发明名称 EAR MOLD INJECTION MEANS
摘要 <p>An ear mold injection dispenser for dispensing impression material into an ear canal and a cavity of the ear. The dispenser includes a tubular body having a valve. The impression material is mixed inside the tubular body. A plunger is inserted into the tubular body and the valve is open. The plunger pushes the material through the valve into a funnel which is inserted into the ear. The funnel is detachable from the tubular body so that the correct size of funnel can be selected for inserting inside the ear canal.</p>
申请公布号 CA1050374(A) 申请公布日期 1979.03.13
申请号 CA19760260107 申请日期 1976.08.30
申请人 MID-STATES LABORATORIES, INC. 发明人 NELSON, EUGENE A.;RICE, WOODROW R.
分类号 A61F11/00;A61M3/00;(IPC1-7):61M31/00 主分类号 A61F11/00
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