Portable Foot Dorsiflexion for the Treatment of Deep Vein Thrombosis
Journal Title: International Journal for Research in Applied Science and Engineering Technology (IJRASET) - Year 2015, Vol 3, Issue 2
Abstract
Deep Vein Thrombosis is a condition where a thrombus is formed in a deep vein situated at the lower extremity of the leg. This clot can block the flow of blood in the leg or may travel to the lungs and cause a potentially fatal pulmonary embolism. The incidence of DVT is particularly high after hip or knee surgery but may occur whenever patients are immobilized over a period of time. The techniques that have been followed to treat DVT have many drawbacks such as the compression devices have limited patient compliance and the blood thinning drugs have limited effectiveness on the clot. Active or passive movement of the ankle, alone or in combination can reduce the incidence of DVT. Since active movement is not feasible by the patient, the treatment device is attached to a patient’s ankle to deliver passive movement to promote blood flow. The device includes a battery or AC supply, actuator, lcd, controller, coupling elements like socks, screws etc., The controller performs the logical operation as well as it provides the input to the power driver which supplies the required voltage needed by the actuator for the dorsiflexion movement. The degree of movement can be made visible with the help of lcd , thus by looking at the display we will get to know about the maximum angle beyond which the patient cannot move his/her foot as it produces pain. The patient can manipulate the device with the help of an external switch thereby they will be able to increase or decrease the external force that induces the passive movement.
Authors and Affiliations
S. Maheswari, S. P Narmada, A. Vijayalakshmi, M. Vinitha, K. R. Vishnupriya
Keywords
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