发明名称 EAR CANAL SEALING STETHOSCOPE EAR TIPS
摘要 <p>An ear tip is adapted to deliver sound to an ear canal. The ear tip includes a first section, a second section and a third section. The first section is connectable to a sound-transmitting device. The second section has a first end, a second end and walls defining a bulbous section. The first end is connected to and in open communication with the first section. The second end is connected to and in open communication with the third section. The third section includes walls defining a flume and an outlet port adapted for open communication with the ear canal. The outlet port has a maximum outer diameter of about 11 millimeters. In a relaxed state, a ratio of a maximum outer diameter of the second section to a maximum diameter of the third section is between about 1.25 and about 2.5.</p>
申请公布号 WO2015094855(A1) 申请公布日期 2015.06.25
申请号 WO2014US69542 申请日期 2014.12.10
申请人 3M INNOVATIVE PROPERTIES COMPANY 发明人 ROGERS, DANIEL J.
分类号 H04R1/10;A61B7/02 主分类号 H04R1/10
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