The stand-off was undergoing routine surgery for minor cartilage damage when he technically died for 30 seconds after being given an anaesthetic.

BBC: Rooney relief after heart scare

The researchers hope that patients with cartilage damage caused by accidents or sports injury will be treated using the technique within five years.

BBC: Fat could 'repair injuries'

Luigi Belcuore, from Morton Bagot in Warwickshire, had agreed to the trial while having elective surgery on his right knee to repair cartilage damage.

BBC: Luigi Belcuore died during clinical trial, inquest hears

"Recent scans confirm an injury to the right knee with bone bruising and possible cartilage damage to the kneecap, " the ECB said in a statement.

WSJ: Pietersen Quits Tour With Knee Injury

Cameroon international Song was substituted during Saturday's Premier League win over Wolverhampton due to a groin worry, but a scan on his knee has revealed cartilage damage.

CNN: STORY HIGHLIGHTS

It means that you have had no significant knee injury in the past and that you have no evidence, whether by X-ray, MRI or physical examination, of arthritis or cartilage damage in the knee.

CNN: Will jogging hurt an obese person's joints?

After averaging 32 regular-season games in her first four seasons in Detroit, Ford totaled just 68 in her last three while she endured cartilage damage in her left knee in 2007 and a torn ACL in her right knee in 2008.

WSJ: Ford eyeing title in return to WNBA with Liberty