Patents by Inventor Claus Harder
Claus Harder 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: 20190008666Abstract: Device, system and method for fabricating a stent, the device including a reservoir that provides a supply of particles; an appliance having a high pressure generator that generates a particle beam from the supply of particles; a transport conduit that transports the particle beam; and a nozzle connected to the transport conduit that jets the particle beam outward from the device, where the nozzle is configured for insertion into a stent.Type: ApplicationFiled: September 13, 2018Publication date: January 10, 2019Inventor: Claus Harder
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Patent number: 10098766Abstract: Stent, as well as a method and device for fabricating the stent, wherein the stent has a tubular lattice structure comprising individual struts and at least one strut of which at least one longitudinal section runs with at least one directional component in the radial circumferential direction of the stent, wherein the surface of the longitudinal section facing the outside of the stent is curved only about the longitudinal axis of the stent. According to the invention, the surface of longitudinal section of the strut, which surface faces the inside of the stent, has such a curvature that the strut cross section is fluidically optimized.Type: GrantFiled: July 27, 2009Date of Patent: October 16, 2018Assignee: BIOTRONIK AGInventor: Claus Harder
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Patent number: 10016775Abstract: A device for coating a stent, including a holder for the stent, a spraying unit comprising a spray mandrel and an air nozzle. The spray mandrel, the air nozzle and the holder are configured and disposed relative to each other such that the spray mandrel projects from one side into the stent during coating and the air nozzle projects into the stent from the opposing side. A method for coating a stent employs the device. Stents that can be obtained according to the method.Type: GrantFiled: January 19, 2013Date of Patent: July 10, 2018Assignee: CORTRONIK GMBHInventors: Katrin Sternberg, Heyo K. Kroemer, Klaus-Peter Schmitz, Werner Weitschies, Niels Grabow, Claus Harder, Peter Littwin, Dailbor Bajer
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Patent number: 9480585Abstract: The invention concerns an endovascular implant comprising a biodegradable material and having a tubular main body which is open at the ends and which is dilatable from an unexpanded condition into an expanded condition. The implant is so designed that when the implant in the expanded condition is subjected to a radially acting compression pressure in the range of between 5 and 30 kPa (0.05-0.3 bar) a cross-sectional area of the implant is reduced to 70% or less of the original cross-sectional area, or an internal volume of the implant is reduced to 70% or less of the original internal volume.Type: GrantFiled: September 9, 2005Date of Patent: November 1, 2016Assignee: BIOTRONIK VI PATENT AGInventors: Bodo Gerold, Claus Harder, Bernd Heublein, Eva Heublein, Nora Heublein, Christoph Heublein, Heinz Mueller
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Patent number: 9452243Abstract: The invention relates to an implant comprising an active-agent-containing coating which covers the implant at least in sections. The coating is composed of at least two subsections; a first subsection contains the at least one active substance, and a second subsection contains an auxiliary agent.Type: GrantFiled: November 29, 2011Date of Patent: September 27, 2016Assignee: BIOTRONIK AGInventors: Matthias Gratz, Alexander Borck, Alexander Rzany, Robert Schmiedl, Matthias Fringes, Claus Harder
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Patent number: 9095642Abstract: An implant for releasing an active substance into a vessel through which a body medium flows. The implant release an active substance into a vessel through which a body medium flows downstream from the location of the implant. A base of a biodegradable material is a carrier of the active substance to be released. The body medium flows past the implant and the active substance is release. The implant is configured so that the active substance does not contact a vessel wall at the location of implant.Type: GrantFiled: February 4, 2005Date of Patent: August 4, 2015Assignee: BIOTRONIK VI Patent AGInventors: Claus Harder, Roland Rohde, Erhard Flach, Wolfgang Geistert, Gernot Kolberg, Heinz Müller, Eva Heublein, Nora Heublein, Christoph Heublein
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Patent number: 9095435Abstract: The invention relates to an implantation device (10a-d) comprising at least one medical implant (12a-d) and at least one implantation aid (14a-d) comprising at least one expansion element (16a-d). It is provided that the expansion element (16a-d) can be inserted into at least one cavity (18a-d) of the implant (12a-d), and the at least one cavity (18a-d) can be expanded using the expansion element (16a-d), and, in the end state, the expansion element (16a-d) is disposed at least partially in the at least one cavity (18a-d), wherein the expansion element (16a-d) is designed as a solid body (20a-d).Type: GrantFiled: February 2, 2012Date of Patent: August 4, 2015Assignee: BIOTRONIK AGInventors: Alexander Rzany, Matthias Fringes, Alexander Borck, Robert Schmiedl, Claus Harder
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Publication number: 20150209813Abstract: The invention relates to a device for coating a stent, comprising a holder for the stent, a spraying unit comprising a spray mandrel and an air nozzle. The spray mandrel, the air nozzle and the holder are designed and disposed relative to each other such that the spray mandrel projects from one side into the stent during coating and the air nozzle projects into the stent from the opposing side. The invention further provides a method for coating a stent which employs the device according to the invention. Finally, the invention relates to stents that can be obtained according to the method.Type: ApplicationFiled: January 19, 2013Publication date: July 30, 2015Applicant: CORTRONIK GMBHInventors: Katrin Sternberg, Heyo K. Kroemer, Klaus-Peter Schmitz, Werner Weitschies, Niels Grabow, Claus Harder, Peter Littwin, Dailbor Bajer
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Patent number: 9017398Abstract: A drug-eluting stent, comprising a base body that is made of an implant material, the base body being partially or entirely covered on the abluminal side with an active ingredient-releasing coating that comprises or is made of a polymer and an active ingredient having an antiproliferative effect, characterized in that the stent's luminal surface and the abluminal surface carrying the active ingredient-releasing coating are covered by a biocorrodible protective layer in a form-fitting manner.Type: GrantFiled: July 7, 2011Date of Patent: April 28, 2015Assignee: Biotronik AGInventors: Bjoern Klocke, Claus Harder, Alexander Borck
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Patent number: 8871829Abstract: A radio-opaque marker for medical implants comprising between 10 and 90 weight percent of a biodegradable base component, between 10 and 90 weight percent of one or more radio-opaque elements selected from the consisting of I, Au, Ta, Y, Nb, Mo, Ru, Rh, Ba, La, Ce, Pr, Nd, Sm, Eu, Gd, Tb, Dy, Ho, Er, Tm, Yb, Lu, Hf, Ta, W, Re, Os, Ir and Bi as a marker component and 10 weight percent of residual components, the aforementioned components amounting to 100 weight percent.Type: GrantFiled: September 7, 2004Date of Patent: October 28, 2014Assignee: BIOTRONIK VI Patent AGInventors: Bodo Gerold, Claus Harder, Heinz Müller, Eva Heublein, Nora Heublein, Christoph Heublein
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Patent number: 8840736Abstract: An endoprosthesis, in particular an intraluminal endoprosthesis such as a stent, includes a carrier structure, which includes at least one component containing a magnesium alloy of the following composition: Magnesium: between about 60.0 and about 88.0% by weight Rare earth metals: between about 2.0 and about 30.0% by weight Yttrium: between about 2.0% and about 20.0% by weight Zirconium: between about 0.5% and about 5.0% by weight Balance: between 0 and about 10.0% by weight wherein the alloy components add up to 100% by weight.Type: GrantFiled: September 7, 2005Date of Patent: September 23, 2014Assignee: Biotronik VI Patent AGInventors: Claus Harder, Marc Kuttler, Bodo Gerold
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Patent number: 8721712Abstract: An agent depot for mechanical connection to a surface of an endovascular implantable body, comprising one or more polymers, one or more bioactive agents, the agent depot being mechanically connectable to the implantable body by a force fit or an adhesive.Type: GrantFiled: March 28, 2011Date of Patent: May 13, 2014Assignee: Biotronik VI Patent AGInventors: Bjoern Klocke, Tobias Diener, Matthias Fringes, Claus Harder
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Patent number: 8641477Abstract: Stent, as well as a method and device for fabricating the stent, wherein the stent has a tubular lattice structure comprising individual struts and at least one strut of which at least one longitudinal section runs with at least one directional component in the radial circumferential direction of the stent, wherein the surface of the longitudinal section facing the outside of the stent is curved only about the longitudinal axis of the stent. According to the invention, the surface of longitudinal section of the strut, which surface faces the inside of the stent, has such a curvature that the strut cross section is fluidically optimized.Type: GrantFiled: April 26, 2012Date of Patent: February 4, 2014Assignee: BIOTRONIK VI Patent AGInventor: Claus Harder
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Publication number: 20140030310Abstract: The present invention relates to a method for manufacturing an implant, in particular an intraluminal endoprosthesis, having a body containing metallic material, preferably iron. The following manufacturing method is provided for promotion of the anti-inflammatory effect of the implant: (i) providing the body of the implant; (ii) producing an at least partially closed pore structure in a portion of the structure of the implant body close to the surface; and (iii) incorporating NOx into the cavities of the pore structure. Also described is an implant manufactured in this manner.Type: ApplicationFiled: September 30, 2013Publication date: January 30, 2014Applicant: BIOTRONIK VI Patent AGInventors: Ullrich Bayer, Claus Harder, Elisabeta Burean
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Patent number: 8623073Abstract: A stent comprising a degradable metal stent main body; a partition layer which is applied to the surface of the stent main body so that at least parts of the surface of the luminal side are not covered; and an agent-containing layer which is applied to the surface of the partition layer at least partially on the abluminal side of the stent main body and comprises one or more agents and possibly one or more polymers.Type: GrantFiled: July 24, 2008Date of Patent: January 7, 2014Assignee: BIOTRONIK VI Patent AGInventors: Bjoern Klocke, Tobias Diener, Matthias Fringes, Claus Harder
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Patent number: 8574616Abstract: The present invention relates to a method for manufacturing an implant, in particular an intraluminal endoprosthesis, having a body containing metallic material, preferably iron. The following manufacturing method is provided for promotion of the anti-inflammatory effect of the implant: (i) providing the body of the implant; (ii) producing an at least partially closed pore structure in a portion of the structure of the implant body close to the surface; and (iii) incorporating NOX into the cavities of the pore structure. Also described is an implant manufactured in this manner.Type: GrantFiled: June 2, 2010Date of Patent: November 5, 2013Assignee: BIOTRONIK VI Patent AGInventors: Ullrich Bayer, Claus Harder, Elisabeta Burean
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Patent number: 8425835Abstract: An endoprosthesis includes a carrier structure which contains a metallic material. The metallic material contains a magnesium alloy of the following composition: magnesium: >90%, yttrium: 3.7%-5.5%, rare earths: 1.5%-4.4% and balance: <1%.Type: GrantFiled: November 11, 2003Date of Patent: April 23, 2013Assignee: Biotronik VI Patent AGInventors: Claus Harder, Bodo Gerold, Heinz Mueller, Bernd Heublein
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Patent number: 8257729Abstract: An implant for implantation in a human or animal body having a structure comprising a) an implant base body; b) a primer layer which is partially or completely applied to the surface of the implant; c) an active ingredient layer consisting of one, two, three or more active ingredients applied entirely or partially to the surface of the primer layer; and d) a diffusion-controlling layer which is applied partially or entirely to the active ingredient layer, and optionally to the primer layer, wherein diffusion of the active ingredients of the active ingredient layer is controlled. Also disclosed is a manufacturing method for an implant.Type: GrantFiled: December 10, 2008Date of Patent: September 4, 2012Assignees: Biotronik VI Patent AG, Universitaet Rostock, Universitaet GreifswaldInventors: Klaus-Peter Schmitz, Detlef Behrend, Katrin Sternberg, Niels Grabow, Claus Harder, Bjoern Klocke, Heyo K. Kroemer, Werner Weitschies
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Publication number: 20120214384Abstract: Stent, as well as a method and device for fabricating the stent, wherein the stent has a tubular lattice structure comprising individual struts and at least one strut of which at least one longitudinal section runs with at least one directional component in the radial circumferential direction of the stent, wherein the surface of the longitudinal section facing the outside of the stent is curved only about the longitudinal axis of the stent. According to the invention, the surface of longitudinal section of the strut, which surface faces the inside of the stent, has such a curvature that the strut cross section is fluidically optimized.Type: ApplicationFiled: April 26, 2012Publication date: August 23, 2012Applicant: BIOTRONIK VI PATENT AGInventor: Claus Harder
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Publication number: 20120203331Abstract: The invention relates to an implantation device (10a-d) comprising at least one medical implant (12a-d) and at least one implantation aid (14a-d) comprising at least one expansion element (16a-d). It is provided that the expansion element (16a-d) can be inserted into at least one cavity (18a-d) of the implant (12a-d), and the at least one cavity (18a-d) can be expanded using the expansion element (16a-d), and, in the end state, the expansion element (16a-d) is disposed at least partially in the at least one cavity (18a-d), wherein the expansion element (16a-d) is designed as a solid body (20a-d).Type: ApplicationFiled: February 2, 2012Publication date: August 9, 2012Applicant: BIOTRONIK AGInventors: Alexander Rzany, Matthias Fringes, Alexander Borck, Robert Schmiedl, Claus Harder