The Universal Nails
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Universal Tibial and Femoral Nails feature:
- Anatomic design for easier insertion and improved fit
- Transverse locking holes to allow use of one nail in either left or
right extremity
- Conical threads for secure connection to insertion/extraction
instruments
- Patented keystone* slot to prevent spreading ofproximal end when
connected to instruments
- Full length slot for flexibility
- 1.2 mm wall thickness of 316L stainless steel for strength with
flexibility
- Cloverleaf cross section for the best interference fit in the
medullary canal
- Multiple locking options
The Universal Tibial Nail features:
- Tapered distal tip to prevent penetration of posterior cortex during
insertion, and to glide easily through medullary canal
- One dynamic and two static transverse locking holes proximally
- Two transverse locking holes and additional A-P locking hole distally
- Anatomically correct 11° bend (1) and longer, flat proximal bend for
easier insertion, better fit
- Beveled proximal end to prevent soft tissue irritation
- Wide range of available sizes: 10 mm-14 mm diameters and
255 mm-420 mm lengths
The Universal Femoral Nail features:
- Static and dynamic transverse locking holes proximally
- Two static transverse locking holes distally
- 1.5 m radius of curvature to approximate the average anatomic
curve of the femur (2)
- A wide range of available sizes; 10 mm-19 mm diameters and
300 mm-480 mm lengths
The 4.9 mm Locking Bolt features:
- One diameter bolt for all applications using universal nails
- 4.9 mm thread diameter, engages bone and nail for superior holding
capacity
- Fully-threaded shaft for easier insertion and extraction
- 4.3 mm core diameter for greater strength
- Low head profile for areas with minimal soft tissue coverage
- Self-cutting trocar tip to eliminate tapping
(1) P.F. Heini, Untersuchung der Tibia-Innenform im Zusammenhang mit der Marknagelung, diss., University
of Bern, Switzerland, 1987.
(2) K. Zuber,J. Eulenberger, E. Schneider, and S.M. Perren, "Anatomical curvature of the femoral canal for
intramedullary roddings," Proceedings 5th Meeting (Berlin: European Society of Biomechanics, 1986).
* Keystone slot is covered under U.S. patent 4,628,920 and other patents.
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