Design and implementation of an implantable goniometer.
D000818:Animals; D001186:Artificial Limbs; D001698:Biomedical Engineering / Q000295:instrumentation*; D004285:Dogs; D004567:Electrodes, Implanted; D006801:Humans; D007596:Joints / Q000502:physiology*; D007719:Knee Joint / Q000502:physiology; D014159:Transducers