surprised rivvverrrrrrr omg ! i'm so sorry to hear. this is a lame solution but the first thing that popped to mind is your local doctors,
hospital or gp because they will definitely have contacts that you can reach to getting you a better prosthetic ?
just try not to stress too much , and try not to over work your body . I feel this company or business ur reaching that isn't giving you what you want is just disgusting.
like what ever happened to good customer service like what the hell ?