Franck Jourdan

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BACKGROUND Five randomized controlled trials recently appeared in the literature demonstrating that early mechanical thrombectomy in patients with acute ischemic stroke is significantly related to an improved outcome. Stent retrievers are accepted as the most effective devices for intracranial thrombectomy. OBJECTIVE To analyze the mechanical properties(More)
Background and purpose Pore density (PD), surface metal coverage (SMC) and the number of wires are all different parameters which can influence the efficacy of a flow disruptor/diverter. Nevertheless, the relative importance of a parameter to induce intra-aneurysmal blood stasis is still poorly evaluated. Therefore, comparison between devices based on a(More)
This paper illustrates the phenomenon of the critical speed in the range 100-300 km/h. A real explanation and a precise calculation of the critical speed seems to rest an unresolved problem in many cases. Some authors, analogous to " Mach effect " , have attributed this phenomenon to the reaching the Rayleigh wave speed of substructure by trains. But this(More)
  • Véronique Favier, Ngoc Lam Phung, Nicolas Ranc, Thierry Bretheau, Jacques Groslafaige, Gérard Roger +19 others
  • 2013
This paper present the ongoing DISFAT project financially supported by the French National Agency ANR and its white program. It aims at a deeper understanding of mechanisms leading to crack initiation in metals and alloys in Very High Cycle Fatigue (VHCF). In contrast to conventional fatigue tests, detecting irreversible microstructural changes using cyclic(More)
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