Patents by Inventor Bertrand Tavitian

Bertrand Tavitian 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: 11940578
    Abstract: An imaging method including: a) acquiring N successive positron emission tomography (PET) low resolution images ?i and simultaneously, N successive Ultrafast Ultrasound Imaging (UUI) images Ui of a moving object; b) determining from each UUI image Ui, the motion vector fields Mi that corresponds to the spatio-temporal geometrical transformation of the motion of the object; c) obtaining a final estimated high resolution image H of the object by iterative determination of a high resolution image Hn+1 obtained by applying several correction iterations to a current estimated high resolution image Hn, n being the number of iterations, starting from an initial estimated high resolution image H1 of the object, each correction iteration including at least: i) warping the estimated high resolution image Hn using the motion vector fields Mi to determine a set of low resolution reference images Lni; ii) determining a differential image Di by difference between each PET image ?i and the corresponding low resolution re
    Type: Grant
    Filed: January 28, 2021
    Date of Patent: March 26, 2024
    Assignees: INSERM (INSTITUT NATIONAL DE LA SANTÉ ET DE LA RECHERCHE MÉDICALE), UNIVERSITÉ DE PARIS, CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE—CNRS, ECOLE SUPERIEURE DE PHYSIQUE ET DE CHIMIE INDUSTRIELLES DE LA VILLE DE PARIS
    Inventors: Bertrand Tavitian, Mickaël Tanter, Mailyn Perez-Liva, Joaquin Lopez Herraiz, Jean Provost
  • Publication number: 20230309944
    Abstract: The invention relates to a method for determining at least one property of an object, the method comprising a step of: a) obtaining first data relative to the object by an ultrasound imaging technique imaging the object at a frame rate superior to 300 Hz, characterized in that the method further comprises a step of: b) obtaining second data relative to the object by imaging the object with at least one of a X-ray and a ?-ray, and c) determining the at least one property of the object based on the first data and the second data.
    Type: Application
    Filed: June 7, 2023
    Publication date: October 5, 2023
    Inventors: Jean PROVOST, Anikitos GAROFALAKIS, Mathieu PERNOT, Mickaël TANTER, Bertrand TAVITIAN, Thomas VIEL
  • Publication number: 20210239863
    Abstract: An imaging method including: a) acquiring N successive positron emission tomography (PET) low resolution images ?i and simultaneously, N successive Ultrafast Ultrasound Imaging (UUI) images Ui of a moving object; b) determining from each UUI image Ui, the motion vector fields Mi that corresponds to the spatio-temporal geometrical transformation of the motion of the object; c) obtaining a final estimated high resolution image H of the object by iterative determination of a high resolution image Hn+1 obtained by applying several correction iterations to a current estimated high resolution image Hn, n being the number of iterations, starting from an initial estimated high resolution image H1 of the object, each correction iteration including at least: i) warping the estimated high resolution image Hn using the motion vector fields Mi to determine a set of low resolution reference images Lni; ii) determining a differential image Di by difference between each PET image ?i and the corresponding low resolution re
    Type: Application
    Filed: January 28, 2021
    Publication date: August 5, 2021
    Inventors: Bertrand TAVITIAN, Mickaël TANTER, Mailyn PEREZ-LIVA, Joaquin LOPEZ HERRAIZ, Jean PROVOST
  • Publication number: 20180271471
    Abstract: The invention relates to a method for determining at least one property of an object, the method comprising a step of: a) obtaining first data relative to the object by an ultrasound imaging technique imaging the object at a frame rate superior to 300 Hz, characterized in that the method further comprises a step of: b) obtaining second data relative to the object by imaging the object with at least one of a X-ray and a ?-ray, and c) determining the at least one property of the object based on the first data and the second data.
    Type: Application
    Filed: September 29, 2016
    Publication date: September 27, 2018
    Inventors: Jean PROVOST, Anikitos GAROFALAKIS, Mathieu PERNOT, Mickaël TANTER, Bertrand TAVITIAN, Thomas VIEL
  • Patent number: 9839700
    Abstract: The invention relates to polymerized micelles of size inferior to 100 nm for in vivo diagnosis, in particular of cancer. The polymerized micelles of the invention comprise a diagnostic agent and an amphiphilic polymer obtainable by the polymerization of an amphiphilic monomer, said monomer comprising: a lipophilic chain comprising a polymerizable vinylic or diacetylenic group, and a hydrophilic head comprising a polyoxyethylene or polyoxypropylene chain. The invention finds application in the pharmaceutical field, in particular.
    Type: Grant
    Filed: July 7, 2011
    Date of Patent: December 12, 2017
    Assignee: COMMISSARIAT A L'ENERGIE ATOMIQUE ET AUX ENERGIES ALTERNATIVES
    Inventors: Eric Doris, Frédéric Duconge, Edmond Gravel, Nicolas Mackiewicz, Bertrand Tavitian
  • Patent number: 9707305
    Abstract: The present invention relates to a formulation of a therapeutic or diagnostic agent in the form of a nano-emulsion, to its preparation method and to the use of this formulation for treating or diagnosing hormone-dependent cancers or cancers of organs synthesizing steroidal hormones.
    Type: Grant
    Filed: September 26, 2012
    Date of Patent: July 18, 2017
    Assignee: COMMISSARIAT A L'ENERGIE ATOMIQUE ET AUX ENERGIES ALTERNATIVES
    Inventors: Juliette Merian, Raphaël Boisgard, Bertrand Tavitian, Isabelle Texier-Nogues
  • Publication number: 20170160287
    Abstract: Use of a radiolabelled form of 7-chloro-?/?,5-trimethyl-4-oxo-3-phenyl-3,5-dihydro-4/?/?pyridazino[4,5-b]indole-1-acetamide as a biomarker for the detection, in an individual, of PBR levels associated with normal and pathological conditions. Method for the detection of PBR levels associated with normal and pathological conditions. Diagnostic kit.
    Type: Application
    Filed: November 10, 2016
    Publication date: June 8, 2017
    Inventors: Jesus BENAVIDES, Hérve BOUTIN, Marie-Noëlle CASTEL, Annelaure DAMONT, Frédéric DOLLE, Philippe HANTRAYE, Frank MARGUET, Thomas ROONEY, Luc RIVRON, Bertrand TAVITIAN, Cyrille THOMINIAUX
  • Patent number: 9125937
    Abstract: The present invention relates to the compound of formula (I): in which R1 represents a hydrogen atom, an optionally labelled halogen, a radionuclide or a Sn[(C1-C4)alkyl]3 group, Ar represents an aryl group or a heteroaryl group, R9 represents a hydrogen atom, a (C1-C4)alkyl group or forms together with the group R1—Ar a ring fused with the Ar group, A represents a group of formula (?) or (?): R3 and R4 independently represent a hydrogen atom, a (C1-C6)alkyl group, a (C1-C6)alkenyl group or a group of formula (?): —Y—Z—W—R11??(?) wherein R11 represents an optionally labelled halogen, a radionuclide, an aryl or heteroaryl group optionally substituted by an optionally labelled halogen, a radionuclide, a —NO2 group, a —NR5R6 group, a —N+R5R6R7X? group, or a —OSO2R12 group, and their addition salts with pharmaceutically acceptable acids.
    Type: Grant
    Filed: September 19, 2013
    Date of Patent: September 8, 2015
    Assignees: INSTITUT NATIONAL DE LA SANTE ET DE LA RECHERCHE MEDICALE (INSERM), COMMISSARIAT A L'ENERGIE ATOMIQUE ET AUX ENERGIES ALTERNATIVES, UNIVERSITE D'AUVERGNE CLERMONT 1, LABORATORIES CYCLOPHARMA
    Inventors: Jean-Michel Chezal, Frederic Dolle, Jean-Claude Madelmont, Aurelie Maisonial, Elisabeth Miot-Noirault, Nicole Moins, Janine Papon, Bertrand Kuhnast, Bertrand Tavitian, Raphael Boisgard
  • Publication number: 20150030543
    Abstract: The present invention relates to a formulation of a therapeutic or diagnostic agent in the form of a nano-emulsion, to its preparation method and to the use of this formulation for treating or diagnosing hormone-dependent cancers or cancers of organs synthesizing steroidal hormones.
    Type: Application
    Filed: September 26, 2012
    Publication date: January 29, 2015
    Applicant: Commissariat à l'énergie atomique et aux énergies alternatives
    Inventors: Juliette Merian, Raphaël Boisgard, Bertrand Tavitian, Isabelle Texier-Nogues
  • Publication number: 20140093453
    Abstract: The present invention relates to the compound of formula (I): in which R1 represents a hydrogen atom, an optionally labelled halogen, a radionuclide or a Sn[(C1-C4)alkyl]3 group, Ar represents an aryl group or a heteroaryl group, R9 represents a hydrogen atom, a (C1-C4)alkyl group or forms together with the group R1—Ar a ring fused with the Ar group, A represents a group of formula (?) or (?): R3 and R4 independently represent a hydrogen atom, a (C1-C6)alkyl group, a (C1-C6)alkenyl group or a group of formula (?): —Y—Z—W—R11??(?) wherein R11 represents an optionally labelled halogen, a radionuclide, an aryl or heteroaryl group optionally substituted by an optionally labelled halogen, a radionuclide, a —NO2 group, a —NR5R6 group, a —N+R5R6R7X? group, or a —OSO2R12 group, and their addition salts with pharmaceutically acceptable acids.
    Type: Application
    Filed: September 19, 2013
    Publication date: April 3, 2014
    Applicants: INSTITUT NATIONAL DE LA SANTE ET DE LA RECHERCHE MEDICALE (INSERM), LABORATOIRES CYCLOPHARMA, UNIVERSITE D'AUVERGNE CLERMONT 1, COMMISSARIAT A L'ENERGIE ATOMIQUE ET AUX ENERGIES ALTERNATIVES
    Inventors: Jean-Michel CHEZAL, Frederic DOLLE, Jean-Claude MADELMONT, Aurelie MAISONIAL, Elisabeth MIOT-NOIRAULT, Nicole MOINS, Janine PAPON, Bertrand KUHNAST, Bertrand TAVITIAN, Raphael BOISGARD
  • Patent number: 8615117
    Abstract: A method provides for estimating the concentration of a tracer in a tissue structure assembly including at least one tissue structure, from a measurement image of the tracer concentration in said tissue structure assembly, which is obtained by an imaging apparatus, wherein said image includes at least one space domain inside which the tracer concentration is homogenous and at least one region of interest in which the tracer concentration is measured.
    Type: Grant
    Filed: September 18, 2009
    Date of Patent: December 24, 2013
    Assignee: Commissariat a l'Energie Atomique et aux Energies Alternatives
    Inventors: Renaud Maroy, Bertrand Tavitian
  • Publication number: 20130261096
    Abstract: The present invention relates to a formulation as a nanoemulsion, comprising a continuous aqueous phase and at least one dispersed phase, and comprising: an amphiphilic lipid, a solubilizing lipid, a hormone, a hormone agonist or antagonist or a mixture thereof, and a co-surfactant comprising at least one chain consisting of alkylene oxide units for its use for hormonal treatment selected from contraception, reproduction assistance, post-menopausal hormonal treatment, treatment of menorrhagias, treatment of acne and treatment of adrenal dysregulations.
    Type: Application
    Filed: March 29, 2013
    Publication date: October 3, 2013
    Inventors: Juliette MERIAN, Raphaël BOISGARD, Bertrand TAVITIAN, Isabelle TEXIER-NOGUES
  • Publication number: 20130230467
    Abstract: The invention relates to polymerized micelles of size inferior to 100 nm for in vivo diagnosis, in particular of cancer. The polymerized micelles of the invention comprise a diagnostic agent and an amphiphilic polymer obtainable by the polymerization of an amphiphilic monomer, said monomer comprising: a lipophilic chain comprising a polymerizable vinylic or diacetylenic group, and a hydrophilic head comprising a polyoxyethylene or polyoxypropylene chain. The invention finds application in the pharmaceutical field, in particular.
    Type: Application
    Filed: July 7, 2011
    Publication date: September 5, 2013
    Applicant: COMMISSARIAT A L'ENERGIE ATOMIQUE ET AUX ENERGIES ALTERNATIVES
    Inventors: Eric Doris, Frédéric Duconge, Edmond Gravel, Nicolas MacKiewicz, Bertrand Tavitian
  • Publication number: 20120039816
    Abstract: Use of a radiolabelled form of 7-chloro-?/,?/,5-trimethyl-4-oxo-3-phenyl-3,5-dihydro-4/-/-pyridazino[4,5-b]indole-1-acetamide as a biomarker for the detection, in an individual, of PBR levels associated with normal and pathological conditions. Method for the detection of PBR levels associated with normal and pathological conditions. Diagnostic kit.
    Type: Application
    Filed: October 27, 2009
    Publication date: February 16, 2012
    Applicants: SANOFI-AVENTIS, COMMISSARIAT A L'ENERGIE ATOMIQUE
    Inventors: Jesus Benavides, Hérve Boutin, Marie-Noëlle Castel, Annelaure Damont, Frédéric Dolle, Philippe Hantraye, Frank Marguet, Thomas Rooney, Luc Rivron, Bertrand Tavitian, Cyrille Thominiaux
  • Publication number: 20110317889
    Abstract: A method provides for estimating the concentration of a tracer in a tissue structure assembly including at least one tissue structure, from a measurement image of the tracer concentration in said tissue structure assembly, which is obtained by an imaging apparatus, wherein said image includes at least one space domain inside which the tracer concentration is homogenous and at least one region of interest in which the tracer concentration is measured.
    Type: Application
    Filed: September 18, 2009
    Publication date: December 29, 2011
    Inventors: Renaud Maroy, Bertrand Tavitian
  • Publication number: 20110044899
    Abstract: A compound of formula (I): in which R1 represents a hydrogen atom, an optionally labelled halogen, a radionuclide or a Sn[(C1-C4)alkyl]3 group, Ar represents an aryl group or a heteroaryl group, R9 represents a hydrogen atom, a (C1-C4) alkyl group or forms together with the group R1—Ar a ring fused with the Ar group, A represents a group of formula (?) or (?): R3 and R4 independently represent a hydrogen atom, a (C1-C6)alkyl group, a (C1-C6) alkenyl group or a group of formula (y): wherein R11 represents an optionally labelled halogen, a radionuclide, an aryl or heteroaryl group optionally substituted by an optionally labelled halogen, a radionuclide, a —NO2 group, a —NR5R6 group, a N+R5R6R7X? group, or a —OSO2R12 group, and their addition salts with pharmaceutically acceptable acids.
    Type: Application
    Filed: January 28, 2009
    Publication date: February 24, 2011
    Applicants: INSTITUT NATIONAL DE LA SANTE ET DE LA RECHERCHE MEDICALE (INSERM), COMMISSARIAT A L'ENERGIE ATOMIQUE ET AUX ENERGIES ALTERNATIVES, UNIVERSITE D'AUVERGNE CLERMONT 1, LABORATOIRES CYCLOPHARMA
    Inventors: Jean-Michel Chezal, Frederic Dolle, Jean-Claude Madelmont, Aurelie Maisonial, Elisabeth Miot-Noirault, Nicole Moins, Janine Papon, Bertrand Kuhnast, Bertrand Tavitian, Raphael Boisgard
  • Patent number: 7630550
    Abstract: The present invention relates to a method of segmenting a starting image or sequence of tridimensional images for obtaining a tridimensional segmentation image comprising a partition into regions of interest, said image or sequence of images comprising measurements, for each voxel and in the course of n time intervals (n?1), of the real evolution of a signal representative of at least one variable of said image or sequence, which comprises essentially: a) a modeling (10) of the signal comprising the definition of a parametric model of spatio-temporal evolution of said signal, this model comprising sets of homogeneous parameters respectively specific to structures corresponding to said regions of interest; b) an extraction (30) of samples of voxels respectively included in said structures; then c) a merging (50b) of the samples grouping together those whose evolution model is specific to the same structure, said merging following, preceding or including a classification of all the voxels of said image or se
    Type: Grant
    Filed: January 20, 2006
    Date of Patent: December 8, 2009
    Assignee: Commissariat a l'Energie Atomique
    Inventors: Renaud Maroy, Bertrand Tavitian, Vincent Frouin
  • Patent number: 7541157
    Abstract: The invention relates to an amplification-free method of screening groups of radioactive molecules, comprising at least the following steps: (1) the group of molecules is administered to at least one animal; (2) at least one of the animals is slaughtered and the tissue distribution of the radioactivity of the molecules administered is analyzed in vivo; (3) sections of tissue or organs in which a radioactivity signal is detected are selected; (4) radioactive fractions from the sections of tissue or organs are isolated using suitable techniques such as chromatography and/or extraction techniques; and (5) the molecule(s) from the radioactive fractions obtained in step 4 are characterized using suitable analysis techniques such as chromatography and/or mass spectrometry.
    Type: Grant
    Filed: May 28, 2003
    Date of Patent: June 2, 2009
    Assignee: Commissariat a l'Energie Atomique
    Inventors: Vincent Dive, André Menez, Reto Stocklin, Bertrand Tavitian, Fabrice Beau, Bertrand Czarny, Joël Cotton
  • Publication number: 20080227735
    Abstract: The invention relates to aptamers selected from live tumor cells and to the use thereof for diagnosis and treatment of certain cancers and other pathologies.
    Type: Application
    Filed: March 17, 2005
    Publication date: September 18, 2008
    Applicant: COMMISSARIAT A L'ENERGIE ATOMIQUE
    Inventors: Bertrand Tavitian, Frederic Duconge, Domenico Libri, Vittorio De Franciscis, Laura Cerchia
  • Publication number: 20070080305
    Abstract: The luminescence imaging apparatus comprises: a stage receiving a sample (2) emitting luminescence information about the sample; a light source (8) illuminating the stage; and an electronic control unit defining time frames; a combined light signal corresponding to a combination of luminescence information and of the reflection on the sample of the illumination. During each time frame, the detection apparatus (9) acquires both first data relating to the luminescence information, and also second data relating to the second light signal.
    Type: Application
    Filed: November 21, 2005
    Publication date: April 12, 2007
    Applicant: BIOSPACE MESURES
    Inventors: Serge Maitrejean, Pascal Asselin, Emilie Roncali, Bertrand Tavitian