The new device is inserted during a relatively minor operation and patients are out of hospital the same day.
However, a few days later it emerged that Owen had indeed had a second minor operation, tightening the screw they inserted during the original procedure.
However, although this is significant when assessed in the light of a very minor operation, the extra risk is very small in comparison to the higher overall risk of major surgery like a heart bypass.
It was her first hospital stay since 2002 when she was treated at the same hospital for a minor knee operation and had minor, non-cancerous lesions removed from her face.
She was last in hospital 10 years ago for a minor knee operation.
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The Queen last received treatment 10 years ago, again at the King Edward VII's hospital, for a minor knee operation.
The goalkeeper is currently recovering from a minor knee operation and has targeted a return for the Old Firm game at Celtic Park on 2 January.
Mancini is already back in Italy for a minor eye operation and will probably not speak to Tevez before Friday, although his first thoughts on the situation should come at a press conference in Turin on Wednesday.
The firm at the center of the storm, American International Group, had only a minor deposit-taking operation.
Two coast guard members sustained minor injuries in the rescue operation.
But bear in mind that seemingly minor flaws in an otherwise thriving operation are deceptive.
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So too has the response of the rebel leaders, who have provoked a minor backlash by setting up their own rather crude whipping operation to stiffen the resolve of waverers.
"As the hull has been removed, the team is now shifting their effort to collecting minor debris that remains on the reef, " the head of the salvage operation, Navy Capt.
After saying in August that an operation would help him "get back to my best", Gay underwent "minor" surgery on Friday on both sides of his groin in Philadelphia.
He added that the vast majority of areas in the hospital were already back in operation, although patients in two wards remained where they had been relocated to elsewhere in the hospital while minor work was carried out.
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