Patents by Inventor Frederic Foucault
Frederic Foucault 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).
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Publication number: 20240125680Abstract: A system for diluting a sample of biological material, including a fluid circuit, wherein the fluid circuit includes at least: a first container configured to contain a sample of biological material containing a biological material to be diluted, the sample being a fluid; a second container configured to contain a first dilution fluid; and at least one first metering member for metering a predetermined volume of fluid, including a first wall and a second wall, the first metering member including a metering zone configured to change at least from an initial state in which the first wall and the second wall are in contact with one another to an operating state in which the first wall and the second wall are separated from one another.Type: ApplicationFiled: October 27, 2020Publication date: April 18, 2024Applicants: BIOMERIEUX, BIOMERIEUX, INC.Inventors: Patrick BROYER, Frederic FOUCAULT, Pierre IMBAUD, Hervé ROSTAING, Kirk RIRIE
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Patent number: 11623213Abstract: A microbiological testing device for testing a liquid to be analysed that is liable to contain at least one microorganism, includes a closed inner space, a microbiological filtration member and an inlet port. The device has a nutritive layer in contact with the filtration member, and in that, in a configuration for providing the device an open/close member of the inlet port is in a closed state; the absolute gas pressure inside the closed inner space is strictly less than the standard atmospheric pressure, such that the device is able to create suction through the inlet port during a first opening of the open/close member.Type: GrantFiled: April 10, 2018Date of Patent: April 11, 2023Assignee: BIOMÉRIEUX SAInventors: Florian Michel, Frédéric Foucault, Christine Rozand
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Patent number: 11099120Abstract: A cuvette in which a fluorescent enzymatic reaction can be carried out that is for analyzing a sample includes at least one vertical wall and a bottom. The cuvette is made of a transparent or translucent material and a portion of the cuvette is partially covered on the outside with a sleeve including an inner coating made of retro-reflective material that is in contact with the cuvette.Type: GrantFiled: December 16, 2016Date of Patent: August 24, 2021Assignee: BIOMERIEUXInventors: Frédéric Foucault, Cécile Vinit
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Patent number: 11040130Abstract: A filter medium includes two porous zones arranged in the form of a stack that include (i) a first porous zone, called “prefiltration”, treated with at least one reagent presenting affinity for red blood cells and leading to red blood cells being captured or agglutinated on the prefiltration zone; and (ii) a second porous zone, called “asymmetric”, presenting pore size that decreases transversely to its thickness, the portion of higher pore size being positioned towards the prefiltration zone.Type: GrantFiled: July 12, 2019Date of Patent: June 22, 2021Assignee: BIOMERIEUXInventor: Frederic Foucault
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Patent number: 11020775Abstract: A method for cleaning a test sample well, provided in a diagnostic test card, using a cleaning head having a cleaning tube delivering, at its free end, a cleaning fluid, and a suction tube mounted inside the cleaning tube for aspirating the contaminated cleaning fluid from its free end located in proximity to the free end of the cleaning tube. The method provides for relative displacement between the test card and the cleaning head, so that the test card occupies a cleaning position wherein the cleaning tube delivers, at its free end, the cleaning fluid to the inside of the well to be cleaned and the suction tube aspirates the contaminated cleaning fluid.Type: GrantFiled: November 5, 2018Date of Patent: June 1, 2021Assignee: BIOMERIEUXInventor: Frédéric Foucault
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Publication number: 20200078782Abstract: A microbiological testing device for testing a liquid to be analysed that is liable to contain at least one microorganism, includes a closed inner space, a microbiological filtration member and an inlet port. The device has a nutritive layer in contact with the filtration member, and in that, in a configuration for providing the device an open/close member of the inlet port is in a closed state; the absolute gas pressure inside the closed inner space is strictly less than the standard atmospheric pressure, such that the device is able to create suction through the inlet port during a first opening of the open/close member.Type: ApplicationFiled: April 10, 2018Publication date: March 12, 2020Applicant: BIOMÉRIEUX SAInventors: Florian MICHEL, Frédéric FOUCAULT, Christine ROZAND
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Publication number: 20200024569Abstract: A device and method preparing a sample that may contain a target microorganism, includes: placing the sample in a container including: a device for the capture and/or concentration of a target microorganism or of a protein therefrom, including a capture and/or concentration support; a receptacle including; inlet and fluid guides, a device controlling the sample volume transferred from the fluid guide to the capture and/or concentration device through the inlet orifice, an outlet orifice; the capture/concentration device being attached to a wall of the receptacle; generating a displacement of all or part of the sample to the fluid guide and a defined sample volume from the fluid guide to the capture and/or concentration device, capturing and/or concentrating, on the capture and/or concentration support, the target microorganism or a protein from the microorganism, the volume of sample crossing the capture and/or concentration support then exiting again through the outlet orifice.Type: ApplicationFiled: October 9, 2017Publication date: January 23, 2020Applicant: BIOMÉRIEUXInventors: Fabien DACHAUD, Jacques DACHAUD, Frédéric FOUCAULT, Edgar MINASSIAN, David MOSTICONE, Jean-Claude RAYMOND
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Publication number: 20190328953Abstract: A filter medium includes two porous zones arranged in the form of a stack that include (i) a first porous zone, called “prefiltration”, treated with at least one reagent presenting affinity for red blood cells and leading to red blood cells being captured or agglutinated on the prefiltration zone; and (ii) a second porous zone, called “asymmetric”, presenting pore size that decreases transversely to its thickness, the portion of higher pore size being positioned towards the prefiltration zone.Type: ApplicationFiled: July 12, 2019Publication date: October 31, 2019Applicant: BIOMERIEUXInventor: Frederic FOUCAULT
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Publication number: 20190302005Abstract: A cuvette in which a fluorescent enzymatic reaction can be carried out that is for analyzing a sample includes at least one vertical wall and a bottom. The cuvette is made of a transparent or translucent material and a portion of the cuvette is partially covered on the outside with a sleeve including an inner coating made of retro-reflective material that is in contact with the cuvette.Type: ApplicationFiled: December 16, 2016Publication date: October 3, 2019Applicant: BIOMERIEUXInventors: Frédéric FOUCAULT, Cécile VINIT
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Patent number: 10398825Abstract: The invention relates to a filter medium (31) comprising two porous zones arranged in the form of a stack: a first porous zone (100), called “prefiltration”, treated with at least one reagent presenting affinity for red blood cells and leading to red blood cells being captured or agglutinated on the prefiltration zone; and a second porous zone (200), called “asymmetric”, presenting pore size that decreases transversaly to its thickness, the portion of higher pore size being positioned towards the prefiltration zone (100). The invention also relates to systems, devices, and methods making use of the medium.Type: GrantFiled: November 13, 2014Date of Patent: September 3, 2019Assignee: BIOMERIEUXInventor: Frederic Foucault
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Publication number: 20190211299Abstract: An end fitting capable of being fitted to the body of a manual or automated device for sampling a biological substance of microbial origin, including: a) a distal end including a means for sampling the biological substance of microbial origin, b) a proximal free end intended to come into contact with the body of the sampling device and to enable the attachment of the end fitting to said body, the end fitting being characterized in that all or some of the free distal end consists of a fibrous material having a porosity at least equal to 30%.Type: ApplicationFiled: June 14, 2017Publication date: July 11, 2019Applicant: BIOMÉRIEUXInventors: Corinne BEAULIEU, Jean-Philippe CHARRIER, Frédéric FOUCAULT, Cécile PARIS, Philippe WANDELS, Bouchra MAKROUF, Bruno COLIN
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Patent number: 10293338Abstract: A device for transferring a portion of a liquid contained in a container, the device having a hollow needle for penetrating through the plug of the container; a pressure chamber for pressurizing a fluid, the chamber having the needle passing therethrough and being provided with a septum; and an approach system for causing the hollow needle and the septum to approach each other so as to increase the pressure of the fluid as a result of the approach.Type: GrantFiled: November 13, 2014Date of Patent: May 21, 2019Assignee: BIOMERIEUXInventor: Frederic Foucault
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Publication number: 20190086404Abstract: An analysis membrane of a microfluidic device, said membrane being made in one piece from a liquid-diffusing absorbent material of glass fiber-based composition, said analysis membrane including: at least one zone termed depositing zone, at least one zone termed reaction zone, in which at least one reagent is adsorbed directly to said glass fiber liquid-diffusing material, or indirectly by virtue of a coupling agent, and channels which ensure a fluidic communication between these depositing zone(s) and reaction zone(s), and that at least one reaction zone is circumscribed in a space of the analysis membrane, termed slowed diffusion space, inside which the channels which arrive upstream and/or the channels which depart again downstream: extend into one or more channels of smaller length, and/or extend into one or more channels of smaller width, and/or extend into one or more channels comprising at least one portion having a winding path.Type: ApplicationFiled: March 30, 2017Publication date: March 21, 2019Applicant: BIOMERIEUXInventors: Laurent BOULET, Frédéric FOUCAULT, Christine ROZAND, Agnès RUBENS
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Publication number: 20190076887Abstract: A method for cleaning a test sample well, provided in a diagnostic test card, using a cleaning head having a cleaning tube delivering, at its free end, a cleaning fluid, and a suction tube mounted inside the cleaning tube for aspirating the contaminated cleaning fluid from its free end located in proximity to the free end of the cleaning tube. The method provides for relative displacement between the test card and the cleaning head, so that the test card occupies a cleaning position wherein the cleaning tube delivers, at its free end, the cleaning fluid to the inside of the well to be cleaned and the suction tube aspirates the contaminated cleaning fluid.Type: ApplicationFiled: November 5, 2018Publication date: March 14, 2019Applicant: BIOMERIEUXInventor: Frédéric FOUCAULT
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Patent number: 10144039Abstract: A method for cleaning a test sample well, provided in a diagnostic test card, using a cleaning head having a cleaning tube delivering, at its free end, a cleaning fluid, and a suction tube mounted inside the cleaning tube for aspirating the contaminated cleaning fluid from its free end located in proximity to the free end of the cleaning tube. The method provides for relative displacement between the test card and the cleaning head, so that the test card occupies a cleaning position wherein the cleaning tube delivers, at its free end, the cleaning fluid to the inside of the well to be cleaned and the suction tube aspirates the contaminated cleaning fluid.Type: GrantFiled: April 17, 2013Date of Patent: December 4, 2018Assignee: BIOMERIEUXInventor: Frederic Foucault
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Publication number: 20160279551Abstract: The invention relates to a filter medium (31) comprising two porous zones arranged in the form of a stack: a first porous zone (100), called “prefiltration”, treated with at least one reagent presenting affinity for red blood cells and leading to red blood cells being captured or agglutinated on the prefiltration zone; and a second porous zone (200), called “asymmetric”, presenting pore size that decreases transversaly to its thickness, the portion of higher pore size being positioned towards the prefiltration zone (100). The invention also relates to systems, devices, and methods making use of the medium.Type: ApplicationFiled: November 13, 2014Publication date: September 29, 2016Applicant: BIOMERIEUXInventor: Frederic FOUCAULT
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Publication number: 20160250630Abstract: A device for transferring a portion of a liquid contained in a container, the device having a hollow needle for penetrating through the plug of the container; a pressure chamber for pressurizing a fluid, the chamber having the needle passing therethrough and being provided with a septum; and an approach system for causing the hollow needle and the septum to approach each other so as to increase the pressure of the fluid as a result of the approach.Type: ApplicationFiled: November 13, 2014Publication date: September 1, 2016Applicant: BIOMERIEUXInventor: Frederic FOUCAULT
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Patent number: 9371924Abstract: A one-piece flap device made of elastic material, which separates two distinct volume spaces. The one-piece flap device includes: a) a substantially cylindrical body including a through conduit, b) a flap that seals an aperture of the through conduit of the body when the flap is in a closed position and is within said body, and c) an arm connecting the body of the device to the flap. The arm is in an elastic stress position regardless of the position of the flap when inside said body.Type: GrantFiled: February 15, 2011Date of Patent: June 21, 2016Assignee: BIOMERIEUXInventor: Frederic Foucault
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Patent number: 9285384Abstract: The invention relates to a device for preparing and/or treating a biological sample including an assembly (2) of storage chambers (3) and/or reaction chambers intended for receiving a fluid and means arranged to move an amount of fluid from and/or to at least one of the chambers (3) of the assembly (2) of chambers (3), the chambers (3) being separated by walls (5) so as to form an assembly of adjacent chambers (3) aligned in a given direction.Type: GrantFiled: October 30, 2009Date of Patent: March 15, 2016Assignees: COMMISSARIAT A L'ENERGIE ATOMIQUE ET AUX ENERGIES ALTERNATIVES, BIOMERIEUXInventors: Patrick Broyer, Guillaume Durin, Cyril Delattre, Frédéric Foucault
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Publication number: 20150075565Abstract: A method for cleaning a test sample well, provided in a diagnostic test card, using a cleaning head having a cleaning tube delivering, at its free end, a cleaning fluid, and a suction tube mounted inside the cleaning tube for aspirating the contaminated cleaning fluid from its free end located in proximity to the free end of the cleaning tube. The method provides for relative displacement between the test card and the cleaning head, so that the test card occupies a cleaning position wherein the cleaning tube delivers, at its free end, the cleaning fluid to the inside of the well to be cleaned and the suction tube aspirates the contaminated cleaning fluid.Type: ApplicationFiled: April 17, 2013Publication date: March 19, 2015Inventor: Frederic Foucault