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Casts are typically removed by perforation using a cast saw, an oscillating saw designed to cut rigid material such as plaster or fiberglass while not harming soft tissue. [7] Manually operated shears, patented in 1950 by Neil McKay , [ 8 ] may be used on pediatric or other patients who may be affected by the noise of the saw.
The loss of a limb, or even death, was a possible outcome for a broken bone prior to the invention of the modern cast. Brilliant in its application, yet ingeniously simple, the cast method required little expense (bandages, plaster and water), minimal time for the physician, and provided a faster and more effective cure for broken bones. [2]
Fiberglass casts were introduced in the 1980s or 1990s. The curing time of a fiberglass cast is far shorter than plaster of Paris, letting the patient walk with an outer boot within an hour of application. Because casts made of fiberglass have lower breakdown rate and do not impede patient mobility, this material has become the choice for TCC.
Plaster casts over fractures were sometimes called "Spanish dressings" In the Middle Ages an Italian a description appears in the thirteenth century, where surgical tape was recorded as sparadrappo , although there were some variations of spelling.
Plaster is widely used as a support for broken bones; a bandage impregnated with plaster is moistened and then wrapped around the damaged limb, setting into a close-fitting yet easily removed tube, known as an orthopedic cast. Plaster is also used in preparation for radiotherapy when fabricating individualized immobilization shells for patients ...
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[3] [4] He received a patent in 1947 and the principle is used today in the "Stryker Saw", the standard surgical tool for bone and plaster casts. [5] In 1946, he founded Orthopedic Frame Company Inc. to manufacture and sell his inventions, although no patent had yet been granted for his hospital bed.
Elektrische Gipssäge, by Ortopedia, Kiel, Germany. A cast saw is an oscillating saw used to remove orthopedic casts.Instead of a rotating blade, cast saws use a sharp, small-toothed blade rapidly oscillating or vibrating back and forth over a minimal angle to cut material and are therefore not circular saws. [1]