Anchor channel tip

An apparatus for use with a tissue anchor is provided. The apparatus includes an implant sized to be advanced into a subject and an anchor delivery tool. The anchor delivery tool may include an anchor delivery channel shaped to define a lumen therethrough, the lumen having a diameter, and the channel sized to be movable within the lumen of the implant. The anchor delivery tool may also include an implant gripping element disposed at the distal end portion of the anchor delivery channel. The implant gripping element may be configured to reversibly grip an inner wall of the implant during implantation of the tissue anchor via the anchor delivery channel. Other applications are also described. 提供与组织锚一起使用的设备。设备包括尺寸被设计成推进到受试者体内的植入物和锚输送工具。锚输送工具可包括成形为限定穿过其中的内腔的锚输送通道，内腔具有一定直径，并且通道的尺寸被设计成在植入物的内腔内可移动。锚输送工具还可包括设置在锚输送通道的远端部分处的植入物夹持元件。植入物夹持元件可被配置成在经由锚输送通道植入组织锚期间可逆地夹持植入物的内壁。还描述其它应用。