Anchoring devices, systems, and methods for implantable device

    公开(公告)号:US11986392B2

    公开(公告)日:2024-05-21

    申请号:US17553198

    申请日:2021-12-16

    Abstract: An anchor assembly having a helical anchor extending through an anchor bore defined in the anchor housing. In some embodiments, at least one helical turn of the helical anchor extends beyond a portion of the anchor bore. In some embodiments, at least one helical turn of the helical anchor extends beyond a side wall of the anchor housing. In some embodiments, the helical turns of the helical anchors of anchor assemblies mounted adjacent one another on an implantable device nest within one another when the implantable device is in an unexpanded configuration. In some embodiments, the distalmost helical turn of the helical anchor has an outer diameter greater than more proximal helical turns of the helical anchor. In some embodiments, the outer diameters of the at least some of the helical turns of the helical anchor taper from a distal end to a proximal end of the helical anchor.

    ANCHORING DEVICES, SYSTEMS, AND METHODS FOR IMPLANTABLE DEVICE

    公开(公告)号:US20220192830A1

    公开(公告)日:2022-06-23

    申请号:US17553198

    申请日:2021-12-16

    Abstract: An anchor assembly having a helical anchor extending through an anchor bore defined in the anchor housing. In some embodiments, at least one helical turn of the helical anchor extends beyond a portion of the anchor bore. In some embodiments, at least one helical turn of the helical anchor extends beyond a side wall of the anchor housing. In some embodiments, the helical turns of the helical anchors of anchor assemblies mounted adjacent one another on an implantable device nest within one another when the implantable device is in an unexpanded configuration. In some embodiments, the distalmost helical turn of the helical anchor has an outer diameter greater than more proximal helical turns of the helical anchor. In some embodiments, the outer diameters of the at least some of the helical turns of the helical anchor taper from a distal end to a proximal end of the helical anchor.

    IMPLANT DEVICES, SYSTEMS, AND METHODS FOR ANNULUS REDUCTION

    公开(公告)号:US20220192828A1

    公开(公告)日:2022-06-23

    申请号:US17553269

    申请日:2021-12-16

    Abstract: An implantable device which shifts between a collapsed configuration and an expanded configuration. The implantable device may be delivered transluminally in a collapsed delivery configuration to a treatment site, whereupon the implantable device may be expanded to a deployment configuration. As the implantable device is expanded to the deployment configuration, the proximal end of the implantable device remains coupled to a delivery and/or deployment device. The implantable device is configured such that while the proximal end may be constrained by being coupled to the delivery device, the distal end is not impeded from expanding to within greater than 90% of its fully expanded configuration when not coupled to the delivery device.

    IMPLANTABLE DEVICE AND DELIVERY SYSTEM FOR RESHAPING A HEART VALVE ANNULUS

    公开(公告)号:US20200146825A1

    公开(公告)日:2020-05-14

    申请号:US16718745

    申请日:2019-12-18

    Abstract: Systems, devices and methods related to various heart valve implants and for delivery of those implants are described. The implants may be used to re-size a native valve annulus or to replace a native heart valve. The implants include a re-sizable frame having angled struts. The implant is secured to tissue with anchors that can rotate without axial advancement to engage tissue while drawing the implant closer to the tissue. Collars are used to decrease the angle between struts of a frame to contract the implant. The implants can include a rotatable shaft, such as a threaded shaft, located internally to an axially translatable collar. Rotation of the shaft transmits force to the collar to cause the collar to translate axially, closing the angle of adjacent struts and decreasing the width of the implant and thus of the annulus. The implants can be delivered, secured and contracted via a catheter. The implants are repositionable and retrievable via catheter.

    Delivery system with integrated central restraint for an implantable cardiac device

    公开(公告)号:US11571306B2

    公开(公告)日:2023-02-07

    申请号:US16658252

    申请日:2019-10-21

    Abstract: Features for a restraint to facilitate delivery and deployment of an implantable cardiac device are described. The restraint may include a series of circumferential engagements for securing inwardly corresponding portions of the implant. The restraint may be located inside the implant and provide a radially inward force on the implant. The restraint may include a center shaft having a series of grooves configured to cooperate with corresponding splines of the implant. Distal or proximal advance of the restraint disengages the restraint from the implant. The implant may include a tubular frame configured to contract and be secured by the restraint in a contracted configuration and to expand upon disengagement from the restraint. The restraint may provide for a smaller overall cross-sectional profile of a transcatheter delivery system, for instance by negating the need for a distal delivery sheath.

    Implantable device and delivery system for reshaping a heart valve annulus

    公开(公告)号:US11432927B2

    公开(公告)日:2022-09-06

    申请号:US16718745

    申请日:2019-12-18

    Abstract: Systems, devices and methods related to various heart valve implants and for delivery of those implants are described. The implants may be used to re-size a native valve annulus or to replace a native heart valve. The implants include a re-sizable frame having angled struts. The implant is secured to tissue with anchors that can rotate without axial advancement to engage tissue while drawing the implant closer to the tissue. Collars are used to decrease the angle between struts of a frame to contract the implant. The implants can include a rotatable shaft, such as a threaded shaft, located internally to an axially translatable collar. Rotation of the shaft transmits force to the collar to cause the collar to translate axially, closing the angle of adjacent struts and decreasing the width of the implant and thus of the annulus. The implants can be delivered, secured and contracted via a catheter. The implants are repositionable and retrievable via catheter.

    TISSUE ANCHORS MINIMIZING MIGRATION AND MAXIMIZING ENGAGEMENT

    公开(公告)号:US20220096232A1

    公开(公告)日:2022-03-31

    申请号:US17478005

    申请日:2021-09-17

    Abstract: A tissue anchor for securing an implantable device to tissue such as soft tissue. The anchor includes a tissue-engaging portion having a tissue-engaging configuration which enhances, improves, increases, etc., the engagement, grasp, purchase, etc. of the anchor with the body tissue in which the anchor is implanted. In some embodiments, the tissue-engaging portion cinches or pinches or compresses tissue between sections of the tissue-engaging portion to grab onto or otherwise engage tissue. In some embodiments, a section of the tissue-engaging portion expands or otherwise extends away from the other portions of the anchor to increase engagement of the anchor with the tissue. In some embodiments, a section of the tissue-engaging portion may flare outwardly to drive further into tissue in a direction transverse to other portions of the anchor.

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