发明公开
EP2809257A1 REAMER WITH AN IMPROVED BLADE FOR ROOT CANAL PREPARATION
审中-公开
瑞典麻省理工学院吉隆坡祖尔州WURZELKANALVORBEREITUNG
- 专利标题： REAMER WITH AN IMPROVED BLADE FOR ROOT CANAL PREPARATION
- 专利标题（中）： 瑞典麻省理工学院吉隆坡祖尔州WURZELKANALVORBEREITUNG
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申请号： EP12707132.2申请日： 2012-01-30
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公开(公告)号： EP2809257A1公开(公告)日： 2014-12-10
- 发明人: MALAGNINO, Vito Antonio
- 申请人： Sweden & Martina S.p.A.
- 申请人地址： Via Veneto 10 35020 Due Carrare (PD) IT
- 专利权人： Sweden & Martina S.p.A.
- 当前专利权人： Sweden & Martina S.p.A.
- 当前专利权人地址： Via Veneto 10 35020 Due Carrare (PD) IT
- 代理机构： Vinci, Marcello
- 国际公布： WO2013114154 20130808
- 主分类号： A61C5/02
- IPC分类号： A61C5/02
摘要：
The invention is a reamer ( 1 ) with an improved blade for use in root canal preparation, said blade being spiral - shaped with a pitch increasing towards the tip ( 2 ), and with a cutting or non-cutting tip. At given points along the length of the spiral of the blade, there is a plurality of gaps ( 8 ), the spiral starting again beyond the gaps, wherein the portion where the spiral is interrupted has either constant or decreasing cross section linking the two diameters before and after the gap.
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