A locking device that can be used to adjust a cord of a small system or a medical device. The locking device includes an outer housing having a first lumen. A cord is disposed within the first lumen where the cord is freely moveable through the first lumen. A locking mechanism is disposed within the...http://www.google.ca/patents/US7828819?utm_source=gb-gplus-sharePatent US7828819 - Cord locking mechanism for use in small systems
