Optional: Transferring The Adapter Position; Selecting The Functional Ring - Otto Bock Harmony P3 Technical Information

3.6.2 Optional: Transferring the adapter position

Objective
If the static alignment was performed without the Harmony P3 unit, the transfer device can be used to transfer the
adapter position to the Harmony P3 unit.
Required tools and materials
• 743A160 transfer device

3.6.3 Selecting the functional ring

Objective
To adjust the Harmony P3 unit to the user, various functional rings can be selected. The hardness of the functional
ring affects the vacuum generation and the heel strike with the prosthesis.
Required tools and materials
• Harmony P3 unit, functional rings, 4X247 pre-compression device
Harmony System
Determine the adapter position.
Transfer the adapter position to the Harmony P3 unit.
Ottobock recommends
500 mbar (15 inHg) should be reached after 50 steps
with the prosthesis.
Select the appropriate functional ring from the following
table.
If the recommended functional ring does not meet the
requirements, select a different functional ring:
• If the user feels like he or she is sinking into the
prosthesis, the functional ring is too soft.
• If the vacuum generated is insufficient, the function­
al ring is too hard.
Procedure
that vacuum of approx.
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