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四种股骨转子间骨折内固定物的力学对比及疗效评价 被引量:226

MechanicalStudyandClinicalEvaluationofFourKindsofInternalFixationDevicesinTreatmentofIntertrochantericFracturesoftheFemur
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摘要 作者对Richards钉(滑动加压螺纹钉)、Jewett钉、斯氏针和麦氏鹅头钉进行了力学测试,结果经方差分析显示,Jewet钉的强度最大,Richards钉次之,麦氏鹅头钉最弱(P值<0.001)。同时发现Richards钉的抗旋转强度仅3.3kg·m。临床资料显示,Richards钉疗效最佳,而麦氏鹅头钉,Jewet钉和斯氏针欠理想。作者认为,Richards钉有动力性和静力性加压作用,它结构牢固,固定效果可靠,患者可早期下地活动,是当今治疗股骨转子间骨折比较理想的内固定物。其不足之处是无有效的抗旋转作用。Jewett钉和麦氏鹅头钉的结构不够合理,并发症较多。虽然斯氏针的强度不足,但其手术创伤小,故对不能耐受大手术的患者可以考虑使用。 TheauthorshadperformedstaticloadtestsofRichardsscrew,Steinmannpins,Jewettnail,andMcLaughlinnail;theanalysisofvariancerevealedthattheJewetnailwasthestrongest,theRichardsscrewsecondandtheMcLaughlinnailwasweakest(P<0.001).Itisalsofoundthatthestrenghofanti-rotationoftheRichardsscrewwas3.3kg·m.ClinicalreviewdemonstratedthattheRichardsscrewwasthebestchoicefortreatmentofintertrochantericfractureofthefemur;theefectsoftheMcLaughlinnail,JewettnailandtheSteinmannpinswerenotsatisfactory.Theauthorsbelievedthat,thereisastaticanddynamiccompressionintheRichardsscrewanditsmechanicstrengthwasgreatenoughforpatienttowalkearly,howevertheinsuficientstrenghofanti-rotationofthisdevicewasitsweakness.ThedesignoftheJewettnailandtheMcLaughlinnailwasunreasonableandthecomplicationswereapttooccur.TheauthorssuggestthatalthoughtheSteinmannpinswerenotstrongenough,itshouldbeusedinthosepatientswhoarenotabletosustainamajorsurgicalprocedure.
出处 《中华骨科杂志》 CAS CSCD 北大核心 1996年第4期229-232,共4页 Chinese Journal of Orthopaedics
基金 江苏省科学技术委员会和卫生厅基金
关键词 股骨 转子 骨折 RICHARDS钉 斯氏针 内固定 IntertrochantericfractureoffemurRichardsscrewSteinmannpinsJewetnailMcLaughlinnail
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参考文献4

  • 1王福权,骨与关节损伤杂志,1995年,10卷,12页
  • 2王金河,中华骨科杂志,1994年,14卷,778页
  • 3胥少汀,中华外科杂志,1991年,29卷,251页
  • 4王福权,中华骨科杂志,1990年,10卷,165页

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