Abstract: The present invention relates to a device for holding human or animal corneal tissue previously removed for photon treatment thereof with electromagnetic radiation, notable in that the holding device comprises: a stack of elements along a longitudinal axis (A-A?) of the device, said stack comprising: a first plate (1) that is transparent to the electromagnetic radiation, a peripheral seal (4) positioned on the first plate (1), the peripheral seal (4) being intended to extend around the corneal tissue (6), a second plate (2) that is transparent to the electromagnetic radiation on the peripheral seal (4), an immobilizing system (51, 52) for immobilizing the stack of elements and able to press the first and second plates (1, 2) firmly against the corneal tissue in order to apply mechanical stress to the anterior and posterior faces of the corneal tissue.

Abstract: Silicone material obtained by a reaction between:—at least one organopolysiloxane (A) that has a molar mass of less than 70,000 g/mol, preferably less than 50,000 g/mol, and contains siloxyl units I.1 and I.2; and—at least one organic compound (B) carrying at least two carboxylic acid groups and having no unsaturation. Y a ? Z b 1 ? SiO 4 - ( a + b ) 2 ( I ? .1 ) Z c 2 ? SiO 4 - c 2 ( I ? .

Abstract: The present disclosure relates to a method for the preparation, from a mixture comprising (i) plant proteins, (ii) one or more plant tanning agents, (iii) one or more plasticizers, of a biobased material that may resemble animal leather.

Abstract: The present invention is related to a method for processing a question in natural language received at a server (2), comprising performing by a processing unit (21) of the server (2) steps of: (a) for each n-gram of the question which is not a stop word, from at least one given knowledge base of entities linked by relations, identifying as initial entities and initial relations the entities and relations of the knowledge base matching said n-gram; (b) generating a set of possible queries for entities or relations of said given knowledge base, as a function of the initial entities and initial relations identified for all the n-gram of the question; (c) ranking each query of said set of possible queries as a function of at least one predetermined criterion, so as to identify a top-ranked possible query; (d) executing said top-ranked possible query, and returning the result entities or relations.

Abstract: The present invention relates to apparatus for cutting out a human or animal tissue, such as a cornea, or a lens, said apparatus including a treatment device for producing a pattern consisting of at least two impact points in a focusing plane from a L.A.S.E.R. beam generated by a femtosecond laser (1), the treatment device being positioned downstream from said femtosecond laser, remarkable in that the treatment device comprises an optical focusing system (5) for focusing the L.A.S.E.R. beam in a cutting-out plane, and a control unit (6) able to control the displacement of the optical focusing system along an optical path of the L.A.S.E.R. beam for displacing the focusing plane in at least three respective cutting-out planes so as to form a stack of surfaces for cutting out the tissue.

Abstract: A focus adjustment method for acquiring an image of a surface of interest of a sample by a holographic imager includes the steps of: placing the sample including at least one reference object having a known shape and described by characterising parameters having at least position parameters acquiring an image and determining the position of the reference object with respect to the acquisition plane, by applying a light diffraction model involving the spatial parameters of the reference object estimated by approximating the appearance of the reference object in the holographic image acquired, and determining the position of the surface of interest with respect to the acquisition plane from a position of the reference object and focus adjustment of the image acquisition.

Abstract: The present invention relates to an optical device (1) suitable for transmitting/reflecting electromagnetic radiation in a wavelength range of the electromagnetic spectrum, said device (1) comprising at least: a first coating layer (10) made of a first material, a substrate (50) made of a material that is different from the first material, and surface texturing (60) forming cavities (61) in the device (1); wherein a lower layer (50) disposed directly below the first coating layer (10) is either a second coating layer (20) made of a material that is different from the first material, or the substrate (50); wherein the lower layer (50) has a determined thickness (E50); characterised in that the cavities (61) extend through the coating layer (20) and are sunk into the lower layer (50) through at least part of the thickness (E50).

Abstract: The present invention relates to an optical device (1), suitable for transmitting/reflecting electromagnetic radiation in a wavelength range of the electromagnetic spectrum, said device (1) comprising at least: a substrate (10) made of a first material, a coating layer (20) made of a second material that is different from the first material, and surface texturing (30) forming cavities (31) in the device (1), characterized in that the cavities (31) extend through the coating layer (20) and are partially sunk into the substrate (10).

Abstract: The present invention relates to an apparatus for cutting-out including a device for treating a L.A.S.E.R. beam generated by a femtosecond laser (1), and positioned downstream from said femtosecond laser, the treatment device comprising: a shaping system (3) positioned on the trajectory of said beam, for modulating the phase of the wave front of the L.A.S.E.R. beam according to a modulation set value calculated for distributing the energy of the L.A.S.E.R. beam in at least two impact points forming a pattern in its focal plane, an optical focusing system (5) downstream from the shaping system, the optical focusing system comprising a concentrator module for focusing the phase-modulated L.A.S.E.R.

Abstract: The invention relates to a device for olfactory stimulation of a patient with a plurality of scents, said device comprising: —a source (2) of a carrier gas (G); —a plurality of scent odorization circuits, each odorization circuit (4) comprising: —a container (18) containing an odorous volatile substance (V), —a container inlet line (26), provided with a container inlet valve (28), connecting an inlet (30) of said container with said source of carrier gas, and —a container outlet line (36), provided with a container outlet valve (38), connecting an outlet (40) of said container with an exit line (12); —a control unit (8), configured to control said container inlet valve and container outlet valve according to a medical protocol.

Abstract: A device for cutting human or animal tissue including a femtosecond laser that can emit a L.A.S.E.R. beam in the form of impulses. The device directs and focuses the beam onto or into the tissue for the cutting thereof. The device further includes and element to shape the L.A.S.E.R. beam, positioned in the trajectory of the beam, and to modulate the energy distribution of the L.A.S.E.R. beam in the focal plane thereof, corresponding to the cutting plane.

Abstract: A method for building a security image for a security structure of a security document from multiplexing color images, including selecting a marking method capable of producing sets of colors on the security document comprising different colors that can be displayed according to illumination/observation modes of the security structure, establishing a plurality of color sets that can be displayed by the security structure in a plurality of the different illumination/observation modes, distributing the color sets in a plurality of groups of color sets, establishing combinations of groups of color sets having at least one color set in common across the number of different illumination/observation modes, selecting a combination of a group of color sets based on the number of desired illumination/observation modes and the number of colors per color image, and determining the color images to multiplex by means of the combination of the group of color sets selected.

Abstract: The present invention relates to apparatus for cutting out a human or animal tissue, such as a cornea, or a lens, said apparatus including a treatment device for producing a pattern consisting of at least two impact points in a focusing plane from a L.A.S.E.R. beam generated by a femtosecond laser (1), the treatment device being positioned downstream from said femtosecond laser, remarkable in that the treatment device comprises an optical focusing system (5) for focusing the L.A.S.E.R. beam in a cutting-out plane, and a control unit (6) able to control the displacement of the optical focusing system along an optical path of the L.A.S.E.R. beam for displacing the focusing plane in at least three respective cutting-out planes so as to form a stack of surfaces for cutting out the tissue.

Abstract: The invention relates to an electrically insulating composite material (1) comprising a polyepoxide matrix (2) of cycloaliphatic type or of diglycidyl ether type in a content of less than 40% by mass, from 20 to 75% by mass of one or several micrometric and/or mesometric filler(s) (3), and from 0.1 to 20% by mass of at least one ionic liquid (4), the masses being expressed relative to the total mass of the electrically insulating composite material (1). The invention also relates to a method for manufacturing such an electrically insulating composite material (1), as well as its use for an electrically insulating support (9) in a metal-enclosed substation (5).

Abstract: The invention relates to a medical device in the form of a cartridge (2) incorporating an assembly permitting the preservation of corneal tissue that has been obtained beforehand by sampling, the device comprising: a storage compartment (24) containing a preserving fluid, at least one input terminal (21) upstream from the storage compartment (24), for injecting a compressed pressurizing gas, at least one control terminal (22) upstream from the storage compartment (24), for injecting a compressed control gas, a pneumatically controlled switching system (26) downstream from the terminals (21, 22), said switching system (26) being controlled by the compressed control gas in order to permit or prohibit the circulation of the compressed pressurizing gas towards the storage compartment (24).

Abstract: The invention relates to a medical device for preservation of corneal tissue (3) that has been obtained beforehand by sampling, the device comprising a base (11), at least one side wall (12), and means for receiving and blocking the corneal tissue (3), characterized in that the device additionally comprises an applanation lid (13) for covering an opening of the device opposite the transparent base (11), the applanation lid (13) comprising: a transparent window (131), and a support (132) between the window (131) and the side wall (12), the support (132) comprising means for moving the window (131) in translation with respect to the side wall (12) of the device.

Abstract: This method for acquiring a spatial map of auditory perception of a subject comprises a plurality of successive test sequences, each test sequence comprising steps of: a) calibration (1002) of the subject's position, by displaying instructions to the subject, using a head-mounted visual display system worn by the subject, in order to acquire a reference position of the subject, the subject's position being measured using a video motion capture system by measuring the spatial coordinates of a first optical marker worn by the subject, b) choosing (1004) spatial coordinates of a target location of a sound source, said target cation being located around the subject, c) emitting (1006) a predefined sound, using a sound source placed at said target location, d) in response to acquisition instructions generated by the subject using an acquisition interface, acquiring (1008) an estimated location of said sound source, by using the video motion capture system to measure the spatial coordinates of a second optical mark

Abstract: A method for producing a porous silicone material including the following steps: 1) implementing a direct emulsion E of silicone in water including: A) a silicone base A crosslinkable by polyaddition or polycondensation; B) at least one nonionic silicone surfactant B having a cloud point between 10 and 50° C.; C) optionally, at least one catalyst C; and D) water; 2) heating the emulsion E to a temperature greater than or equal to 60° C. to obtain a porous silicone material; and 3) optionally, drying the porous silicone material.

Abstract: The present invention relates to the technical field of composite materials comprising a thermosetting polymer matrix in which thermoplastic polymer and/or elastomer particles are dispersed. More precisely, the invention relates to a novel type of polymeric material obtained by using a particular ionic liquid as cross-linking agent for an epoxy resin mixed with a thermoplastic polymer and/or an elastomer. The invention also relates to a process for manufacturing said composite material and uses thereof, notably in the aeronautical, aerospace, automotive, maritime, wind power, electronics, or sports and leisure sectors.

Abstract: The invention relates to a process for nanostructuring the surface of a solid material in order to form a regular pattern of nanostructures on said surface, comprising: irradiating the surface by a plurality of pulse trains (20) of a femtosecond laser beam: each pulse train (20) comprises at least two pulses (21, 22), each pulse has a peak fluence, and a sum of the peak fluences of the pulses of a pulse train is between 10% and 70% of a threshold fluence corresponding to a material ablation threshold for one pulse for said material, two consecutive pulses of a pulse train are separated by a peak-to-peak duration ?T between 500 fs and 150 ps, two consecutive pulse trains are separated by a duration greater than 10 ?T, obtaining a regular pattern of nanostructures on said portion of surface, having a spatial periodicity lower than 130 nm.