Devices and methods for determining analyte levels are described. The devices and methods allow for the implantation of analyte-monitoring devices, such as glucose monitoring devices, that result in the delivery of a dependable flow of blood to deliver sample to the implanted device. The devices comprise...http://www.google.es/patents/US6741877?utm_source=gb-gplus-sharePatente US6741877 - Device and method for determining analyte levels
