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Home > Short Cephalomedullary Nail (ZNN CM System)
The short cephalomedullary nail is the workhorse implant of intertrochanteric hip fracture surgery: a compact nail for the proximal femur with a sliding head element into the femoral head and a single distal locking point. BoneCraft stocks it as a genuine original implant of the Zimmer Biomet ZNN CM nailing system and supplies it through independent distribution.
Most intertrochanteric fractures never threaten the femoral shaft — the battle is fought and won in the trochanteric region. For that caseload the short nail is enough implant: it fixes the proximal fragment through the head element, controls rotation with a single distal lock, and shortens operative time in a patient group where minutes under anaesthesia matter.
The compact length also sidesteps a real geometry problem. Elderly femora are bowed, and a long rigid nail can drive its tip into the anterior cortex distally; the short nail ends well proximal to that conflict. The sliding head element then lets the fracture compress along the neck axis as the patient loads the leg. Fracture stability assessment and the choice between short and long remain with the operating surgeon.
The nail is inserted through a trochanteric entry portal and seated in the proximal canal. The head element is driven up the femoral neck into the head under image control, and a distal locking screw completes the construct. All nails share the one-hundred-eighty-millimetre body and one-hundred-thirty-degree neck geometry; diameters and sides divide the range.
| Diameter | Catalog numbers (47-2493 series) |
|---|---|
| 9 mm | 47-2493-180-09 · 47-2493-182-09 · 47-2493-183-09 |
| 10 mm | 47-2493-180-10 · 47-2493-181-10 · 47-2493-182-10 · 47-2493-183-10 |
| 11 mm | 47-2493-180-11 · 47-2493-181-11 · 47-2493-182-11 · 47-2493-183-11 |
| 13 / 14 mm | 47-2493-182-13 · 47-2493-182-14 |
| MT series | MT0012018 / MT0012118 / MT0012318 / MT0012918 / MT0013018 / MT0013118 / MT0013318 / MT0013918 |
The twenty-one-number range is held in BoneCraft warehouse stock in left and right versions and ships in original manufacturer packaging, with factory lot references on the delivery documents for hospital receiving and traceability files.
