Jean-Pierre PERRET,Filadelfio MARLETTA,Jan VAN AAKEN,Kun LIU
申请号：
US15857941
公开号：
US20180296246A1
申请日:
2016.05.13
申请国别(地区):
US
年份:
2018
代理人:
摘要：
Pair of dynamic external fixation devices (100) for the reduction of fractures of bone fragments, said devices (100) being arranged on either side of a first bone portion traversed by a first pin (10) in a proximal position and a second bone portion traversed by a second pin (11) in distal position, while each of the dynamic external fixation devices (100) includes a first body (1) having a longitudinal axis profile (X, X′), having a proximal bore (5) passing through an axis (Y, Y′) in combination with the first pin (10), said first body (1) being embedded in a first coil spring (8), while said first spring (8) is nested in a second coil spring (12), mounted in conjunction with a second body mounted in conjunction on said first body (1), while the second body is mounted in conjunction with the second pin (11).
