Zobrazeno 1 - 10 of 19 pro vyhledávání: '"Ulrich Holzwarth"'
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Titanium allergy or not? 'Impurity' of titanium implant materials
Autor: Ulrich Holzwarth, Alexander Schuh, Wolfgang Hönle, Thomas Harloff, Peter Thomas, Rainer Bader
Publikováno v: Health. :306-310
For patients suffering from allergies to nickel, chrome and cobalt, titanium implants are the implants of choice. Nevertheless, titanium implant sensitivity has been reported in the form of “allergies” and an increasing number of patients are con
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::a88fa514580164e66de4b54d86e55e07
https://doi.org/10.4236/health.2010.24045
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2
Deep rolling of titanium rods for application in modular total hip arthroplasty
Autor: Christian Zeller, Ulrich Holzwarth, Gerhard Wilcke, Günther Zeiler, Werner Kachler, Alexander Schuh, Bernd Eigenmann, Jean Bigoney
Publikováno v: Journal of Biomedical Materials Research Part B: Applied Biomaterials. :330-335
Compressive residual stresses are commonly introduced into the near-surface regions of morse taper junctions of modular hip endoprostheses to prolong fatigue life. An increasing number of publications report that contamination of shot-peened surfaces
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::abbbc8a6f0377216c453d613addc3ac4
https://doi.org/10.1002/jbm.b.30669
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3
Atomemissionsspektralanalyse mit induktiv gekoppeltem Plasma (ICP-OES) von Granulomen zementierter und zementfreier Hüftendoprothesen Examination of granuloma of revised cemented or cementless total hip arthroplasties using inductively coupled plasma atomic emission spectrometry (ICP-OES)
Autor: Ulrich Holzwarth, Werner Kachler, Jürgen Göske, Wolfgang Hönle, Alexander Schuh, Frank Riedel
Publikováno v: Biomedizinische Technik/Biomedical Engineering. 51:15-20
INTRODUCTION Aseptic loosening is the most common problem in total hip arthroplasty (THA). One main aspect is inflammatory reaction against wear particles of the prosthesis materials. Analysing failure mechanisms in THA analysis of the particles and
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::1ca9db9a34d08c8f42dcd7bb7e975a10
https://doi.org/10.1515/bmt.2006.004
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4
Restpartikelfreie raue Oberflächen nach Stahldrahtkornstrahlen in der Hüftendoprothetik / Residual particle free rough surfaces after rough blasting with steel grit in total hip arthroplasty
Autor: Werner Kachler, B. Raab, Wolfgang Uter, T Knetsch, Jürgen Göske, Alexander Schuh, Ulrich Holzwarth
Publikováno v: Biomedizinische Technik/Biomedical Engineering. 50:404-407
Introduction Several shot peening and grit blasting techniques are used to modify the surface in the production of hip endoprostheses. A number of publications in maxillo- facial- surgery and orthopedic surgery demonstrated significant contamination
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::51299f9a69458350ccc71cdb22021a4a
https://doi.org/10.1515/bmt.2005.056
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5
Cementless Vektor-Titan stem in total hip arthroplasty / Der zementfreie Vektor-Titanschaft in der Hüftendoprothetik des Hüftgelenkes
Autor: Alexander Schuh, Ulrich Holzwarth, Alexander Ebert, Günther Zeiler
Publikováno v: Biomedizinische Technik/Biomedical Engineering. 50:30-37
Introduction Cementless THR is a well established, and a widely accepted optimal procedure for younger patients. The cementless Vektor-Titan stem is made of Ti6AI7Nb, has got the shape of a three-dimensional cone, and an optimal proximal anchoring pr
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::eac548ecdc78e8896f491311faadeff7
https://doi.org/10.1515/bmt.2005.006
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6
Malignant Fibrous Histiocytoma at the Site of a Total Hip Arthroplasty
Autor: Ulrich Holzwarth, Thomas Aigner, Günther Zeiler, Alexander Schuh
Publikováno v: Clinical Orthopaedics and Related Research. 425:218-222
Malignant fibrous histiocytoma is the most frequent sarcoma in adults. Predisposing factors for malignant fibrous histiocytoma are Paget's disease, bone infarcts, malignant disorders of the hematopoetic system, or prolonged intake of corticosteroids.
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::6f5bd382f285df4671a9eed58b38481f
https://doi.org/10.1097/00003086-200408000-00031
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8
Der LSP-Versuch zur Ermittlung der Schwingbelastbarkeit von Wirbelsäulenimplantatsystemen. LSP-Test for the Determination of the Oscillation Resistance of Spinal Implants
Autor: Alexander Schuh, Ulrich Holzwarth, S. Lorenz
Publikováno v: Biomedizinische Technik/Biomedical Engineering. 48:162-165
QUESTION New spinal implants need to be tested for primary stability in vitro under standardized laboratory conditions. To ensure the reliability of the test procedures, quality assurance standards in accordance with ISO 9000 were introduced to stand
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::a7f4324f39b03e9b37f8cf266214d9fa
https://doi.org/10.1515/bmte.2003.48.6.162
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9
The Morse Taper Junction in Modular Revision Hip Replacement – A Biomechanical and Retrieval Analysis - Die konische Steckverbindung in der modularen Revisionsendoprothetik der Hüfte – Vergleich eines explantierten Prothesenschaftes zur In-vitro-Testung
Autor: R. P. Pitto, M. Schramm, Ulrich Holzwarth, Dieter Christian Wirtz
Publikováno v: Biomedizinische Technik/Biomedical Engineering. 45:105-109
All biomaterials used for total joint surgery are subjected to wear mechanisms. Morse taper junctions of modular hip revision implants are predilection sites for both fretting and crevice corrosion, dissociation and breakage of the components. The ai
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::f3e15f5e7242c5292d637bd677cb85b8
https://doi.org/10.1515/bmte.2000.45.4.105
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10
Comparison of cortical and cancellous bone remodeling of the pelvis after press-fit cup total hip arthroplasty dependent on patient and prosthesis-specific characteristics: a computed tomography-assisted osteodensitometry study in vivo
Autor: Lutz A. Mueller, Ulrich Holzwarth, Alexander Kress, Katharina Zingler, Lothar Haeberle, Raimund Forst, Rainer Schmidt
Publikováno v: Biomedizinische Technik. Biomedical engineering. 56(5)
Even though periprosthetic bone loss is common after total hip arthroplasty, there is no scientific evidence whether it compromises the survival of the prosthesis. Using quantitative computed tomography-assisted osteodensitometry, we determined the p
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::144dad62aca4db947337ae6c6d523b8a
https://pubmed.ncbi.nlm.nih.gov/21888614
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