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Current Affairs

Low-cost device for Deep Vein Thrombosis (DVT)

Date: 14 September 2020 Tags: Miscellaneous

Issue

Scientists have come up with a device that can facilitate the flow of blood from the veins in the legs thus preventing DVT.

 

Background

The formation of a blood clot in a deep vein, usually in the legs or Deep Vein Thrombosis (DVT), can lead to life-threatening complications.

 

Details

  • The device can bring relief to patients affected by prolonged immobility, bedridden state, post-operative immobilization, paralysis of legs, a large number of whom are affected by DVT causing pain, swelling, redness, warmth, and engorged surface veins.

  • The detachment of the clot and its transport to the arteries carrying impure blood to the lungs can cause ‘pulmonary artery embolism’, a potentially life-threatening complication.

  • The newly developed device works by compressing the veins in the legs in sequence so that the flow of blood from the veins in the legs is facilitated.

  • The compression pressure is set in such a way that the veins are compressed but not the arteries. It is equipped with closed-loop monitoring of compression pressure and also has controls through valves which are driven by an electronic circuit.

  • A dedicated software and a control circuit are provided in the device to ensure that safe compression levels are always maintained. The device is also equipped with a power supply back-up in case of power failure.