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Nickel-titanium Shape-memory Sawtooth-arm Embracing Fixator for Periprosthetic Femoral Fractures

Overview
Journal Int Orthop
Specialty Orthopedics
Date 2011 Aug 2
PMID 21805070
Citations 10
Authors
Affiliations
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Abstract

Purpose: We reviewed data to determine outcomes for 21 consecutive Vancouver type B1 or type C periprosthetic fractures that we treated between 2001 and 2008 using a nickel-titanium shape-memory sawtooth-arm embracing fixator.

Methods: The study participants were 12 men and 9 women (mean age, 70.8 years; range, 42-85 years). The average duration of follow-up monitoring was 39.7 months (range, 1-78 months). In five cases, cables and screws were used for further stabilisation. No bone grafting was performed for any of the patients.

Results: Results were satisfactory, except for one patient who died one month after surgery from a cause unrelated to arthroplasty. Bone union was achieved in the remaining 20 cases within an average of 5.25 months. No implant failures or malunions occurred in any of the patients. The average Harris hip score at the final follow-up examination was 79.3 points.

Conclusions: Our results show that the embracing fixator is a valid alternative treatment for Vancouver type B1 or type C periprosthetic femoral fractures.

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Unstable Vancouver B1 periprosthetic femoral fracture fixation: A biomechanical comparison between a novel C-shaped memory alloy implant and cerclage wiring.

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Shape-memory sawtooth-arm embracing clamp used in complex femoral revision hip arthroplasty for stem stability: average 9-year follow-up study.

Hu Y, Xu Z, Qiao H, Kong K, Li H, Zhang J BMC Musculoskelet Disord. 2023; 24(1):970.

PMID: 38102625 PMC: 10722768. DOI: 10.1186/s12891-023-07080-8.


[Effectiveness of shape memory alloy embracing device in treatment of Vancouver B2 periprosthetic femoral fracture].

Li Y, Chen Y, Kong N, Tian R, Wang K, Yang P Zhongguo Xiu Fu Chong Jian Wai Ke Za Zhi. 2022; 36(10):1244-1248.

PMID: 36310461 PMC: 9626263. DOI: 10.7507/1002-1892.202204128.


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