摘要
旨在探讨Gamma钉的改进和临床应用情况。作者在尸体股骨标本和髓腔石蜡铸型标本上进行了股骨上段的解剖测量。在此基础上对Gamma钉进行了改进:(1)将其粗端17mm改为14mm,细端13mm改为10mm,两者间的角度由11度改为5~6度;(2)改良型的加压螺钉具有自攻加压作用;(3)研制出加长型Gamma钉。临床应用31例,其中28例平均随访20个月,骨折愈合优良率为93%,不扶拐行走优良率为86%,髋关节活动优良率为82%,术后平均9~11天下地活动。作者认为Gamma钉对I、II型粗隆间骨折更适用。
WeretrospectivelystudiedtheclinicalapplicationofmodifiedGammanail(GN).Basedonthemeasurementofintramedularycanalofthefemurbywaxmodel.WemodifiedGNinthefolow-ingaspects:thediameterofGNwaschangedfrom17mmto14mmintheproximalendandfrom13mmto10mminthedistalendandtheanglebetweenthetwoendswasalsomodifiedfrom11to5~6;themodifiedcompressionscrewsrepresentedself-compressionproperty;thelongerGNwasdesignedanddeveloped.WeappliedGNin31cases,and28withanaveragepostoperativedurationof20monthswerefolowedup.Thefinalresultsrevealedthatthefracturehealingratewas93%.Nocrutchambulancereached86%andexcelenthipmovementreached82%.Thepartialorcompleteweightbearingwasal-lowed9~11dayspostoperatively.WeconsiderGNaneffectivemeansforthetreatmentoftypeIIandtypeIIofintertrochantericfractureofthefemur.
出处
《中华外科杂志》
CAS
CSCD
北大核心
1996年第9期556-559,共4页
Chinese Journal of Surgery