SYSTEMS AND APPARATUSES FOR VALVE RESECTION AND RESHAPING VIA CATHETER AND CUTTING SHEATH-BASED VALVE LEAFLET REMOVAL

    公开(公告)号:US20240366253A1

    公开(公告)日:2024-11-07

    申请号:US18272378

    申请日:2021-12-29

    Abstract: Systems and apparatuses for Transcatheter Aortic Valve Replacement (TAVR) that include a catheter configured at a distal end with a guidewire to deploy the catheter within a vessel lumen to a situs of an aortic valve for leaflet resection; an accessory tool configured with a set of grasping elements attached at a catheter's distal end to enable the accessory tool to travel down the vessel lumen to the situs of the aortic valve to exert a pulling action, to draw an aortic valve leaflet in a direction towards the catheter's distal end and to draw a portion of the aortic valve leaflet into a protective sleeve of the catheter at the catheter's distal end; and a cutting sheath catheter configured at the catheter's distal end to resect tissue that includes a portion of the aortic valve leaflet drawn into the protective sleeve at the catheter's distal end.

    SYSTEMS FOR VALVE RESECTION AND RESHAPING CATHETER/LASER-BASED VALVE LEAFLET REMOVAL

    公开(公告)号:US20240041524A1

    公开(公告)日:2024-02-08

    申请号:US18266383

    申请日:2021-12-16

    CPC classification number: A61B18/24 A61B2018/00369

    Abstract: A leaflet resection catheter apparatus and system for a Transcatheter Aortic Valve Replacement (TAVR) procedure including a catheter configured at a distal end with a guidewire to deploy the catheter within a vessel lumen to a situs of an aortic valve for leaflet resection; an accessory tool configured with a set of grasping elements attached at a catheter's distal end to enable the accessory tool to travel down the vessel lumen to the situs of the aortic valve to exert a pulling action to draw the aortic valve leaflet in a direction towards the catheter's distal end to draw a portion of the aortic valve leaflet into a protective sleeve of the catheter at the catheter's distal end; and one or more fibers of a ring of fibers surrounding the catheter's distal end to resect tissue that includes a portion of the aortic valve leaflet drawn into the protective sleeve.

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