Research Article

Reliable Alignment in Total Knee Arthroplasty by the Use of an iPod-Based Navigation System

Figure 2

(a) Attachment of reference arrays. (b) Digitalisation of anatomical landmarks using the pointer, attached to the handheld cradle. (c) The cradle is attached to the cutting block for proximal tibial resection. Data is shown on the iPod screen (varus/valgus, resection level, and slope). (d) Verification of tibial resection. (e) Verification of distal femoral resection. (f) Control of leg alignment and ligament situation.
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