发明公开
- 专利标题： DENTAL RETRACTION DEVICE AND PROCESS OF ITS PRODUCTION
- 专利标题（中）： 牙科拔除装置及其生产过程
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申请号： EP09792985.5申请日： 2009-09-25
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公开(公告)号： EP2349066A1公开(公告)日： 2011-08-03
- 发明人: MAURER, Andreas, R. , GRüTZ, Rudi , KLETTKE, Thomas , PEEZ, Robert F. , HAMPE, Rüdiger , SCHULTE, Christoph
- 申请人： 3M Innovative Properties Company
- 申请人地址： 3M Center Post Office Box 33427 Saint Paul, MN 55133-3427 US
- 专利权人： 3M Innovative Properties Company
- 当前专利权人： 3M Innovative Properties Company
- 当前专利权人地址： 3M Center Post Office Box 33427 Saint Paul, MN 55133-3427 US
- 代理机构： Brem, Roland
- 优先权： EP08165678 20081002
- 国际公布： WO2010039589 20100408
- 主分类号： A61C9/00
- IPC分类号： A61C9/00
摘要：
The invention relates to dental retraction device having the shape of a yarn comprising twisted staple fibers, the twisted staple fibers comprising an alginate containing component, wherein the length of the staple fibers is in a range of about 10 to about 200 mm and/or wherein the staple fiber fineness is at least about 1 dtex. The invention also relates to a method for producing such a device as well as the use of this device in a process for retracting dental tissue.
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