A450 Acetabular System Sizes and Specs

Hip Product Group

Cup and Head Combination Options

The A450 Acetabular System includes configurations for head sizes up to 40 mm and cup sizes up to 66 mm. Femoral heads are available in CoCr and BIOLOX® delta ceramic. The coating is commercially-pure titanium plasma spray.
A450 specifications

Cup Sizes (mm) 44 46 48 50 52 54 56 58 60 62 64 66
Insert Sizes (mm) 44/46 48/50 52/54 56/58 60/62 64/66
Head Sizes (mm) 28 X X X X
32 X X X X
36 X X X X X X X X
40 X X X X X X


Insert Specifications

All inserts are available in both MAX Highly Crosslinked Polyethylene and E-MAX Highly Crosslinked Polyethylene.
A450 insert specifications

Insert Size Inner diameter (mm) Thickness (at dome) (mm) Hood Height (mm)
44/46 28mm 4.9 3.3
48/50 28mm 6.8 3.7
48/50 32mm 4.8 3.7
52/54 32mm 6.8 4
52/54 36mm 4.8 4
56/58 36mm 6.8 4.4
60/62 36mm 8.8 4.7
64/66 36mm 10.8 5.1
56/58 36mm or 40mm 4.8 4.4
60/62 36mm or 40mm 6.8 4.7
64/66 36mm or 40mm 8.8 5.1


Femoral head options

Size (mm) Offset (mm)
CoCr Alloy 28 -4 0 +4 +8 +12
32 -4 0 +4 +8 +12
36 -4 0 +4 +8 +12
40 -4 0 +4 +8 +12
BIOLOX delta Ceramic 28 -3.5 0 +3.5
32 -4 0 +4 +7
36 -4 0 +4 +8
40 -4 0 +4 +8

† BIOLOX delta is a registered trademark of Cerasiv GmbH Innovatives Keramick-Engineering and CeramTec AG Innovative Ceramic Engineering.