A saw capture device comprising a body (2), coupling means for coupling the body (2) to a cutting block (4), the cutting block (4) being arranged to couple to a bone and an adjustable guide (22) comprising at least one curved arm couplable to the body (2). The adjustable guide (22) is couplable to the body (2) in a first configuration in which the at least one arm is arranged in use to curve away from a bone and a second configuration in which the at least one arm in use is arranged to curve towards the bone. When coupled to a cutting block (4) the adjustable guide (22) is spaced apart from the cutting block (4) to define a cutting slot (18).
