Patents by Inventor Cécile Legallais

Cécile Legallais has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 11903382
    Abstract: Disclosed is a device for the perfusion of an organ, including: a container of fluid, containing an organ bathed in the perfusion fluid; a first path including an inlet, an outlet and a pump; and a second path including an inlet, an outlet and a pump. The “arterial” outlet of the first path has a diameter smaller than a diameter of the “portal” outlet of the second path. The device additionally includes, between the pump and the outlet of the first path and/or between the pump and the outlet of the second path, an oxygenation unit arranged to oxygenate the fluid emerging from the “arterial” outlet of the first path more than the fluid emerging from the “portal” outlet of the second path. The device can include a communication path between the first path and the second path in order to oxygenate the second path. Use in liver transplantation.
    Type: Grant
    Filed: January 11, 2023
    Date of Patent: February 20, 2024
    Assignees: UNIVERSITE DE TECHNOLOGIE DE COMPIEGNE, CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE, SORBONNE UNIVERSITE, INSTITUT NATIONAL DE LA SANTE ET DE LA RECHERCHE MEDICALE, ASSISTANCE PUBLIQUE-HOPITAUX DE PARIS
    Inventors: Cécile Legallais, Patrick Paullier, Olivier Scatton, Eric Savier
  • Publication number: 20230145640
    Abstract: Disclosed is a device for the perfusion of an organ, including: a container of fluid, containing an organ bathed in the perfusion fluid; a first path including an inlet, an outlet and a pump; and a second path including an inlet, an outlet and a pump. The “arterial” outlet of the first path has a diameter smaller than a diameter of the “portal” outlet of the second path. The device additionally includes, between the pump and the outlet of the first path and/or between the pump and the outlet of the second path, an oxygenation unit arranged to oxygenate the fluid emerging from the “arterial” outlet of the first path more than the fluid emerging from the “portal” outlet of the second path. The device can include a communication path between the first path and the second path in order to oxygenate the second path. Use in liver transplantation.
    Type: Application
    Filed: January 11, 2023
    Publication date: May 11, 2023
    Inventors: Cécile LEGALLAIS, Patrick PAULLIER, Olivier SCATTON, Eric SAVIER
  • Patent number: 11576371
    Abstract: Disclosed is a device for the perfusion of an organ, including: a container of fluid, containing an organ bathed in the perfusion fluid; a first path including an inlet, an outlet and a pump; and a second path including an inlet, an outlet and a pump. The “arterial” outlet of the first path has a diameter smaller than a diameter of the “portal” outlet of the second path. The device additionally includes, between the pump and the outlet of the first path and/or between the pump and the outlet of the second path, an oxygenation unit arranged to oxygenate the fluid emerging from the “arterial” outlet of the first path more than the fluid emerging from the “portal” outlet of the second path. The device can include a communication path between the first path and the second path in order to oxygenate the second path. Use in liver transplantation.
    Type: Grant
    Filed: June 12, 2018
    Date of Patent: February 14, 2023
    Assignees: UNIVERSITE DE TECHNOLOGIE DE COMPIEGNE, CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE, SORBONNE UNIVERSITE, INSTITUT NATIONAL DE LA SANTE ET DE LA RECHERCHE MEDICALE, ASSISTANCE PUBLIQUE - HOPITAUX DE PARIS
    Inventors: Cécile Legallais, Patrick Paullier, Olivier Scatton, Eric Savier
  • Publication number: 20210112805
    Abstract: Disclosed is a device for the perfusion of an organ, including: a container of fluid, containing an organ bathed in the perfusion fluid; a first path including an inlet, an outlet and a pump; and a second path including an inlet, an outlet and a pump. The “arterial” outlet of the first path has a diameter smaller than a diameter of the “portal” outlet of the second path. The device additionally includes, between the pump and the outlet of the first path and/or between the pump and the outlet of the second path, an oxygenation unit arranged to oxygenate the fluid emerging from the “arterial” outlet of the first path more than the fluid emerging from the “portal” outlet of the second path. The device can include a communication path between the first path and the second path in order to oxygenate the second path. Use in liver transplantation.
    Type: Application
    Filed: June 12, 2018
    Publication date: April 22, 2021
    Inventors: Cécile LEGALLAIS, Patrick PAULLIER, Olivier SCATTON, Eric SAVIER
  • Patent number: 10119112
    Abstract: The present invention relates to a unit (1) comprising a microsystem (150) and at least one set of interface connections (16) for the microsystem (150); the microsystem (150) comprising a bottom plate (152) bearing the impression of at least one microstructured dynamic cell culture chamber (15), and a top plate (151), characterized in that the at least one microstructured chamber (15) is fluidically connected at inlet and/or at outlet by a set of connections (16) inserted removably into a hole in the upper plate (151). The present invention also relates to a dynamic cell culture system to this effect.
    Type: Grant
    Filed: March 2, 2011
    Date of Patent: November 6, 2018
    Assignees: Universite Technologie De Compiegne—UTC, Centre National de la Recherche Scientifique (CNRS)
    Inventors: Cécile Legallais, Régis Baudoin, Eric Leclerc, Jean-Matthieu Prot, Patrick Paullier
  • Patent number: 9448226
    Abstract: The present invention relates to a method of toxicological evaluation of a candidate substance on at least one tissue or organ, characterized in that it comprises the steps of: (a) obtaining a bioartificial tissue or organ by simulation or modelling of the metabolic activity of said tissue or organ by at least one bioreactor; (b) exposure of said bioartificial tissue or organ to said substance; (c) observation of the metabolic response of the bioartificial tissue or organ and acquisition without a priori of an associated multidimensional data set; (d) identification by means of a method of multivariate statistical analysis of the components of the multidimensional data set which are quantitatively correlated with predetermined variables; (e) generation of a predictive model on the basis of the components of the data set that are actually retained; (f) testing of the predictive nature of said model by at least one statistical method of estimating reliability; (g) identification of the metabolic response of the
    Type: Grant
    Filed: May 12, 2011
    Date of Patent: September 20, 2016
    Assignees: Universite Technologie De Compiegne—UTC, Centre National de la Recherche Scientifique (CNRS), Ecole Normale Superieure De Lyon, Institut National De L'Environment Industriel Et Des Risques
    Inventors: Marc-Emmanuel Dumas, Eric Leclerc, Laetitia Shintu, Regis Baudoin, Cécile Legallais, Pierre Toulhoat, Céline Brochot
  • Publication number: 20130084632
    Abstract: The present invention relates to a unit (1) comprising a microsystem (150) and at least one set of interface connections (16) for the microsystem (150); the microsystem (150) comprising a bottom plate (152) bearing the impression of at least one microstructured dynamic cell culture chamber (15), and a top plate (151), characterized in that the at least one microstructured chamber (15) is fluidically connected at inlet and/or at outlet by a set of connections (16) inserted removably into a hole in the upper plate (151). The present invention also relates to a dynamic cell culture system to this effect.
    Type: Application
    Filed: March 2, 2011
    Publication date: April 4, 2013
    Applicants: CENTRE BENJAMIN FRANKLIN, UNIVERSITE TECHNOLOGIE DE COMPIEGNE - UTC
    Inventors: Cécile Legallais, Régis Baudoin, Eric Leclerc, Jean-Matthieu Prot, Patrick Paullier
  • Publication number: 20130060550
    Abstract: The present invention relates to a method of toxicological evaluation of a candidate substance on at least one tissue or organ, characterized in that it comprises the steps of: (a) obtaining a bioartificial tissue or organ by simulation or modelling of the metabolic activity of said tissue or organ by at least one bioreactor; (b) exposure of said bioartificial tissue or organ to said substance; (c) observation of the metabolic response of the bioartificial tissue or organ and acquisition without a priori of an associated multidimensional data set; (d) identification by means of a method of multivariate statistical analysis of the components of the multidimensional data set which are quantitatively correlated with predetermined variables; (e) generation of a predictive model on the basis of the components of the data set that are actually retained; (f) testing of the predictive nature of said model by at least one statistical method of estimating reliability; (g) identification of the metabolic response of the
    Type: Application
    Filed: May 12, 2011
    Publication date: March 7, 2013
    Applicants: UNIVERSITE TECHNOLOGIE DE COMPIEGNE - UTC, INSTITUT NATIONAL DE L'ENVIRONNEMENT INDUSTRIEL ET DES RISQUES, ECOLE NORMALE SUPERIEURE DE LYON, CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE (CNRS)
    Inventors: Marc-Emmanuel Dumas, Eric Leclerc, Laetitia Shintu, Regis Baudoin, Cécile Legallais, Pierre Toulhoat, Céline Brochot
  • Patent number: 6746607
    Abstract: The invention concerns the use of an adsorptive size exclusion chromatography gel, said gel essentially consisting of a polysaccharide matrix whereon is grafted a polymer coupled with an affinity ligand and having a cleavage threshold ranging between 2 kDa and 60 kDa for eliminating a purifying biomolecules.
    Type: Grant
    Filed: June 4, 2001
    Date of Patent: June 8, 2004
    Assignee: Centre National de la Recherche Scientifique
    Inventors: Mookambeswaran Vijayalakshmi, Olivier Pitiot, Cécile Legallais, Philippe Moriniere