Advanced Bionics Corporation develops implantable neurostimulation devices. The company develops and manufactures cochlear implants. Its devices restore hearing in the deaf and alleviate chronic pain. Acquired by Sonova Holding AG and working with Phonak since 2009, AB develops cutting-edge cochlear implant technology that restores hearing to those with severe-to-profound hearing loss. In June 2004, Advanced Bionics had been acquired by MA based, Boston Scientific. Advanced Bionics, manufacturer of cochlear implants, is an emerging leader in the field of neurostimulation. The firm manufacture a cochlear implant that uses neurostimulation to restore hearing in profoundly and severely deaf individuals. This device - Clarion - is surgically implanted and uses computer technology to bypass damaged parts of the inner ear by sending electrical sound signals directly to the auditory nerve. The Clarion was approved for use in adults by the FDA in August 1996 and for children in June 1997. Advanced Bionics is now working on vision restoration, rehabilitation of muscles of stroke victims, treatment of female urinary incontinence and relieve pain through an implantable neuromuscular stimulator. The company was later acquired a second time in November 2009, by Sonova Holding AG