Table 2.
The implant properties of the conventional PE inserts
| Insert design | Resin | Sterilization modality | Number (%) |
|---|---|---|---|
| DePuy Sigma PS | GUR 1020 | Gamma vacuum foil sterilization (GVF) | 4 (9.1) |
| Smith & Nephew Gen II/Legion PS High Flex | GUR 1020 | Ethylene oxide | 13 (29.5) |
| Stryker Triathlon CR | GUR 1020 | Gamma sterilization in nitrogen | 2 (4.5) |
| Stryker Triathlon PS | GUR 1020 | Gamma sterilization in nitrogen | 2 (4.5) |
| Zimmer Legacy PS High Flex | GUR 1050 | Gamma sterilization in nitrogen | 20 (45.4) |
| Zimmer NexGen CR | GUR 1050 | Gamma sterilization in nitrogen | 1 (2.5) |
| Zimmer Legacy CCK | GUR 1050 | Gamma sterilization in nitrogen | 2 (4.5) |
PE = polyethylene; PS = posterior-stabilized; CR = cruciate-retaining; CCK = constrained condylar.