Results 321 to 330 of about 2,909,744 (363)
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Failure prediction of the total hip prosthesis system
Journal of Biomechanics, 1981Abstract The mechanical failure of the prosthesis-cement-femur system is analyzed by using a two-dimensional finite element model. The strain energy density (SED) criterion is applied to locate potential failure sites in the PMMA and prosthesis stem for five different prosthesis positions.
G C, Sih, P, Matic, A T, Berman
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Cellular basis for failure of joint prosthesis
Bio-Medical Materials and Engineering, 1996In recent times, loosening of joint prosthesis resulting in failure, is of grave concern to orthopedicians. It is estimated that 50% of total hip replacements become loose after 15 years, and most of them require either revision surgery or resection orthoplasty.
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Failure Analysis of Cementless Hip Joint Prosthesis
Advanced Materials Research, 2013In this changing global scenario, modification, transplantation, and replacement can be the eternal solution for most of the problems in the medical field. Hence replacement technique finds a very prominent place in medicine as a remedy having closely tied up with biomechanics.
Natesan Dhandapani +2 more
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Failure of an uncemented acetabular prosthesis – a case study
Engineering Failure Analysis, 2006Severe wear and aseptic loosening in an uncemented acetabular prosthesis have been observed in a revision surgery carried out at King Edwards VII hospital by L. Taylor and P. Heaton-Adegbile, twelve years following the primary total hip replacement operation. The superior-lateral wall of the polyethylene liner and part of the titanium cup were found to
P, Heaton-Adegbile +3 more
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Symptomatic failure of snap-on bipolar radial head prosthesis
Journal of Shoulder and Elbow Surgery, 2009As the design of prosthetic radial head components improves, and the understanding of the necessity for early restoration of elbow and forearm stability in complex elbow trauma increases, prosthetic radial head replacement is becoming more common. In fact, open reduction and internal fixation of complex radial head fractures has been shown to have ...
Shawn W, O'Driscoll, Jonathan, Herald
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Inflatable penile prosthesis cylinder failure after internal urethrotomy
Urology, 1988Transurethral direct vision internal urethrotomy can be performed safely in the presence of an inflatable penile prosthesis with several caveats. A case of prosthesis cylinder rupture by urethrotome is reviewed.
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The inverse prosthesis as a revision prosthesis in failures of shoulder hemiarthroplasty.
La Chirurgia degli organi di movimento, 2005The authors describe their series of seven cases of complications and failures of shoulder hemiarthroplasty that were submitted to revision surgery involving an inverse prosthesis. This prosthesis has for some time now been indicated in elderly patients with arthropathy caused by rupture of the cuff.
Paladini, P +3 more
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AI-based hip prosthesis failure prediction through evolutional radiological indices
Archives of Orthopaedic and Trauma Surgery, 2023Matteo Bulloni +5 more
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Patient-prosthesis mismatch following aortic valve replacement
Heart, 2019Patient-prosthesis mismatch (PPM) occurs when an implanted prosthetic valve is too small for the patient; severe PPM is defined as an indexed effective orifice area (iEOA)
R. Bilkhu, M. Jahangiri, C. Otto
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Cervical Disc Prosthesis in Humans
Spine, 2001Prospective preliminary trial of a cervical disc prosthesis.To study the feasibility, efficacy in maintaining intervertebral mobility, and complications of a low-profile disc prosthesis implanted after single-level cervical discectomy.Since studies reported by Baba et al, there is fear that degeneration of the intervertebral disc levels adjacent to ...
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