Artificial Trachea

Illustration of Larynx
Joseph A. Paydarfar MD
Assistant Professor of Surgery
Specialty: Otolaryngology
Norris Cotton Cancer Center
Dartmouth-Hitchcock Medical Center
  Courtesy Northwestern University Voice Center

Illustration of Larynx in Action

Illustrations from Dr. Paydarfar's talk

Bio:

http://www.cancer.dartmouth.edu/doctors/Paydarfar.shtml