Materials

Knee » Total knee arthroplasty » Materials » Femur component 2010-2019

FIGURE Trend (proportion [%] per year) in femur material in primary total knee arthroplasties in the Netherlands in 2010-2019

Year

Femur material (%)

Cobalt Chrome
96.24
96.00
96.32
96.53
96.17
95.38
95.01
95.07
95.24
94.49
95.60
95.60

Cobalt Chrome/Titanium
1.21
1.58
1.42
1.45
1.43
2.23
2.60
2.72
2.97
3.35
2.14
2.14

Oxidized zirconium
2.52
2.34
2.18
1.94
2.31
2.23
2.17
1.98
1.50
1.84
2.08
2.08

Titanium
0.03
0.08
0.08
0.09
0.09
0.17
0.21
0.23
0.30
0.32
0.17
0.17


Total (n):
226,022
18,332
19,336
21,514
22,134
24,021
23,773
23,732
23,984
24,929
24,267

TKA: total knee arthroplasty.

© LROI 2020

Knee » Total knee arthroplasty » Materials » Tibia component 2010-2019

FIGURE Trend (proportion [%] per year) in tibia material in primary total knee arthroplasties in the Netherlands in 2010-2019

Year

Tibia material (%)

Titanium
52.57
50.76
50.15
52.14
55.15
54.45
53.95
53.02
52.72
50.91
52.65
52.65

Cobalt Chrome
42.86
45.08
46.67
46.13
43.70
44.51
45.71
46.98
47.26
49.07
45.89
45.89

Cobalt Chrome/Titanium
4.56
4.16
3.17
1.72
1.15
1.04
0.34
0.00
0.00
0.00
1.46
1.46

Tantalum
0.02
0.01
0.02
0.02
0.01
0.00
0.00
0.00
0.02
0.02
0.01
0.01


Total (n):
226,274
18,280
19,277
21,443
22,088
24,011
23,800
24,017
24,108
24,926
24,324

Please note: A standard PE tibia component was implanted in 3 (<0.01%) primary TKAs in 2010-2016.
TKA: total knee arthroplasty; PE:polyethylene.

© LROI 2020

Knee » Total knee arthroplasty » Materials » Insert 2010-2019

FIGURE Trend (proportion [%] per year) in insert material in primary total knee arthroplasties in the Netherlands in 2010-2019

Year

Insert material (%)

Standard PE
95.62
92.23
91.18
90.78
88.65
87.01
85.17
83.55
81.23
76.82
86.71
86.71

Cross-linked PE
4.38
7.77
8.78
9.21
11.29
12.13
12.75
13.94
16.00
19.49
11.98
11.98

Cross-linked PE + AO
0.00
0.00
0.03
0.01
0.06
0.86
2.08
2.51
2.77
3.70
1.31
1.31


Total (n):
222,880
17,472
18,475
20,724
21,519
23,577
23,438
23,908
24,411
25,144
24,212

TKA: total knee arthroplasty; PE: polyethylene; AO: antioxidant.

© LROI 2020

Knee » Total knee arthroplasty » Materials » Patella component 2010-2019

FIGURE Trend (proportion [%] per year) in patella material in primary total knee arthroplasties in the Netherlands in 2010-2019

Year

Patella material (%)

Standard PE
96.94
98.05
97.86
97.22
97.03
94.66
93.33
94.33
95.29
94.52
95.74
95.74

Cross-linked PE
3.06
1.95
2.12
2.78
2.97
5.03
4.22
3.66
2.63
3.21
3.23
3.23

Cross-linked PE + AO
0.00
0.00
0.02
0.00
0.00
0.31
2.45
2.01
2.08
2.27
1.02
1.02


Total (n):
47,139
3,204
3,532
4,489
4,463
5,057
5,229
5,266
5,221
5,478
5,200

TKA: total knee arthroplasty; PE: polyethylene; AO: antioxidant.

© LROI 2020