Ultrastructure of collapsed metatarsophalangeal silicone elastomer implant.
The use of silicone elastomer implants in podiatric surgical practice is presently a well accepted treatment modality. However, there are instances of failure, and the present study describes a total collapse and fragmentation of a metatarsophalangeal joint prosthesis. Defects are demonstrated by scanning electron microscopy, while physical and chemical reasons for the occurrence as stated in the current literature are reviewed.
McCarthy
D J
DJ
Department of Podiatric Surgery, Veterans Administration Medical Center, Baltimore, Maryland.
Chapman
H L
HL
D001696:Biomechanical Phenomena; D004868:Equipment Failure; D006801:Humans; D007595:Joint Prosthesis / Q000592:standards*; D008683:Metatarsophalangeal Joint / Q000000981:diagnostic imaging / Q000601:surgery* / Q000648:ultrastructure; D008855:Microscopy, Electron, Scanning; D011859:Radiography; D012826:Silicone Elastomers; D014033:Toe Joint / Q000601:surgery*
D012826:Silicone Elastomers