Among other advantages, {HEAD ~ this feature} of {TAIL ~ the invention} allows the user to change the relative rotational orientation between the surgical tool and the bend region 
of
Among other advantages , { HEAD ~ this feature } of { TAIL ~ the invention } allows the user to change the relative rotational orientation between the surgical tool and the bend region
OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH