Patents Assigned to Air Liquide Medical Systems
-
Publication number: 20240091471Abstract: The invention concerns a manual artificial respiration bag (1) for ventilating a patient in need thereof, comprising a deformable bag (10) with a gas inlet (11), a gas outlet (12) and an inner volume (13) for a respiratory gas; an upstream conduct element (20) fluidly connected to the gas inlet (11) of the deformable bag (10), and comprising a gas entry port (21); and a downstream conduct element (30) fluidly connected to the gas outlet (12) of the deformable bag (10), comprising an exhaust valve (35) comprising an exhaust port (36). A venturi device (50) comprising a main body (110) comprising a venturi nozzle (120); at least one oxygen inlet (131) for providing oxygen; at least one air inlet (132) for providing air; a mixing chamber (133) for mixing therein oxygen and air and obtaining an air/oxygen mixture; and gas selection means (110, 130) for selecting oxygen or an air/oxygen mixture as a desired gas to be provided to the venturi nozzle (120).Type: ApplicationFiled: September 19, 2023Publication date: March 21, 2024Applicant: Air Liquide Medical Systems SRLInventors: Eloise DE BEAUFORT, Arnaud Lesimple, Alexandre Broc, Davide Zadra, Luca Alberici, Jean-Christophe Richard
-
Patent number: 11771857Abstract: The invention relates to a protective cover (1) for a medical ventilator (20) adapted for use in a contaminated environment, in particular an NRBC environment, having a peripheral casing (2) defining an internal compartment (3) designed to accommodate a medical ventilator (20). The peripheral casing (2) has a plurality of connection interfaces (4, 5, 6, 7) sealably attached to said peripheral casing (2). Each connection interface (4, 5, 6, 7) has at least one internal gas passage with at least one gas inlet and at least one gas outlet. A sealing device is arranged in the internal gas passage of at least one connection interface (4, 5, 6, 7) for sealing said internal gas passage.Type: GrantFiled: June 12, 2020Date of Patent: October 3, 2023Assignee: Air Liquide Medical SystemsInventor: Romain Davoine
-
Patent number: 11666717Abstract: A resuscitation bag system (1) useable for resuscitating a person in cardiac arrest, and having a gas control unit (90) with a first valve (92) fluidly connected to a first (922) and to a second conduit (923), the first (922) and second conduits (923) being arranged in parallel and further fluidly connected to the first conduit element (56), the first conduit (922) having a first flow restriction (924) configured for limiting the gas flow to a first flowrate, and the second conduit (923) comprising second flow restriction (925) configured for limiting the gas flow to a second flowrate, with the second flowrate being less than the first flowrate.Type: GrantFiled: May 21, 2020Date of Patent: June 6, 2023Assignees: Air Liquide Medical Systems, L'Air Liquide, Société Anonyme pour l'Etude et l'Exploitation des Procédés Georges ClaudeInventors: Thierry Boulanger, Jean-Christophe Richard
-
Patent number: 11626034Abstract: An artificial thorax (1) with at least one deformable air reservoir (2) having an internal volume (3) containing air and a first orifice (4) in fluidic communication with the internal volume (3), the deformable air reservoir (2) deforming, and at least some of the air leaving the internal volume (3) via the first orifice (4), when a user exerts a manual compression action, directly or indirectly, on said deformable air reservoir (2). The artificial thorax (1) has a CO2 source (10) containing gaseous CO2, such as a gas cylinder, connected fluidically (11) to the internal volume (3) of the deformable air reservoir (2) in such a way as to supply said internal volume (3) with gaseous CO2.Type: GrantFiled: April 10, 2020Date of Patent: April 11, 2023Assignee: Air Liquide Medical SystemsInventors: Bilal Badat, Jean-Christophe Richard, Manon Hannoucene
-
Patent number: 11590305Abstract: The invention concerns a manual resuscitation bag having a first PEP exhaust valve (4) arranged in a first conduit element (3) and fluidly communicating with the ambient atmosphere for venting gas to the atmosphere when the gas pressure, into the first conduit element (3), exceeds a given pressure threshold. The first PEP exhaust valve (4) has a valve body (5) and a calibration mechanism (6, 12; 7-10) for setting a desired pressure threshold. The calibration mechanism (6, 12; 7-10) is a rotatable member (6), actuatable by a user, arranged on the valve body (5) and cooperating with a pressure adjusting device (7-10) arranged into the valve body (5), and a support member (12) comprising several markings (11) corresponding to several settable pressure values, arranged between the rotatable member (6) and the valve body (5).Type: GrantFiled: January 14, 2020Date of Patent: February 28, 2023Assignee: Air Liquide Medical SystemsInventors: Luca Alberici, Ottorino Bugatti, Paolo Massaro, Fulvio Masserdotti
-
Patent number: 11446455Abstract: The invention relates to a respiratory assistance apparatus (10) comprising a rigid internal casing (1) comprising a motor compartment (3) within which a motorized micro-blower (2) is arranged. The casing (1) is formed from a first and a second half-casing (1a, 1b) which are rigidly connected to each other in a leaktight manner.Type: GrantFiled: June 30, 2020Date of Patent: September 20, 2022Assignee: Air Liquide Medical SystemsInventor: Romain Davoine
-
Patent number: 11426546Abstract: The invention relates to a medical ventilation apparatus (1) having a micro-blower (2) connected fluidically to a gas circuit (3) in order to supply said gas circuit (3) with respiratory gas, a controller (4) controlling the micro-blower (2), an electronic memory (8) configured to store at least several ventilation modes (Modes 1-6), and one or more patient category selectors (6) making it possible to select at least one given patient category from several selectable patient categories (6), and one or more ventilation mode selectors (7) making it possible to select at least one ventilation mode from among several selectable ventilation modes (Modes 1-6) based on the given patient category selected by means of said at least one patient category selector (6).Type: GrantFiled: October 10, 2019Date of Patent: August 30, 2022Assignee: Air Liquide Medical SystemsInventors: Leslie Russo, Maxime Derache
-
Patent number: 11426547Abstract: The invention relates to a monitoring and/or respiratory assistance apparatus that can be used during a cardiopulmonary resuscitation (CPR) with successive chest compressions of duration (dt) performed on the patient and with relaxations, said apparatus comprising a CO2 content measurement sensor (10) a graphical user interface (14), and signal-processing system (11) configured to process the CO2 content measurement signals in such a way as to determine at least one maximum CO2 content value (Vmax) and at least one minimum CO2 content value (Vmin), during at least one duration (dt) of at least one chest contraction, and then to calculate at least one airway opening index AOI or mean index AOImean on the basis of the CO2 content values. Said one or more indices are displayed on the GUI in the form of numerical values or graphical representations, especially curves or pictograms.Type: GrantFiled: October 14, 2019Date of Patent: August 30, 2022Assignee: Air Liquide Medical SystemsInventors: Jean-Christophe Richard, Marceau Rigollot, Bilal Badat
-
Patent number: 11389607Abstract: The invention relates to a respiratory assistance apparatus for delivering a respiratory gas, such as air, to a patient during cardiopulmonary resuscitation (CPR), having a source (1) of respiratory gas, means (4) for measuring the CO2 content, and signal-processing and control means (5). The signal-processing and control means (5) are configured to process the CO2 content measurement signals corresponding to measurements performed by the CO2 content measurement means (4) during a given period of time (dt), and to calculate at least one mean CO2 content value (Vmean) from the maximum CO2 content values (Vmax) obtained over the time window (Ft), and to transmit said at least one mean CO2 content value (Vmean) to the graphical user interface (7) which displays it.Type: GrantFiled: November 15, 2018Date of Patent: July 19, 2022Assignee: Air Liquide Medical Systems S.A.Inventors: Jean-Christophe Richard, Marceau Rigollot, Bilal Badat
-
Patent number: 11020554Abstract: Disclosed is a method of controlling a respiratory assistance apparatus delivering a flow of gas, particularly a flow of air, having the steps of measuring at least one parameter indicative of the flow of gas; converting at least one parameter indicative of the flow of gas into at least one signal indicative of the flow of gas; processing at least one signal indicative of the flow of gas in order therefrom to deduce at least one item of information relating to cardiac massage being performed on a patient in cardiac arrest; on the basis of at least one deduced item of information, automatically selecting a given ventilation mode from among a number of stored ventilation modes, and controlling the respiratory assistance apparatus by applying the selected ventilation mode. Respiratory assistance apparatus capable of implementing this control method.Type: GrantFiled: April 6, 2016Date of Patent: June 1, 2021Assignee: Air Liquide Medical SystemsInventors: Marius Dermel, Eric Jacquot, Thomas Pennors, Marceau Rigollot, Jean-Christophe Richard
-
Patent number: 10974003Abstract: The specification describes an artificial resuscitation bag (5) having (i) a deformable bag (54) with a gas inlet (54A) and a gas outlet (54B), (ii) a pneumatic control valve (50) comprising an exhaust port (50c) adapted for controlling the flow of gas exiting to the atmosphere through said exhaust port (50c), and (iii) a monitoring module (60), operably connected to the pneumatic control valve (50) and having an absolute pressure sensor (60d) for measuring at least an absolute pressure (Pabs) in the inner compartment (50f) of the pneumatic control valve (50) and for transmitting at least an absolute pressure signal to a central processing unit (60c) and an ambient pressure sensor (60b) for measuring at least an atmospheric pressure (Patm) and for transmitting at least an atmospheric pressure signal to the central processing unit (60c).Type: GrantFiled: November 27, 2018Date of Patent: April 13, 2021Assignees: Air Liquide Medical Systems S.A., Air Liquide Santé (International)Inventors: Thierry Boulanger, Jean-Marc Giner, Jean-Christophe Richard, Marceau Rigollot
-
Patent number: 9044559Abstract: An apparatus for supplying gas, includes a ventilator having a motor, a rotor having vanes and a volute, a conduit for cooling the motor, and a soundproofing housing containing the ventilator and the conduit. The conduit has a shape similar to the wall of the motor and the volute, thus providing a flow path around the motor and the volute. The conduit also includes two housing portions, one of which includes a set of walls, forming a portion of the soundproofing housing and the conduit, and the other also includes a set of walls, forming the matching portion of the soundproofing housing and the conduit. The portions of the soundproofing housing and the conduit on the same portion of the housing are integral with one another, the two portions being suitable for being assembled together around the ventilator such as jointly to form the conduit and the soundproofing housing.Type: GrantFiled: November 29, 2010Date of Patent: June 2, 2015Assignee: AIR LIQUIDE MEDICAL SYSTEMS S.A.Inventor: Gilbert Grasmuck
-
Publication number: 20120171058Abstract: An apparatus for supplying gas, includes a ventilator having a motor, a rotor having vanes and a volute, a conduit for cooling the motor, and a soundproofing housing containing the ventilator and the conduit. The conduit has a shape similar to the wall of the motor and the volute, thus providing a flow path around the motor and the volute. The conduit also includes two housing portions, one of which includes a set of walls, forming a portion of the soundproofing housing and the conduit, and the other also includes a set of walls, forming the matching portion of the soundproofing housing and the conduit. The portions of the soundproofing housing and the conduit on the same portion of the housing are integral with one another, the two portions being suitable for being assembled together around the ventilator such as jointly to form the conduit and the soundproofing housing.Type: ApplicationFiled: November 29, 2010Publication date: July 5, 2012Applicant: AIR LIQUIDE MEDICAL SYSTEMSInventor: Gilbert Grasmuck
-
Patent number: 8096783Abstract: An apparatus (1) includes a housing (2), an air feed duct (21) a volute (5), an impeller (4), and a motor (3) for driving the rotation of the impeller (4) so as to generate a centrifugal air flow in the volute (5). The housing (2) has a first part (18a) where wall is intended, after assembly, to extend around the motor (3), espousing the shape of this motor (3) in such a way as to lie at a substantially constant distance from this motor (3); and a second part (18b, 19) where wall is intended, after assembly, to extend around the volute (5), espousing the shape of this volute (5) so as to lie at a substantially constant distance from this volute (5). The housing (2) internally forms a salient axial lump (20) which, after assembly, sits close to the hub (10) of the impeller (4).Type: GrantFiled: November 12, 2007Date of Patent: January 17, 2012Assignee: Air Liquide Medical Systems S.A.Inventor: Gilbert Grasmuck
-
Publication number: 20110126838Abstract: A respiratory mask, in particular a nasal mask, comprising a mask body (1) with an internal chamber (10), an expansion part (2) being arranged on the mask body (1) and projecting upwardly from said mask body (1), said expansion part (2) comprising a traversing orifice (3), a holding arm (4) pivotable around a first axis (AA) located on said mask body (1) or on said expansion part (2), a forehead support (9) fixed to said holding arm (4) and pivotable around an axis (BB) located on said holding arm (4), and an acting piece (5) mobile in said traversing orifice (3), wherein the acting piece (5) cooperates with the holding arm (4) for pivoting said holding arm (4) around the first axis (AA) when said acting piece (5) moves in the traversing orifice (3) of the expansion part (2). The mask of the present invention is useable for treating sleep disordered breathing (SDB) conditions, such as, for example, obstructive sleep apnea.Type: ApplicationFiled: November 16, 2010Publication date: June 2, 2011Applicant: Air Liquide Medical SystemsInventors: Luca Alberici, Alberto Rivetti, Giuseppe Sandoni