Related Experiment Video
Updated: Aug 8, 2026

07:06
Endaural Endoscopic Atticoantrotomy (Retrograde Mastoidectomy) using a Constant Suction Bone-drilling Technique
Published on: May 23, 2021
[SFON-01 Watchall stethophonendoscope]
Abstract:
The Watchall-type stethophonendoscope CphiOH-01 for auscultation of adult patients, which most completely meets the current medical requirements, has been recommended for medical practice.
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