The stethoscope is the most common diagnostic tool used by internal and external gynaecologists and paediatricians, and is also the doctor's calling card. The stethoscope has been used in clinical practice since 8 March 1817 and its shape and the way it transmits sound have been constantly improved, but its basic structure has remained essentially unchanged, consisting mainly of a receiving part (chest piece), a conducting part (rubber tube) and an auditory part (ear piece). China Headphone manufacturer ...
coThe stethoscope is the most common diagnostic tool used by internal and external gynaecologists and paediatricians, and is also the doctor's calling card. The stethoscope has been used in clinical practice since 8 March 1817 and its shape and the way it transmits sound have been constantly improved, but its basic structure has remained essentially unchanged, consisting mainly of a receiving part (chest piece), a conducting part (rubber tube) and an auditory part (ear piece). China Headphone manufacturer ...
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