Owen said at the weekend his club comes before country, but he faces a tough decision in the next week.
Owen To Decide - Club Or Country?
England play Estonia on October 13 and the striker will not play any Newcastle games leading up to the match.
Dr Ulrike Muschaweck: "The operation has been perfect, without any problems.
"I think after eight or 10 days, he can be back to full activity.
"I don't know about the game for Newcastle, but in a maximum of 14 days he will be back on full activity.
"I think he will start training on Monday and Tuesday, and he will train every day a little bit more."