Patents by Inventor Frederic Revol-Cavalier

Frederic Revol-Cavalier 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).

  • Publication number: 20200158604
    Abstract: A system for preparing a calibrated volume of blood plasma that includes a plurality of parts: a device for preparing the calibrated volume of blood plasma, which is in the form of a single card; a pneumatic-type actuating system SP; a treatment and command unit UC configured such as to execute a command sequence of different pneumatic command points of the pneumatic actuation system with a view to obtaining, from a taken blood sample, the calibrated volume of blood plasma. The device includes three distinct modules: a fluidic connection module M1 onto which a blood sampling device may be connected; a module M2 for separation of the blood plasma contained in the blood sample; a module M3 for obtaining at least one calibrated volume of blood plasma, after separation.
    Type: Application
    Filed: November 14, 2019
    Publication date: May 21, 2020
    Applicant: Commissariat A L'Energie Atomique et aux Energies Alternatives
    Inventors: Myriam-Laure Cubizolles, Manuel Alessio, Remco Den Dulk, Frederic Revol-Cavalier
  • Patent number: 10292869
    Abstract: An article having properties allowing same to absorb a body fluid. The article includes at least three paths for the propagation of fluid from a fluid capture zone to at least one storage and/or evaporation area, each fluid propagation path being delimited by a fluid barrier preventing the passage of liquid from one path to another.
    Type: Grant
    Filed: December 16, 2014
    Date of Patent: May 21, 2019
    Assignees: COMMISSARIAT A L'ENERGIE ATOMIQUE ET AUX ENERGIES ALTERNATIVES, URGO RECHERCHE INNOVATION ET DEVELOPPEMENT
    Inventors: Frédéric Revol-Cavalier, Michel Lamoise, Cyril Marsiquet, Jean-Marc Pernot, Julien Steinbrunn
  • Patent number: 10265659
    Abstract: A process for manufacturing a fluidic element, which consists in forming at least one fluid-permeable zone and one fluid-impermeable zone in a three-dimensional cellular material, by addition of at least one second material having a liquid initial state. The process will for example include soaking of the cellular material by the second material present in the liquid initial state, evacuating the second material present in its liquid initial state from at least one zone of the cellular material, in order to render the permeable zone.
    Type: Grant
    Filed: February 10, 2017
    Date of Patent: April 23, 2019
    Assignee: Commissariat a l'Energie Atomique et aux Energies Alternatives
    Inventors: Giacomo Gropplero Di Troppenburg, Laurent Davoust, Yves Fouillet, Frederic Revol-Cavalier
  • Patent number: 9955908
    Abstract: A device and method for determining an excretion flow rate of a body fluid of a person or an animal. The device includes an absorbent element equipped with at least three electrodes connected to a measuring system for measuring at least one electric parameter so as to be electrically coupled two by two and to form at least two pairs of electrodes, separating systems which include an inlet opening exposing a part of the absorbent element so as to create a diffusion path. At least two of the electrodes are first electrodes placed along the diffusion path in such a way that each of the first electrodes is at a distance from the inlet opening representative of a volume of absorbed fluid.
    Type: Grant
    Filed: December 14, 2011
    Date of Patent: May 1, 2018
    Assignee: COMMISSARIAT À L'ENERGIE ATOMIQUE ET AUX ENERGIES ALTERNATIVES
    Inventors: Frédéric Revol-Cavalier, Aurélien Lambert
  • Publication number: 20170232399
    Abstract: A process for manufacturing a fluidic element, which consists in forming at least one fluid-permeable zone and one fluid-impermeable zone in a three-dimensional cellular material, by addition of at least one second material having a liquid initial state. The process will for example include soaking of the cellular material by the second material present in the liquid initial state, evacuating the second material present in its liquid initial state from at least one zone of the cellular material, in order to render the permeable zone.
    Type: Application
    Filed: February 10, 2017
    Publication date: August 17, 2017
    Applicant: Commissariat a l'energie atomique et aux energies alternatives
    Inventors: Giacomo GROPPLERO DI TROPPENBURG, Laurent DAVOUST, Yves FOUILLET, Frederic REVOL-CAVALIER
  • Publication number: 20160374860
    Abstract: An article having properties allowing same to absorb a body fluid. The article includes at least three paths for the propagation of fluid from a fluid capture zone to at least one storage and/or evaporation area, each fluid propagation path being delimited by a fluid barrier preventing the passage of liquid from one path to another.
    Type: Application
    Filed: December 16, 2014
    Publication date: December 29, 2016
    Applicants: COMMISSARIAT A L'ENERGIE ATOMIQUE ET AUX ENERGIES ALTERNATIVES, URGO RECHERCHE INNOVATION DEVELOPPEMENT
    Inventors: FREDERIC REVOL-CAVALIER, Michel LAMOISE, Cyril MARSIQUET, Jean-Marc PERNOT, Julien STEINBRUNN
  • Publication number: 20160331593
    Abstract: An article to be applied against the skin, mucous membranes or a wound, in order to absorb a liquid, such as an exudate, the article including: a distal absorbent layer; one or more visual indicators that change appearance upon contact with the liquid, the visual indicator(s) being in contact with the distal absorbent layer; an interface intended to come into contact with the skin or mucous membranes; at least one proximal absorbent layer located adjacent to the interface between the interface and the distal absorbent layer; and at least one layer forming a water barrier located between the proximal absorbent layer and the distal absorbent layer and provided with at least one passage through which the liquid that has passed through the proximal absorbent layer can reach the distal absorbent layer.
    Type: Application
    Filed: December 11, 2014
    Publication date: November 17, 2016
    Applicants: COMMISSARIAT A L'ENERGIE ATOMIQUE ET AUX ENERGIES ALTERNATIVES, URGO RECHERCHE INNOVATION ET DEVELOPPEMENT
    Inventors: Frédéric REVOL-CAVALIER, Mouna MESSAOUD, Julien STEINBRUNN
  • Publication number: 20160331603
    Abstract: An article having physiological-fluid absorption properties, including a liquid collection zone and a transfer structure, the latter including absorbent fibers and being designed to transport the liquid from said collection zone toward at least one retention and/or evaporation zone, said transfer structure having a cross section that increases in the direction of said retention and/or evaporation zone, over at least part of the path separating said collection zone from said retention and/or evaporation zone.
    Type: Application
    Filed: December 17, 2014
    Publication date: November 17, 2016
    Applicants: COMMISSARIAT A L'ENERGIE ATOMIQUE ET AUX ENERGIES ALTERNATIVES, URGO RECHERCHE INNOVATION ET DEVELOPPEMENT
    Inventors: Frédéric REVOL- CAVALIER, Michel LAMOISE, Mouna MESSAOUD, Jean-Marc PERNOT
  • Patent number: 9474661
    Abstract: The present invention relates to an item (10) having liquid (L) storage and/or discharge properties, in particular a bandage, comprising: —a liquid-permeable proximal structure (20), consisting of a material capable of inflating in the presence of liquid (L), —a distal structure (30) capable of draining a liquid (L), —a hydrophobic and non-absorbent spacer structure (40) extending between the distal (30) and proximal (20) structures, and being capable of locally limiting, when said material is not inflated, the exchange of liquid between the distal and proximal structures by maintaining a gap between said structures, and of authorizing a local expansion of the proximal structure in at least one zone (P) where said material is inflated in response to coming into contact with a liquid, said expansion causing the proximal and distal structure to move together locally and the transfer of said liquid from the zone of the proximal structure (20) having undergone expansion to the distal structure (30).
    Type: Grant
    Filed: July 22, 2013
    Date of Patent: October 25, 2016
    Assignees: Commissariat a l'Energie Atomique et aux Energies Alternatives, Laboratoires Urgo
    Inventors: Yves Fouillet, Cyril Marsiquet, Frederic Revol-Cavalier, Jean-Marc Pernot, Serge Lecomte, Michel Lamoise
  • Patent number: 9142839
    Abstract: The invention relates to an electrochemical battery that comprises at least two electrodes (21, 22) each made of a different conducting material, characterized in that said electrodes are woven or sewn in the fabric of the piece of clothing (1), said fabric containing between 60 and 90% of an animal or vegetal natural fiber and between 10 and 40% of a textile fiber of a chemical elastic material, and using a physiological fluid as an electrolyte. The invention also relates to a piece of clothing equipped with such a battery.
    Type: Grant
    Filed: January 19, 2010
    Date of Patent: September 22, 2015
    Assignee: COMMISSARIAT A L'ENERGIE ATOMIQUE ET AUX ENERGIES ALTERNATIVES
    Inventor: Frédéric Revol Cavalier
  • Publication number: 20150209200
    Abstract: The present invention relates to an item (10) having liquid (L) storage and/or discharge properties, in particular a bandage, comprising:—a liquid-permeable proximal structure (20), consisting of a material capable of inflating in the presence of liquid (L),—a distal structure (30) capable of draining a liquid (L),—a hydrophobic and non-absorbent spacer structure (40) extending between the distal (30) and proximal (20) structures, and being capable of locally limiting, when said material is not inflated, the exchange of liquid between the distal and proximal structures by maintaining a gap between said structures, and of authorising a local expansion of the proximal structure in at least one zone (P) where said material is inflated in response to coming into contact with a liquid, said expansion causing the proximal and distal structure to move together locally and the transfer of said liquid from the zone of the proximal structure (20) having undergone expansion to the distal structure (30).
    Type: Application
    Filed: July 22, 2013
    Publication date: July 30, 2015
    Inventors: Yves Fouillet, Cyril Marsiquet, Frederic Revol-Cavalier, Jean-Marc Pernot, Serge Lecomte, Michel Lamoise
  • Publication number: 20150018792
    Abstract: The present invention relates to a wound dressing comprising: —an application surface for application to a wound; —an absorbent structure for absorbing a liquid discharged from the wound; —an intermediate structure located between the application surface and the absorbent structure and arranged to promote the distribution of the liquid from the application surface to one or a plurality of inlet zones having a limited area in the absorbent structure; and —a detection system sensitive to the extent of the absorbent structure that is wetted by the liquid having penetrated same via the inlet zone or zones.
    Type: Application
    Filed: January 29, 2013
    Publication date: January 15, 2015
    Inventors: Cyril Marsiquet, Frederic Revol-Cavalier
  • Patent number: 8758576
    Abstract: The device of the invention comprises a support having a surface comprising an attachment zone (Z) capable of being functionalized with a probe (A) capable of binding, according to the pH and reversibly, to a target (B) so as to attach it; a working electrode (WE) and a counterelectrode (CE) for this working electrode, arranged on the support in the vicinity of the attachment zone; and means for applying a given electric current or a given potential to said working electrode so as to cause, when said attachment zone and said electrodes are immersed in an aqueous solution, a local variation in pH in the region of said attachment zone. The method for attaching and/or detaching a target or an object according to the invention uses this device, the attachment and/or the detachment being electrochemically controlled with the working electrode.
    Type: Grant
    Filed: May 17, 2004
    Date of Patent: June 24, 2014
    Assignee: Commissariat a l'Energie Atomique
    Inventors: Celine Escoffier, Gilles Marchand, Frederic Revol-Cavalier, Francoise Vinet
  • Patent number: 8354017
    Abstract: Method for measuring the global ion concentration of a body fluid that comprises application of a stable DC voltage between first and second electrodes of a cell for measuring the global ion concentration of a body fluid so as to cause electrochemical hydrolysis reactions of the body fluid water to occur at the level of said first and second electrodes, measurement of a hydrolysis current generated by said electrochemical hydrolysis reactions of the water and determination of the global ion concentration of the body fluid by comparison with a previously defined calibration curve. The measuring cell comprises a fluid channel having an internal cross-section smaller than or equal to 1.5 mm.
    Type: Grant
    Filed: September 20, 2010
    Date of Patent: January 15, 2013
    Assignee: Commissariat a l'Energie Atomique et aux Energies Alternatives
    Inventor: Frederic Revol-Cavalier
  • Patent number: 8257792
    Abstract: Process for manufacturing an article comprising an approximately flat porous support and, within this support, defined zones in a chosen pattern, these zones being grafted with sensor molecules, such as metals, biological molecules, whereas the rest of the support remains free of this grafting.
    Type: Grant
    Filed: June 19, 2009
    Date of Patent: September 4, 2012
    Assignee: Commissariat a l'Energie Atomique
    Inventors: Frederic Revol Cavalier, Nadine David, Sebastien Schoumacker
  • Publication number: 20120150072
    Abstract: A device and method for determining an excretion flow rate of a body fluid of a person or an animal. The device includes an absorbent element equipped with at least three electrodes connected to a measuring system for measuring at least one electric parameter so as to be electrically coupled two by two and to form at least two pairs of electrodes, separating systems which include an inlet opening exposing a part of the absorbent element so as to create a diffusion path. At least two of the electrodes are first electrodes placed along the diffusion path in such a way that each of the first electrodes is at a distance from the inlet opening representative of a volume of absorbed fluid.
    Type: Application
    Filed: December 14, 2011
    Publication date: June 14, 2012
    Applicant: COMMISSARIAT A L'ENERGIE ATOMIQUE ET AUX ENERGIES ALTERNATIVES
    Inventors: Frédéric REVOL-CAVALIER, Auréllen LAMBERT
  • Publication number: 20110271424
    Abstract: The invention relates to an electrochemical battery that comprises at least two electrodes (21, 22) each made of a different conducting material, characterised in that said electrodes are woven or sewn in the fabric of the piece of clothing (1), said fabric containing between 60 and 90% of an animal or vegetal natural fibre and between 10 and 40% of a textile fibre of a chemical elastic material, and using a physiological fluid as an electrolyte. The invention also relates to a piece of clothing equipped with such a battery.
    Type: Application
    Filed: January 19, 2010
    Publication date: November 10, 2011
    Applicant: COMMISSARIAT A L'ENERGIE ATOMIQUE ET AUX ENE ALT
    Inventor: Frédéric Revol Cavalier
  • Publication number: 20110152718
    Abstract: A device for evaluating the hydric loss of a person or an animal by sweating is provided with: a support comprising a measuring face and a contact face designed to be applied on the skin of the person or animal, a swelling element by absorption of sweat, securedly affixed to the support, said swelling element being arranged to be in direct contact or in fluidic communication with the skin and, a measuring instrument to measure the increase of at least one dimension of the swelling element. Increase of the dimension of the swelling element is caused by absorption of said sweat. A method for evaluating the hydric loss of a person or an animal using such a device is also described.
    Type: Application
    Filed: December 21, 2010
    Publication date: June 23, 2011
    Applicant: COMMISSARIAT A L'ENERGIE ATOMIQUE ET AUX ENERGIES ALTERNATIVES
    Inventor: Frédéric REVOL-CAVALIER
  • Publication number: 20110079521
    Abstract: Method for measuring the global ion concentration of a body fluid that comprises application of a stable DC voltage between first and second electrodes of a cell for measuring the global ion concentration of a body fluid so as to cause electrochemical hydrolysis reactions of the body fluid water to occur at the level of said first and second electrodes, measurement of a hydrolysis current generated by said electrochemical hydrolysis reactions of the water and determination of the global ion concentration of the body fluid by comparison with a previously defined calibration curve. The measuring cell comprises a fluid channel having an internal cross-section smaller than or equal to 1.5 mm.
    Type: Application
    Filed: September 20, 2010
    Publication date: April 7, 2011
    Applicant: COMMISSARIAT A L'ENERGIE ATOMIQUE ET AUX ENERGIES ALTERNATIVES
    Inventor: Frédéric REVOL-CAVALIER
  • Publication number: 20100200400
    Abstract: The invention relates to an embedded bodily fluid analysis device comprising a measuring cell containing the bodily fluid to be analyzed, at least one reference cell containing a reference standard and an electronic measuring circuit. The measuring cell is provided with at least one work electrode of the measuring cell and with at least one reference electrode of the measuring cell. The reference cell is provided with at least one work electrode of the reference cell formed by the same material or materials as a work electrode of the measuring cell and with at least one reference electrode of the reference cell formed by the same material or materials as a reference electrode of the measuring cell.
    Type: Application
    Filed: January 25, 2010
    Publication date: August 12, 2010
    Applicant: COMMISSARIAT A L'ENERGIE ATOMIQUE
    Inventor: Frédéric REVOL-CAVALIER