发明名称 Orthodontic archwire
摘要 An article of manufacture for use in orthodontic procedures, comprising an extruded plastic rod reinforced with a stainless steel wire core. The article is found to exhibit substantially greater flexibility and resiliency than a stainless steel wire of the same outside dimension.
申请公布号 US4659310(A) 申请公布日期 1987.04.21
申请号 US19850797443 申请日期 1985.11.13
申请人 KOTTEMANN, WILLIAM J. 发明人 KOTTEMANN, WILLIAM J.
分类号 A61C7/20;(IPC1-7):A61C3/00 主分类号 A61C7/20
代理机构 代理人
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