发明名称 Stethoscope with removable insert
摘要 A stethoscope including a bell and a removable insert therefore to better accomodate dimunitive skin areas. The insert is made of a resilient and deformable material. The insert snaps into the bell to releasably lock the insert into the bell. The insert reduces the opening to and the volume of the bell.
申请公布号 US4502562(A) 申请公布日期 1985.03.05
申请号 US19830479158 申请日期 1983.03.28
申请人 MINNESOTA MINING AND MANUFACTURING COMPANY 发明人 NELSON, CARL T.
分类号 A61B7/02;H04R1/46;(IPC1-7):A61B7/02 主分类号 A61B7/02
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