"We are asking for a special safe conduct pass that lasts a few hours only so he can take a magnetic resonance and return under our protection," Patino said, adding, "and possibly beneath the protection of British police, if they want to put 10,000 police alongside the vehicle to take him to the hospital."
Britain's Foreign Office said in a statement that Britain would not "in any way seek to impede Mr. Assange receiving medical advice or care. We have made this clear to the government of Ecuador."
But British officials have also made it clear that Assange faces arrest if he leaves the embassy.
On Monday British police withdrew a 24-hour guard from the building, but said they would still "deploy a number of overt and covert tactics" to arrest Assange if he left.
Patino said an option would be for another country or the Red Cross to bring a portable MRI machine to the embassy.
Ecuador won't help Assange leave UK embassy safely – foreign mi...