Ender nail

Ender nail

Orthopedics An unreamed intramedullary nail used for femoral shaft and intertrochanteric fractures; ENs allow early weight-bearing and can be placed with closed technique, which avoids damage to soft tissue and to the periosteal and muscular blood supply
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factory Union Mechanical Study Patients (%) Rate (%) Failure Zickel Nail Lechner (1990) 8 -- 0 12 Bergman (1987) 131 90 4 1 Thomas (1986) 52 -- -- 0 Templeton (1979) 26 -- 4 0 Zickel (1976) 94 -- 1 1 Overall 301 90 3 1 Ender Nail Whitelaw (1990) 25 72 0 0 Dobozi (1986) 79 -- 0 10 Pankovich (1980) 31 -- 0 26 Overall 135 72 0 12 Intramedullary Nail Wu (1991) 31 -- 10 3 Papagiannopoulos (1989) 27 -- 0 0 Heiple (1979) 14 -- 0 0 Seinsheimer (1978) 4 -- 0 25 Overall 76 -- 4 3 Table 6 Reported Incidence of Non-union or Other Causes of Mechanical Failure for Subtrochanteric Fractures (Percentage) No.
In transverse osteotomies, interlocking IM nailing and Zickel nails approached 75% to 80% of the relative bending stiffness, while Ender nails reached less than 50% of the bending stiffness.
Package 12 - Kirschner wire, cortical screws, rods Ender nails Steinmann.
Ender nails are flexible stabs integrated in the core of the bone, in marrow, from distal end up to the femoral head.