Several dozen surgeons will work with Canavero as he will simultaneously sever the spinal chords of the donor (body) and recipient (head) with a diamond blade, in what is expected to be a 24-hour procedure.
He described himself as having "realised the first human head transplant".
Professor Canavero has gained fame and some notoriety for his controversial claims about the first head transplant.
The world's first head transplant has successfully been carried out on a corpse after a prolonged 18-hour operation. Spiridinov's head will be frozen and a donor identified who will then have the Russian's man head transplanted onto his body.
"The first human transplant on human cadavers has been done", he said at a press conference in Vienna this morning, in remarks reported by The Daily Telegraph.
He added: 'The (Harbin Medical University team) paper will be released in a few days.
'Arsenal must drop Ozil and sulky Sanchez for derby'
The 29-year-old has provided two assists and scored one goal in nine Premier League appearances for the north London-based club. Arsenal manager Arsene Wenger has said that Shkodran Mustafi and Danny Welbeck are both closing in on a return from injury.
However, that operation can not be considered a "full" head transplant as the team did not attempt to join the spinal cords and the animal would have been completely paralyzed.
We're not sure who the patient is going to be after disabled Russian man Valery Spiridonov, 31, said it was unlikely to him after he was initially announced as the likely patient.
'Everyone said it was impossible, but the surgery was successful'. He has said that it could happen this year, for instance, and that the surgery could even take place in the UK.
Dr Canavero also claimed to have carried out a "successful" rat head transplant.
But the medical community has looked at the surgery and the spectacle surrounding it with horror.
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