Intramedullary rod

$X-ray showing the proximal portion of a fractured tibia with an intramedullary nail.$

$X-ray showing the distal portion of a fractured tibia and intramedular nail.$

$Proximal femur nail with locking and stabilisation screws for treatment of femur fractures of left thigh.$

An intramedullary rod, also known as an intramedullary nail (IM nail) or inter-locking nail or Küntscher nail (without proximal or distal fixation), is a metal rod forced into the medullary cavity of a bone. IM nails have long been used to treat fractures of long bones of the body. Gerhard Küntscher is credited with the first use of this device in 1939, during World War II, for soldiers with fractures of the femur. Prior to that, treatment of such fractures was limited to traction or plaster, both of which required long periods of inactivity. IM nails resulted in earlier return to activity for the soldiers, sometimes even within a span of a few weeks, since they share the load with the bone, rather than entirely supporting the bone.

单词	Kuntscher nail
释义	Kuntscher nail 英语百科 Intramedullary rod $X-ray showing the proximal portion of a fractured tibia with an intramedullary nail.$ $X-ray showing the distal portion of a fractured tibia and intramedular nail.$ $Proximal femur nail with locking and stabilisation screws for treatment of femur fractures of left thigh.$ An intramedullary rod, also known as an intramedullary nail (IM nail) or inter-locking nail or Küntscher nail (without proximal or distal fixation), is a metal rod forced into the medullary cavity of a bone. IM nails have long been used to treat fractures of long bones of the body. Gerhard Küntscher is credited with the first use of this device in 1939, during World War II, for soldiers with fractures of the femur. Prior to that, treatment of such fractures was limited to traction or plaster, both of which required long periods of inactivity. IM nails resulted in earlier return to activity for the soldiers, sometimes even within a span of a few weeks, since they share the load with the bone, rather than entirely supporting the bone.
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Kuntscher nail

Intramedullary rod