1. A medical, legal, or administrative process or method that has been officially prohibited or forbidden by law, regulation, or authority
The banned procedure was outlawed due to safety concerns.
O procedimento proibido foi vetado devido a preocupações com segurança.
2. In medical context, a surgical or therapeutic technique that is no longer permitted to be performed in a jurisdiction
That banned procedure is no longer available in most developed countries.
Esse procedimento proibido não está mais disponível na maioria dos países desenvolvidos.