The see-through leg locates the bone and device. Skin-entry symbols are examples, not planned sites or counts. The two enlarged views are not at a comparable scale.
Skin / soft tissueBoneDevice
Internal nail
ADevice inside the bone
BEnlarged: skin incision, surface view
Skin must still be opened for surgical access. [1]
External frame
ADevice outside the leg
BEnlarged: pin / wire entry site
A pin or wire passes through the skin to bone. [2]
Representative openings, not a scar map. This see-through drawing is not an anatomical or surgical plan. It does not predict the number, location, size, or appearance of scars. Not to scale.
RNOH [1]: internal-nail surgical wounds. Nationwide Children's [2]: pin-site definition only. See the article's linked sources. Original LLL editorial illustration. English-language visual.