![]() During above knee prosthesis assembly, patients are found out with stump end swelling when wearing thigh prosthesis.When this happens, it is important to note there is a high probability that the prosthetic socket will not fit properly. There arethe following three reasons after analysis: First, It may be allergic reactions of the residual limb , some amputees themselves are allergic constitution. The friction between prosthetic socket and production materials is most likely to cause allergies. If it is stump swelling caused by allergic skin, you can consider the replacement of other materials for prosthetic socket , orother ways to deal. ![]() Second, the residual limb doesn’t make a full contact with prosthetic socket of above knee prosthesis.The modern thigh prosthesis adopts negative pressure suspension, which means above knee prosthesis is attached to the residual limb as pressure difference of outside and inside socket in order to achieve the suspension function. This time if the socket doesn’t have the full contact with the stum, the pressure difference easily leads to swelling due to poor circulation.If we find out the reason, we need to improve internal contact of socket with technical means.If the situation is severe, we must replace the prosthetic socket. ![]() Third, the residual limb bears excessive force due to improper design of socket.That will cause the swelling of stump end.We should adjust the socket in time.If the adjustment can not be improved,we should exchange the socket immediately. In addition to the first case, the prosthetists from MEDI-REHATEK says,muscle atrophy develops fastly will lead to Case II and Case III.Especially in the initial assembly, the degree of muscle atrophy varies greatly depending on the individual difference.So weneed to observe the changes of residual limb at any time in order to achieve the best effect of prosthetic assembly. Relative blog:Thigh prosthesis socket with ischial containment I
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