Patents by Inventor Lars-Magnus Bjursten
Lars-Magnus Bjursten 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: 9820559Abstract: The present invention describes a cleaning device used for cleaning an implant or for the debridement of an implant surface 1 comprising two combined main parts 2, 3, the first main part 2 being a handle shaft 2 which is stiff, plastic deformable or elastic deformable, the second main part 3 being at least one cleaning element 4 comprising a base part 5 and several bristles 6, bristle loops 7 or a cam 8 of spikes 9, wherein the base part 5 is joined together with the handle shaft 2 so as to form a cleaning device 1 with a handle.Type: GrantFiled: June 1, 2011Date of Patent: November 21, 2017Assignee: Tigran Technologies AB (PUBL)Inventors: Robert Axelsson, Lars Magnus Bjursten, Niklas Johansson, Erik Lennings, Janarne Wetterheim, Christer Nilsson, Ove Sundelin, Rickard Olsson
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Patent number: 9757210Abstract: A dental implant unit includes a layer of synthetically created titanium dioxide. The dental implant unit has one end for connection and a lateral surface covering the implant unit except for the end for connection. The lateral surface includes a layer of synthetically created titanium dioxide while the end for connection is free from synthetically created titanium dioxide. Also, a method produces a whitened implantable dental unit. The method includes thermal oxidation of a dental implant unit that includes titanium.Type: GrantFiled: December 20, 2013Date of Patent: September 12, 2017Assignee: Tigran Technologies AB (Publ)Inventors: Niklas Axén, Lars Magnus Bjursten, Sven-Erik Nilsson, Jöns Gunnar Hilborn
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Publication number: 20150351874Abstract: A dental implant unit includes a layer of synthetically created titanium dioxide. The dental implant unit has one end for connection and a lateral surface covering the implant unit except for the end for connection. The lateral surface includes a layer of synthetically created titanium dioxide while the end for connection is free from synthetically created titanium dioxide. Also, a method produces a whitened implantable dental unit. The method includes thermal oxidation of a dental implant unit that includes titanium.Type: ApplicationFiled: December 20, 2013Publication date: December 10, 2015Inventors: Niklas AXÉN, Lars Magnus BJURSTEN, Sven-Erik NILSSON, Jöns Gunnar HILBORN
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Publication number: 20150139913Abstract: The present invention describes particles of titanium, titanium alloy, at least one type of titanium oxide or a combination thereof, wherein at least a substantial amount of the particles are of micrometer-millimeter size and are non-spherical, for use as an X-ray contrast agent. The irregular shapes and/or internal pores and cavities of said particles lead to a prolonged retention time in the gastrointestinal tract leading to a longer time period available for X-ray examination. Further, the particles are not only chemically inert, they also exhibit an anti-inflammatory and anti-bacterial effect on the surrounding tissue.Type: ApplicationFiled: May 29, 2013Publication date: May 21, 2015Applicant: Migrata U.K. LimitedInventors: Lars-Magnus Bjursten, Sven-Erik Nilsson
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Publication number: 20150140100Abstract: The present invention describes a medical device comprising a set of particles of titanium oxide, wherein at least a substantial amount of the particles are of micrometer—millimeter size, and wherein at least 10 wt % of the titanium oxide is in the amorphous form.Type: ApplicationFiled: May 29, 2013Publication date: May 21, 2015Inventors: Lars-Magnus Bjursten, Sven-Erik Nilsson
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Patent number: 8821586Abstract: An implant with anti-inflammatory or antibacterial effects, or both, for implantation in a human or animal body, the implant having a set of porous grains or granules, wherein at least a plurality of the porous grains or granules include titanium, one or more titanium oxides or titanium alloy and have a titanium oxide layer on their surface and have a mean length from one side to the opposite side, through a geometrical center, of at least 200 ?m and up to 5 mm and a mean specific surface area of at least 0.15 m2/g according to the BET method. Also featured is a population of grains or granules having anti-inflammatory or antibacterial effects, or both. Further featured is a method of producing an implant, a method for deriving a population of grains or granules, and a method for treating a condition with a porous grain or granule.Type: GrantFiled: February 21, 2008Date of Patent: September 2, 2014Assignee: Tigran Technologies ABInventors: Lars Magnus Bjursten, Bengt Mjöberg, Niklas Axén
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Publication number: 20130236853Abstract: The present invention describes a sheet 1 intended for retaining a granular material inserted or implanted in a human or animal body, said sheet 1: being made of a plastic deformable and non-toxic material chosen from the group consisting of a metal, metal alloy, a polymeric material or a non-woven fabric; comprising a matrix 2 and several holes 3, each hole 3 having a smallest dimension from one side of the hole 3 to another side of the hole 3, through a geometrical centre of the hole 3, of at least 50 ?m and of maximum 2 mm; being stretchable in both a longitudinal 4 and transversal 5 direction of the sheet 1; and being 3D ductile.Type: ApplicationFiled: May 24, 2011Publication date: September 12, 2013Applicant: TIGRAN TECHNOLOGIES AB (PUBL)Inventors: Robert Axelsson, Lars Magnus Bjursten, Niklas Johansson, Erik Lennings
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Publication number: 20130139850Abstract: The present invention describes a cleaning device used for cleaning an implant or for the debridement of an implant surface 1 comprising two combined main parts 2, 3, the first main part 2 being a handle shaft 2 which is stiff, plastic deformable or elastic deformable, the second main part 3 being at least 11 one cleaning element 4 comprising a base part 5 and several bristles 6, bristle loops 7 or a cam 8 of spikes 9, wherein the base part 5 is joined together with the handle shaft 2 so as to form a cleaning device 1 with a handle.Type: ApplicationFiled: June 1, 2011Publication date: June 6, 2013Applicant: Tigran Technologies AB (publ)Inventors: Robert Axelsson, Lars Magnus Bjursten, NIklas Johansson, Erik Lennings, Janarne Wetterheim, Christer Nilsson, Ove Sundelin, Rickard OLsson
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Publication number: 20120310357Abstract: The present invention provides a porous block for implantation in the maxillofacial area of a human or animal, wherein the porous block:—comprises titanium metal and/or a titanium alloy;—has a porosity of at least 40%;—is a geometrical structure shaped to fit at least a part of a degraded alveolar process of the human or animal; and—as an intended bone contacting surface intended to be in contact with the bone surface of an implantation site in the maxillofacial area of the human or animal, wherein said bone contacting surface has pores extending through the porous block and wherein at least some of these pores have a pore diameter size of at least 50 ?m to ensure bone ingrowth; and wherein—the porous block is a geometrical structure having a width, a height and a length, said intended bone contacting surface being defined by the width and the length, wherein the average value of the width is in the range of 5-10 mm, the average value of the height is in the range of 3-10 mm and the average value of the lengtType: ApplicationFiled: December 16, 2010Publication date: December 6, 2012Inventors: Lars Magnus Bjursten, Bengt Mjöberg
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Publication number: 20100324564Abstract: A method is provided for treatment of a condition including at least one weakened vertebra or one compression fracture of a vertebra, wherein in at least one embodiment, the vertebra is injected by vertebroplasty or kyphoplasty with particles, grains or granules or a mixture thereof, or an implant suspension including at least one resorbable fluid vehicle and particles, grains or granules or a mixture thereof, wherein the particles, grains or granules individually have a mean length from one side to the opposite side, through a geometrical centre, of up to 5 mm. Moreover, at least one embodiment of the present invention also provides use of the particular or granular material disclosed above, for the manufacture of a medicament for the vertebroplastic treatment or kyphoplastic treatment of a condition including at least one weakened vertebra or one compression fracture of a vertebra.Type: ApplicationFiled: November 5, 2008Publication date: December 23, 2010Inventors: Lars Magnus Bjursten, Bengt Mjoberg
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Publication number: 20100104648Abstract: The present invention refers to a method for treatment of an inflammatory and/or bacterial condition, wherein particles of microstructure comprising titanium, titanium alloy, at least one titanium oxide or a combination thereof, and having a surface with at least a substantial part consisting of at least one type of titanium oxide, are brought into contact with at least one infected site in a human or animal body by insertion, injection or implantation, which at least one infected site exhibits the inflammatory and/or bacterial condition. Moreover, the present invention refers to an injectable suspension comprising the particles according to the invention and a fluid vehicle for use as a medicament. Finally, the present invention also defines use of the particles of microstructure according to the invention for the manufacture of a medicament in the form of an injectable suspension.Type: ApplicationFiled: November 6, 2007Publication date: April 29, 2010Applicant: Tigran Technologies ABInventors: Lars Magnus Bjursten, Bengt Mjoberg
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Publication number: 20080294271Abstract: The present invention is related to an implant with anti-inflammatory or antibacterial effects, or both, the implant being intended for implantation in a human or an animal body, the implant comprising at least one porous grain or granule, wherein the at least one porous grain or granule comprises titanium, one or more titanium oxides or titanium alloy and has a titanium oxide layer on its surface; has a mean length from one side to the opposite side, through a geometrical centre, of up to 5 mm; has a mean specific surface area of at least 0.15 m2/g according to the BET method. Moreover, disclosed is also a method for treating a condition comprising an inflammation or/and an infection present in a human or animal body with implants according to the invention.Type: ApplicationFiled: February 21, 2008Publication date: November 27, 2008Inventors: Lars Magnus Bjursten, Bengt Mjoberg, Niklas Axen
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Publication number: 20080195228Abstract: An apparatus for operation into the intestine of humans and animals includes a flexible, double-walled tube. The outer wall of the tube is porous for the inward growth of blood vessels, while its inner wall is tight for a barrier effect against the contents of the intestine. A degradable, support structure is advantageously disposed inside the inner wall of the tube.Type: ApplicationFiled: March 28, 2006Publication date: August 14, 2008Applicant: Sinova Safetech Innovation ABInventors: Jorgen Uno, Lars Magnus Bjursten, Zhongquan Qi
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Publication number: 20080188857Abstract: In a method and a device for improving the fixing of an elongate prosthesis in a bone cavity, said fixing being provided by a bed in which the prosthesis has been driven down by vibration, a ring of a flexible, essentially plastic material is arranged around the proximal part of the prosthesis so that the ring fills the space between the bone wall and the prosthesis, whereupon the ring is compacted and compressed, after which strokes are made on the prosthesis in its longitudinal direction for final fixing thereof in the bed. The ring significantly improves the strength of the prosthesis in the bed.Type: ApplicationFiled: September 21, 2005Publication date: August 7, 2008Inventors: Lars Bruce, Bengt Mjoberg, Lars Magnus Bjursten
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Publication number: 20080119944Abstract: A method and an insertion unit for inserting an elongate prosthesis into a prosthesis fixing device. This device comprises a bed of grains and biocompatible material, and a vibrating tool is used for insertion, the vibration head of which performs an oscillating motion back and forth about a swivelling axis (3?). According to the invention, said axis (3r) of the vibrating tool essentially coincides with the longitudinal axis (I1) of the elongate prosthesis (1). The method and the insertion unit provide a prosthesis fixing device consisting of said bed, in which the grains are evenly packed along the length of the prosthesis.Type: ApplicationFiled: September 21, 2005Publication date: May 22, 2008Inventors: Lars Bruce, Bengt Mjoberg, Lars Magnus Bjursten
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Patent number: 5152993Abstract: A method of preparing an implant body in order to optimize the healing time of said implant, comprising bringing the implant body for a limited period of time into contact with a hydrogen peroxide solution at least on the surfaces intended to come into contact with surrounding tissue when implanted, the treated surfaces being cleaned by rinsing. The treatment of the implant surface with hydrogen peroxide can be supplemented with incorporation of biomolecules, such as peptides, proteins and steroids, and also other substances such as inorganic ions and crystals. The compounds to be coupled to the implant surface may promote the healing and/or binding of the surrounding tissue.Type: GrantFiled: July 18, 1990Date of Patent: October 6, 1992Assignee: Ellem Bioteknik ABInventors: Lars-Magnus Bjursten, Pentti Tengvall, Ingemar Lundstrom
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Patent number: 5045318Abstract: The reaction product of H.sub.2 O.sub.2 and metallic titanium, a titanium peroxy radical gel, exhibits oxidizing and anti-inflammatory effects and is used, for instance, as a biocompatible oxidant, an anti-inflammatory agent or in vitro coating of an implant body. The gel-like product is produced by treating metallic titanium with H.sub.2 O.sub.2.Type: GrantFiled: September 19, 1989Date of Patent: September 3, 1991Assignee: The Institute for Applied BiotechnologyInventors: Pentti Tengvall, Lars-Magnus Bjursten, Ingemar Lundstrom
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Patent number: 4781694Abstract: The present invention relates to a device for providing a permanent pathway between the abdominal cavity and/or organ located in the abdominal cavity and the exterior of the body. The device is made of commercially pure titanium or at least coated with titanium on the surfaces which directly contact the abdominal wall tissue. The device comprises a first anchorage portion, designed for implantation into the connective tissue of the abdomen during the first operation, a covering screw with plug for blocking of the central opening in the anchorage portion during the healing phase and a skin penetration portion in the form of a titanium tube for connection to the anchorage portion during the second operation after prior removal of the covering screw with plug.Type: GrantFiled: February 26, 1986Date of Patent: November 1, 1988Inventors: Per-Ingvar Branemark, Jarl Almen, Lars-Magnus Bjursten, Peter Thomsen, Lars E. Ericsson