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3.5 Checking the fit
3.5.1 Checking the volume
Objective
The fit of the prosthetic socket can be seen from the colour of the skin and the flow properties of the liner.
Required tools and materials
•
743A11 plaster device, 451F20 liner FitKit, 616S132 sticky spots, 453H1=1 lubricating cream or 453H26
SensiCare lotion, waterproof marker, check socket, liner
Harmony System
Drill a 7.5 mm hole in the position where the socket
connector should be attached.
Remove the prosthetic socket from the plaster model.
Deburr the inside and outside of the hole.
Grind and smooth the socket brim of the prosthetic
socket.
Mark at least three points on each side of the liner
(anterior, posterior, medial, and lateral):
Vertical: Align the points on an imaginary line and
•
mark them at identical intervals.
Horizontal: Mark the points at the same height on
•
all sides of the liner.
Insert the liner into the prosthetic socket. The distal
hole of the prosthetic socket allows air to escape.
Mark circles encompassing the points on the liner from
outside.
Procedure
Ottobock | 13
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