Stainless Steel Diechoscopic Cardiology Stethoscope( with one-sided Diaphragm) This stethoscope uses 180° revolving axle to change the auscnltatire side. This axle can help to find the orientation exactly. Besides, the tolerarce between the axle and the internal hole of scope is only 0.05mm which in the promise to aviod the leakage of sound wave Patented designeds of vibrating diaphragm and sound- collectng cavity feature the most valuable effect in that 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 in the stethoscope so as to obtain more efficient diagnostic basis
