The 24-year-old was forced off before half time as his side picked up a 21-0 victory at Kingston Park.
"He's just taken a new knock on his knee but he's fine," Ford told BBC Sport.
"There's no structural damage or a twist. Whether he'll be fit for next week or not - it's too early to tell."
Bath host their first home match of the season on Saturday when they take on old rivals Leicester Tigers.