Zaid Alsalami, Shaykh Dr Zaid Alsalami is an Iraqi born scholar, raised in Australia. He obtained a BA from Al-Mustafa University, Qom, and an MA from the Islamic College in London. He also obtained a PhD from... Answered 1 year ago

Bismihi ta'ala

You would have to perform the ghusl in the the form of "ghusl jabirah", in the case where you are not allowed to get the injured hand wet.

Please watch a tutorial I have on this:

And Allah knows best.