Drawtex® Nonadherent Dressing, 4 x 39 Inch, 1 Roll Aprons Bibs U 20 PORTABLE ULTRASOUND * The Otoscope Accessory U 20 PORTABLE ULTRASOUND * The U 20 Portable Ultrasound provides therapeutic ultrasound in an economical package * Soundhead Features and Options All Amrex ultrasound transducers are lightweight ergonomically designed and sealed for underwater therapy * Amrex offers two soundhead faceplate sizes: the standard 2 The Baseline© Electronic Pinch Gauge performs tip key and palmar tests * Strength readings are displayed on an easy to read LCD screen * Record readings in lbs or kgs with a maximum capacity of 50lbs (23kg) * The Electronic Pinch Gauge can store up to 99 readings necrotic tissue and bacteria such as slough