Prof. Dr. habil. Michael Morlock PhD

 

Institut für Biomechanik M3
Technische Universität Hamburg

Denickestr. 15(K)
21073 Hamburg

 

Tel: +49 040/42878-3053
morlock@tuhh.de
Website


THEMEN

– Präklinische Testung von Implantaten, insbesondere Endoprothesen

– Schadensanalyse von revidierten Implantaten

– Biomechanische und Materialspezifische Schulung von Ärzten

TECHNIKEN UND APPARATIVE AUSSTATTUNG

– Verschiedene 1- und 2-achsige Materialprüfmaschinen

– µ-CT

– Focusvariationsmikroskop

– 3-d Laserscanner

– Finite Elemente Modellierung

– Fluroskop

AKTUELLE PROJEKTE

Life Long Joints (LLJ) funding from the European Union’s Seventh Framework Programme for research, technological development and demonstration under grant agreement no NMP-310477

AKTUELLE PUBLIKATIONEN (SCOPUS)

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Oberst, S., Baetz, J., Campbell, G., Lampe, F., Lai, J.C.S., Hoffmann, N., Morlock, M.: Vibro-acoustic and nonlinear analysis of cadavric femoral bone impaction in cavity preparations. (2018) International Journal of Mechanical Sciences, 144, pp. 739-745.

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Weiser, L., Huber, G., Sellenschloh, K., Viezens, L., Püschel, K., Morlock, M.M., Lehmann, W.: Time to augment?! Impact of cement augmentation on pedicle screw fixation strength depending on bone mineral density. (2018) European Spine Journal, pp. 1-8. Article in Press.

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Krull, A., Morlock, M.M., Bishop, N.E.: Factors influencing taper failure of modular revision hip stems. (2018) Medical Engineering and Physics, 54, pp. 65-73.

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Oberst, S., Baetz, J., Campbell, G., Lampe, F., Lai, J.C.S., Hoffmann, N., Morlock, M.: Vibro-acoustic and nonlinear analysis of cadavric femoral bone impaction in cavity preparations. (2018) MATEC Web of Conferences, 148, art. no. 14007, .

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Baxmann, M., Pfaff, A.M., Schilling, C., Grupp, T.M., Morlock, M.M.: Biomechanical Evaluation of the Fatigue Performance, the Taper Corrosion and the Metal Ion Release of a Dual Taper Hip Prosthesis under Physiological Environmental Conditions. (2017) Biotribology, 12, pp. 1-7.

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Weiser, L., Huber, G., Sellenschloh, K., Viezens, L., Püschel, K., Morlock, M.M., Lehmann, W.: Insufficient stability of pedicle screws in osteoporotic vertebrae: biomechanical correlation of bone mineral density and pedicle screw fixation strength. (2017) European Spine Journal, 26 (11), pp. 2891-2897.

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Rendenbach, C., Sellenschloh, K., Gerbig, L., Morlock, M.M., Beck-Broichsitter, B., Smeets, R., Heiland, M., Huber, G., Hanken, H.: CAD–CAM plates versus conventional fixation plates for primary mandibular reconstruction: A biomechanical in vitro analysis. (2017) Journal of Cranio-Maxillofacial Surgery, 45 (11), pp. 1878-1883.

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Krull, A., Morlock, M.M., Bishop, N.E.: The Influence of Contamination and Cleaning on the Strength of Modular Head Taper Fixation in Total Hip Arthroplasty. (2017) Journal of Arthroplasty, 32 (10), pp. 3200-3205.

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Buente, D., Bryant, M., Ward, M., Neville, A., Morlock, M., Huber, G.: The taper corrosion pattern observed for one bi-modular stem design is related to geometry-determined taper mechanics. (2017) Medical Engineering and Physics, 46, pp. 79-88.

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Krull, A., Bishop, N.E., Steffen, N.M., Lampe, F., Püschel, K., Morlock, M.M.: Influence of the compliance of a patient's body on the head taper fixation strength of modular hip implants. (2017) Clinical Biomechanics, 46, pp. 1-5.

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Weiser, L., Nüchtern, J.V., Sellenschloh, K., Püschel, K., Morlock, M.M., Rueger, J.M., Hoffmann, M., Lehmann, W., Großterlinden, L.G.: Acromioclavicular joint dislocations: coracoclavicular reconstruction with and without additional direct acromioclavicular repair. (2017) Knee Surgery, Sports Traumatology, Arthroscopy, 25 (7), pp. 2025-2031.

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Bryant, M.G., Buente, D., Oladokun, A., Ward, M., Huber, G., Morlock, M., Neville, A.: Surface and subsurface changes as a result of tribocorrosion at the stem-neck interface of bi-modular prosthesis. (2017) Biotribology, 10, pp. 1-16.

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Weiser, L., Huber, G., Sellenschloh, K., Viezens, L., Püschel, K., Morlock, M.M., Lehmann, W.: Insufficient stability of pedicle screws in osteoporotic vertebrae: biomechanical correlation of bone mineral density and pedicle screw fixation strength. (2017) European Spine Journal, pp. 1-7. Article in Press.

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Damm, N.B., Morlock, M.M., Bishop, N.E.: Influence of trabecular bone quality and implantation direction on press-fit mechanics. (2017) Journal of Orthopaedic Research, 35 (2), pp. 224-233.

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Morlock, M., Bünte, D., Gührs, J., Bishop, N.: Corrosion of the Head-Stem Taper Junction—Are We on the Verge of an Epidemic?: Review Article. (2017) HSS Journal, 13 (1), pp. 42-49.

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Nagel, K., Bishop, N.E., Schlegel, U.J., Püschel, K., Morlock, M.M.: The Influence of Cement Morphology Parameters on the Strength of the Cement-Bone Interface in Tibial Tray Fixation. (2017) Journal of Arthroplasty, 32 (2), pp. 563-569.e1.

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Morlock, M.M., Jäger, M.: Endoprostheses in the elderly: Biomaterials, implant selection and fixation technique [Endoprothetik des älteren Menschen: Biomaterialien, Implantatwahl, Verankerungstechnik]. (2016) Orthopade, pp. 1-11. Article in Press.

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Thomsen, F.S.L., Peña, J.A., Lu, Y., Huber, G., Morlock, M., Glüer, C.-C., Delrieux, C.A.: A new algorithm for estimating the rod volume fraction and the trabecular thickness from in vivo computed tomography. (2016) Medical Physics, 43 (12), pp. 6598-6607.

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Campbell, G.M., Tiwari, S., Picke, A.-K., Hofbauer, C., Rauner, M., Morlock, M.M., Hofbauer, L.C., Glüer, C.-C.: Effects of insulin therapy on porosity, non-enzymatic glycation and mechanical competence in the bone of rats with type 2 diabetes mellitus. (2016) Bone, 91, pp. 186-193.

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Haschke, H., Jauch-Matt, S.Y., Sellenschloh, K., Huber, G., Morlock, M.M.: Assembly force and taper angle difference influence the relative motion at the stem-neck interface of bi-modular hip prostheses. (2016) Proceedings of the Institution of Mechanical Engineers, Part H: Journal of Engineering in Medicine, 230 (7), pp. 690-699.

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Morlock, M.M., Bünte, D., Ettema, H., Verheyen, C.C., Hamberg, A., Gilbert, J.: Primary hip replacement stem taper fracture due to corrosion in 3 patients. (2016) Acta Orthopaedica, 87 (2), pp. 189-192.

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Damm, N.B., Morlock, M.M., Bishop, N.E.: Influence of trabecular bone quality and implantation direction on press-fit mechanics. (2016) Journal of Orthopaedic Research, . Article in Press.

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Huber, G., Nagel, K., Skrzypiec, D.M., Klein, A., Püschel, K., Morlock, M.M.: A description of spinal fatigue strength. (2016) Journal of Biomechanics, . Article in Press.

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Skrzypiec, D.M., Nagel, K., Sellenschloh, K., Klein, A., Püschel, K., Morlock, M.M., Huber, G.: Failure of the human lumbar motion-segments resulting from anterior shear fatigue loading. (2016) Industrial Health, 54 (4), pp. 308-314.

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Campbell, G.M., Tiwari, S., Hofbauer, C., Picke, A.-K., Rauner, M., Huber, G., Peña, J.A., Damm, T., Barkmann, R., Morlock, M.M., Hofbauer, L.C., Glüer, C.-C.: Effects of parathyroid hormone on cortical porosity, non-enzymatic glycation and bone tissue mechanics in rats with type 2 diabetes mellitus. (2016) Bone, 82, pp. 116-121.

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Weiser, L., Nüchtern, J.V., Sellenschloh, K., Püschel, K., Morlock, M.M., Rueger, J.M., Hoffmann, M., Lehmann, W., Großterlinden, L.G.: Acromioclavicular joint dislocations: coracoclavicular reconstruction with and without additional direct acromioclavicular repair. (2015) Knee Surgery, Sports Traumatology, Arthroscopy, pp. 1-7. Article in Press.

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Pokorny, S., Heinig, A., Hettich, H., Bähr, T., Marczynski-Bühlow, M., Morlock, M.M., Sattler, B., Schöttler, J., Lutter, G.: Transapical mitral valved stent implantation: Computed tomographic evaluation of different prototype designs. (2015) EuroIntervention, 11 (8), pp. 948-955.

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Kallinowski, F., Baumann, E., Harder, F., Siassi, M., Mahn, A., Vollmer, M., Morlock, M.M.: Dynamic intermittent strain can rapidly impair ventral hernia repair. (2015) Journal of Biomechanics, 48 (15), pp. 4026-4036.

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Jauch, S.Y., Wallstabe, S., Sellenschloh, K., Rundt, D., Püschel, K., Morlock, M.M., Meenen, N.M., Huber, G.: Biomechanical modelling of impact-related fracture characteristics and injury patterns of the cervical spine associated with riding accidents. (2015) Clinical Biomechanics, 30 (8), pp. 795-801.

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Damm, N.B., Morlock, M.M., Bishop, N.E.: Friction coefficient and effective interference at the implant-bone interface. (2015) Journal of Biomechanics, 48 (12), art. no. 7259, pp. 3517-3521.

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Weiser, L., Ruppel, A.A., Nüchtern, J.V., Sellenschloh, K., Zeichen, J., Püschel, K., Morlock, M.M., Lehmann, W.: Extra- vs. intramedullary treatment of pertrochanteric fractures: a biomechanical in vitro study comparing dynamic hip screw and intramedullary nail. (2015) Archives of Orthopaedic and Trauma Surgery, 135 (8), pp. 1101-1106.

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Weiser, L., Korecki, M.A., Sellenschloh, K., Fensky, F., Püschel, K., Morlock, M.M., Rueger, J.M., Lehmann, W.: Interposition sleeve as treatment option for interprosthetic fractures of the femur: a biomechanical in vitro assessment. (2015) International Orthopaedics, 5 p. Article in Press.

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Maquer, G., Schwiedrzik, J., Huber, G., Morlock, M.M., Zysset, P.K.: Compressive strength of elderly vertebrae is reduced by disc degeneration and additional flexion. (2015) Journal of the Mechanical Behavior of Biomedical Materials, 42, pp. 54-66.

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Campbell, G.M., Tiwari, S., Hofbauer, C., Picke, A.-K., Rauner, M., Huber, G., Peña, J.A., Damm, T., Barkmann, R., Morlock, M.M., Hofbauer, L.C., Glüer, C.-C.: Effects of parathyroid hormone on cortical porosity, non-enzymatic glycation and bone tissue mechanics in rats with type 2 diabetes mellitus. (2015) Bone, . Article in Press.

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Reichl, M., Kueny, R.A., Danyali, R., Obid, P., Übeyli, H., Püschel, K., Morlock, M.M., Huber, G., Niemeyer, T., Richter, A.: Biomechanical Effects of a Dynamic Topping off Instrumentation in a Long Rigid Pedicle Screw Construct. (2015) Journal of Spinal Disorders and Techniques, . Article in Press.

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Klein, A., Nagel, K., Gührs, J., Poodendaen, C., Püschel, K., Morlock, M.M., Huber, G.: On the relationship between stature and anthropometric measurements of lumbar vertebrae. (2015) Science and Justice, . Article in Press.

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Werner, P.H., Etema, H.B., Wit, F., Morlock, M.M., Verheyen, C.C.: Basic principles and uniform terminology for the head-neck juncton in hip replacement. (2015) HIP International, 25 (2), pp. 115-119.

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Gührs, J., Krull, A., Witt, F., Morlock, M.M.: The influence of stem taper re-use upon the failure load of ceramic heads. (2015) Medical Engineering and Physics, 37 (6), pp. 545-552.

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Damm, N.B., Morlock, M.M., Bishop, N.E.: Friction coefficient and effective interference at the implant-bone interface. (2015) Journal of Biomechanics, . Article in Press.

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Berteau, J.-P., Mielke, G., Morlock, M.M., Huber, G.: Morphological and biomechanical analyses of the subchondral mineralized zone in human sacral facet joints: Application to improved diagnosis of osteoarthritis. (2015) Clinical Anatomy, 28 (4), pp. 538-544.

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Jauch, S.Y., Wallstabe, S., Sellenschloh, K., Rundt, D., Püschel, K., Morlock, M.M., Meenen, N.M., Huber, G.: Biomechanical modelling of impact-related fracture characteristics and injury patterns of the cervical spine associated with riding accidents. (2014) Clinical Biomechanics, . Article in Press.

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Pokorny, S., Huenges, K., Engel, A., Gross, J., Frank, D., Morlock, M.M., Cremer, J., Lutter, G.: In Vivo Quantification of the Apical Fixation Forces of Different Mitral Valved Stent Designs in the Beating Heart. (2014) Annals of Biomedical Engineering, 9 p. Article in Press.

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Siassi, M., Mahn, A., Baumann, E., Vollmer, M., Huber, G., Morlock, M., Kallinowski, F.: Development of a dynamic model for ventral hernia mesh repair. (2014) Langenbeck's archives of surgery / Deutsche Gesellschaft für Chirurgie, 399 (7), pp. 857-862.

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Pokorny, S., Huenges, K., Bähr, T., Hansen, J.H., Fischer, G., Gross, J., Morlock, M., Cremer, J., Lutter, G.: Transapical mitral valved stent implantation: Enhanced survival and decreased paravalvular leakages. (2014) International Journal of Cardiology, 175 (3), pp. 418-424.

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Lu, Y., Krause, M., Bishop, N., Sellenschloh, K., Glüer, C.-C., Püschel, K., Amling, M., Morlock, M.M., Huber, G.: The role of patient-mode high-resolution peripheral quantitative computed tomography indices in the prediction of failure strength of the elderly women's thoracic vertebral body. (2014) Osteoporosis International, . Article in Press.

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Schlegel, U.J., Bishop, N.E., Püschel, K., Morlock, M.M., Nagel, K.: Comparison of different cement application techniques for tibial component fixation in TKA. (2014) International Orthopaedics, . Article in Press.

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Lu, Y., Maquer, G., Museyko, O., Püschel, K., Engelke, K., Zysset, P., Morlock, M., Huber, G.: Finite element analyses of human vertebral bodies embedded in polymethylmethalcrylate or loaded via the hyperelastic intervertebral disc models provide equivalent predictions of experimental strength. (2014) Journal of Biomechanics, 47 (10), pp. 2512-2516.

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