The present invention describes a device for placement in the thoracic cavity of a patient. The device is a cannula, tube or catheter for chest drainage. The device serves as a conduit for drainage of excessive fluid or air buildup in the chest to a receptacle outside the body. The device also serves...http://www.google.ca/patents/US6638253?utm_source=gb-gplus-sharePatent US6638253 - Method and apparatus for chest drainage
