Duration of Infusion Set Function: Quick-Set Teflon Catheter Versus Sure-T Steel Infusion Set Catheter

Inclusion Criteria

• Clinical diagnosis of type 1 diabetes for at least one year and using an insulin pump for at least 3 months
• The diagnosis of type 1 diabetes is based on the investigator's judgment; C peptide level and antibody determinations are not needed.
• Age 12 to 45 years
• For females, not currently known to be pregnant
• An understanding of and willingness to follow the protocol and sign the informed consent
• Hemoglobin A1c level less than or equal to 10%
• Medtronic Continuous subcutaneous insulin infusion pump
• Must be able to understand spoken or written English

Exclusion Criteria

• Diabetic ketoacidosis in the past 6 months
• Severe hypoglycemia resulting in seizure or loss of consciousness in the 6 months prior to enrollment
• Current treatment for a seizure disorder
• Cystic fibrosis
• Active infection
• A known medical condition that in the judgment of the investigator might interfere with the completion of the protocol such as the following examples:
• Inpatient psychiatric treatment in the past 6 months for either the subject or the subject's primary care giver (i.e., parent or guardian)
• Presence of a known adrenal disorder
• If on antihypertensive, thyroid, anti-depressant or lipid lowering medication, lack of stability on the medication for the past 2 months prior to enrollment in the study
• Abuse of alcohol