CN2337970Y - 股骨交锁髓内钉 - Google Patents

股骨交锁髓内钉 Download PDF

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Publication number
CN2337970Y
CN2337970Y CN 98227078 CN98227078U CN2337970Y CN 2337970 Y CN2337970 Y CN 2337970Y CN 98227078 CN98227078 CN 98227078 CN 98227078 U CN98227078 U CN 98227078U CN 2337970 Y CN2337970 Y CN 2337970Y
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China
Prior art keywords
intramedullary nail
hollow pipe
epimere
interlocking intramedullary
femoral interlocking
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Expired - Fee Related
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CN 98227078
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任和平
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THIRD MEDICAL APPARATUS AND ISTRUMENTS FACTORY WUJIN
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THIRD MEDICAL APPARATUS AND ISTRUMENTS FACTORY WUJIN
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Abstract

一种股骨交锁髓内钉,是一根空心管(1),空心管(1)有锁钉孔(16),空心管(1)是弯折形,下段(11)与上段(12)管身之间有夹角α,上,下二段之间是一个过渡弧段(17),由于上段与下段的α角,适合人体股骨形态,医疗中有效方便,省去扩大股骨髓内腔的工艺,使病人少受痛苦,提高医疗效果。

Description

股骨交锁髓内钉
本实用新型涉及一种股骨交锁髓内钉,用于骨科医疗中作医疗器件。
传统骨科医疗中的股骨髓内钉,有直形与弧形二种,由于人体股骨呈不规则弯曲,直形与弧形在临床上均有不足的一面,弧形不易对准交锁,直形要扩大股骨髓腔。
本实用新型是针对人体股骨呈不规则弯曲的特征,提出一种适合该特征的新型股骨交锁髓内钉,适合于人体骨科医疗实践。
本实用新型的技术方案是:一种股骨交锁髓内钉,是一根空心管,空心管有锁钉孔,空心管是弯折形,下段与上段管身之间有夹角α,上,下二段之间是一个过渡弧段。
由于上段与下段有交角α,加上中间过渡弧段,适合人体股骨形状,完成发明任务。
图1是股骨交锁髓内钉的实施例。
图2是图1的局部剖面的仰视图。
以下结合附图详细叙述本实用新型。
一种股骨交锁髓内钉,是一根空心管(1),空心管(1)有锁钉孔(16),空心管(1)是二段弯折形,下段(11)与上段(12)管身之间有夹角α,上、下二段之间是一个过渡弧段(17)。
上段(12)的直径D1大于下段(11)及过渡弧段(17)的直径D2,大小直径D1、D2之间有过渡部(121),过渡部(121)是圆锥形。
上段(12)的端头部(13)有定位凹坑(131)或可定位凸缘。
上段(12)孔口内有内螺纹(15)。
股骨交锁髓内钉上下二段之间的夹角有关系:3°≤α≤8°。
股骨交锁髓内钉的外表面,有三个周向等分的纵向凹槽(14)。过渡弧段(17)的圆弧半径可以是1800~230毫米。
由于上段与下段之间的α角及过渡弧段,适合人体股骨形态,医疗中有效、方便,省去扩大骨髓内腔的工艺,使病人少受痛苦,提高医疗效果。

Claims (6)

1、一种股骨交锁髓内钉,是一根空心管(1),空心管(1)有锁钉孔(16),其特征是空心管(1)是弯折形,下段(11)与上段(12)管身之间有夹角α,上,下二段之间是一个过渡弧段(17)。
2、由权利要求1所述的股骨交锁髓内钉,其特征是上段(12)的直径D1大于下段(11)及过渡弧段(17)的直径D2,大小直径D1、D2之间有过渡部(121),过渡部(121)是圆锥形。
3、由权利要求1所述的股骨交锁髓内钉,其特征是上段(12)的端头部(13)有定位凹坑(131)或可定位凸缘。
4、由权利要求2所述股骨交锁髓内钉,其特征是上段(12)孔口内有内螺纹(15)。
5、由权利要求1所述的股骨交锁髓内钉,其特征是夹角3°≤α≤8°。
6、由权利要求1所述的股骨交锁髓内钉,其特征是空心管(1)的外表面,有三个周向等分的纵向凹槽(14)。
CN 98227078 1998-06-12 1998-06-12 股骨交锁髓内钉 Expired - Fee Related CN2337970Y (zh)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 98227078 CN2337970Y (zh) 1998-06-12 1998-06-12 股骨交锁髓内钉

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 98227078 CN2337970Y (zh) 1998-06-12 1998-06-12 股骨交锁髓内钉

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CN2337970Y true CN2337970Y (zh) 1999-09-15

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CN 98227078 Expired - Fee Related CN2337970Y (zh) 1998-06-12 1998-06-12 股骨交锁髓内钉

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100423700C (zh) * 2003-10-21 2008-10-08 斯恩蒂斯有限公司 髓内钉
CN100534399C (zh) * 2004-12-31 2009-09-02 斯恩蒂斯有限公司 髓内钉
CN108542485A (zh) * 2018-02-13 2018-09-18 苏州爱得科技发展股份有限公司 一种股骨髓内钉

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100423700C (zh) * 2003-10-21 2008-10-08 斯恩蒂斯有限公司 髓内钉
CN100534399C (zh) * 2004-12-31 2009-09-02 斯恩蒂斯有限公司 髓内钉
CN108542485A (zh) * 2018-02-13 2018-09-18 苏州爱得科技发展股份有限公司 一种股骨髓内钉

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