Design of a positioning system for a holographic otoscope

I. Dobrev; J. M. Flores Moreno; C. Furlong; E. J. Harrington; J. J. Rosowski; C. Scarpino

doi:10.1117/12.862354

2 August 2010 Design of a positioning system for a holographic otoscope

I. Dobrev, J. M. Flores Moreno, C. Furlong, E. J. Harrington, J. J. Rosowski, C. Scarpino

Proceedings Volume 7791, Interferometry XV: Applications; 77910D (2010) https://doi.org/10.1117/12.862354
Event: SPIE Optical Engineering + Applications, 2010, San Diego, California, United States

Abstract

Current ear examination procedures provide mostly qualitative information which results in insufficient or erroneous description of the patient's hearing. Much more quantitative and accurate results can be achieved with a holographic otoscope system currently under development. Various ways of accurate positioning and stabilization of the system in real-life conditions are being investigated by this project in an attempt to bring this new technology to the hospitals and clinics, in order to improve the quality of the treatments and operations of the human ear. The project is focused at developing a mechatronic system capable of positioning the holographic otoscope to the patient's ear and maintaining its relative orientation during the examination. The system will be able to be guided by the examiner, but it will maintain the chosen position automatically. To achieve that, various trajectories are being measured for existing otoscopes being guided by doctors in real medical conditions. Based on that, various kinematic configurations are to be synthesized and their stability and accuracy will be simulated and optimized with FEA. For simplification, the mechanism will contain no actuators, but only adjustable friction elements in a haptic feedback control system. This renders the positioning system safe and easily applicable to current examination rooms. Other means of stabilization of the system are being investigated such as custom designed packaging of all of the otoscope subsystems, interferometrically compensating for the heartbeat induced vibration of the tympanic membrane as well as methods for monitoring and active response to the motion of the patient's head.

Citation Download Citation

I. Dobrev, J. M. Flores Moreno, C. Furlong, E. J. Harrington, J. J. Rosowski, and C. Scarpino "Design of a positioning system for a holographic otoscope", Proc. SPIE 7791, Interferometry XV: Applications, 77910D (2 August 2010); https://doi.org/10.1117/12.862354

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