Markus Windolf

Summary

Affiliation: AO Research Institute
Country: Switzerland

Publications

  1. pmc Reinforcing the role of the conventional C-arm--a novel method for simplified distal interlocking
    Markus Windolf
    AO Research Institute Davos, Clavadelerstrasse 8, 7270 Davos, Switzerland
    BMC Musculoskelet Disord 13:8. 2012
  2. pmc Biomechanical investigation of an alternative concept to angular stable plating using conventional fixation hardware
    Markus Windolf
    AO Research Institute Davos, AO Foundation, Clavadelerstrasse 8, Davos, Switzerland
    BMC Musculoskelet Disord 11:95. 2010
  3. doi A novel non-bridging external fixator construct versus volar angular stable plating for the fixation of intra-articular fractures of the distal radius--a biomechanical study
    Markus Windolf
    AO Research Institute, AO Foundation, Clavadelerstrasse 8, 7270 Davos, Switzerland
    Injury 41:204-9. 2010
  4. pmc Treatment of distal humeral fractures using conventional implants. Biomechanical evaluation of a new implant configuration
    Markus Windolf
    AO Research Institute, AO Foundation, Clavadelerstrasse 8, 7270 Davos, Switzerland
    BMC Musculoskelet Disord 11:172. 2010
  5. doi Quantification of cancellous bone-compaction due to DHS Blade insertion and influence upon cut-out resistance
    Markus Windolf
    AO Research Institute, AO Foundation, Clavadelerstrasse 8, 7270 Davos, Switzerland
    Clin Biomech (Bristol, Avon) 24:53-8. 2009
  6. doi Is a helical shaped implant a superior alternative to the Dynamic Hip Screw for unstable femoral neck fractures? A biomechanical investigation
    Markus Windolf
    AO Research Institute, AO Foundation, Clavadelerstrasse 8, 7270 Davos, Switzerland
    Clin Biomech (Bristol, Avon) 24:59-64. 2009
  7. ncbi Systematic accuracy and precision analysis of video motion capturing systems--exemplified on the Vicon-460 system
    Markus Windolf
    AO Research Institute, Research Services Group, Clavadelerstrasse 8, CH 7270 Davos, Switzerland
    J Biomech 41:2776-80. 2008
  8. ncbi Accuracy of fragment positioning after TPLO and effect on biomechanical stability
    Markus Windolf
    Department of Contract Research and Support, AO Research Institute, Davos, Switzerland
    Vet Surg 37:366-73. 2008
  9. doi Comparison of calcaneal fixation of a retrograde intramedullary nail with a fixed-angle spiral blade versus a fixed-angle screw
    Kajetan Klos
    AO Foundation, Clavadelerstrasse 8, 7270 Davos Platz, Switzerland
    Foot Ankle Int 30:1212-8. 2009
  10. ncbi Comparison of locking and conventional screws for maintenance of tibial plateau positioning and biomechanical stability after locking tibial plateau leveling osteotomy plate fixation
    Michael Leitner
    Department of Contract Research and Support, AO Research Institute, Davos Platz, Switzerland
    Vet Surg 37:357-65. 2008

Collaborators

Detail Information

Publications39

  1. pmc Reinforcing the role of the conventional C-arm--a novel method for simplified distal interlocking
    Markus Windolf
    AO Research Institute Davos, Clavadelerstrasse 8, 7270 Davos, Switzerland
    BMC Musculoskelet Disord 13:8. 2012
    ..The newly developed technique was compared to conventional freehand in an operating room (OR) like setting on human cadaveric lower legs in terms of operating time and radiation exposure...
  2. pmc Biomechanical investigation of an alternative concept to angular stable plating using conventional fixation hardware
    Markus Windolf
    AO Research Institute Davos, AO Foundation, Clavadelerstrasse 8, Davos, Switzerland
    BMC Musculoskelet Disord 11:95. 2010
    ....
  3. doi A novel non-bridging external fixator construct versus volar angular stable plating for the fixation of intra-articular fractures of the distal radius--a biomechanical study
    Markus Windolf
    AO Research Institute, AO Foundation, Clavadelerstrasse 8, 7270 Davos, Switzerland
    Injury 41:204-9. 2010
    ..The purpose of this study was to biomechanically compare a new non-bridging external fixator construct to volar angular stable plate fixation in a dorsally comminuted intra-articular fracture model of the distal radius...
  4. pmc Treatment of distal humeral fractures using conventional implants. Biomechanical evaluation of a new implant configuration
    Markus Windolf
    AO Research Institute, AO Foundation, Clavadelerstrasse 8, 7270 Davos, Switzerland
    BMC Musculoskelet Disord 11:172. 2010
    ..In this in-vitro study the biomechanical stability of this method was compared with the established technique which utilizes angular stable locking compression plates (LCP) in a 90 degrees configuration...
  5. doi Quantification of cancellous bone-compaction due to DHS Blade insertion and influence upon cut-out resistance
    Markus Windolf
    AO Research Institute, AO Foundation, Clavadelerstrasse 8, 7270 Davos, Switzerland
    Clin Biomech (Bristol, Avon) 24:53-8. 2009
    ..This in vitro study quantified the compaction in the femoral head due to insertion of a dynamic hip screw-blade with and without predrilling and investigated the resulting implant anchorage under cyclic loading...
  6. doi Is a helical shaped implant a superior alternative to the Dynamic Hip Screw for unstable femoral neck fractures? A biomechanical investigation
    Markus Windolf
    AO Research Institute, AO Foundation, Clavadelerstrasse 8, 7270 Davos, Switzerland
    Clin Biomech (Bristol, Avon) 24:59-64. 2009
    ..However, cut-out occurs in 1-6% of all cases. This study compared the biomechanical performance of a helical shaped implant (DHS-Blade) to the Dynamic Hip Screw in an unstable femoral neck fracture model...
  7. ncbi Systematic accuracy and precision analysis of video motion capturing systems--exemplified on the Vicon-460 system
    Markus Windolf
    AO Research Institute, Research Services Group, Clavadelerstrasse 8, CH 7270 Davos, Switzerland
    J Biomech 41:2776-80. 2008
    ..With careful configuration, optical motion capturing provides a powerful measuring opportunity for the majority of biomechanical applications...
  8. ncbi Accuracy of fragment positioning after TPLO and effect on biomechanical stability
    Markus Windolf
    Department of Contract Research and Support, AO Research Institute, Davos, Switzerland
    Vet Surg 37:366-73. 2008
    ....
  9. doi Comparison of calcaneal fixation of a retrograde intramedullary nail with a fixed-angle spiral blade versus a fixed-angle screw
    Kajetan Klos
    AO Foundation, Clavadelerstrasse 8, 7270 Davos Platz, Switzerland
    Foot Ankle Int 30:1212-8. 2009
    ..In poor bone stock (osteoporosis, neuroarthropathy), device fixation in the hindfoot remains a problem. Fixed-angle spiral-blade fixation of the nail in the calcaneus could be useful...
  10. ncbi Comparison of locking and conventional screws for maintenance of tibial plateau positioning and biomechanical stability after locking tibial plateau leveling osteotomy plate fixation
    Michael Leitner
    Department of Contract Research and Support, AO Research Institute, Davos Platz, Switzerland
    Vet Surg 37:357-65. 2008
    ..To compare locking screws with conventional screws inserted in the tibial plateau fragment for reduction and stability of the construct after tibial plateau leveling osteotomy (TPLO), using a locking TPLO plate...
  11. ncbi Development of a technique for cement augmentation of nailed tibiotalocalcaneal arthrodesis constructs
    Kajetan Klos
    AO Research Institute, AO Foundation, Clavadelerstrasse, Davos Platz, Switzerland
    Clin Biomech (Bristol, Avon) 25:576-81. 2010
    ..This study was undertaken to determine whether stability could be enhanced by the cement augmentation of the calcaneal locking screws...
  12. pmc Fatigue performance of angle-stable tibial nail interlocking screws
    Mark Lenz
    AO Research Institute Davos, Davos Platz, Switzerland
    Int Orthop 37:113-8. 2013
    ..Is there a biomechanical improvement in long-term performance of angle stable locking screws compared to conventional locking screws for distal locking of intramedullary tibial nails?..
  13. doi Stability of medial locking plate and compression screw versus two crossed screws for lapidus arthrodesis
    Kajetan Klos
    AO Foundation, Clavadelerstrasse 8, 7270 Davos Platz, Switzerland
    Foot Ankle Int 31:158-63. 2010
    ..This study investigated the utility of fixation with a medial locking plate with adjunct compression screw versus fixation with two crossed screws...
  14. ncbi Mechanical behavior of fixation components for periprosthetic fracture surgery
    Mark Lenz
    AO Research Institute Davos, Clavadelerstrasse 8, CH 7270 Davos Platz, Switzerland Dept of Trauma, Hand and Reconstructive Surgery, University Hospital Jena, Erlanger Allee 101, D 07747 Jena, Germany Electronic address
    Clin Biomech (Bristol, Avon) 28:988-93. 2013
    ..The holding capacity of three conventional fixation components for periprosthetic fracture treatment was systematically investigated under different loading directions...
  15. pmc Biomechanical performance of different cable and wire cerclage configurations
    Mark Lenz
    AO Research Institute Davos, Davos Platz, Switzerland
    Int Orthop 37:125-30. 2013
    ..Different wiring techniques have been formerly proposed and have hibernated over years. Hereby, they are compared to current cerclage technology...
  16. pmc The locking attachment plate for proximal fixation of periprosthetic femur fractures--a biomechanical comparison of two techniques
    Mark Lenz
    AO Research Institute Davos, Clavadelerstrasse 8, 7270 Davos Platz, Switzerland
    Int Orthop 36:1915-21. 2012
    ..Mechanical properties of a locking attachment plate construct (LAP-LCP), allowing bicortical screw placement laterally to the prosthesis stem, are compared to a cerclage-LCP construct...
  17. doi Does cancellous bone compaction due to insertion of a blade implant influence the cut-out resistance? A biomechanical study
    Dirk Wähnert
    AO Research Institute, AO Foundation, Clavadelerstr 8, 7270 Davos, Switzerland
    Clin Biomech (Bristol, Avon) 25:1053-7. 2010
    ..This in vitro study investigates implant anchorage of Dynamic Hip Screw Blades in femoral heads due to insertion with or without predrilling under cyclic physiological loading conditions...
  18. ncbi Biomechanical comparison of a new staple technique with tension band wiring for transverse patella fractures
    Bernd Schnabel
    AO Research Institute, Clavadelerstrasse 8, CH 7270 Davos, Switzerland
    Clin Biomech (Bristol, Avon) 24:855-9. 2009
    ..We investigated the biomechanical behaviour of a new staple technique for treatment of transverse patella fractures in a cadaveric model...
  19. doi Limited V-shaped cement augmentation of the proximal femur to prevent secondary hip fractures
    Ladina Fliri
    Biomedical Services, AO Research Institute Davos, Davos, Switzerland
    J Biomater Appl 28:136-43. 2013
    ..Further investigations are necessary to minimize interference with the biology and to maximize the mechanical benefit of prophylactic augmentation. ..
  20. doi Biomechanical evaluation of two intramedullary nailing techniques with different locking options in a three-part fracture proximal humerus model
    Stephan Rothstock
    AO Research Institute Davos, Clavadelerstrasse 8, 7270 Davos, Switzerland
    Clin Biomech (Bristol, Avon) 27:686-91. 2012
    ....
  21. ncbi Angulated locking plate in periprosthetic proximal femur fractures: biomechanical testing of a new prototype plate
    Mark Lenz
    AO Research Institute Davos, Clavadelerstrasse 8, 7270 Davos Platz, Switzerland
    Arch Orthop Trauma Surg 132:1437-44. 2012
    ..To improve proximal plate fixation of periprosthetic femur fractures, a prototype locking plate with proximal posterior angulated screw positioning was developed and biomechanically tested...
  22. ncbi Potential of polymethylmethacrylate cement-augmented helical proximal femoral nail antirotation blades to improve implant stability--a biomechanical investigation in human cadaveric femoral heads
    An Sermon
    Biomedical Services, AO Research Institute, Davos, Switzerland
    J Trauma Acute Care Surg 72:E54-9. 2012
    ..The aim of this study was to compare the number of cycles to failure of polymethylmethacrylate (PMMA)-augmented helical blades with nonaugmented ones in human cadaveric femoral heads...
  23. doi Angular stability potentially permits fewer locking screws compared with conventional locking in intramedullary nailed distal tibia fractures: a biomechanical study
    Boyko Gueorguiev
    AO Research Institute Davos, AO Foundation, Davos, Switzerland
    J Orthop Trauma 25:340-6. 2011
    ..To compare mechanical stability of angle-stable locking construct with four screws with conventional five screw locking in intramedullary nailed distal tibia fractures under cyclic loading...
  24. doi Biomechanical evaluation of a new fixation technique for internal fixation of three-part proximal humerus fractures in a novel cadaveric model
    Stefano Brianza
    AO Research Institute, Clavadelerstrasse 8, 7270 Davos Platz, Switzerland
    Clin Biomech (Bristol, Avon) 25:886-92. 2010
    ..We developed a novel humeral cadaveric model and the existing implant and the prototype were biomechanically compared to determine their ability in maintaining interfragmentary stability...
  25. doi Intraoperative mechanical bone strength determination in tibiotalocalcaneal fusion: a biomechanical investigation
    Kajetan Klos
    AO Foundation, Clavadelerstrasse 8, 7270 Davos Platz, Switzerland
    Foot Ankle Int 30:1183-9. 2009
    ..We investigated whether intraoperative local bone strength determination may be useful to the surgeon in predicting intramedullary nail hindfoot fusion performance...
  26. doi Influence of peri-implant bone quality on implant stability
    Damiano Schiuma
    AO Research Institute Davos, Clavadelerstrasse 8, 7270 Davos Platz, Switzerland
    Med Eng Phys 35:82-7. 2013
    ..The aims of this study were to investigate the bone regions engaged by the locking screws of a Proximal Humeral Nail (MultiLoc PHN), and to evaluate the influence of peri-screw bone quality on bone-nail construct stability...
  27. ncbi Underneath the cerclage: an ex vivo study on the cerclage-bone interface mechanics
    Mark Lenz
    AO Research Institute Davos, Clavadelerstrasse 8, 7270 Davos Platz, Switzerland
    Arch Orthop Trauma Surg 132:1467-72. 2012
    ..Cortical damage at the interface would provoke cerclage loosening. Therefore, the contact area, the bone pressure along the interface and the cortical resistance underneath loaded cerclages were determined in an ex vivo model...
  28. doi Effect on dynamic mechanical stability and interfragmentary movement of angle-stable locking of intramedullary nails in unstable distal tibia fractures: a biomechanical study
    Boyko Gueorguiev
    AO Research Institute Davos, AO Foundation, Davos, Switzerland
    J Trauma 70:358-65. 2011
    ..We studied the influence of angle-stable nail locking on fracture gap movement and other biomechanical parameters...
  29. doi Ex vivo evaluation of the polymerization temperatures during cement augmentation of proximal femoral nail antirotation blades
    Ladina Fliri
    Biomedical Services, AO Research Institute, Davos, Switzerland
    J Trauma Acute Care Surg 72:1098-101. 2012
    ..The objective of this study was to quantify the temperatures arising around perforated titanium PFNA blades when augmenting with PMMA...
  30. doi A biomechanical study on proximal plate fixation techniques in periprosthetic femur fractures
    Mark Lenz
    AO Research Institute Davos, Clavadelerstrasse 8, CH 7270 Davos Platz, Switzerland Department of Trauma, Hand and Reconstructive Surgery, Friedrich Schiller University Jena, Erlanger Allee 101, D 07747 Jena, Germany Electronic address
    Injury 45:S71-5. 2014
    ..Proximal plate fixation is a crucial factor in osteosynthesis of periprosthetic femur fractures. Stability and strength of different fixation concepts for proximal plate fixation were compared...
  31. doi Prediction of bone strength at the distal tibia by HR-pQCT and DXA
    Albrecht W Popp
    AO Research Institute Davos, Switzerland
    Bone 50:296-300. 2012
    ..With its simple geometry, T-DIA may allow investigating the correlation between bone structural parameter and bone strength...
  32. pmc Adjacent vertebral failure after vertebroplasty: a biomechanical study of low-modulus PMMA cement
    Andreas Boger
    AO Research Institute, Clavadelerstrasse 8, 7270, Davos Platz, Switzerland
    Eur Spine J 16:2118-25. 2007
    ..999). In vitro biomechanical study and biomechanical evaluation of the hypothesis state that the failure strength of augmented functional spine units could be better preserved using low-modulus PMMA in comparison to regular PMMA cement...
  33. doi Bone marrow modified acrylic bone cement for augmentation of osteoporotic cancellous bone
    Daniel Arens
    AO Research Institute, Clavadelerstrasse 8, 7270 Davos Platz, Switzerland
    J Mech Behav Biomed Mater 4:2081-9. 2011
    ....
  34. ncbi Mechanical torque measurement predicts load to implant cut-out: a biomechanical study investigating DHS anchorage in femoral heads
    Norbert Suhm
    AO Development Institute, Clavadelerstrasse 8, 7270 Davos Platz, Switzerland
    Arch Orthop Trauma Surg 127:469-74. 2007
    ..We have evaluated mechanical torque measurement for (A) its capability to quantify local bone strength and (B) its predictive value towards load at implant cut-out...
  35. ncbi Assessment of intraosseous femoral head pressures during cement augmentation of the perforated proximal femur nail antirotation blade
    Michael Blankstein
    AO Research Institute Davos, Davos, Switzerland
    J Orthop Trauma 28:398-402. 2014
    ....
  36. ncbi DensiProbe Spine: a novel instrument for intraoperative measurement of bone density in transpedicular screw fixation
    Stephan Deckelmann
    From the AO Development Institute, Davos, Switzerland Department of Traumatology and Reconstructive Surgery, BG Trauma Center Bergmannstrost, Halle Saale, Germany AO Research Institute, Davos, Switzerland and Department of Orthopaedic Surgery, Inselspital, University of Bern, Bern, Switzerland
    Spine (Phila Pa 1976) 35:607-12. 2010
    ..Cadaver study...
  37. ncbi Metaphyseal screw augmentation of the LISS-PLT plate with polymethylmethacrylate improves angular stability in osteoporotic proximal third tibial fractures: a biomechanical study in human cadaveric tibiae
    Michael Goetzen
    Biomedical Services, AO Research Institute Davos, Davos, Switzerland and Department of Trauma Surgery, Medical University of Innsbruck, Innsbruck, Austria
    J Orthop Trauma 28:294-9. 2014
    ..This study investigates the biomechanical benefits of screw augmentation in less invasive stabilization system-proximal lateral tibial (LISS-PLT) plates in cadaveric extraarticular comminuted proximal tibial fractures (OTA-41-A3.3)...
  38. doi Two-leg alternate loading model--a different approach to biomechanical investigations of fixation methods of the injured pelvic ring with focus on the pubic symphysis
    Yash Agarwal
    AO Research Institute Davos, Clavadelerstrasse 8, CH 7270 Davos, Switzerland Electronic address
    J Biomech 47:380-6. 2014
    ..The current biomechanical test set-up was compared with previous clinical findings, and the method was found valid for measuring inter-segmentary movements at the pubic symphysis...
  39. doi In vitro temperature evaluation during cement augmentation of proximal humerus plate screw tips
    Marek Blazejak
    AO Research Institute, Davos, Switzerland
    Injury 44:1321-6. 2013
    ..This study addresses the issue of heat development during augmentation of subchondrally placed proximal humerus plate screws with PMMA and the possible risk of bone and cartilage necrosis and apoptosis...