A federal appeals court revived two doctors' False Claims Act lawsuit against a medical device manufacturer on Wednesday accused of making faulty hip implants.

The U.S. Court of Appeals for the First Circuit remanded the case to the U.S. District Court for the District of Massachusetts on the allegations that DePuy Orthopaedics, owned by Johnson & Johnson, sold defective hip implants to doctors who then sought government reimbursement through Medicaid and other programs.

It's one of the latest developments in the flurry of litigation over DePuy's hip replacement products, which include multidistrict litigation in Texas. The doctors who brought the action in the First Circuit are also expert witnesses in the ongoing multidistrict litigation.