Blood banks had enough on hand to announce shortly after the attacks that they were prepared to provide to the victims; this should warm your heart. People did not wait to hear about shortages. They simply showed up ready to give.
At the moment, no one knows for certain what the demand is for prosthetics and all associated costs. We might as well give until we get the all-clear.
The following list of amputee-related charities was provided to PJ Media by Wounded Warrior Project Resource Center: