Design and analysis of the performance of a mechanical system used to reduce of blood clots for long- term patients

Abstract

A simplified mechanical system was designed that is capable of moving patients’ legs(foot+ leg + thigh), which are easily attached to the arms of the system after applying a rotating torque and work to stimulate their blood circulation, which prevents or reduces the appearance of clots in the vessels and deep veins, especially in the area of one of the legs and rarely in both. This study was conducted on several patients, amounting to (176) patients, with ages ranging from 35 to 80 years. They were divided into two age groups: Category (A) for ages over 60 years, numbering (25), and Category (B) for ages under 60 years, number (40). Patients and each group were divided into two groups, a control group and an examination group, after excluding a number of patients amounting to (58) patients because they were taking diluted treatments, which would prevent the results from appearing or would not help in giving accurate results. A number of patients were also excluded, amounting to (53) patients. Because they did not want to continue working on the mechanical system or because they left the hospital based on their wish, (D-dimer test) were performed and measurment temperatures in the the area where clots occur on the patients under study after dividing each age group into two groups, examiner and control, with numbers of 16.and9 patients for the first group and 30 and 10 for the second group, respectively. These results were analyzed after comparing the control and test groups.