Patent ID: 7331940

Claim:
A method for providing percutaneous access into a patient's body, comprising: positioning a percutaneous access device through an incision formed in tissue over a patient's skull such that a first flange of the percutaneous access device is positioned underneath the tissue, a sleeve of the percutaneous access device extends from the first flange through the incision, and a second flange slidably disposed around the sleeve is positioned external to the tissue; sliding the second flange of the percutaneous access device along the sleeve toward the first flange to sandwich the tissue between the first and second flanges; and inserting a ventricular catheter through the second flange, the sleeve, and the first flange and into the patient's ventricles; wherein at least a portion of the percutaneous access device includes an antimicrobial agent for protecting the tissue from bacterial colonization around the percutaneous access device.