A61F2220/0075

STABILIZING AND ADJUSTING TOOL FOR CONTROLLING A MINIMALLY INVASIVE MITRAL / TRICUSPID VALVE REPAIR SYSTEM

Disclosed herein are embodiments related to a method for performing a minimally invasive procedure, the method including delivering an annuloplasty ring in a linear shape using a delivery system. In some embodiments, the delivery of the annuloplasty ring may utilize a trans-septal approach or a trans-apical. In some embodiments, the delivery system may position the annuloplasty ring using a flexible stabilizing mechanism and/or activate one or more anchors to extend outward from the annuloplasty ring.

Aortic graft assembly

An aortic graft assembly includes a tubular component that defines a wall aperture having a proximal end that extends perpendicular to a major longitudinal axis of the tubular aortic component, and a tunnel graft connected to the wall of the tubular aortic component and extending from the wall aperture toward a proximal end of the tubular aortic component. The aortic graft assembly is delivered to a patient through the wall aperture and into interfering relation with the tunnel graft to treat aortic aneurysms.

METHODS AND SYSTEMS FOR ALIGNING A COMMISSURE OF A PROSTHETIC HEART VALVE WITH A COMMISSURE OF A NATIVE VALVE
20230210657 · 2023-07-06 ·

Methods and systems for rotationally aligning a commissure of a prosthetic heart valve with a commissure of a native valve are disclosed. In some examples, a delivery apparatus can include a first shaft configured to rotate around a central longitudinal axis of the delivery apparatus, a second shaft extending through the first shaft and having a distal end portion extending distally beyond a distal end portion of the first shaft, an inflatable balloon coupled to the distal end portion of the first shaft, and a third shaft surrounding the first shaft. The first shaft is configured to rotate within the third shaft and translate axially relative to the third shaft, and the third shaft includes a distal tip portion including a plurality of internal helical expansion grooves and a plurality of external helical expansion grooves that are configured to allow the distal tip portion to flex radially outward.

Delivery system and method to radially constrict a stent graft
11547584 · 2023-01-10 · ·

A delivery system includes a handle, a guidewire catheter, a nose cone at the distal end of the guidewire catheter that with the guidewire catheter defines an opening concentric with the guidewire catheter, a plurality of wires that extend distally from the handle and essentially parallel with and distributed radially about the guidewire catheter and a stent graft. The wires each extend between a portion of the stents and wall of the stent graft, whereby the stent graft is radially constrained until the wires are retracted. The delivery system can be employed in methods of treating arterial disease, such as aortic aneurysms.

Valve prosthesis

A valve prosthesis (10), comprising a stent (1), a leaflet (2), and a skirt (3); the stent (1) comprises an inflow end, an outflow end, and a plurality of wavy segments axially connected; the wavy segments comprise a plurality of reticular structure units disposed circumferentially; the leaflet (2) and the skirt (3) are fixed on the stent (1) respectively; the upper portion of the skirt (3) is provided with indentations (321); the skirt (3) is fixed with the leaflet (2) by means of the indentations (321); the skirt (3) further comprises first protrusion portions (323) extending toward the direction of the outflow end of the stent; one ends of the first protrusion portions (323) are connected with the indentations (321), and the other ends of the first protrusion portions are fixed to the stent (1); by such a way, the connection strength of the skirt (3) and the stent (1) is enhanced; and besides, when the valve prosthesis (10) is implanted at a lower position, perivalvular leakage preventing height can be increased by means of the first protrusion portions (323), thereby avoiding the leakage of a part of blood from the stent (1) and further improving the perivalvular leakage preventing effect.

DOUBLE-LAYER FIBROUS ANNULUS PATCH, PATCH CLAMP, SUTURE NEEDLE AND FISHBONE SUTURE
20230210672 · 2023-07-06 · ·

This invention relates to a double-layer fibrous annulus patch, a patch clamp, a suture needle and a fishbone suture. The inner layer foldable patch and the outer layer foldable patch are arranged and connected by a pair of crossed flexible connectors. Both ends of the two patches are connected by auxiliary connectors. A pair of auxiliary connectors are further arranged on both sides of the outer foldable patch, which can be used with the patch clamp to unfold the patch and secure it in place. With both patches in a folded state, the patch clamp is used to push the inner foldable patch through the rupture in the intervertebral disc into the annulus fibrosus and the patch unfolds within the annulus fibrosus. The outer layer foldable patch is unfolded on the outside of the annulus fibrosus and is fixed by two auxiliary connectors and fishbone sutures.

Prosthetic heart valve and delivery apparatus

A delivery assembly includes a prosthetic device, a catheter shaft, a release wire, a first line, and a second line. The prosthetic device has a first arm and a second arm. The release wire extends through the catheter shaft. The first line includes a first loop. The first line extends from the catheter shaft, through the first arm of the prosthetic device, and to the release wire, where the release wire extends through the first loop. The second line includes a second loop. The second line extends from the catheter shaft, through the second arm of the prosthetic device, and to the release wire, where the release wire extends through the second loop.

Prosthetic heart valve having improved commissure supports

A method of implanting a prosthetic heart valve within a patient can comprise inserting a distal end portion of a delivery apparatus and a prosthetic heart valve into the patient and advancing the prosthetic heart valve to a deployment location within the heart of the patient and inflating one or more of a plurality of differently-sized balloons in a balloon-assembly on the distal end portion of the delivery apparatus. The prosthetic heart valve can be mounted on the balloon assembly in a crimped state and the inflating of the one or more of the plurality of differently-sized balloons can expand the prosthetic heart valve from the crimped state to a radially expanded state having a non-cylindrical shape.

Anti-paravalvular leakage component for a transcatheter valve prosthesis

A transcatheter valve prosthesis includes an expandable tubular stent, a prosthetic valve within the stent, and an anti-paravalvular leakage component coupled to and encircling the tubular stent. The anti-paravalvular leakage component includes a radially-compressible annular scaffold, which is a sinusoidal patterned ring of self-expanding material, and an impermeable membrane extending over the annular scaffold. The anti-paravalvular leakage component has an expanded configuration in which at least segments of the annular scaffold curve radially away from the tubular stent. Alternatively, the anti-paravalvular leakage component includes a plurality of self-expanding segments and an annular sealing element coupled to inner surfaces of the segments. The anti-paravalvular leakage component has an expanded configuration in which the segments curve radially away from the tubular stent and the annular sealing element is positioned between an outer surface of the tubular stent and inner surfaces of the segments. The segments may be orthogonal or oblique to the outer surface of the tubular stent.

Hybrid heart valves adapted for post-implant expansion

A hybrid prosthetic heart valve configured to replace a native heart valve and having a support frame configured to be expanded post implant in order to receive and/or support an expandable prosthetic heart valve therein (a valve-in-valve procedure). The prosthetic heart valve may be configured to have a generally rigid and/or expansion-resistant configuration when initially implanted to replace a native valve (or other prosthetic heart valve), but to assume a generally expanded form when subjected to an outward force such as that provided by a dilation balloon or other mechanical expander. An inflow stent frame is expandable for anchoring the valve in place, and may have an outflow end that is collapsible for delivery and expandable post-implant to facilitate a valve-in-valve procedure.