The distal travel of the repair device is limited by {HEAD ~ the distally opening grooves} of {TAIL ~ the repair device} 
of
The distal travel of the repair device is limited by { HEAD ~ the distally opening grooves } of { TAIL ~ the repair device }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL