a device is disclosed for introducing a flexible elongated element through at least two portions of a subject . in an embodiment , the device includes a proximal end and a distal end , as well as an advancement unit for longitudinally advancing the flexible elongated element toward the distal end such that a proximal end of the elongated element may pass from the distal end of said device with sufficient force to pass through the portions of the subject . the device also includes a securing unit for variably adjusting a securing force applied by the flexible elongated element to secure together the portions of the subject .