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<p>There are many types of stethoscopes, the difference between different types of stethoscopes when listening to normal audio is not obvious, but when listening to murmurs, there is a world of difference. In general, the higher the quality of the stethoscope, the stronger the ability to distinguish noise, and the longer it will be used. When you choose to buy a stethoscope, you may feel very confused, and I don't know where to start. Today, Honde will tell you how to choose a<a href="https://www.hondemedical.com/stethoscope" rel="noopener noreferrer" target="_blank"> medical stethoscope</a>.</p><p><br></p><p>1. Difference in folding effect</p><p>Generally speaking, the larger and heavier the stethoscope, the better the sound pickup effect; on the contrary, the smaller and lighter the lighter, the easier it is to carry. The dazzling new stethoscope is designed to solve this contradiction.</p><p><br></p><p>2. Fold auscultation size</p><p>The larger the auscultation head-body contact surface, the better the sound effect picked up. However, the surface of the human body has curvature. If the chest piece is too large, the ear cannot fully contact the human body. The sound not only cannot be picked up well, but also leaks out from the gap. Therefore, the size of the auscultation head should be based on clinical needs. At present, the diameter of stethoscope chest pieces is almost uniformly between 45-50 mm, and the diameter of special chest pieces such as pediatrics is generally 30 mm, and that of newborns is 18 mm.</p><p><br></p><p>3. Material for folding auscultation</p><p>The material plays an important role in the sound effect. The sound is transmitted through the air or matter, and finally converted into heat energy and disappears. The transmission of sound waves has almost no attenuation in heavy metals, and attenuation in lighter metals or plastics is prone to occur. Therefore, high-grade stethoscopes must use heavy metals such as stainless steel or titanium.</p><p><br></p><p>4. Fold the conductive part</p><p>The sound pipe is also very important. The larger the inner diameter of the pipeline, the shorter the length, and the thicker the wall, the better the stethoscope. The international standard length is 27 inches.</p><p><br></p><p><br></p>
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