Temporal-bone (TB) experiments are useful for the investigation of middle-ear and inner-ear transfer properties. and the analysis and development of active or passive middleear prostheses or related devices. To acquire the mechanical middle-ear (ME) response. the Laser-Doppler vibrometry (LDV) is utilized as a preferred method. https://www.roneverhart.com/Mabis-Dmi-Healthcare-3-In-1-All-Purpose-Commode-by-Briggs-Healthcare/