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MATERIALS TESTING AND VOLUMETRIC ANALYSIS OF EXPLANTED ABG I CUP INSERTS

Research output: Contribution to Journal/MagazineMeeting abstractpeer-review

Published

Standard

MATERIALS TESTING AND VOLUMETRIC ANALYSIS OF EXPLANTED ABG I CUP INSERTS. / Chuter, Graham S. J.; Cloke, David J.; Green, Sarah M. et al.
In: Journal of Bone and Joint Surgery, British Volume, Vol. 88-B, No. SUPP II, 01.05.2006, p. 246.

Research output: Contribution to Journal/MagazineMeeting abstractpeer-review

Harvard

Chuter, GSJ, Cloke, DJ, Green, SM & Partington, PF 2006, 'MATERIALS TESTING AND VOLUMETRIC ANALYSIS OF EXPLANTED ABG I CUP INSERTS', Journal of Bone and Joint Surgery, British Volume, vol. 88-B, no. SUPP II, pp. 246. <http://www.bjjprocs.boneandjoint.org.uk/content/88-B/SUPP_II/246.2.abstract>

APA

Chuter, G. S. J., Cloke, D. J., Green, S. M., & Partington, P. F. (2006). MATERIALS TESTING AND VOLUMETRIC ANALYSIS OF EXPLANTED ABG I CUP INSERTS. Journal of Bone and Joint Surgery, British Volume, 88-B(SUPP II), 246. http://www.bjjprocs.boneandjoint.org.uk/content/88-B/SUPP_II/246.2.abstract

Vancouver

Chuter GSJ, Cloke DJ, Green SM, Partington PF. MATERIALS TESTING AND VOLUMETRIC ANALYSIS OF EXPLANTED ABG I CUP INSERTS. Journal of Bone and Joint Surgery, British Volume. 2006 May 1;88-B(SUPP II):246.

Author

Chuter, Graham S. J. ; Cloke, David J. ; Green, Sarah M. et al. / MATERIALS TESTING AND VOLUMETRIC ANALYSIS OF EXPLANTED ABG I CUP INSERTS. In: Journal of Bone and Joint Surgery, British Volume. 2006 ; Vol. 88-B, No. SUPP II. pp. 246.

Bibtex

@article{2b8d9a3369e949b98008588f3b107a69,
title = "MATERIALS TESTING AND VOLUMETRIC ANALYSIS OF EXPLANTED ABG I CUP INSERTS",
abstract = "Introduction The ABG I acetabular insert is an ultra high molecular weight polyethylene (UHMWPE) component used in primary hip arthroplasty. Studies have shown early osteolysis and aseptic loosening of the ABG I uncemented cup compared with other implants. Theories advocate that loosening is initiated by the biological response to insert wear debris; wear volume and the distribution of particle size are considered to be important parameters. This study analysed explanted plastic inserts to identify any mechanical properties that may have contributed to early failure.Materials and Methods 21 ABG I acetabular components were revised due to aseptic loosening over a 16 month period. Silicone casts of the insert sockets were made and volumetric analysis performed using a shadowgraphing technique and a coordinate measuring machine (CMM). The UHMWPE inserts were divided into uniform pieces with a diamond-tipped microsaw and analysed for hardness, wear, stress and strain properties using a microhardness tool, pin-on-plate analysis and small punch testing. We performed identical tests on explanted inserts from other manufacturers.Results We present the findings of the above tests and provide suggestions as to why these particular implants are more prone to early failure when compared with other common implants. We also discuss the results of volumetric analysis by shadowgraphing compared with CMM.",
author = "Chuter, {Graham S. J.} and Cloke, {David J.} and Green, {Sarah M.} and Partington, {Paul F.}",
year = "2006",
month = may,
day = "1",
language = "English",
volume = "88-B",
pages = "246",
journal = "Journal of Bone and Joint Surgery, British Volume",
publisher = "British Editorial Society of Bone and Joint Surgery",
number = "SUPP II",

}

RIS

TY - JOUR

T1 - MATERIALS TESTING AND VOLUMETRIC ANALYSIS OF EXPLANTED ABG I CUP INSERTS

AU - Chuter, Graham S. J.

AU - Cloke, David J.

AU - Green, Sarah M.

AU - Partington, Paul F.

PY - 2006/5/1

Y1 - 2006/5/1

N2 - Introduction The ABG I acetabular insert is an ultra high molecular weight polyethylene (UHMWPE) component used in primary hip arthroplasty. Studies have shown early osteolysis and aseptic loosening of the ABG I uncemented cup compared with other implants. Theories advocate that loosening is initiated by the biological response to insert wear debris; wear volume and the distribution of particle size are considered to be important parameters. This study analysed explanted plastic inserts to identify any mechanical properties that may have contributed to early failure.Materials and Methods 21 ABG I acetabular components were revised due to aseptic loosening over a 16 month period. Silicone casts of the insert sockets were made and volumetric analysis performed using a shadowgraphing technique and a coordinate measuring machine (CMM). The UHMWPE inserts were divided into uniform pieces with a diamond-tipped microsaw and analysed for hardness, wear, stress and strain properties using a microhardness tool, pin-on-plate analysis and small punch testing. We performed identical tests on explanted inserts from other manufacturers.Results We present the findings of the above tests and provide suggestions as to why these particular implants are more prone to early failure when compared with other common implants. We also discuss the results of volumetric analysis by shadowgraphing compared with CMM.

AB - Introduction The ABG I acetabular insert is an ultra high molecular weight polyethylene (UHMWPE) component used in primary hip arthroplasty. Studies have shown early osteolysis and aseptic loosening of the ABG I uncemented cup compared with other implants. Theories advocate that loosening is initiated by the biological response to insert wear debris; wear volume and the distribution of particle size are considered to be important parameters. This study analysed explanted plastic inserts to identify any mechanical properties that may have contributed to early failure.Materials and Methods 21 ABG I acetabular components were revised due to aseptic loosening over a 16 month period. Silicone casts of the insert sockets were made and volumetric analysis performed using a shadowgraphing technique and a coordinate measuring machine (CMM). The UHMWPE inserts were divided into uniform pieces with a diamond-tipped microsaw and analysed for hardness, wear, stress and strain properties using a microhardness tool, pin-on-plate analysis and small punch testing. We performed identical tests on explanted inserts from other manufacturers.Results We present the findings of the above tests and provide suggestions as to why these particular implants are more prone to early failure when compared with other common implants. We also discuss the results of volumetric analysis by shadowgraphing compared with CMM.

M3 - Meeting abstract

VL - 88-B

SP - 246

JO - Journal of Bone and Joint Surgery, British Volume

JF - Journal of Bone and Joint Surgery, British Volume

IS - SUPP II

ER -