Pettersson, who began shooting pucks last month, also said he is fully healthy to start the season.
"I kind of hyperextended my wrist, and that injury cost me half the season," Pettersson said Wednesday in Sweden. "And for sure, this definitely was my most frustrating season. But it feels good now, there will be no problems whatsoever to start next season. Had [the season] started today, I would have been able to play. I'm completely recovered.
"It was an unfortunate injury. I'm extremely hungry for revenge. I haven't played a single game since March 2. I'm really looking forward to play games again."
Surgery wasn't required for the injury, which occurred in a 4-0 win at the Winnipeg Jets on March 1. Pettersson played in a 5-2 loss at Winnipeg the next day but left the morning skate early March 4 and did not play again.
Pettersson scored 21 points (10 goals, 11 assists) in 26 games last season, his third in the NHL. He scored 14 points (seven goals, seven assists) in his final 14 games for the Canucks (23-29-4), who finished last in the seven-team Scotia North Division. The top four teams qualified for the Stanley Cup Playoffs.
"If Vancouver had advanced to the playoffs, I could have played, but then it would have been on painkillers," Pettersson said. "I am practicing full time now, I have moved to Stockholm and have been practicing hard all summer."