The Joerns Dolphin FIS Expandable Therapy Surface DLPH-3592EXOOJ-M is a high-performance therapeutic mattress specifically designed for patients requiring advanced pressure redistribution on expandable-length bed frames. This mattress utilizes patented Fluid Immersion Simulation (FIS) technology to create a "near-neutral" buoyant state, which is the gold standard for treating and preventing Stage I-IV pressure injuries. By simulating the effects of a body floating in fluid, this 92-inch extended surface eliminates vertical pressure and shear forces that lead to tissue necrosis. This specific replacement mattress is engineered at an 8-inch depth to provide high-acuity therapy while maintaining a lower profile for safer patient transfers and fall management on modern hospital bed frames.

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