发明名称 Dental throat shield
摘要 A dental throat shield includes a U-shaped support member having a pair of legs interconnected by a bight portion. A shield member is bowed or arcuate and made of a shape retaining yet flexible material so as to conform to and cover the throat area. A plurality of openings are provided in the shield member to permit the patient to breathe.
申请公布号 US4889491(A) 申请公布日期 1989.12.26
申请号 US19880196533 申请日期 1988.05.20
申请人 KRYGIER, S. JAMES;DEMAYO, ALEXANDER 发明人 KRYGIER, S. JAMES;DEMAYO, ALEXANDER
分类号 A61C5/14 主分类号 A61C5/14
代理机构 代理人
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