and mitral leaflet extensions are provided.
HEART VALVE LEAFLET CAPTURE DEVICE
The invention provides a heart valve leaflet capture device (250) comprising a cardiac catheter probe having a proximal end for manipulating the device (250) and a distal end terminating in a transvalve element (256). The transvalve element (256) is configured to pass through a heart valve generally parallel to a longitudinal axis of the catheter and includes two or three leaflet gripping elements (252). The leaflet gripping elements (252) are individually movable by operation of an associated actuating mechanism (260) between a radially retracted position, in which they are withdrawn with respect to the transvalve element (256), and a capture position, in which they diverge outwardly at an acute angle from the transvalve element (256). In the capture position, each leaflet gripping element (252) defines a convergent capture zone that is directed towards the edges of a target valve leaflet and in which the target valve leaflet may be captured.
IMPLANT FOR IMPROVING COAPTATION OF AN ATRIOVENTRICULAR VALVE
An implant for improving coaptation of an atrioventricular valve in a heart, the atrioventricular valve having a native first leaflet, a native second leaflet and optionally an annulus adjacent a wall of an atrium of the heart, the implant comprising an artificial leaflet to replace or support the first and/or second native leaflets, fixing means for fixing the implant to the annulus or to the first and/or second native leaflets and retention means for preventing prolapse of the artificial leaflet. The retention means comprise or consist of a backbone element extending along the artificial leaflet and towards a distal end of the artificial leaflet and being connected to the artificial leaflet at at least two attachment points, wherein the backbone element is configured to be bendable between first and second states of bending and wherein limiting means are provided for limiting the degree of bending.
Device, system, and method for transcatheter treatment of valvular regurgitation
The invention relates to a device for use in the transcatheter treatment of mitral valve regurgitation, specifically a coaptation assistance element for implantation across the valve; a system including the coaptation assistance element and anchors for implantation; a system including the coaptation assistance element and delivery catheter; and a method for transcatheter implantation of a coaptation element across a heart valve.
Prosthetic heart valve devices and methods of valve replacement
A stented valve having at least one leaflet made of pericardium or other material having a relatively thin profile at the annulus. The leaflets are attached via chords to a stent frame, where the chords are positioned to mimic the native valve anatomy and functionality. In particular, the valves of one exemplary embodiment of the invention are sized to replace a mitral valve and therefore the chords are arranged to prevent prolapse of the leaflets into the atrium. The stented valve has a relatively short height at its annulus due to the positioning of the chords. In addition, the stented valve is capable of being crimped to a small enough size that it can be delivered to the implantation site via transcatheter delivery systems and methods.