An implant insertion system, comprising: an insertion instrument (200, 700, 720) with a first end and a second end, the insertion instrument (200, 700, 720) comprising: an opening (208, 714, 722) extending into the insertion instrument (200, 700, 720) from the second end; and an implant (100, 750, 770, 800) comprising: a first portion at a first end (104, 754, 774), wherein the first portion is received within the opening (208, 714, 722) of the insertion instrument (200, 700, 720);; a second portion at a second end(106, 756, 776); and an intermediate portion (126, 768, 788) disposed between the first portion and the second portion; an elongated cylindrical member (102, 752, 772) having an outer surface extending between the first end (104, 754, 774) and the second end (106, 756, 776), characterised in that a first circumferential recess (122, 814) is formed in the outer surface of the first portion and a second circumferential recess (124, 816) is formed in the outer surface of the second portion; and in that the implant (100, 750, 770, 800) further comprises: a first band of plasma sprayed material (124, 764, 784) disposed within the first circumferential recess (122, 814) and protruding radially outward beyond the outer surface of the first portion; and a second band of plasma sprayed material (126, 766, 786) disposed within the second circumferential recess (124, 816) and protruding radially outward beyond the outer surface of the second portion. an insertion instrument (200, 700, 720) with a first end and a second end, the insertion instrument (200, 700, 720) comprising: an opening (208, 714, 722) extending into the insertion instrument (200, 700, 720) from the second end; and an implant (100, 750, 770, 800) comprising: a first portion at a first end (104, 754, 774), wherein the first portion is received within the opening (208, 714, 722) of the insertion instrument (200, 700, 720);; a second portion at a second end(106, 756, 776); and an intermediate portion (126, 768, 788) disposed between the first portion and the second portion; an elongated cylindrical member (102, 752, 772) having an outer surface extending between the first end (104, 754, 774) and the second end (106, 756, 776), characterised in that a first circumferential recess (122, 814) is formed in the outer surface of the first portion and a second circumferential recess (124, 816) is formed in the outer surface of the second portion; and in that the implant (100, 750, 770, 800) further comprises: a first band of plasma sprayed material (124, 764, 784) disposed within the first circumferential recess (122, 814) and protruding radially outward beyond the outer surface of the first portion; and a second band of plasma sprayed material (126, 766, 786) disposed within the second circumferential recess (124, 816) and protruding radially outward beyond the outer surface of the second portion. a first portion at a first end (104, 754, 774), wherein the first portion is received within the opening (208, 714, 722) of the insertion instrument (200, 700, 720);; a second portion at a second end(106, 756, 776); and an intermediate portion (126, 768, 788) disposed between the first portion and the second portion; an elongated cylindrical member (102, 752, 772) having an outer surface extending between the first end (104, 754, 774) and the second end (106, 756, 776), characterised in that a first circumferential recess (122, 814) is formed in the outer surface of the first portion and a second circumferential recess (124, 816) is formed in the outer surface of the second portion; and in that the implant (100, 750, 770, 800) further comprises: a first band of plasma sprayed material (124, 764, 784) disposed within the first circumferential recess (122, 814) and protruding radially outward beyond the outer surface of the first portion; and a second band of plasma sprayed material (126, 766, 786) disposed within the second circumferential recess (124, 816) and protruding radially outward beyond the outer surface of the second portion. a first band of plasma sprayed material (124, 764, 784) disposed within the first circumferential recess (122, 814) and protruding radially outward beyond the outer surface of the first portion; and a second band of plasma sprayed material (126, 766, 786) disposed within the second circumferential recess (124, 816) and protruding radially outward beyond the outer surface of the second portion.