#$%^&*AU2017258851A120171130.pdf#####32 IMPROVED SURGICAL IMPLANT DEVICES AND METHODS FOR THEIR MANUFACTURE AND USE ABSTRACT An assembly (1020), comprising: an implant body (1005) having a stent member (1041) and an adjustment member (1025), wherein the stent member (1041) is circumferentially expandable and contractible, the adjustment member (1025) is coupled to the stent member (1041), and actuating the adjustment member (1025) results in circumferential expansion or contraction of the stent member (1041)； and a delivery apparatus having a rotatable shaft (1010) and a locking mechanism (1050) coupled to an end portion of the shaft (1010), wherein the shaft (1010) is configured to actuate the adjustment member (1025) of the implant body (1005) upon rotation of the shaft (1010), and the locking mechanism (1050) is configured to selectively couple the shaft (1010) to the adjustment member (1025) of the implant body (1005).
