He will now be available for Friday's Super League clash with Catalans Dragons and the Challenge Cup fourth-round tie with Saints on 5 April.
The ex-Australia A international suffered the serious injury in the Dragons' 26-7 Heineken Cup loss in Toulouse on Saturday.
If Newport-Gwent Dragons are involved in a Heineken Cup qualification play-off, Williams and Rhys Thomas are likely to be released to their region.
The Dragons will return to the Heineken Cup next season after a season's break, but Turner fears his side will suffer unless new signings are made.
The Dragons head into their final Heineken Cup game of the season looking for revenge over Gloucester at Rodney Parade on Sunday, and boosted by the return of scrum-half Wayne Evans.
Emerick, 26, who specialises at centre but can cover full-back and wing, scored the late try that sealed the Dragons' 24-15 Heineken Cup play-off defeat by Overmach Parma on 2 June.
The 44-year-old emerged as favourite to succeed Anderson after guiding the Dragons to last year's Challenge Cup final at Wembley.
The 34-year-old played for the Dragons in last summer's Twenty20 Cup and has re-signed for the months of July, August and September with an option to extend.
The Dragons failed to qualify for the Heineken Cup this season, but have impressed in Europe in the second tier Challenge Cup competition and are going well in the Magners League.
Emerick was the villain last season when he scored the winning try in Overmach Parma's Heineken Cup play-off win against the Dragons.
He also hopes the Dragons management take note of their semi-final cup appearance, the only in the region's history apart from a 2007 European Challenge Cup last four defeat to Clermont Auvergne, and invest in infrastructure to improve their promising players.
"It is a reasonably difficult injury, and it will take a bit of time to come back, " added Bates, speaking after Newcastle lost their opening EDF Energy Cup match 25-14 to Newport Gwent Dragons.
But Charvis, Kevin Morgan and Aled Brew joined the Dragons' injury list, who face an 18 May Heineken Cup play-off against the third-best Italian side.
Charteris was named in McBryde's original training squad for the tour, but stayed behind to help the Dragons' beat Calvisano 42-17 in Friday's Heineken Cup play-off.
The result means Newport Gwent Dragons must now play-off against an Italian side for a Heineken Cup place.
Even under that restraint the Dragons reached the semi-final of this season's European Challenge Cup, European club rugby's second-tier competition.
The Parc y Scarlets side remain the bottom-placed Welsh region, the Blues and Dragons in their sights as they seek qualification for next season's Heineken Cup.
The Dragons lost 43-3 at Murrayfield on Saturday, damaging their hopes of avoiding the Heineken Cup play-off game.
Bath's victory was vital to their Heineken Cup aspirations after Pool Five rivals Toulouse claimed a bonus-point win over the Dragons on Saturday.
So it will be the Dragons who face a play-off against the third-placed Italian side for the 24th and last Heineken Cup place on offer, with that game taking place on 29 May.
If the new consortium agrees terms to take over the Dragons franchise, then Turner will be given the financial backing to create a squad capable of challenging for the Heineken Cup.
Falcons last made it into the Heineken Cup in the 2004-05 season, where having topped a pool including Perpignan, Newport-Gwent Dragons and Edinburgh, Rob Andrew's side were outclassed by finalists Stade Francais in the quarter-finals at the Parc des Princes in Paris.
BBC: Prop Golding holds Newcastle Falcons Heineken Cup dream
应用推荐