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Improved control over implant anchorage under the use of the femoral neck system for fixation of femoral neck fractures: a technical note

Authors
Cha, Y | Song, JU | Yoo, JI | Park, KH | Kim, JT  | Park, CH | Choy, WS
Citation
BMC musculoskeletal disorders, 22(1). : 621-621, 2021
Journal Title
BMC musculoskeletal disorders
ISSN
1471-2474
Abstract
Background: The depth of bolt in Femoral neck system (FNS, DePuy Synthes, Oberdorf, Switzerland) is difficult to finely control as the length of the bolt is in units of 5 mm. Thus, this study introduces a method to control the depth of FNS bolt in analogue scale in patients with femoral neck fracture. Methods: By the technique of control of reaming and retraction of bolt, the tip of implant could be positioned close to subchondral bone without harming it. The position of implant tip in four cases in which the introduced technique was applied was compared to that of eight cases where the standard technique was performed. Results: The average tip-apex distance measured in the cases that underwent surgery using the suggested technique in this study was statistically significantly shorter than that measured in the cases that underwent surgery under manufacturer guidelines. Conclusion: Even though the bolt of FNS is manufactured in the unit of 5 mm, the technique proposed in this study helps surgeons to adjust the depth of bolt for the fixation of femoral neck fracture using FNS.
Keywords

MeSH

DOI
10.1186/s12891-021-04497-x
PMID
34256741
Appears in Collections:
Journal Papers > School of Medicine / Graduate School of Medicine > Orthopedic Surgery
Ajou Authors
김, 정택
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