Summary
External fixation is a surgical treatment wherein Kirschner pins and wires are inserted and affixed into bone and then exit the body to be attached to an external apparatus composed of rings and threaded rods — the Ilizarov apparatus, the Taylor Spatial Frame, and the Octopod External Fixator — which immobilises the damaged limb to facilitate healing. As an alternative to internal fixation, wherein bone-stabilising mechanical components are surgically emplaced in the body of the patient, external fixation is used to stabilize bone tissues and soft tissues at a distance from the site of the injury. In Classical Greece, the physician Hippocrates described an external fixation apparatus composed of leather rings connected with four wooden rods from a Cornel tree to splint the fracture of a tibia bone. In 1840, Jean-Francois Malgaigne described a spike driven into the tibia and held by straps to immobilise a fractured tibia. In 1843 he used a claw-like device to percutaneously hold the fragments of a fractured patella. Clayton Parkhill of Denver, Colorado and Albine Lambotte of Antwerp, Belgium independently invented the modern concept of unilateral external fixation, in 1894 and 1902, respectively. Lambotte was the first to use threaded pins, however, his device necessitated initial, open fracture reduction and then pin insertion and fixator placement. In 1938, Raoul Hoffmann of Geneva, Switzerland, building on the work of others, realized that major improvements were essential to make the external fixator more clinically relevant. He developed a technique based on closed reduction with guided percutaneous pin placement. Hoffmann’s technique exemplified the first application of minimally invasive orthopaedic surgery. In the 1950s, in the USSR, Dr. Gavriil Ilizarov devised and developed and applied the Ilizarov apparatus for treating and resolving fractures, deformities, and defects of the bones of the limbs. A metal frame encircles the limb is attached to the underlying bone by crossing (X) pins inserted through the bone and limb.
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Related concepts (5)
Distal radius fracture
A distal radius fracture, also known as wrist fracture, is a break of the part of the radius bone which is close to the wrist. Symptoms include pain, bruising, and rapid-onset swelling. The ulna bone may also be broken. In younger people, these fractures typically occur during sports or a motor vehicle collision. In older people, the most common cause is falling on an outstretched hand. Specific types include Colles, Smith, Barton, and Chauffeur's fractures. The diagnosis is generally suspected based on symptoms and confirmed with X-rays.
Ilizarov apparatus
In medicine, the Ilizarov apparatus is a type of external fixation apparatus used in orthopedic surgery to lengthen or to reshape the damaged bones of an arm or a leg; used as a limb-sparing technique for treating complex fractures and open bone fractures; and used to treat an infected non-union of bones, which cannot be surgically resolved. The Ilizarov apparatus corrects angular deformity in a leg, corrects differences in the lengths of the legs of the patient, and resolves osteopathic non-unions; further developments of the Ilizarov apparatus progressed to the development of the Taylor Spatial Frame.
Bone fracture
A bone fracture (abbreviated FRX or Fx, Fx, or #) is a medical condition in which there is a partial or complete break in the continuity of any bone in the body. In more severe cases, the bone may be broken into several fragments, known as a comminuted fracture. A bone fracture may be the result of high force impact or stress, or a minimal trauma injury as a result of certain medical conditions that weaken the bones, such as osteoporosis, osteopenia, bone cancer, or osteogenesis imperfecta, where the fracture is then properly termed a pathologic fracture.
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