Author, year | Country | Specimen information | The Position of femoral osteotomy | Subjects | Implant information | ||||
---|---|---|---|---|---|---|---|---|---|
Femurs | Donors | Mean age (range) | Brand | Coating | Characteristics | ||||
Gotze 2002 [20] | Germany | 7R, 7 L | F 1, M 6 | 57.0 (39–78) | 37 cm proximal to the condyles | 7 | Adaptiva | Customized reamer | 12/14 taper; TiAl6V4 alloy |
7 | Alloclassic SL stem | Grit-blasted surface | 12/14 taper; TiAl6V4 alloy | ||||||
Klestil 2006 [21] | Austria | 7R, 7 L | 4F¸ 3 M | 74.4 (63–88) | Femora was cut to a length of 25 cm | 10 | Endo SL stem | Ø 50 mm, CoCr head | NR |
10 | FMT stem | Ø 28 mm, CoCr head | |||||||
Abdul-Kadir 2008 [17] | USA | 4 | NR | NR | 25 cm below the lesser trochanter | 4 | Alloclassic hip stem | Full with a grit-blasted surface | NR |
Pettersen 2009 [23] | Norway | 6R, 6 L | F 3, M 3 | 61.0 (49–74) | 25 cm below the greater trochanter | 10 | Summit TM straight stem | Dual coated with porocoat and HA as well as grit-blasted distally | Straight titanium stem |
Østbyhaug 2010 [22] | Norway | 10R, 10 L | F 1, M 9 | 51.6 (27–68) | 25 cm below the greater trochanter | 10 | ABG-I anatomical stem | Proximal 1/3 of stem coated with 50 μm HA; Distal 2/3 is non-polished | Titanium alloy Ti6Al4V |
10 | Unique customized stem | Proximal 2/3 coated with 50 μm HA; distal 1/3 is polished and downscaled | |||||||
Wik 2011 [24] | Norway | 10R, 10 L | F 3, M 7 | 57.8 (44–71) | 25 cm below the greater trochanter | 10 | Summit TM straight stem | Dual coated with porocoat and HA as well as grit-blasted distally | Straight titanium stem |
Bieger 2012 [18] | Germany | 11R, 11 L | 4F, 8 M | 60.4 (31–78) | 37 cm below the greater trochanter | 6 | Fitmore short stem | Proximal 1/2 coated with plasma | Tapered design; trapezoidal cross-section |
10 | CLS Spotorno stem | Full grit-blasted surface | Double-tapered design; straight collarless; rectangular cross-section; Size 13 | ||||||
6 | Mayo conservative short stem | Aluminum oxide roughed surface | Wedge-shaped; double-tapered design | ||||||
Bieger 2013 [19] | Germany | 9R, 9 L | 7F, 2 M | 53.5 (25–5x) | 37 cm below the greater trochanter | 9 | CBC straight stem | Full with a corundum-blasted surface; Proximal part with prism-shaped ribs | Titanium alloy; double-tapered design |
9 | Optimys short stem | Proximal part coated with titanium plasma-sprayed surface; distal tip is polished | Titanium alloy; triple-trapered design | ||||||
Østbyhaug 2013 [15] | Norway | 6R, 6 L | F 1, M 5 | 52.4 (48–61) | 25 cm below the greater trochanter | 10 | ABG-I anatomical stem | Proximal 1/3 coated with 50 μm HA; distal 2/3 is non-polished | Titanium alloy Ti6Al4V |
10 | -10 | ||||||||
10 | -20 | ||||||||
10 | -30 | ||||||||
10 | -40 | ||||||||
10 | -50 | ||||||||
Bieger 2016 [19] | Germany | 6R, 6 L | 3F, 3 M | 38.0 (19–52) | 37 cm below the greater trochanter | 6 | CBH straight stem | Proximal wing-shaped shoulder; rough-blasted | Zweymüller-type stem; rectangular cross-section; tapered design |
6 | CBH bone-preserving stem | Rough-blasted; proximal lateral was reduced; the tip was flattened | Titanium alloy; rectangular cross-section; tapered design |