Smart sisters, what's the meaning of "recall"

See this sentence;

71% of recalled medical devices that had been granted U.S. FDA approval under an expedited review process for new products that are similar to existing, already tested and approved ones.

所有跟帖： 

• 就是产品召回。 -蓝枪鱼- ♀ (243 bytes) () 02/24/2011 postreply 19:11:51

• 回复：yes -doyouknowme- ♀ (0 bytes) () 02/24/2011 postreply 19:16:47

• Thank you guys. -789654- ♀ (0 bytes) () 02/25/2011 postreply 02:07:40