Search Results - "Niederer, P F"

A finite element model of the human left ventricular systole by Dorri, F., Niederer, P. F., Lunkenheimer, P. P.

“…Local wall stress is the pivotal determinant of the heart muscle's systolic function. Under in vivo conditions, however, such stresses cannot be measured…”
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On the significance of fiber branching in the human myocardium by Niederer, P F, Lunkenheimer, P P, Cryer, C W

“…Myocardial tissue exhibits a high degree of organization in that the cardiac muscle fibers are both systematically aligned and highly branched. In this study,…”
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Evaluation of a new visco-elastic foam for automotive applications by Schmitt, K-U, Muser, M H, Niederer, P F

“…The geometry and mechanical characteristics of the automotive seat greatly influences the occupant kinematics in rear-end collisions. The head restraint is…”
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Excimer laser spectroscopy: influence of tissue ablation on vessel wall fluorescence by Strebel, R T, Utzinger, U, Peltola, M, Schneider, J, Niederer, P F, Hess, O M

“…Limited steerability and injury to the normal vessel wall are major drawbacks of laser coronary angioplasty. To overcome these limitations a new generation of…”
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High-frequency ventilation: oscillatory dynamics by Niederer, P F, Leuthold, R, Bush, E H, Spahn, D R, Schmid, E R

“…To determine the influence of the dynamic properties of the oscillator on the oscillatory volume delivered through the endotracheal tube to the lung or lung…”
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Flow separation, an important mechanism in the formation of mean pulmonary pressure during high-frequency oscillation by Bush, E H, Spahn, D R, Niederer, P F, Schmid, E R

“…Mean pressures within the lungs and lung volume, respectively, are clinically important parameters. During ventilation by way of high-frequency oscillation…”
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On the propagation of a wave front in viscoelastic arteries by Holenstein, R, Nerem, R M, Niederer, P F

“…In formulating a mathematical model of the arterial system, the one-dimensional flow approximation yields realistic pressure and flow pulses in the proximal as…”
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Resonant amplification and flow/pressure characteristics in high-frequency ventilation by Spahn, D R, Bush, E H, Schmid, E R, Niederer, P F

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Motion patterns of pedestrian surrogates in simulated vehicle-pedestrian collisions by Schlumpf, M R, Niederer, P F

“…In about 80-85% of all vehicle-pedestrian collisions, a pedestrian is hit by the frontal area of a vehicle. Thereby, an enormous variety of spatial motion…”
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Significance of bulk convection during high-frequency oscillation by Spahn, D R, Leuthold, R, Schmid, E R, Niederer, P F

“…In 7 anesthetized supine dogs with an anatomic dead space of 115-162 ml, gas transport during high-frequency oscillation (HFO) was investigated at an…”
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Gas transport during high-frequency ventilation: the significance of direct wash-out by Leuthold, R, Spahn, D R, Niederer, P F, Schmid, E R

“…Gas transport during high-frequency oscillation was investigated in vitro using CO2 elimination from the lung surrogate as a measure of gas transport…”
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Gas transport enhancement in high-frequency oscillation by Spahn, D R, Leuthold, R, Schmid, E R, Niederer, P F

“…Gas transport during high-frequency oscillation (HFO) with (HFO+BT) and without bias tube (HFO-BT) was investigated in 10 anesthetized supine dogs. The…”
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Augmentation of CO2 elimination during high frequency oscillation by removing the bias tube--an in vitro study by Bush, E H, Spahn, D R, Leuthold, R, Kopacsy, G, Niederer, P F, Schmid, E R

“…In clinical applications of high frequency oscillation (HFO), sufficient CO2 elimination (VCO2) may represent a problem mainly at higher oscillation…”
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Lung surrogates by Niederer, P F, Bush, E H, Schmid, E R, Spahn, D R

“…In the development and evaluation of mechanical ventilation on the basis of high-frequency oscillation, appropriate surrogates of the lung are important,…”
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Ventricular myocardial architecture as visualised in postmortem swine hearts using magnetic resonance diffusion tensor imaging by Schmid, Peter, Jaermann, Thomas, Boesiger, Peter, Niederer, Peter F., Lunkenheimer, Paul P., Cryer, Colin W., Anderson, Robert H.

“…Objective: The three-dimensional arrangement of the ventricular myocardial architecture remains controversial, in part because histological assessment is…”
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N sub(km)--A Proposal for a Neck Protection Criterion for Low-Speed Rear-End Impacts by Schmitt, K-U, Muser, M H, Walz, F H, Niederer, P F

“…Soft tissue neck injuries sustained in low speed rear-end collisions are of continued concern in road traffic. To assess the risk of sustaining such injuries,…”
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Fluid-Structure Interaction in the Biomechanics of Soft Tissue Neck Injuries: A Finite Element Study to Analyze Blood Vessel Pressure Effects in the Venous Plexus by Schmitt, Kai-Uwe, Muser, Markus H., Walz, Felix H., Niederer, Peter F.

“…Soft tissue neck injuries, which are sustained particularly in low-speed rear-end collisions, are of continued concern in road traffic. As a possible cause for…”
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Compatibility considerations for low-mass rigid-belt vehicles by Niederer, P F, Kaeser, R, Walz, F H, Brunner, A, Faerber, E

“…A number of staged impacts performed by our group with the aid of a test device representing a low-mass vehicle (LMV) indicates that a rigid-belt body (RBB) is…”
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Influence of vehicle front geometry on impacted pedestrian kinematics by NIEDERER, P. F, SCHLUMPF, M. R

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Crashworthiness and Compatibility of Low Mass Vehicles in Collisions by Frei, P., Kaeser, R., Hafner, R., Schmid, M., Dragan, A., Wingeier, L., Muser, M. H., Niederer, P. F., Walz, F. H.

“…Reducing the weight of vehicles could be a strong means of reducing fuel consumption in urban traffic. Published accident and injury statistics however show an…”
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