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A lung ultrasound surface wave elastography (LUSWE) technique is developed to measure superficial lung tissue elastic properties. The purpose of this paper was to translate LUSWE into clinical studies for assessing patients with interstitial lung disease (ILD) and present the pilot data from lung measurements on 10 healthy subjects and 10 patients with ILD. ILD includes multiple lung disorders in...
The purpose of this paper was to demonstrate a noninvasive technique to measure elastic properties of human eyes using ultrasound surface wave elastography (USWE) technique. Twenty eyes of 10 healthy subjects (age 44–63; mean 51 years) were studied. A localized harmonic vibration for 0.1 second at 100 Hz was generated by using a spherically-tipped vibrator (3 mm diameter) placed on the closed eyelid...
Mechanical properties of lung are closely related to lung diseases. However, currently there are no noninvasive methods that can measure the local lung tissue mechanical properties. In this paper, a technique that involves tracking the surface wave propagation and using ultrasound images to guide the measurements is introduced. The proposed method is tested on a human subject at both functional residual...
Surface wave speed is measured in a two-layer gelatin phantom in water on three different surfaces with a scanning ultrasound transducer. The gelatin concentrations of the two layers of the phantom are 15% and 10% and the three surfaces are the two outside surfaces of the 15% and 10% layers and the interface between the two. The speed measured on the outside surface of the 15% layer is faster than...
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