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J R Soc Med. 1983 August; 76(8): 643–648.
PMCID: PMC1439299

Femoral neck fracture fixation: rigidity of five techniques compared.


Artificial cadaveric femoral neck fractures were internally fixed with five different devices and subjected to cyclical loading of 0-1.0 kilonewtons (approximately one body weight) whilst in an anatomical position. Displacement of the proximal fragment was detected by a transducer and charted. Bone strength was assessed by a preliminary control loading phase on the intact bone. Efficiency of each fracture fixator could then be directly compared by the relative movement in each case. Five specimens each were tested with Moore's Pins, Trifin Nail, Garden Screws and a sliding screw-plate (OEC Ltd). By the criteria of the experiment, which put a severe shearing load on the implant, none of these devices reliably bore the representative body weight. An extended barrel-plate, which supported the sliding screw almost up to the fracture line, was then made. This device, employing some of Charnley's concepts, tolerated body weight in four cases out of five.

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Selected References

These references are in PubMed. This may not be the complete list of references from this article.
  • Bentley G. Treatment of nondisplaced fractures of the femoral neck. Clin Orthop Relat Res. 1980 Oct;(152):93–101. [PubMed]
  • CHARNLEY J, BLOCKEY NJ, PURSER DW. The treatment of displaced fractures of the neck of the femur by compression. J Bone Joint Surg Br. 1957 Feb;39-B(1):45–65. [PubMed]
  • Kofoed H. Femoral neck fractures in young adults. Injury. 1982 Sep;14(2):146–150. [PubMed]
  • Kyle RF, Wright TM, Burstein AH. Biomechanical analysis of the sliding characteristics of compression hip screws. J Bone Joint Surg Am. 1980 Dec;62(8):1308–1314. [PubMed]
  • Outerbridge RE. Perosseous venography in the diagnosis of viability in subcapital fractures of the femur. Clin Orthop Relat Res. 1978 Nov-Dec;(137):132–139. [PubMed]
  • Sikorski JM, Barrington R. Internal fixation versus hemiarthroplasty for the displaced subcapital fracture of the femur. A prospective randomised study. J Bone Joint Surg Br. 1981;63-B(3):357–361. [PubMed]
  • SCHUMPELICK W, JANTZEN PM. A new principle in the operative treatment of trochanteric fractures of the femur. J Bone Joint Surg Am. 1955 Jul;37-A(4):693–698. [PubMed]

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