Introduction
Sequential Compression Devices (SCDs) are medical devices used to prevent blood clots and improve circulation in patients who cannot move freely. The ST-504 brings this clinical technology into the home, offering healthy adults access to the same circulatory benefits that have been proven in hospitals for decades.
This article explains what sequential compression therapy is, how it works medically, and why it matters for everyday health.
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Last updated: 2026-07-23