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Materials
Knee » Total knee arthroplasty » Materials » Femur component
FIGURE Trend (proportion [%] per year) in femur material in primary total knee arthroplasties in the Netherlands in 2013-2022
Year
Femur material (%)
Cobalt Chrome
96.54
96.19
95.41
95.06
95.14
95.36
94.69
95.94
95.56
95.76
95.55
95.55
Cobalt Chrome/Titanium
1.45
1.44
2.22
2.60
2.72
2.96
3.27
2.70
2.91
2.75
2.51
2.51
Oxidized Zirconium
1.94
2.31
2.22
2.18
1.98
1.50
1.81
1.26
1.42
1.42
1.82
1.82
Titanium
0.07
0.06
0.16
0.16
0.15
0.18
0.24
0.10
0.11
0.06
0.13
0.13
Total (n):
233,190
22,133
24,051
23,870
23,758
23,980
24,994
24,866
18,173
21,118
26,247
TKA: total knee arthroplasty.
© LROI 2023
Knee » Total knee arthroplasty » Materials » Tibia component
FIGURE Trend (proportion [%] per year) in tibia material in primary total knee arthroplasties in the Netherlands in 2013-2022
Year
Tibia material (%)
Titanium
52.07
55.15
54.49
54.08
53.03
52.67
50.83
48.52
51.15
54.48
52.78
52.78
Cobalt Chrome
46.20
43.70
44.47
45.59
46.97
47.32
49.15
51.48
48.84
45.52
46.79
46.79
Cobalt Chrome/Titanium
1.71
1.14
1.03
0.34
0.00
0.00
0.00
0.00
0.00
0.00
0.42
0.42
Tantalum
0.02
0.01
0.00
0.00
0.00
0.02
0.02
0.01
0.00
0.00
0.01
0.01
Total (n):
233,883
22,114
24,046
23,901
24,127
24,154
25,012
25,050
18,185
21,135
26,159
Please note: A standard PE tibia component was implanted in 2 (<0.01%) primary TKAs in 2013-2016.
TKA: total knee arthroplasty; PE:polyethylene.
© LROI 2023
Knee » Total knee arthroplasty » Materials » Insert
FIGURE Trend (proportion [%] per year) in insert material in primary total knee arthroplasties in the Netherlands in 2013-2022
Year
Insert material (%)
Standard PE
90.79
88.65
87.07
85.23
83.55
81.24
77.04
76.00
72.55
71.37
81.37
81.37
Cross-linked PE
9.20
11.28
12.08
12.70
13.95
15.99
19.36
19.87
20.23
18.42
15.25
15.25
Cross-linked PE+AO
0.01
0.07
0.85
2.07
2.50
2.78
3.60
4.13
7.22
10.21
3.38
3.38
Total (n):
232,770
21,592
23,610
23,552
24,018
24,476
25,210
24,928
18,099
21,150
26,135
TKA: total knee arthroplasty; PE: polyethylene; AO: antioxidant.
© LROI 2023
Knee » Total knee arthroplasty » Materials » Patella component
FIGURE Trend (proportion [%] per year) in patella material in primary total knee arthroplasties in the Netherlands in 2013-2022
Year
Patella material (%)
Standard PE
97.22
97.04
94.73
93.39
94.32
95.31
94.65
93.69
89.89
88.75
94.06
94.06
Cross-linked PE
2.78
2.96
4.97
4.18
3.66
2.62
3.13
3.50
4.13
2.78
3.49
3.49
Cross-linked PE+AO
0.00
0.00
0.30
2.43
2.01
2.07
2.21
2.81
5.98
8.48
2.46
2.46
Total (n):
48,447
4,466
5,062
5,296
5,311
5,215
5,505
5,332
3,917
4,380
3,963
TKA: total knee arthroplasty; PE: polyethylene; AO: antioxidant.
© LROI 2023