Russian driver Mikhail Aleshin has been released from hospital, his team Schmidt Peterson Motorsports announced on Tuesday.

Aleshin suffered a concussion, chest injuries, fractured ribs and a broken shoulder bone in an accident in practice at Auto Club Speedway in Fontana, California while preparing for the 2014 Verizon IndyCar Series finale at the end of August. The other driver involved in the accident, Ganassi's Charlie Kimball, escaped the incident without injury.

Following the accident Aleshin was admitted to Loma Linda University Medical Center where he underwent a surgical procedure. He remained in California until last week, when he was finally considered sufficiently healed to enable him to travel back to Indianapolis.

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In the past week, Aleshin has been undergoing treatment at Methodist Hospital in Indianapolis under the supervision of IndyCar's medical consultants Dr Terry Trammell and Dr Kevin Scheid, which has included a further minor surgical procedure on his right shoulder.

Aleshin has now been released from hospital and will continue his recovery and rehabilitation in Indianapolis, before potentially flying home to Russia later in the year.

"I'm feeling better each day," Aleshin said in a statement released by SPM. "I'm very happy to be back in Indianapolis with my friends and the team. The doctors are taking very good care of me.

"Everything is going as planned with my recovery, and before you know it I'll be back behind the steering wheel," he added.

Aleshin is expected to make a full recovery over the off-season and should be ready to take part in the 2015 season which gets underway in March. Aleshin's future plans in the series have not yet been announced and it's not clear whether he will stay with SPM or move to another team for his sophomore season.

Aleshin's team mate this season, Simon Pagenaud, is out of contract at SPM after this season and is rumoured to be lined up for a move to Team Penske for 2015 although nothing official has yet been announced by either party.