Patents by Inventor Anders Wieslander
Anders Wieslander 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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Publication number: 20160220750Abstract: A control system (23) is arranged to control the operation of an apparatus (200) for extracorporeal blood treatment. The apparatus (200) comprises an extracorporeal blood circuit (20) and a connection system (C) for connecting the blood circuit (20) to the vascular system of a patient. The blood circuit (20) comprises a blood processing device (6), and at least one pumping device (3). The control system is operable to switch between a pre-treatment mode and a blood treatment mode. The blood treatment mode involves operating the blood circuit (20) to pump blood from the vascular system via the connection system (C) through the blood processing device (6) and back to the vascular system via the connection system (C). The control system (23) is operable to obtain measurement data from at least one energy transfer sensor (40) arranged to sense a transfer of energy between the patient and the connection system (C) or between the patient and the blood circuit (20).Type: ApplicationFiled: March 14, 2016Publication date: August 4, 2016Inventors: Bo Olde, Kristian Solem, Thomas Hertz, Jan Sternby, Anders Wieslander
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Publication number: 20160220607Abstract: The present invention relates to a medical solution. According to the invention the ready-for-use solution comprises phosphate in a concentration of 1.0-2.8 mM, is sterile and has a pH of 6.5-7.6. The present invention further relates to a method for producing the medical solution and the use thereof.Type: ApplicationFiled: March 1, 2016Publication date: August 4, 2016Inventors: Ola Carlsson, Malin Ernebrant, Gunita Forsback, Anders Wieslander, Therese Svensson
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Publication number: 20160106778Abstract: The present invention concerns a multipart fluid system for dialysis therapy, wherein the multipart fluid system comprises an anticoagulation fluid and at least one treatment fluid from the group consisting of dialysis fluid and infusion fluids. According to the invention the anticoagulation fluid comprises 15-40 mM citrate; and the at least one treatment fluid comprises 1.5-8 mM citrate and ?10 mM bicarbonate. The present invention further concerns a system for citrate anticoagulation in an extracorporeal blood circuit.Type: ApplicationFiled: April 30, 2014Publication date: April 21, 2016Applicant: Gambro Lundia ABInventors: Petra Åhl, Gabriela Godaly, Jan Sternby, Anders Wieslander
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Patent number: 9289545Abstract: A control system (23) is arranged to control the operation of an apparatus (200) for extracorporeal blood treatment. The apparatus (200) comprises an extracorporeal blood circuit (20) and a connection system (C) for connecting the blood circuit (20) to the vascular system of a patient. The blood circuit (20) comprises a blood processing device (6), and at least one pumping device (3). The control system is operable to switch between a pre-treatment mode and a blood treatment mode. The blood treatment mode involves operating the blood circuit (20) to pump blood from the vascular system via the connection system (C) through the blood processing device (6) and back to the vascular system via the connection system (C). The control system (23) is operable to obtain measurement data from at least one energy transfer sensor (40) arranged to sense a transfer of energy between the patient and the connection system (C) or between the patient and the blood circuit (20).Type: GrantFiled: December 22, 2010Date of Patent: March 22, 2016Assignee: Gambro Lundia ABInventors: Bo Olde, Kristian Solem, Thomas Hertz, Jan Sternby, Anders Wieslander
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Publication number: 20160045658Abstract: The present invention concerns a multipart fluid system for dialysis therapy, wherein the multipart fluid system comprises an anticoagulation fluid and at least one treatment fluid from the group consisting of dialysis fluid and infusion fluids. According to the invention the anticoagulation fluid comprises 10-40 mM citrate, and 0.1-2.0 mM phosphate; and the at least one treatment fluid comprises 0-5 mM total calcium, 0-8 mM citrate, and 0.1-2.0 mM phosphate; with provisos that the at least one treatment fluid comprises citrate when total calcium concentration is 0 mM; and the at least one treatment fluid comprises calcium when the citrate concentration is 0 mM. The present invention further concerns a system for regional citrate anticoagulation in an extracorporeal blood circuit.Type: ApplicationFiled: April 30, 2014Publication date: February 18, 2016Inventors: Petra Åhl, Gabriela Godaly, Anders Nilsson, Jan Sternby, Anders Wieslander
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Publication number: 20160038540Abstract: The present invention concerns an anticoagulation fluid comprising 10-40 m M citrate and 0.1-4 m M phosphate. The anticoagulation fluid is to be used for regional citrate anticoagulation in an extracorporeal blood circuit. The anticoagulation fluid may be combined with at least one treatment fluid in the dialysis treatment, and it may be included in a system for regional citrate anticoagulation in an extracorporeal blood circuit.Type: ApplicationFiled: April 30, 2014Publication date: February 11, 2016Inventors: Jan STERNBY, Anders WIESLANDER
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Publication number: 20160038522Abstract: Method for preparing a medical solution, comprising the steps of a) providing a solution comprising one or more acetylated or deacetylated amino sugar/sugars in at least one compartment of a container at a pH from 2.5 to 5.0, and b) terminal sterilisation of said at least one compartment and the contents therein, is disclosed, as well as a solution used for preparing the medical solution, a container containing said solution, and use of said solution for the manufacture of a medicament for peritoneal dialysis.Type: ApplicationFiled: March 24, 2015Publication date: February 11, 2016Inventors: Ola CARLSSON, Tobjoern LINDEN, Anders WIESLANDER
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Publication number: 20150313858Abstract: The present invention relates to an acid concentrate dialysis composition an acid concentrate dialysis composition comprising a mixture of citric acid and citrate, having pH of less than 3.0, wherein the total concentration of citrate is between 35 mM and 450 mM, and wherein the amount of citric acid is more than 50% of the total concentration of citrate. The acid concentrate dialysis composition is to be combined to form a dialysis solution having a total concentration of citrate of between 1 and 6 mM.Type: ApplicationFiled: December 18, 2013Publication date: November 5, 2015Inventors: Gunita Forsbäck, Viktoria Hancock, Anders Wieslander, Torbjörn Linden
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Patent number: 9161980Abstract: The present invention relates to a medical solution, a method for producing said medical solution, a multi-compartment bag containing the medical solution as well as use of said medical solution. According to the invention the medical solution comprises a first single solution comprising bicarbonate and carbonate in such proportions that the partial pressure of carbon dioxide, CO2, in the first single solution is of the same order of magnitude as the partial pressure of carbon dioxide, CO2, of the atmosphere. The medical solution further comprises a second single solution comprising an acid. Said first and second single solutions are, after terminal sterilization and up on use, to be mixed to form a final solution. Said second single solution has a pH of 1.0-1.5, and said final solution has a pH of 7.0-7.6.Type: GrantFiled: February 22, 2005Date of Patent: October 20, 2015Assignee: Gambro Lundia ABInventors: Malin Ernebrant, Gert-Inge Bertinsson, Torbjörn Linden, Lars-Fride Olsson, Theodor Sandström, Therese Svensson, Anders Wieslander
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Patent number: 9138380Abstract: A package has a transport/storage state for storing powdery material which is to be mixed with a solvent to form a medical solution. The package includes a compartment which is at least partially defined by two opposing wall portions, and a connector. In the transport/storage state, the compartment contains the powdery material in the form of at least two distinct sets of powdery material of different compositions, where the opposing wall portions are brought into engagement with the powdery material so as to immobilize the sets of powdery material. When used for preparation of the medical solution, a fluid is selectively admitted into the package via the connector so as to expand the compartment and enable mixing of the sets of powdery material with the solvent in the compartment.Type: GrantFiled: June 20, 2011Date of Patent: September 22, 2015Assignee: Gambro Lundia ABInventors: Olof Jansson, Lennart Jonsson, Torbjorn Linden, Jan Sternby, Ragnar Tryggvason, Anders Wieslander
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Publication number: 20150024068Abstract: Dialysis fluid compositions including 0.5 to 3 mM citrate, 1 to 5 mM total calcium, and 0 to 1.5 mM total magnesium. These dialysis fluid compositions include 0.10 to 0.2 mM more total calcium per 1 mM citrate within the dialysis fluid as compared to the calcium concentration ordinarily prescribed for a non-citrate containing dialysis fluid.Type: ApplicationFiled: March 5, 2013Publication date: January 22, 2015Inventors: Anders Nilsson, Jan Sternby, Anders Wieslander
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Publication number: 20140377376Abstract: The present invention concerns a dialysis acid precursor composition for use during preparation of a dialysis acid concentrate solution and for mixing with water, a sodium containing concentrate, and a bicarbonate containing concentrate into a ready-for-use dialysis solution. Said dialysis acid precursor composition consists of powder components comprising glucose, at least one dry acid and at least one calcium salt, and optionally potassium salt, and magnesium salt. According to the invention said glucose and said at least one calcium salt, are present as anhydrous components in said dialysis acid precursor composition.Type: ApplicationFiled: June 11, 2012Publication date: December 25, 2014Applicant: Gambro Lundia ABInventors: Olof Jansson, Torbjorn Linden, Anders Wieslander
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Publication number: 20140248600Abstract: A blood treatment apparatus adapted to preserve a blood treatment unit between blood treatment sessions. The blood treatment apparatus is configured to i) perform a blood treatment session and thereby use the blood treatment unit, ii) fill the blood treatment unit with a preservation fluid comprising at least one treatment fluid concentrate of a type that is used to prepare the treatment fluid, iii) maintain the preservation fluid in the blood treatment unit until a next blood treatment session is prepared, iv) dispatch the preservation fluid from the blood treatment unit in preparation of a next blood treatment session, and v) perform a next blood treatment session and thereby extend the use of the blood treatment unit. A related method is also described.Type: ApplicationFiled: May 23, 2012Publication date: September 4, 2014Applicant: Gambro Lundia ABInventors: Thomas Hertz, Mattias Holmer, Lennart Jonsson, Anders Wieslander, Helena Jeppsson
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Publication number: 20140225033Abstract: The present invention concerns a dialysis acid precursor composition for use during preparation of a dialysis acid concentrate solution and for mixing with water and a bicarbonate containing concentrate into a ready-for-use dialysis solution. Said dialysis acid precursor composition consists of powder components comprising sodium chloride, at least one dry acid and at least one calcium salt, and optionally potassium salt, magnesium salt, and glucose. According to the invention said at least one calcium salt and said optional glucose, are present as anhydrous components in said dialysis acid precursor composition.Type: ApplicationFiled: June 11, 2012Publication date: August 14, 2014Applicant: Gambro Lundia ABInventors: Olof Jansson, Torbjorn Linden, Anders Wieslander
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Publication number: 20130228516Abstract: An ambulatory ultrafiltration device includes a blood filter that has a blood side or fluid communication with the vascular system of the subject, an ultrafiltrate side, and a semipermeable membrane disposed between the blood side and the ultrafiltrate side. The ambulatory ultrafiltration also includes a buffer vessel in fluid communication with the blood side of the blood filter, and a blood pump. The blood pump is controlled to alternate between a withdrawal phase and a return phase. In the withdrawal phase, blood is withdrawn on a blood path from the subject via the blood filter to the buffer vessel. In the return phase, blood is returned from the buffer vessel to the subject on the blood path. The blood filter is arranged to remove ultrafiltrate from the blood during at least one of the withdrawal and return phases.Type: ApplicationFiled: June 16, 2011Publication date: September 5, 2013Applicant: Gambro Lundia ABInventors: Lennart Jonsson, Jan Sternby, Anders Wieslander
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Publication number: 20130190681Abstract: A package has a transport/storage state for storing powdery material which is to be mixed with a solvent to form a medical solution. The package includes a compartment which is at least partially defined by two opposing wall portions, and a connector. In the transport/storage state, the compartment contains the powdery material in the form of at least two distinct sets of powdery material of different compositions, where the opposing wall portions are brought into engagement with the powdery material so as to immobilize the sets of powdery material. When used for preparation of the medical solution, a fluid is selectively admitted into the package via the connector so as to expand the compartment and enable mixing of the sets of powdery material with the solvent in the compartment.Type: ApplicationFiled: June 20, 2011Publication date: July 25, 2013Applicant: GAMBRO LUNDIA ABInventors: Olof Jansson, Lennart Jonsson, Torbjorn Linden, Jan Sternby, Ragnar Tryggvason, Anders Wieslander
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Publication number: 20130189376Abstract: The present invention concerns a dialysis acid precursor composition for use during preparation of a dialysis acid concentrate solution and for mixing with water, a sodium containing concentrate, and a bicarbonate containing concentrate into a ready-for-use dialysis solution. Said dialysis acid precursor composition consists of powder components comprising glucose, at least one dry acid and at least one magnesium salt, and optionally potassium salt, and calcium salt. According to the invention said glucose and said at least one magnesium salt, are present as anhydrous components in said dialysis acid precursor composition.Type: ApplicationFiled: June 20, 2011Publication date: July 25, 2013Applicant: Gambro Lundia ABInventors: Ola Carlsson, Lennart Jonsson, Torbjorn Linden, Anders Wieslander
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Publication number: 20130183389Abstract: The present invention concerns a dialysis acid precursor composition for use during preparation of a dialysis acid concentrate solution and for mixing with water and a bicarbonate containing concentrate into a ready-for-use dialysis solution. Said dialysis acid precursor composition consist of powder components comprising sodium chloride, at least one dry acid and at least one magnesium salt, and optionally potassium salt, calcium salt, and glucose. According to the invention said at least one magnesium salt and said optional glucose, are present as anhydrous components in said dialysis acid precursor composition.Type: ApplicationFiled: June 20, 2011Publication date: July 18, 2013Applicant: Gambro Lundia ABInventors: Ola Carlsson, Torbjorn Linden, Lennart Jonsson, Anders Wieslander
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Publication number: 20130172803Abstract: A control system (23) is arranged to control the operation of an apparatus (200) for extracorporeal blood treatment. The apparatus (200) comprises an extracorporeal blood circuit (20) and a connection system (C) for connecting the blood circuit (20) to the vascular system of a patient. The blood circuit (20) comprises a blood processing device (6), and at least one pumping device (3). The control system is operable to switch between a pre-treatment mode and a blood treatment mode. The blood treatment mode involves operating the blood circuit (20) to pump blood from the vascular system via the connection system (C) through the blood processing device (6) and back to the vascular system via the connection system (C). The control system (23) is operable to obtain measurement data from at least one energy transfer sensor (40) arranged to sense a transfer of energy between the patient and the connection system (C) or between the patient and the blood circuit (20).Type: ApplicationFiled: December 22, 2010Publication date: July 4, 2013Applicant: Gambro Lundia ABInventors: Bo Olde, Kristian Solem, Thomas Hertz, Jan Sternby, Anders Wieslander
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Patent number: 8367731Abstract: The present invention concerns a peritoneal dialysis fluid with enhanced ultrafiltration during the dialysis dwell period. According to the present invention this is achieved by a peritoneal dialysis fluid comprising sodium ions, osmotic agent and a buffer, characterised in that it comprises citrate at a level of 4 to 10 mM in a final solution ready for use.Type: GrantFiled: May 3, 2006Date of Patent: February 5, 2013Assignee: Fresenius Medical Care Deutschland GmbHInventors: Anders Wieslander, Ola Carlsson, Magnus Braide, Per Kjellstrand