| 摘要 |
To provide a stethoscope provided with two head portions for fitting two diaphragms different in caliber on a head main portion, having design properties and function properties. A stethoscope head comprising a head main portion and a conduit connecting portion provided on the head main portion, wherein said main portion comprises a main head portion and a sub-head portion from a transparent or semitransparent element formed in the opposite direction each other with the pipe connecting port put therebetween; the main portion comprises a transparent or semitransparent main diaphragm connected to the conduit connecting port, and the sub-head portion is provided with spaces for receiving the sub-diaphragm for high frequency and or narrow area stethoscope or various functions, and is provided with mounting means for mounting the sub-diaphragm or the apparatus on the sub-head portion.
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