AVENTURA, Fla.--(BUSINESS WIRE)--Aesculap Implant Systems, Inc. is pleased to announce that Dr. Rolando Garcia, Jr. of Aventura Hospital and Medical Center, has performed the first implants of the Activ-L Artificial Disc. The Activ-L Artificial Disc is being investigated for the treatment of single-level degenerative disc disease of the lumbar spine that has been unresponsive to prior conservative treatment of at least six months duration. The design incorporates a center core intended to allow both translation and rotation and to more closely approximate physiological motion.