The tack device holds {HEAD ~ the torn meniscal sections} in {TAIL ~ apposition} while the tissue regenerates and healing is effected 
The tack device holds { HEAD ~ the torn meniscal sections } in { TAIL ~ apposition } while the tissue regenerates and healing is effected
OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH