Trial Reduction - Zimmer Biomet Avenir Complete Hip System Surgical Technique

Avenir Complete Hip System Surgical Technique
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Trial Reduction

With the final rasp in place, select the appropriate
provisional neck (Standard Offset, High Offset or
Coxa Vara) and connect it onto the rasp (Figure 11).
Color Coding – Stem Variant
Gold Standard Offset (STD)
Black High Offset (HO)
Silver Coxa Vara
6 mm
Vertical Offset
Offset Management
Figure 11
6 mm
Horizontal Offset
Figure 12
Once the provisional neck is in place, select the
correct provisional head size and position it onto
the provisional neck (Figure 12). Perform the trial
reduction and if necessary repeat the procedure
with different head offsets.
Offset Shift (Offset Management Inset)
Note: There is a 3.5 mm shift in neck lengths
between core sizes (0 to 7.5) and macro sizes
(8 to 9).
- Horizontal offset: 6 mm shift between STD and
HO or Coxa Vara.
- Vertical offset: 6 mm shift between STD or HO
and Coxa Vara.