Patents Assigned to C2 Diagnostics
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Patent number: 10962467Abstract: Optical device (200) for blood analysis is in particular designed for the counting and differentiation of leucocytes in an automatic blood analysis apparatus and includes a light source (201) of the electroluminescent diode type in order to illuminate a blood sample (311) circulating in an optical tank.Type: GrantFiled: October 14, 2016Date of Patent: March 30, 2021Assignee: C2 DIAGNOSTICSInventors: Olivier Magnin, Laurent Damonneville, Serge Champseix
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Patent number: 9243992Abstract: A method and a device employing the method of flow cytometry, preferably applicable but not limited to the counting and differentiation of leukocytes. It relates more particularly to the field of simplified haematology instruments with moderate operating costs. The method is characterized in that a technique of impedance measurement is used for identifying the particles whose trajectory did not pass through a predetermined optical measurement zone in order to process them selectively, thus avoiding the use of sheath fluids for guiding the particles towards the measurement zone.Type: GrantFiled: December 1, 2009Date of Patent: January 26, 2016Assignee: C2 DIAGNOSTICSInventors: Henri Champseix, Olivier Magnin, Bernard Welmant
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Patent number: 8968655Abstract: Apparatus (1) includes a device (20) for moving at least one compartment (2) in the apparatus, the compartment forming a support for tubes (3), which apparatus further includes elements (50) for taking a specimen of a product contained in the tubes, the movement device (20) including elements (21) for guiding the compartment during movement of the compartment and further including stirring members (27) for the guiding elements, the movement device being mounted on a chassis (4) of the apparatus.Type: GrantFiled: October 16, 2007Date of Patent: March 3, 2015Assignee: C2 DiagnosticsInventors: Serge Champseix, Henri Champseix, Laurent Damonneville
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Patent number: 8308656Abstract: A sampling device includes a body, a needle, a sealing element and an element for feeding and removing a liquid. The needle has at least one groove located between the sealing element and the sampling end of the needle. The sampling end has a sampling hole opening out on a lateral wall of the end. The sampling device leakage problems encountered in the conventional art to be overcome while at the same time resolving the problems of placing the inside of a tube containing a product to be analyzed at atmospheric pressure.Type: GrantFiled: July 26, 2007Date of Patent: November 13, 2012Assignee: C2 DiagnosticsInventors: Henri Champseix, Serge Champseix, Jean-Pierre Milhat
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Publication number: 20110235030Abstract: A method and a device employing the method of flow cytometry, preferably applicable but not limited to the counting and differentiation of leukocytes. It relates more particularly to the field of simplified haematology instruments with moderate operating costs. The method is characterized in that a technique of impedance measurement is used for identifying the particles whose trajectory did not pass through a predetermined optical measurement zone in order to process them selectively, thus avoiding the use of sheath fluids for guiding the particles towards the measurement zone.Type: ApplicationFiled: December 1, 2009Publication date: September 29, 2011Applicant: C2 DIAGNOSTICSInventors: Henri Champseix, Olivier Magnin, Bernard Welmant
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Patent number: 7981681Abstract: Method for the automatic analysis of a blood sample in which: an analysis solution containing the blood sample, a diluent, and at least one compound to lyze the erythrocytes; at least one compound to stabilize the haemoglobin in the form of a chromogenic complex, is formed in a single dilution and analysis tank, the haemoglobin level is measured in this analysis solution by spectrophotometry in the tank after the lysis of the erythrocytes; and an appropriate quantity of this analysis solution is taken from the tank on which a leucocytic differentiation is carried out by an optical elements characterized in that the analysis solution also contains at least one compound to protect the leucocytes, allowing the distinguishing of at least four main leucocyte sub-populations. A haematological analysis apparatus for the implementation of such a method is disclosed.Type: GrantFiled: March 22, 2006Date of Patent: July 19, 2011Assignee: C2 DiagnosticsInventors: Henri Champseix, Jérôme Giraud
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Patent number: 7773206Abstract: A flow-through tank 300 is suitable for an optical device 120 for the counting and/or differentiation of leucocytes in an automatic blood analysis apparatus 1. The tank has an analysis zone 304, in which the section of the tank has at least one transverse dimension between 1 and 5 millimeters. It can advantageously be produced, at least partially, from an injected plastic material.Type: GrantFiled: March 22, 2007Date of Patent: August 10, 2010Assignee: C2 DiagnosticsInventors: Olivier Magnin, Henri Champseix, Serge Champseix
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Patent number: 7685893Abstract: A syringe block (1) includes a plurality of syringes (2) and a collector (3), the syringes each having a suction volume, and the collector includes electromagnetic valves. First tubes directly link the electromagnetic valves to the internal volumes and second tubes extend from the electromagnetic valves towards the containers for the sample and/or other liquids, at least one of the syringes being an air pump (15, 16). The syringe block can be used as a support for various components used for the operation thereof, and can be arranged in a climatic condition reproducer. One such syringe block is especially adapted to be used in a liquid analyser, the air pump being used especially to take a sample and/or to drain and clean different recipients containing a sample.Type: GrantFiled: October 22, 2004Date of Patent: March 30, 2010Assignee: C2 DiagnosticsInventors: Serge Champseix, Henri Champseix
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Publication number: 20100064826Abstract: Apparatus (1) includes a device (20) for moving at least one compartment (2) in the apparatus, the compartment forming a support for tubes (3), which apparatus further includes elements (50) for taking a specimen of a product contained in the tubes, the movement device (20) including elements (21) for guiding the compartment during movement of the compartment and further including stirring members (27) for the guiding elements, the movement device being mounted on a chassis (4) of the apparatus.Type: ApplicationFiled: October 16, 2007Publication date: March 18, 2010Applicant: C2 DIAGNOSTICSInventors: Serge Champseix, Henri Champseix, Laurent Damonneville
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Publication number: 20090142744Abstract: Method for the automatic analysis of a blood sample in which: an analysis solution containing the blood sample, a diluent, and at least one compound to lyze the erythrocytes; at least one compound to stabilize the haemoglobin in the form of a chromogenic complex, is formed in a single dilution and analysis tank, the haemoglobin level is measured in this analysis solution by spectrophotometry in the tank after the lysis of the erythrocytes; and an appropriate quantity of this analysis solution is taken from the tank on which a leucocytic differentiation is carried out by an optical elements characterized in that the analysis solution also contains at least one compound to protect the leucocytes, allowing the distinguishing of at least four main leucocyte sub-populations. A haematological analysis apparatus for the implementation of such a method is disclosed.Type: ApplicationFiled: March 22, 2006Publication date: June 4, 2009Applicant: C2 DIAGNOSTICSInventors: Henri Champseix, Jerome Giraud
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Publication number: 20090079962Abstract: A flow-through tank 300 is suitable for an optical device for the counting and/or differentiation of leucocytes in an automatic blood analysis apparatus 1. The tank has an analysis zone 304, in which the section of the tank has at least one transverse dimension between 1 and 5 millimetres. It can advantageously be produced, at least partially, from an injected plastic material.Type: ApplicationFiled: March 22, 2006Publication date: March 26, 2009Applicant: C2 DIAGNOSTICSInventors: Olivier Magnin, Henri Champseix, Serge Champseix
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Publication number: 20090068726Abstract: Optical device (200) for blood analysis is in particular designed for the counting and differentiation of leucocytes in an automatic blood analysis apparatus and includes a light source (201) of the electroluminescent diode type in order to illuminate a blood sample (311) circulating in an optical tank.Type: ApplicationFiled: March 22, 2006Publication date: March 12, 2009Applicant: C2 DIAGNOSTICSInventors: Olivier Magnin, Laurent Damonneville, Serge Champseix
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Publication number: 20090023132Abstract: Hydraulic device for a blood analysis apparatus includes elements 302, 106 for injecting a flow of blood sample into a flow-through optical tank 300 and for creating a flow of sleeving liquid 303 around the sample flow, with a sleeving liquid. The device also includes elements 134, 150 for adjusting a flow rate of the sample flow with respect to the flow rate of the sleeving liquid.Type: ApplicationFiled: March 22, 2006Publication date: January 22, 2009Applicant: C2 DIAGNOSTICSInventor: Henri Champseix
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Patent number: 7377189Abstract: A method and device for an automatic analyzer, in particular for blood analysis sampling consists in displacing a sampling needle (5) rotatable around an axis (X2) which forms an angle with the sampling needle. The method and device are particularly suitable for use in a small blood sampling automate.Type: GrantFiled: July 16, 2004Date of Patent: May 27, 2008Assignee: C2 DiagnosticsInventors: Serge Champseix, Henri Champseix
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Publication number: 20070095159Abstract: A method and device for an automatic analyzer, in particular for blood analysis sampling consists in displacing a sampling needle (5) rotatable around an axis (X2) which forms an angle with the sampling needle. The method and device are particularly suitable for use in a small blood sampling automate.Type: ApplicationFiled: July 16, 2004Publication date: May 3, 2007Applicant: C2 DIAGNOSTICSInventors: Serge Champseix, Henri Champseix