Table 1.
Design specifications of the five implants used for resurfacing
| Implant | Implant geometry | Radial clearance (mm)* | |
|---|---|---|---|
| As provided by manufacturer | Measured | ||
| BHR | Conical | Not disclosed | 0.2 |
| ASR® | Conical (3° taper) | Not disclosed | 0.1 |
| Conserve Plus® | Cylindrical | 1.00 | 1.0 |
| DuROM® | Cylindrical | Not disclosed | 0.7 |
| ReCAP® | Cylindrical | 0.50 | 0.6 |
* Radial clearance is defined as half of the difference between the inner diameter of the femoral component at its edge and the cutting diameter of the reamer at the corresponding location.