Size of chest piece cover of stethoscopes: D1 (adult) 47MM, D2 (children) 38MM; Height of chest piece: H 31MM; Length of ear piece plus rubber tube: L 650MM. Patented designs of vibrating diaphragm and sound-collecting cavity (patent number: 200520122864. 7 and 200520122862. 8) feature the most valuable effect. When performing auscultation for patients, doctors can get and compare two different sound of high and low tune with the same chest piece cover simply by adjusting the force on the stethoscope so as to obtain more efficient diagnostic basis. This stethoscope uses 180 degree revolving axle to change different sides. This design makes the auscultation more precision and flexible. Besides the distance between the axle and the head is no more than 0. 05mm which avoids the leakage of sound wave. Trademark: kaishun Model NO.: KS-500A Company: Wuxi Kaishun Medical Appliance Factory
