| 摘要 |
A casting blank for forming orthopedic casts is provided with two layers of plaster splints having different setting rates or times. The plaster splint layer disposed on a lower sheet of the casting blank sets more slowly than the layer disposed on an upper sheet of the blank. The quicker setting upper plaster splint layer rapidly immobilizes the injured body part, while the slower setting lower splint layer results in greater final cure strength and insulates the body part from the heat generated by the upper layer to prevent burning of the skin surface. The slower setting lower splint layer adapts more completely to the contours of the body portion to increase patient comfort.
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