A Sequential Compression Device, or SCD, (also known as a Lymphedema pump) is used to help circulate blood in the legs of immobile patients. When a patient spends long periods of time in bed, blood often pools in the calf area. An SCD works to increase circulation by gently compressing the legs. This gentle compression helps reduce swelling and numbness as it helps move the fluids from the area. For patients who are immobile, the SCD can help prevent many common circulatory diseases, such as Deep Vein Thrombosis (DVT), by increasing circulation in the lower extremities.
The SCD machine consists of a control unit and sleeves that fit around the calves or, the calves and thighs. The control unit sends a signal to the sleeves which then gently, sequentially compress the legs in order to help encourage better circulation. Each compression can provide upwards of 1 ounce of blood flow back towards the heart.
If you are interested in using an SCD machine, you need to speak with your doctor ahead of time as a test is generally required to ensure you have no blood clots that may cause further medical complications.