Patents by Inventor Jacques Chevallet
Jacques Chevallet 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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Patent number: 8668825Abstract: An extracorporeal blood treatment device including a filter having a primary and a secondary chamber separated by a semi-permeable membrane, a withdrawal line connected to the primary chamber and associated to a first pump, a return line at the outlet of the primary chamber, a first pre-infusion line (109) connected to a citrate container on the withdrawal line (106), associated to a second pump, a first post-infusion line connected to a calcium solution container and to the return line, and associated to a third pump, an effluent line from the secondary chamber connected to a drain pipe and associated to a fourth pump, a CPU including first means programmed to receive the signal output by the pumps and second means programmed to control the third post-infusion pump (121) as a function of the input flow rate, effluent liquid flow rate, and anticoagulation liquid flow rate.Type: GrantFiled: September 9, 2009Date of Patent: March 11, 2014Assignee: Gambro Lundia ABInventors: Dominique Pouchoulin, Jacques Chevallet
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Patent number: 8206580Abstract: An integrated blood treatment module comprises a blood treatment device (1) having a housing (2) and a first end-cap (4) and a second end-cap (5) closing both ends of the housing (2). A pump hose (17) for a peristaltic pump has a first end (18) that is secured to the housing (2) and a second end (16) that is connected to a blood inlet port (15) of the first end-cap (4) so as to form a loop. A degassing device (30) is connected to the second end-cap (5). The degassing device (30), which, in use, is full of liquid, comprises a hydrophobic membrane through which bubbles and micro-bubbles escape the degassing device.Type: GrantFiled: November 5, 2004Date of Patent: June 26, 2012Assignee: Gambro Lundia ABInventors: Jürgen Dannenmaier, Hermann Goehl, Thomas Ertl, Jacques Chevallet, Francesco Ribolzi, Björn Frederik Seidler, Lennart Jönsson, Eddie Nilsson
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Patent number: 8142383Abstract: A fluid distribution module (1) for causing and monitoring the circulation of fluids from and to a patient through an extracorporeal blood treatment device, comprises a degassing device (11) connected to a connecting structure (10). The degassing device (11) comprises a first chamber (12) having a lower inlet (13) for a liquid and a second chamber (14) having an upper opening (79) closed by a hydrophobic membrane (78) and an outlet (15) for discharging the liquid. The connecting structure (10) has at least a first and a second conduits (20, 21) defined therein, wherein the first conduit (20) comprises a first end for connection to a discharge tube (7) from the treatment device and a second end connected to the inlet (13) of the first chamber (12) of the degassing device (11), and the second conduit (21) comprises a first end connected to the outlet (15) of the second chamber (14) of the degassing device (11) and a second end for connection to a blood return tube (6) to a patient.Type: GrantFiled: October 29, 2004Date of Patent: March 27, 2012Assignee: Gambro ABInventors: Jürgen Dannenmaier, Hermann Goehl, Thomas Ertl, Jacques Chevallet, Francesco Ribolzi
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Patent number: 8048209Abstract: A degassing device (203) comprises a first chamber (21) having an inlet for a liquid, and a second chamber (22) having an opening (23) closed by a hydrophobic membrane (24) and an outlet (25) for discharging the liquid. The first chamber (21) has a downstream portion that partially extends within the second chamber (22) and communicates therewith by a passageway (28). The second chamber (22) has a downstream portion that extends below the passageway (28) and asymmetrically surrounds the downstream portion of the first chamber (21).Type: GrantFiled: November 2, 2004Date of Patent: November 1, 2011Assignee: Gambro Lundia ABInventors: Jürgen Dannenmaier, Hermann Goehl, Thomas Ertl, Jacques Chevallet, Francesco Ribolzi
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Patent number: 7993516Abstract: The invention relates to an integrated blood treatment module (1) comprising a support element (4) and a fluid distribution circuitry associated thereto; the distribution circuitry comprises at least a blood line (44), a portion of which is secured to the support element and defines with the latter at least a U-shaped tube length (44a) designed to cooperate, when in use, with a respective pump (3a). There are then further fluid lines (45, 48, 50, 51) fastened to the support element and defining each at least a U-shaped tube length (45a, 48a, 50a, 51a) with respect to said element and each designed to cooperate, when in use, with a respective pump (3b, 3c, 3d, 3e). The support element has a first zone (274) in which the portion of the blood line is secured, and at least a second zone (275) opposite said first zone, to which all the corresponding further tube lengths are fastened.Type: GrantFiled: April 6, 2007Date of Patent: August 9, 2011Assignee: Gambro Lundia ABInventors: Claudio Tonelli, Vincenzo Baraldi, Massimo Zaccarelli, Annalisa Delnevo, Francesco Ribolzi, Jacques Chevallet, Jacques Duchamp, Aziz Aberkane, Gabriel Meyssonnier, Dominique Pouchoulin
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Publication number: 20110168614Abstract: An extracorporeal blood treatment device including a filter having a primary and a secondary chamber separated by a semi-permeable membrane, a withdrawal line connected to the primary chamber and associated to a first pump, a return line at the outlet of the primary chamber, a first pre-infusion line (109) connected to a citrate container on the withdrawal line (106), associated to a second pump, a first post-infusion line connected to a calcium solution container and to the return line, and associated to a third pump, an effluent line from the secondary chamber connected to a drain pipe and associated to a fourth pump, a CPU including first means programmed to receive the signal output by the pumps and second means programmed to control the third post-infusion pump (121) as a function of the input flow rate, effluent liquid flow rate, and anticoagulation liquid flow rate.Type: ApplicationFiled: September 9, 2009Publication date: July 14, 2011Applicant: GAMBRO LUNDIA ABInventors: Dominique Pouchoulin, Jacques Chevallet
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Patent number: 7891625Abstract: The invention concerns a medical machine (1) for transport of liquid, comprising at least one suspension means (10) intended to receive at least two bags (50) containing liquid, the suspension means having a suspension body (11), at least three fastening means (12, 13, 14) fixed to the suspension body (11), comprising at least two lateral fastening means (13, 14) and one intermediate fastening means (12), the intermediate fastening means (12) being placed between the two lateral fastening means (13, 14), and the intermediate fastening means (12) being placed vertically lower down than the lateral fastening means (13, 14). The first lateral fastening means and the intermediate fastening means are intended to receive a first bag, and the second lateral fastening means and the intermediate fastening means are intended to receive a second bag, so that the two bags are held against one another in a stable manner.Type: GrantFiled: July 15, 2005Date of Patent: February 22, 2011Assignee: Gambro Lundia ABInventors: Jacques Chevallet, Eric Dejaiffe
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Patent number: 7727176Abstract: The invention relates to support element (4) comprising a main body (6) having a front wall (25) and a peripheral wall (32) projecting away from the front wall. The front wall and the peripheral wall define a housing compartment (33) designed to receive a fluid distribution circuitry cooperating with a treatment unit for defining an integrated blood treatment module.Type: GrantFiled: June 6, 2007Date of Patent: June 1, 2010Assignee: Gambro Lundia ABInventors: Claudio Tonelli, Vincenzo Baraldi, Massimo Zaccarelli, Annalisa Delnevo, Francesco Ribolzi, Jacques Chevallet, Jacques Duchamp, Aziz Aberkane, Gabriel Meyssonnier, Dominique Pouchoulin
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Patent number: 7727391Abstract: The invention relates to an extracorporeal blood treatment machine in which a blood circuit (3) is equipped with an inlet line leading to a filtration unit (2) and with an outlet line (3b) from the filtration unit; a fluid circuit comprises an inlet line (4a) leading to the filtration unit and an outlet line (4b) from the filtration unit so as to allow a fluid taken from a primary container (5) to circulate within the filtration unit, thus enabling the treatment of the patient's blood. There is further an infusion line (6) acting on the outlet line of the blood circuit, which is supplied by an auxiliary fluid container (7). The inlet line of the fluid circuit is equipped with at least an infusion branch (8) acting on the outlet line of the blood circuit so as to enable the intensive therapy machine to manage therapies with large exchange of fluids.Type: GrantFiled: November 13, 2007Date of Patent: June 1, 2010Assignee: Gambro Lundia ABInventors: Annalisa Delnevo, Francesco Ribolzi, Claudio Tonelli, Vincenzo Baraldi, Massimo Zaccarelli, Jacques Chevallet, Jacques Duchamp, Aziz Aberkane, Gabriel Meyssonnier, Dominique Pouchoulin
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Patent number: 7641626Abstract: The invention relates to support element (4) comprising a main body (6) having a front wall (25) and a peripheral wall (32) projecting away from the front wall. The front wall and the peripheral wall define a housing compartment (33) designed to receive a fluid distribution circuitry cooperating with a treatment unit for defining an integrated blood treatment module.Type: GrantFiled: June 6, 2007Date of Patent: January 5, 2010Assignee: Gambro Lundia ABInventors: Claudio Tonelli, Vincenzo Baraldi, Massimo Zaccarelli, Annalisa Delnevo, Francesco Ribolzi, Jacques Chevallet, Jacques Duchamp, Aziz Aberkane, Gabriel Meyssonnier, Dominique Pouchoulin
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Patent number: 7591945Abstract: The support device for bags, applicable in machines for extracorporeal blood treatment or in machines for renal failure treatment, comprises a base body (2) and a support element (3) associated to the base body in such a way as to be displaceable with respect to the base body between at least one operative loading position and an operative work position. In particular the support element is telescopically engaged to the base body and is slidable along a predetermined movement direction (4). The special configuration of the support device enables an easy loading of the machine and a subsequent optimal control of the machine stability.Type: GrantFiled: February 5, 2004Date of Patent: September 22, 2009Assignee: Gambro Lundia ABInventors: Cyril Meziere, Claudio Tonelli, Vincenzo Baraldi, Massimo Zaccarelli, Jacques Chevallet, Jean Louis Fressinet, Yves Audouard
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Patent number: 7588722Abstract: The invention relates to a blood treatment device by extracorporeal circulation comprising a filter having a primary chamber and a secondary chamber separated by a semi-permeable membrane; a blood circuit comprising an arterial line intended to come from the patient, the filter's primary chamber and the venous line intended to return to the patient; a dialysate circuit comprising the filter's secondary chamber and at least a drain line for circulating the waste intended to come from the filter and intended to go to a drain; a first bag in fluid communication with the drain line; at least a first gravimetric weighing means linked to the first bag, fluid flow rate adjustment means acting on the drain line; a control unit linked to the first gravimetric weighing means and with the fluid flow rate adjustment means; a second bag in fluid communication with the drain line, the control unit being capable of receiving weight signals from the first gravimetric weighing means and of controlling the fluid flow rate adjuType: GrantFiled: June 23, 2004Date of Patent: September 15, 2009Assignee: Gambro Lundia ABInventor: Jacques Chevallet
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Patent number: 7540958Abstract: Device for extracorporeal treatment of blood 1 intended to operate in a mode with a single needle 2, comprising: a treatment unit 3 having a first compartment 4 and a second compartment 5, which are separated by a semipermeable membrane 6, an extracorporeal blood circuit comprising a single needle 2, an intake line 7 in fluid communication with the first compartment 4 of the treatment unit 3, the first compartment 4, and a return line 8 in fluid communication with the first compartment 4 of the treatment unit 3, a purge line 9 at the outlet of the second compartment 5, a closure means (10, 11) acting on at least the intake line 7 and the return line 8 in order to generate the alternate sequence of blood intake and return, at least a first chamber 12 which is in fluid communication with the extracorporeal blood circuit and defines a first additional blood volume, the first chamber 12 having a variable total content; the first chamber 4 being rigid and including at least one wall capable of being moved, tType: GrantFiled: March 8, 2005Date of Patent: June 2, 2009Assignee: Gambro Lundia ABInventors: Jacques Chevallet, Jean-Louis Romarie, Alain Frugier
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Publication number: 20090134284Abstract: The invention concerns a medical machine (1) for transport of liquid, comprising at least one suspension means (10) intended to receive at least two bags (50) containing liquid, the suspension means having a suspension body (11), at least three fastening means (12, 13, 14) fixed to the suspension body (11), comprising at least two lateral fastening means (13, 14) and one intermediate fastening means (12), the intermediate fastening means (12) being placed between the two lateral fastening means (13, 14), and the intermediate fastening means (12) being placed vertically lower down than the lateral fastening means (13, 14). The first lateral fastening means and the intermediate fastening means are intended to receive a first bag, and the second lateral fastening means and the intermediate fastening means are intended to receive a second bag, so that the two bags are held against one another in a stable manner.Type: ApplicationFiled: July 15, 2005Publication date: May 28, 2009Applicant: GAMBRO LUNDIA ABInventors: Jacques Chevallet, Eric Dejaiffe
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Patent number: 7517387Abstract: A description is given of a gas separation device for a physiological fluid, comprising a containing body (6) having at least a first inlet aperture (7) for a physiological fluid, positioned with a tangential direction of access, at least one outlet aperture (9) for the said fluid, spaced apart from the said inlet aperture, and a guide element (17) housed within the said body. The guide element (17) has a continuous active surface (15) designed to contact and guide the said fluid and delimits, together with the containing body (6), a first annular chamber (20) into which the first inlet aperture (7) opens directly.Type: GrantFiled: May 26, 2003Date of Patent: April 14, 2009Assignee: Gambro Lundia ABInventors: Jacques Chevallet, Nicolas Semenzato, Alain Frugier, Francesco Ribolzi
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Publication number: 20090084720Abstract: A degassing device (203) comprises a first chamber (21) having an inlet for a liquid, and a second chamber (22) having an opening (23) closed by a hydrophobic membrane (24) and an outlet (25) for discharging the liquid. The first chamber (21) has a downstream portion that partially extends within the second chamber (22) and communicates therewith by a passageway (28). The second chamber (22) has a downstream portion that extends below the passageway (28) and asymmetrically surrounds the downstream portion of the first chamber (21).Type: ApplicationFiled: November 2, 2004Publication date: April 2, 2009Inventors: Jurgen Dannenmaier, Hermann Goehl, Thomas Ertl, Jacques Chevallet, Francesco Ribolzi
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Publication number: 20090008310Abstract: An integrated blood treatment module comprises a blood treatment device (1) having a housing (2) and a first end-cap (4) and a second end-cap (5) closing both ends of the housing (2). A pump hose (17) for a peristaltic pump has a first end (18) that is secured to the housing (2) and a second end (16) that is connected to a blood inlet port (15) of the first end-cap (4) so as to form a loop. A degassing device (30) is connected to the second end-cap (5). The degassing device (30), which, in use, is full of liquid, comprises a hydrophobic membrane through which bubbles and micro-bubbles escape the degassing device.Type: ApplicationFiled: November 5, 2004Publication date: January 8, 2009Inventors: Jurgen Dannenmaier, Hermann Goehl, Thomas Ertl, Jacques Chevallet, Francesco Ribolzi, Bjorn Frederik Seidler, Lennart Jonsson, Eddie Nilsson
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Patent number: 7429324Abstract: A method for in-line preparation of liquid for an extracorporeal blood treatment apparatus that makes provision for placing a filter in correspondence with each of two successive filtration stations, for carrying out a liquid preparation cycle, for removing the filter, which operates in correspondence with a first filtration station, for placing in correspondence with the first filtration station the filter that operated in correspondence with the second filtration station, for placing a new filter in correspondence with a second filtration station and for launching a new sterile liquid preparation cycle. The invention also provides a device for implementing the described method and an apparatus for extracorporeal blood treatment, which incorporates this device.Type: GrantFiled: August 22, 2006Date of Patent: September 30, 2008Assignee: Gambro Lundia ABInventors: Jacques Chevallet, Guy Mercier, Laurent Simard
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Publication number: 20080060988Abstract: The invention relates to an extracorporeal blood treatment machine in which a blood circuit (3) is equipped with an inlet line leading to a filtration unit (2) and with an outlet line (3b) from the filtration unit; a fluid circuit comprises an inlet line (4a) leading to the filtration unit and an outlet line (4b) from the filtration unit so as to allow a fluid taken from a primary container (5) to circulate within the filtration unit, thus enabling the treatment of the patient's blood. There is further an infusion line (6) acting on the outlet line of the blood circuit, which is supplied by an auxiliary fluid container (7). The inlet line of the fluid circuit is equipped with at least an infusion branch (8) acting on the outlet line of the blood circuit so as to enable the intensive therapy machine to manage therapies with large exchange of fluids.Type: ApplicationFiled: November 13, 2007Publication date: March 13, 2008Inventors: Annalisa Delnevo, Francesco Ribolzi, Claudio Tonelli, Vincenzo Baraldi, Massimo Zaccarelli, Jacques Chevallet, Jacques Duchamp, Aziz Aberkane, Gabriel Meyssonnier, Dominique Pouchoulin
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Patent number: 7314554Abstract: The invention relates to an extracorporeal blood treatment machine in which a blood circuit (3) is equipped with an inlet line leading to a filtration unit (2) and with an outlet line (3b) from the filtration unit; a fluid circuit comprises an inlet line (4a) leading to the filtration unit and an outlet line (4b) from the filtration unit so as to allow a fluid taken from a primary container (5) to circulate within the filtration unit, thus enabling the treatment of the patient's blood. There is further an infusion line (6) acting on the outlet line of the blood circuit, which is supplied by an auxiliary fluid container (7). The inlet line of the fluid circuit is equipped with at least an infusion branch (8) acting on the outlet line of the blood circuit so as to enable the intensive therapy machine to manage therapies with large exchange of fluids.Type: GrantFiled: February 5, 2004Date of Patent: January 1, 2008Assignee: Gambro Lundia ABInventors: Annalisa Delnevo, Francesco Ribolzi, Claudio Tonelli, Vincenzo Baraldi, Massimo Zaccarelli, Jacques Chevallet, Jacques Duchamp, Aziz Aberkane, Gabriel Meyssonnier, Dominique Pouchoulin