Tiltable tools for heart valve prosthesis

Inventors

Carlino, Felice Giuseppe • Achiluzzi, Monica Francesca

Assignees

Corcym SRL

Abstract

In certain embodiments, an implantation accessory for placement at a heart valve annulus location of a patients heart, the annulus having a first axis, the implantation accessory comprising: a first surface; a second axis perpendicular to the first surface; and, a maneuvering system for aligning the first axis and the second axis. In certain embodiments, a removable bioprosthetic heart valve assembly for implantation into an abutment ring attached at a heart valve annulus location of a patients heart, the abutment ring having a first axis, the removable bioprosthetic heart valve assembly includes a bioprosthetic valve for coupling to the abutment ring and a holder. The holder, detachably coupled to the bioprosthetic valve, includes a first surface, a second axis perpendicular to the first surface, and a maneuvering system for aligning the first axis and the second axis. Methods of implantation are also disclosed.

Core Innovation

The invention relates to tiltable implantation accessories for placement at a heart valve annulus location of a patient's heart. The implantation accessory includes a first surface and a second axis perpendicular to the first surface, and a maneuvering system aligns the first axis and the second axis by configuring threadable bores or bore openings to include thread therethrough for tilting the first surface and aligning the axes.

In one aspect, the invention provides a removable bioprosthetic heart valve assembly for implantation into an abutment ring attached at the annulus location. The assembly includes a bioprosthetic valve for coupling to the abutment ring and a holder detachably coupled to the bioprosthetic valve. The holder includes the first surface and the second axis perpendicular to the first surface, and the maneuvering system includes a central pin pivotable relative to the holder, with the central pin attachable to MICS forceps for maneuvering.

The invention further includes axis alignment and coupling behavior using a locking system and a thread-based tilting mechanism. The locking system includes channels configured to accept locking features to allow the holder to be rotated relative to the abutment ring between an engaged position and a disengaged position. Embodiments also include annulus sizing using a D-shaped sizer and analogous tiltable mechanisms for removable mechanical heart valve positioning of leaflets.

Claims Coverage

The provided independent claims cover three inventive subject matters: a tiltable implantation accessory with a threadable bore maneuvering system that aligns orthogonal axes at an annulus location, a removable bioprosthetic heart valve assembly with a detachably coupled tiltable holder and a central-pin/threaded arcuate-bore maneuvering system for MICS forceps handling, and a removable bioprosthetic heart valve assembly that combines an abutment-ring locking system with a holder maneuvering system using a central pin for axis alignment and MICS forceps attachment. Across these, the inventive features include alignment of a first axis with a second axis via threadable arcuate bores, a central pin pivotable relative to the holder, and an engaged/disengaged rotational locking interaction using channels and locking features.

Across the independent claims, the core claim coverage centers on a holder or implantation accessory that aligns a first axis with a second axis by tilting a first surface using threadable bores or arcuate bores and threads, together with a pivotable central pin that is attachable to MICS forceps. For removable bioprosthetic assemblies, the claims also include an abutment-ring locking system and locking features that enable rotation between engaged and disengaged positions.

Stated Advantages

Documented Applications