Equipment for continuous ambulatory peritoneal dialysis in which a solution container is coupled via flexible tubing to a patient's tube that communicates with the patient's peritoneal cavity by means of a catheter, usually a surgically implanted catheter. The equipment includes a flexible, foldable...http://www.google.es/patents/US4439188?utm_source=gb-gplus-sharePatente US4439188 - Tube connector