Feasibility Study to Assess the Safety and Functionality of the GluSense Continuous Glucose Monitor in Diabetic Patients

Inclusion Criteria: Patients must meet all of the following inclusion criteria to be eligible for participation in this study: * Male or female patients between 18 and 50 years of age * Patients with type 1 diabetes mellitus. * The ability to read, understand and sign an informed consent form. Written consent must be obtained prior to initiation of study procedures Exclusion Criteria: Patients who meet any of the following exclusion criteria are not to be enrolled in this study: * Clinical significant illness that can compromise patient's health during study such as: * Significant current heart disease * Significant Liver or kidney disease * HIV infection * Hepatitis B or Hepatitis C infection * Malignancy * Major allergic skin disease including plaster allergies * Significant allergic disorders * Current or recent significant skin conditions (e.g. eczema, psoriasis,). * Presence of skin markings/ abnormalities around implantation site that will interfere with the skin assessment e.g. tattoos, piercings, birthmark, sunburn * Current alcohol or substance use judged by the IP to potentially interfere with patient study compliance. * Routine administration of Steroid based medications. * Patients currently taking part in any other clinical trial using an investigational product within the last 3 months