Patent ID: 8652101

Claim:
An implantation device for implanting a sensor element for detecting at least one analyte in a bodily fluid or body tissue, comprising at least one cannula for piercing a skin surface of a patient, wherein the cannula has at least one holding area for holding the sensor element, wherein the implantation device has at least one hydraulic container, connected to the cannula, for holding a hydraulic fluid, wherein the implantation device has at least one pressure generation device, wherein the pressure generation device is designed to apply pressure to the hydraulic fluid, wherein the sensor element can be transferred from the cannula into the body tissue by a hydraulic pressure exerted by the hydraulic fluid, wherein the hydraulic fluid is supplied by a hydraulic reservoir into the hydraulic container via at least one connection and, wherein the connection comprises at least one valve, wherein the valve is designed to open in the case of negative pressure in the hydraulic container and permit subsequent flow of hydraulic fluid into the hydraulic container.