发明名称 Single-hand-operated evacuation tool for dental use
摘要 The present invention concerns a single-hand-operated evacuation tool for dental use, in particular for the removal of amalgam and drilling remnants, water, saliva and blood, etc. when carrying out work in the mouth. The invention is characterized in that a collar or rim 4 of essentially even thickness/width extends from the bottom of, and encloses, the angled opening. <IMAGE>
申请公布号 SE461828(B) 申请公布日期 1990.04.02
申请号 SE19870004376 申请日期 1987.11.09
申请人 THOMAS MAEHL 发明人 THOMAS MAEHL
分类号 A61C17/06 主分类号 A61C17/06
代理机构 代理人
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