Since its commercialization in the 1950s, flexible polyurethane foam has been employed in a number of medical applications.
FPF is incredibly versatile, making it a desirable material for cushioning, stabilization, wound treatment, protection of medical equipment, and more. It is estimated that the market for FPF in medical applications will grow to more than $38 billion within the next decade.
Foam can be formulated to be very soft or very firm. Foam can also be fabricated, or cut, into shapes that have different comfort and stabilization properties. For example, convoluted or dimpled foam is often used in hospitals for bedridden patients, to reduce pressure on the skin that causes bed sores. Viscoelastic, or “memory” foam can be used in the same way.
Foam may also be used in conjunction with other materials in medical devices. A removable plastic or metal brace may have a layer of foam to cushion the patient from the more rigid material. Foam pads may also be used in conjunction with mechanical devices that alleviate pressure points by changing the patient’s position on a periodic basis.
And reticulated foam (large, open cells that can collect fluids) is used in Negative Pressure Wound Treatment (NPWT) where a bandage with foam and a device that provides suction help draw infected fluids and tissue bits out of a wound, stimulating it to heal faster.
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