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Biomechanical in vitro analysis of a novel flexible implant for pubic symphysis disruption using an ultra-high molecular weight polyethylene fiber cord

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Biomechanical in vitro analysis of a novel flexible implant for pubic symphysis disruption using an ultra-high molecular weight polyethylene fiber cord. / Hinz, Nico; Dehoust, Julius; Schroeter, Jörg; Schulz, Arndt-Peter; Hartel, Maximilian J.; Lutz, Christian; Frosch, Karl-Heinz; Wendlandt, Robert.

in: CLIN BIOMECH, Jahrgang 95, 105652, 05.2022.

Publikationen: SCORING: Beitrag in Fachzeitschrift/Zeitung › SCORING: Zeitschriftenaufsatz › Forschung › Begutachtung

Harvard

Hinz, N, Dehoust, J, Schroeter, J, Schulz, A-P, Hartel, MJ, Lutz, C, Frosch, K-H & Wendlandt, R 2022, 'Biomechanical in vitro analysis of a novel flexible implant for pubic symphysis disruption using an ultra-high molecular weight polyethylene fiber cord', CLIN BIOMECH, Jg. 95, 105652. https://doi.org/10.1016/j.clinbiomech.2022.105652

APA

Hinz, N., Dehoust, J., Schroeter, J., Schulz, A-P., Hartel, M. J., Lutz, C., Frosch, K-H., & Wendlandt, R. (2022). Biomechanical in vitro analysis of a novel flexible implant for pubic symphysis disruption using an ultra-high molecular weight polyethylene fiber cord. CLIN BIOMECH, 95, [105652]. https://doi.org/10.1016/j.clinbiomech.2022.105652

Vancouver

Hinz N, Dehoust J, Schroeter J, Schulz A-P, Hartel MJ, Lutz C et al. Biomechanical in vitro analysis of a novel flexible implant for pubic symphysis disruption using an ultra-high molecular weight polyethylene fiber cord. CLIN BIOMECH. 2022 Mai;95. 105652. https://doi.org/10.1016/j.clinbiomech.2022.105652

Bibtex

@article{4456410bd5724576b994360a99cf5725,
title = "Biomechanical in vitro analysis of a novel flexible implant for pubic symphysis disruption using an ultra-high molecular weight polyethylene fiber cord",
abstract = "BackgroundPlate osteosynthesis depicts the gold standard to surgically treat pubic symphysis disruptions. However, high rates of implant failure after plate osteosynthesis are reported, probably because of the iatrogenic arthrodesis of this fibrocartilaginous joint. Therefore, flexible implants for treatment of pubic symphysis disruptions appear to be a sensible solution.MethodsIn this biomechanical screening study, we designed and investigated a flexible implant, which consists of two plates connected with an ultra-high molecular weight polyethylene fiber cord. We mechanically tested eye splices as a possible fixation method of the cords by performing tensile load to failure tests. Afterwards, we developed a biomechanically appropriate plate design and cord routing between the plates. Finally, we biomechanically tested the flexible implant under tensile and shear loading until failure.FindingsWhen fixing a 1 mm ultra-high molecular weight polyethylene fiber cord with eye splices, a load at failure of 1570.74 N was detected under tensile loading. None of the eye splices failed but the cords itself ruptured. The load at failure of the designed cord routing in criss-cross technique and fixation within the plates amounts 4742.09 N under tensile and 2699.77 N under shear load.InterpretationWe developed a novel flexible implant for repair of pubic symphysis disruptions using ultra-high molecular weight polyethylene fiber cords connected to osteosynthesis plates. We identified eye splices as a mechanically optimal fixation method and proved that the ultra-high molecular weight polyethylene fiber cord routing and fixation of the flexible implant clearly withstands physiological forces acting on the pubic symphysis.",
author = "Nico Hinz and Julius Dehoust and J{\"o}rg Schroeter and Arndt-Peter Schulz and Hartel, {Maximilian J.} and Christian Lutz and Karl-Heinz Frosch and Robert Wendlandt",
year = "2022",
month = may,
doi = "10.1016/j.clinbiomech.2022.105652",
language = "English",
volume = "95",
journal = "CLIN BIOMECH",
issn = "0268-0033",
publisher = "Elsevier Limited",

}

RIS

TY - JOUR

T1 - Biomechanical in vitro analysis of a novel flexible implant for pubic symphysis disruption using an ultra-high molecular weight polyethylene fiber cord

AU - Hinz, Nico

AU - Dehoust, Julius

AU - Schroeter, Jörg

AU - Schulz, Arndt-Peter

AU - Hartel, Maximilian J.

AU - Lutz, Christian

AU - Frosch, Karl-Heinz

AU - Wendlandt, Robert

PY - 2022/5

Y1 - 2022/5

N2 - BackgroundPlate osteosynthesis depicts the gold standard to surgically treat pubic symphysis disruptions. However, high rates of implant failure after plate osteosynthesis are reported, probably because of the iatrogenic arthrodesis of this fibrocartilaginous joint. Therefore, flexible implants for treatment of pubic symphysis disruptions appear to be a sensible solution.MethodsIn this biomechanical screening study, we designed and investigated a flexible implant, which consists of two plates connected with an ultra-high molecular weight polyethylene fiber cord. We mechanically tested eye splices as a possible fixation method of the cords by performing tensile load to failure tests. Afterwards, we developed a biomechanically appropriate plate design and cord routing between the plates. Finally, we biomechanically tested the flexible implant under tensile and shear loading until failure.FindingsWhen fixing a 1 mm ultra-high molecular weight polyethylene fiber cord with eye splices, a load at failure of 1570.74 N was detected under tensile loading. None of the eye splices failed but the cords itself ruptured. The load at failure of the designed cord routing in criss-cross technique and fixation within the plates amounts 4742.09 N under tensile and 2699.77 N under shear load.InterpretationWe developed a novel flexible implant for repair of pubic symphysis disruptions using ultra-high molecular weight polyethylene fiber cords connected to osteosynthesis plates. We identified eye splices as a mechanically optimal fixation method and proved that the ultra-high molecular weight polyethylene fiber cord routing and fixation of the flexible implant clearly withstands physiological forces acting on the pubic symphysis.

AB - BackgroundPlate osteosynthesis depicts the gold standard to surgically treat pubic symphysis disruptions. However, high rates of implant failure after plate osteosynthesis are reported, probably because of the iatrogenic arthrodesis of this fibrocartilaginous joint. Therefore, flexible implants for treatment of pubic symphysis disruptions appear to be a sensible solution.MethodsIn this biomechanical screening study, we designed and investigated a flexible implant, which consists of two plates connected with an ultra-high molecular weight polyethylene fiber cord. We mechanically tested eye splices as a possible fixation method of the cords by performing tensile load to failure tests. Afterwards, we developed a biomechanically appropriate plate design and cord routing between the plates. Finally, we biomechanically tested the flexible implant under tensile and shear loading until failure.FindingsWhen fixing a 1 mm ultra-high molecular weight polyethylene fiber cord with eye splices, a load at failure of 1570.74 N was detected under tensile loading. None of the eye splices failed but the cords itself ruptured. The load at failure of the designed cord routing in criss-cross technique and fixation within the plates amounts 4742.09 N under tensile and 2699.77 N under shear load.InterpretationWe developed a novel flexible implant for repair of pubic symphysis disruptions using ultra-high molecular weight polyethylene fiber cords connected to osteosynthesis plates. We identified eye splices as a mechanically optimal fixation method and proved that the ultra-high molecular weight polyethylene fiber cord routing and fixation of the flexible implant clearly withstands physiological forces acting on the pubic symphysis.

U2 - 10.1016/j.clinbiomech.2022.105652

DO - 10.1016/j.clinbiomech.2022.105652

M3 - SCORING: Journal article

VL - 95

JO - CLIN BIOMECH

JF - CLIN BIOMECH

SN - 0268-0033

M1 - 105652

ER -