Artificial chordae tendineae repair devices and delivery thereof

A device for chordae tendineae repair, the device comprising:

• a flexible cord having a first end and a second end;
• an anchor including one or more grooves configured to grip the flexible cord and facilitate tension adjustment of the flexible cord such that the flexible cord is able to slide through the one or more grooves in a first direction, and is not able to be withdrawn in a second, opposite direction;
• a helical wire configured to attach to one of the first end and the second end of the flexible cord and anchor the flexible cord to a leaflet of a heart valve;
• and
• a capture device having a channel and sidewalls forming a groove with a pathway between the sidewalls, the capture device being configured to clamp the leaflet of the heart valve, deliver the flexible cord through the channel to anchor the helical wire to the leaflet, and the flexible cord through the pathway, wherein the capture device includes a hinge configured to open and close the capture device.