Bionics Institute Seminar Dr Simone Gambini Title: An implantable microsystem for minimally invasive intracranial pressure measurement When: Friday 4-Apr at 4pm Where: 384-388 Albert Street, East Melbourne. Bionics Institute. Abstract: Intracranial pressure (ICP) is a critical indicator of health and its monitoring is mandated in traumatic brain injuries and a number of other conditions. Elevated ICP above 25mmHg results in brain ischemia and eventually death; while in normal pressure hydrocephalus (NPH) daily short bursts of elevated ICP cause progressive brain damage and eventually loss of cognitive ability. Unfortunately, current instruments to monitor ICP are either invasive or inaccurate. The golden standard for accuracy relies on a catheter inserted in a ventricle; while a more common procedure is to measure ICP manometrically through a lumbar puncture. Wirelessly powered telemetric ICP measurement devices have emerged in the last five years, but they are typically enclosed in a rigid ceramic package and have a characteristic size of centimetres. In this talk, we will introduce a next-generation minimally invasive ICP monitoring device, which integrates all measurement functions on a single chip occupying only 2.6X2.22X0.5mm and consuming less than 100nW. The chip is manufactured in an advanced CMOS+MEMS process, that allows integration of the pressure transducer in close proximity to the electronics. We will discuss the design methodology and simulated results for a device, as well as our plans for in-vivo characterisation. Bio: Simone Gambini is a lecturer in the department of Electrical and Electronic Engineering of the University of Melbourne. Prior to moving to Australia, he received his Ph.D. in Electrical Engineering from U.C. Berkeley in 2009, and worked as a senior RF design engineer at fabless semiconductor company Telegent Systems in 2010, and as a postdoctoral researcher at the Berkeley Sensor and Actuator Center in 2011-2012. Simone is an associate editor for the IEEE Transactions on Biomedical Circuits and Systems (BIOCAS), a TPC member for the IEEE European Solid-State Circuits Conference, and a frequent reviewer for the IEEE Journal of Solid-State Circuits. His research interest lies in employing low-power electronic design techniques to realise micro-systems that can sense and respond to the environment in an intelligent way, helping improve quality of life for healthy and diseased subjects.
Posted on: Mon, 31 Mar 2014 00:17:50 +0000