a new stethoscope design with unique characteristics and development in medical device

As regards the significant role of stethoscopes in the diagnosis of congenital and adventitious heart diseases and prevention of irreparable complications of these diseases, the quality of hearing sound of these stethoscopes by a physician has a significant impact on the disease diagnosis. this device plays an important role in the early diagnosis of congenital heart and respiratory diseases and provides this feasibility since birth. also, the importance of this device performance in the diagnosis of heart, cardiovascular and respiratory diseases at different age periods is not a secret. this new invented device, in comparison to a variety of available stethoscopes in the field of diagnosis, is capable of hearing the sound of a very high quality and cancelling the noise of sound that sometimes leads to wrong diagnosis or misdiagnosis. this new invented stethoscope is approved by cardiologists, lung and infectious disease specialists as well as being registered under no. 78382 in patent islamic republic of iran.