Patents Assigned to Biotronik VI Patent AG
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Patent number: 8110088Abstract: The present invention relates to a method for manufacturing an implant, in particular an intraluminal endoprosthesis, with a body containing metallic material, preferably iron. To control the degradation of the implant, the method comprises the following steps: a) preparing the body of the implant, and b) incorporating hydrogen into at least a portion of the structure of the implant body near the surface. Furthermore, such an implant is described.Type: GrantFiled: September 22, 2009Date of Patent: February 7, 2012Assignee: BIOTRONIK VI Patent AGInventors: Ullrich Bayer, Baerbel Becher, Bernd Block, Robert Voegele, Patricia Decker
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Publication number: 20110311456Abstract: A marker alloy foreign implant made of a biodegradable metallic material and having the composition MgxYbyMz wherein x is equal to 10-60 atomic percent; y is equal to 40-90 atomic percent; z is equal to 0-10 atomic percent; M is one or more element selected from the group consisting of Ag, Zn, Au, Ga, Pd, Pt, Al, Sn, Ca, Nd, Ba, Si, and Ge; and wherein x, y, and z, together, and including contaminants caused by production, result in 100 atomic percent.Type: ApplicationFiled: June 20, 2011Publication date: December 22, 2011Applicant: BIOTRONIK VI PATENT AGInventors: Bruno Zberg, Bodo Gerold, Joerg Loeffler
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Publication number: 20110293936Abstract: The invention relates to a fiber strand (10) for an implantable supporting body (100) comprising at least two individual fibers (12). The at least two individual fibers (12) are each shorter in their longitudinal extent than the longitudinal extent (14) of the fiber strand, and in their transverse extent they are each thinner than the transverse extent (16) of the fiber strand.Type: ApplicationFiled: August 9, 2011Publication date: December 1, 2011Applicant: BIOTRONIK VI PATENT AGInventors: Torben Bertsch, Heinz Müller
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Patent number: 8062352Abstract: The invention relates to an implantable device for local release of at least one drug at a predefined location in a natural cavity having a wall in the body of a mammal, characterized by at least one drug reservoir, which can be affixed in the cavity, the drug reservoir and/or a drug outlet being arranged at a distance from the wall, such that the at least one drug is released at a distance from the wall.Type: GrantFiled: June 9, 2009Date of Patent: November 22, 2011Assignee: Biotronik VI Patent AGInventors: Michael Tittelbach, Amir Fargahi
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Patent number: 8057536Abstract: An implant comprising an implant material forming a base made of one or more metallic elements; a diffusion layer covering the base made of at least one of the metallic elements of the implant material and at least magnesium; and, optionally, a metal layer covering the diffusion layer made of magnesium or a biocorrodible magnesium alloy.Type: GrantFiled: June 13, 2008Date of Patent: November 15, 2011Assignee: Biotronik VI Patent AGInventors: Heinz Mueller, Peter Uggowitzer, Joerg Loeffler
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Patent number: 8016875Abstract: A medical implant, in particular a stent for insertion in a bodily lumen, having a base structure (2, 3), wherein a passive electronic oscillating circuit configuration (4), comprising at least one inductor (L) and at least one capacitor (C1 through C4), is integrated in the base structure (2, 3), whose natural frequency (fres0) in the implanted state of the implant (1) is externally detectable by exciting the oscillating circuit configuration (4) using electromagnetic radiation such that a significant identification feature or a change of the base structure (2, 3) is detectable by the value or a change of the natural frequency (fres0) of the oscillating circuit configuration (4).Type: GrantFiled: May 7, 2008Date of Patent: September 13, 2011Assignee: Biotronik VI Patent AGInventors: Jens Philipp, Andreas Neumann
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Patent number: 7997054Abstract: The invention relates to a fiber strand (10) for an implantable supporting body (100) comprising at least two individual fibers (12). The at least two individual fibers (12) are each shorter in their longitudinal extent than the longitudinal extent (14) of the fiber strand, and in their transverse extent they are each thinner than the transverse extent (16) of the fiber strand.Type: GrantFiled: June 9, 2009Date of Patent: August 16, 2011Assignee: BIOTRONIK VI Patent AGInventors: Torben Bertsch, Heinz Müller
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Publication number: 20110190869Abstract: An endoprosthesis, particularly an intraluminal endoprosthesis, having a basic structure that is preferably configured in the shape of a hollow cylinder, preferably configured as a basic lattice. In the expanded state, an inner volume enclosed by the basic structure can be changed by means of the elasticity of the basic structure, where the basic structure can assume a normal state and a state of significant compression, with regard to its compression behavior, for further improvement of the healing progression when using an endoprosthesis according to the invention, where in the state of significant compression, the elasticity of the basic structure is significantly reduced as compared with the elasticity in the normal state. The state of significant compression is characterized by the fact that an inside diameter threshold value of the basic structure is not reached, or that a compression pressure threshold value is exceeded.Type: ApplicationFiled: November 29, 2010Publication date: August 4, 2011Applicant: BIOTRONIK VI PATENT AGInventor: Robert Schmiedl
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Publication number: 20110178593Abstract: 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: ApplicationFiled: March 28, 2011Publication date: July 21, 2011Applicant: BIOTRONIK VI PATENT AGInventors: Bjoern Klocke, Tobias Diener, Matthias Fringes, Claus Harder
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Publication number: 20110137395Abstract: A catheter system, comprising a catheter having a distal end and a proximal end; a functional section situated close to the distal end of the catheter; an inner shaft having a guidewire lumen; an outer tubing, such that the outer tubing completely or partially surrounds the functional section; a guidewire outlet having a distal portion and a proximal portion, such that the guidewire outlet passes through the inner shaft and the outer tubing; a guidewire, such that the guidewire is situated on the distal end of the catheter inside the guidewire lumen and is guided out of the catheter through the guidewire outlet, such that the guidewire outlet is attached close to the distal end of the catheter and proximally of the functional section; a cutting device for severing the outer tubing in retraction of same is attached to the distal portion of the guidewire outlet.Type: ApplicationFiled: November 22, 2010Publication date: June 9, 2011Applicant: BIOTRONIK VI PATENT AGInventor: Amir Fargahi
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Publication number: 20110130823Abstract: An endoprosthesis, in particular an intraluminal endoprosthesis, including a tubular base body and at least one function element, the at least one function element also being tubular and being arranged on the base body in such a way that the at least one function element surrounds the base body at least partially and in at least partial areas, so that it is aligned concentrically with the base body.Type: ApplicationFiled: November 12, 2010Publication date: June 2, 2011Applicant: BIOTRONIK VI PATENT AGInventors: Bodo Gerold, Dietmar Esperschidt
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Publication number: 20110112628Abstract: An implant, in particular an intraluminal endoprosthesis, is provided having an implant body containing biodegradable metallic material, preferably iron. To accelerate the degradation, at least a portion of the surface of the implant body has a first coating formed from a composition containing at least one element selected from the group including strontium and calcium. An inexpensive method for manufacturing such an implant is also described.Type: ApplicationFiled: November 5, 2010Publication date: May 12, 2011Applicant: BIOTRONIK VI PATENT AGInventor: Ullrich Bayer
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Patent number: 7939146Abstract: An x-ray marker for medical implants made of a biocorrodible metallic material, wherein the x-ray marker composite includes 1-40 weight parts of a carrier matrix having a melting point greater than or equal to 43° C., which comprises 90 weight-percent or more at least one triglyceride; and 60-99 weight parts of a radiopaque marker component which is embedded in the carrier matrix.Type: GrantFiled: August 7, 2007Date of Patent: May 10, 2011Assignee: Biotronik VI Patent AGInventors: Alexander Borck, Ellen Korzuschnik, Claus Harder, Heinz Mueller
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Publication number: 20110093061Abstract: A stent made of a material having a low strength and having a main body circumscribing a cylindrical shape and radially expandable from a contracted starting position into a dilated support position, comprising a) a plurality of support segments disposed around the circumference and arrayed on one another in the axial direction each segment being formed by a strut meandering in its coarse structure in its contracted starting position and having alternately opposing meandering curves expandable into the support position made of flexible material; b) a plurality of axial connectors connecting between zenith points of at least a part of the meandering curves in the axial-parallel direction of the support segments; (c) a plurality of x-ray marker projections, and d) at least one stabilizer for stabilizing the strut coarse structure in its contracted starting position against radial expansion and being automatically detachable upon radial expansion.Type: ApplicationFiled: December 23, 2010Publication date: April 21, 2011Applicant: BIOTRONIK VI PATENT AGInventors: Daniel Lootz, Bettina Surber, Daniel Wintsch, Johannes Riedmüller
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Publication number: 20110077732Abstract: The present invention relates to a method for manufacturing an implant, in particular an intraluminal endoprosthesis, having a body containing metallic material, preferably iron. For controlling the degradation of the implant the method includes the following steps: (a) providing a first part of the implant body; and (b) performing heat treatment which alters the carbon content and/or the boron content and/or the nitrogen content in the structure of a near-surface boundary layer in the first part of the implant body in such a way that strain on the lattice or a lattice transformation, optionally following a subsequent mechanical load, is achieved in the near-surface boundary layer. Such an implant is also described.Type: ApplicationFiled: July 14, 2010Publication date: March 31, 2011Applicant: BIOTRONIK VI PATENT AGInventors: Ullrich Bayer, Bodo Gerold
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Patent number: 7913371Abstract: A method for producing an agent depot for mechanical connection to a surface of an endovascular implantable body, comprising a) providing one or more polymers; b) providing one or more agents; and c) producing an agent depot from said polymers and said agents, the agent depot being mechanically connectable to the surface of the body using force action or adhesive.Type: GrantFiled: July 21, 2008Date of Patent: March 29, 2011Assignee: Biotronik VI Patent AGInventors: Bjoern Klocke, Tobias Diener, Matthias Fringes, Claus Harder
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Publication number: 20110034991Abstract: An endoprosthesis, in particular, an intraluminal endoprosthesis, e.g., a stent, having a basic mesh and a functional element attached to a carrier structure, the functional element having a different material composition than the material of the basic mesh in at least a portion of its volume. The carrier structure is arranged on the basic mesh in the first essentially finger-shaped end and protrudes away from the mesh essentially like a projection. The functional element is arranged on an area of the carrier structure protruding away from the base body and at least partially surrounds the area of the carrier structure.Type: ApplicationFiled: October 12, 2010Publication date: February 10, 2011Applicant: BIOTRONIK VI PATENT AGInventors: Harald Barthel, Matthias Fringes, Bodo Gerold, Johannes Riedmueller
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Publication number: 20110009952Abstract: 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: June 2, 2010Publication date: January 13, 2011Applicant: BIOTRONIK VI PATENT AGInventors: Ullrich Bayer, Claus Harder, Elisabeta Burean
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Publication number: 20100324659Abstract: A stent is provided having a base body circumscribing a cylindrical shape and radially expandable from a contracted starting position into a dilated support position, including a plurality of meander-shaped struts disposed in the circumferential direction and arrayed on one another in the axial direction, each strut being meander-shaped in its coarse structure and made of a flexible material, and at least one axial connector in the axial direction, connecting the meander-shaped struts of two axially adjacent meandering curves, wherein the at least one axial connector connects the inside radius of a zenith point of a first meandering curve with a second meandering curve, characterized in that the at least one axial connector at the inside radius of the zenith point of the first meandering curve has an at least double-arm structure.Type: ApplicationFiled: May 11, 2010Publication date: December 23, 2010Applicant: BIOTRONIK VI PATENT AGInventors: Steffen Mews, Frank Bakczewitz
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Publication number: 20100324654Abstract: The present invention relates to a method for manufacturing an implant, in particular an intraluminal endoprosthesis, with a body containing metallic material, preferably iron. The method includes the following steps to control degradation of the implant: (i) providing the body of the implant; and (ii) tribochemically treating at least part of the body surface by means of beam particles. An implant produced in this way is also described.Type: ApplicationFiled: May 25, 2010Publication date: December 23, 2010Applicant: BIOTRONIK VI PATENT AGInventors: Ullrich Bayer, Bjoern Klocke