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Pour Casts |
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Patient casts are booked in, inspected & then filled with casting plaster to obtain a positive mold of patient's foot. A colour additive is used to differentiate added plaster during the next stage.
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Mark heel bisection |
Heel bisection is checked & marked. This image shows rearfoot everted at NCSP before correction.
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Forefoot Platform |
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Forefoot measurements are made, then nails added to forefoot to invert/ evert rearfoot as prescribed. Plaster is then added to this area to create a forefoot platform.
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Arch Fill |
Plaster is then added to arch area to provide a smooth contour between forefoot platform & rearfoot. the amount of plaster varies depending on prescription.
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Completed casts |
Completed positive casts showing arch fill & lateral expansion plaster..
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Completed cast -side view. |
Side view of completed cast showing original cast (grey), forefoot platform (yellow), & arch fill (white). Amount of arch fill is dependent on prescription.
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Heat molding. |
Orthotic shell material is heated in a convection oven until pliable, then vacuum formed over cast.
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Polypropylene plate. |
Polypropylene plates after molding in vacuum press.
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