发明公开
- 专利标题： Oral evacuation device
- 专利标题（中）： 口腔吸痰。
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申请号： EP80303248.1申请日： 1980-09-15
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公开(公告)号： EP0026992A1公开(公告)日： 1981-04-15
- 发明人: Erickson, Norman R
- 申请人： Erickson, Norman R
- 申请人地址： 1215 Felicita Lane Escondido California 92025 US
- 专利权人： Erickson, Norman R
- 当前专利权人： Erickson, Norman R
- 当前专利权人地址： 1215 Felicita Lane Escondido California 92025 US
- 代理机构： Williams, John Francis
- 优先权： US75827 19790914
- 主分类号： A61C17/04
- IPC分类号： A61C17/04
摘要：
A dental appliance for evacuating debris and liquid from the mouth during dental operations comprising a collector member (10) having a semi-rigid bite block portion (47) and a combination tongue guard and a collector membrane holder (49) connected to the bite block portion (47) and carrying a flexible collector membrane (24) detachably secured to the bite block portion (47). the collector membrane (24) in use engaging the tissues of the mouth so as to separate the mouth into two compartments. a forward compartment for working in and a rear compartment.
公开/授权文献
- EP0026992B1 Oral evacuation device 公开/授权日：1984-05-16
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