An anchor for a medical implant , the anchor having a deployed configuration wherein the anchor comprises: a base portion having a longitudinal axis and comprising first and second longitudinal ends in oppositely-disposed first and second longitudinal directions, respectively, of the anchor , and a cage between the first and second longitudinal ends ; a coupler portion connected to and spaced apart from the second longitudinal end of the base portion in the second longitudinal direction of the anchor ; a plurality of flexible arms radially projecting away from the first longitudinal end of the base portion and axially projecting toward the second longitudinal end of the base portion , each arm having a span portion terminating in a distal portion of the arm , the distal portion having a semispherical shape that defines a convex surface facing the second longitudinal direction; and a plurality of flexible legs connected to the coupler portion and to the second longitudinal end of the base portion , each leg projecting radially away from the longitudinal axis of the anchor and axially projecting toward the first longitudinal end of the base portion , each leg having a first span portion adjoining the second longitudinal end of the base portion , a second span portion adjoining the coupler portion , and an intermediate portion therebetween; means for securing the medical implant within the cage of the base portion so that at least a portion of the implant is between the first and second longitudinal ends of the base portion , the cage having an opening large enough to accommodate the implant , wherein the base portion , the coupler portion , the arms , the legs , and the securing means are a unitary structure without metallurgical or mechanical joints therebetween, and characterized in that the intermediate portion has a semispherical shape that defines a convex surface facing the first longitudinal direction. a base portion having a longitudinal axis and comprising first and second longitudinal ends in oppositely-disposed first and second longitudinal directions, respectively, of the anchor , and a cage between the first and second longitudinal ends ; a coupler portion connected to and spaced apart from the second longitudinal end of the base portion in the second longitudinal direction of the anchor ; a plurality of flexible arms radially projecting away from the first longitudinal end of the base portion and axially projecting toward the second longitudinal end of the base portion , each arm having a span portion terminating in a distal portion of the arm , the distal portion having a semispherical shape that defines a convex surface facing the second longitudinal direction; and a plurality of flexible legs connected to the coupler portion and to the second longitudinal end of the base portion , each leg projecting radially away from the longitudinal axis of the anchor and axially projecting toward the first longitudinal end of the base portion , each leg having a first span portion adjoining the second longitudinal end of the base portion , a second span portion adjoining the coupler portion , and an intermediate portion therebetween; means for securing the medical implant within the cage of the base portion so that at least a portion of the implant is between the first and second longitudinal ends of the base portion , the cage having an opening large enough to accommodate the implant , wherein the base portion , the coupler portion , the arms , the legs , and the securing means are a unitary structure without metallurgical or mechanical joints therebetween, and characterized in that the intermediate portion has a semispherical shape that defines a convex surface facing the first longitudinal direction. <EOS>