The Sixers are 4-4 without Bynum, including three straight losses at home.
Bynum announced in May, while still a member of the Los Angeles Lakers, that he was going to Germany in September for the Orthokine blood-spinning treatment in his knees that other professional athletes have sought. The Sixers announced before training camp that Bynum needed to delay his return to allow the effects of the Orthokine treatment to work.
The bone bruise in his right knee caused the Sixers to push the return date from training camp to the regular season and now possibly to midseason.
But the Sixers are still looking long term with Bynum, who's in the last year of his contract.
"My main concern is Andrew's health," Sixers general manager Tony DiLeo said. "My main concern is big picture. We want to have a long relationship with him."