The Cirona 6200(US FDA Approved) has two added features over its predecessor; a rechargeable battery to provide portable therapy and a detachable power cord to provide users with an even friendlier DVT pump. with the Cirona 6200 DVT prevention therapy pump. When using the device, air compression will quickly inflate the garments during a timed cycle. The timed cycle includes a 12-second inflation period as well as a 48-second relaxation period. This type of rapid air compression and deflation is a powerfully effective therapy that may increase venous blood flow and help prevent the painful symptoms of serious, life-threatening blood clots. Effective: Enhances circulation to provide therapy that may prevent clotting. Cosy: Disposable compression garments made of soft, breathable material.