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Journal of Long-Term Effects of Medical Implants
Главный редактор: Subrata Saha (open in a new tab)

Выходит 4 номеров в год

ISSN Печать: 1050-6934

ISSN Онлайн: 1940-4379

SJR: 0.184 SNIP: 0.485 CiteScore™:: 1.1 H-Index: 39

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Scanning Electron Microscope Fractography of Induced Fatigue-Damaged Saline Breast Implants

Том 16, Выпуск 1, 2006, pp. 71-82
DOI: 10.1615/JLongTermEffMedImplants.v16.i1.80
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Краткое описание

Breast implant strength and durability is presently an important topic in biomaterials science. Research studies are being conducted to determine the mechanisms and rates of failure in order to assess the in vivo performance of breast implants. Fatigue life is a measure of breast implant durability since fatigue failure is a potential in vivo failure mechanism. This study describes the characterization of the fracture surface morphology of breast implant shell regions that have failed due to cyclic fatigue. Saline breast implants were fatigue tested to failure using a laboratory apparatus in which flat plates cyclically compressed the implants. The implants were unimplanted control devices of both textured and smooth saline implants. The failure surfaces of the fatigued shells were examined using scanning electron microscopy (SEM). The morphological features of the failure surfaces are described for implants with short and long fatigue lifetimes. The details of both the inside and outside surfaces of the shell at the failure location are described. Two different modes of failure were observed in both the textured and smooth shells. These modes depend on the magnitude of the cyclic load and corresponding number of fatigue cycles at failure. The first mode is a tear in the shell of about 18 mm in length, and the second mode is a pinhole approximately 1 mm in diameter. Details of the surface morphology for these two types of failure modes and shell thickness data are presented herein. There was no significant change in the crosslink density of the shell as a result of fatigue.

ЦИТИРОВАНО В
  1. Brandon H.J., Jerina K.L., Wolf C.J., Young V.L., Retrieval and analysis of breast implants emphasizing strength, durability, and failure mechanisms, in Biomaterials in Plastic Surgery, 2012. Crossref

  2. Ramião N.G., Martins P.S., Barroso M.L., Santos D.C., Fernandes A.A., An experimental analysis of shell failure in breast implants, Journal of the Mechanical Behavior of Biomedical Materials, 72, 2017. Crossref

  3. Schmitz Marweh, Schubert Dirk W., Kaschta Joachim, Daenicke Jonas, Walter Bastian L., Horch Raymund E., Is short term intraoperative application of disinfectants harmful to breast implants in breast reconstruction? An experimental study and literature survey, Journal of the Mechanical Behavior of Biomedical Materials, 90, 2019. Crossref

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