A 3D localization system using magnetic field gradients that can replace X-Ray fluoroscopy in high precision surgery has been developed by our team. Monotonically varying magnetic fields encode spatial points uniquely in the field-of-view and are sensed by miniaturized devices with wireless power and data telemetry. Relative device locations are displayed in real-time. A prototype system consisting of a 65nm CMOS chip and gradient coils achieves a localization error of <100µm in 3D when tested in-vitro.
About Arian Hashemi
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Entries by Arian Hashemi
Read about our wireless sensor for monitoring the eyes of patients with glaucoma, a disease that causes gradual loss of vision, usually as a result of excessively high pressure inside the eye. Glaucoma is the second-most-common cause of blindness after cataracts, affecting 65 million people worldwide; Caltech Story.
The Heritage Medical Research Institute (HMRI), a nonprofit founded by physician and Caltech trustee Richard Merkin, has extended its partnership with Caltech for a minimum of three more years. Caltech News.