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发明名称
人工股骨头的防松动装置
摘要
本实用新型提供了一种人工股骨头置换术后防止人工股骨头松动的新装置,此装置的特点是在人工股骨头的柄上装一弹性片。当人工股骨头置入股骨髓腔后,由于弹性片向外的弹力使弹性片与人工股骨头柄部周围骨质紧贴,如人工股骨头柄干有回松时,人工股骨头柄部周围骨质对弹性片顶端有一阻力,其阻力沿弹性片至人工股骨头柄干,可防止人工股骨头松动。
申请公布号
CN2071508U
申请公布日期
1991.02.20
申请号
CN90200233.3
申请日期
1990.01.08
申请人
符孔龙
发明人
符孔龙
分类号
A61F2/36
主分类号
A61F2/36
代理机构
代理人
主权项
1、一个由人工股骨头柄部[1],弹性片固定孔[2],弹性片[8],弹性片固定柄[10]、[12],弹簧[9],弹簧固定孔[3]组成的防止柄部[1]松动装置,特征是弹性片[8]通过弹性片固定柄[10]、[12]与弹性片固定孔[2]相连结,弹性片[8]顶部向上,弹簧固定孔[3]内装入弹簧[9]。
地址
450002河南省郑州市第五人民医院外科
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