Bleeding Sores from Incontinence?
You might want to perhaps use a zinc oxide type of cream or a incontinence cream for bed sores between changing. It will help protect her skin. It is a little more of a mess to clean up each time but helps the skin not to break down as much.
Candle Wick Very Thin and Flame Struggling?
You might try getting one of those electric candle warmers. I am not sure how to fix the wick. I do know the candle warmers are relatively cheap and can usually be found in dollars stores and stuff. I have been using mine for awhile now and I cant tell a difference...