M/DN® Intramedullary Fixation

Tibial

Transverse holes provide the option to interlock in the conventional manner. The nail also features a dynamic slot proximally to allow compression. The large range of diameters start at 6mm.

The M/DN Tibial Nail allows the surgeon to capture fractures close to the joint space by inserting oblique screws that do not compromise the tibial plateau posteriorly.

The screw holes have been moved even further distally than in regular nails, to allow treatment of distal metaphyseal fractures of the tibia. And, the tip is beveled posteriorly to aid insertion and to avoid contact with the posterior wall.

There are four locking options proximally, two medio-lateral and two oblique. Three distally locking options are provided, two medio-laterally and one anterior postally.

Femoral/Recon-Interlock

The distinctive arrangement of the proximal screw holes makes the M/DN Femoral Nail suitable for both interlocking and reconstruction applications. This arrangement was made possible by using a patented proximal hole configuration, thereby maintaining a strong femoral construct. The strength of this design makes the nail appropriate for unreamed use if the surgeon selects this method. The four-in-one offering with the same nail for left, right, interlock and recon options, dramatically reduces the stack of nails needed.

Retrograde

The M/DN Retrograde Nail is available with a dynamization slot for use with difficult fractures. The three distal holes are very close together for optimal fixation, even for supracondylar fractures. The M/DN Retrograde Nail has a five-degree bend distally to accommodate the posterior insertion point in the inter-condylar notch. Distal screws are available with nuts and washers fo ruse in soft osteo perotic bone often encountered in these type of fractures.

Humeral

Suture holes at the proximal end of the humeral nail help the surgeon capture greater tuberosity fragments. (These suture holes will also accept 1.3mm Cable-Ready® Cable Grip System cable). The M/DN Humeral Nail has two oblique holes proximally and is complemented by an oblique radiolucent guide that facilitates proximal locking in at least three planes. Distal locking is achieved by an anteroposterior screw which is a safe method of locking intramedullary nails in the humerus because it helps avoid neuromuscular structures. The nail also features a dynamic slot distally to allow compression at the fracture site. A large range of diameters are offered starting at 6mm.

All screws, end caps and nails are sterile packed.

Instrumentation

M/DN Instrumentation is kept to an absolute minimum. The instruments are clearly labelled, easily accessible, and logically laid out to follow the order of the procedure. The cases are made of durable, autoclavable plastic with molded cavities and have step-by-step assembly illustrations on the lid.

The two trays of instruments shown will do all nailings illustrated, ie. femoral retrograde, reconstruction, interlocking, tibial and humeral. This greatly reduces the number of trays of instruments with which a hospital has to deal.