Novel Passive Two-Stage Magnetic Targeting Devices for Distal Locking of Interlocking Nails

Figure 4

Illustrations of the 2nd-stage targeting device: (a) misalignment due to incorrect position for pins to contact with the conductive ring, (b) misalignment due to incorrect direction for pins to contact with the conductive ring, and (c) correct alignment.

(a)

(b)

(c)