A wrap-around pre-heatable stethoscope

The present invention provides a wrap-around pre-heatable stethoscope, which solves the problem that the existing stethoscope will slide down at the cochlea during wearing, squeeze the external auditory canal and the hunger point, and cause ear pain.

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PDF
Published
24 November, 2023
Updated
24 November, 2023
MD5 checksum
7C6FF85883253F8BC6CC638BAA16F7D9
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A wrap-around pre-heatable stethoscope PDF
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