Patents by Inventor Dusan Milojevic
Dusan Milojevic 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: 20130268043Abstract: An implantable apparatus, such as a inner ear prosthetic hearing implant, and a method for delivering neuron firing threshold-reducing stimuli to a neural network of an implantee are provided. The apparatus comprises a stimulator device that generates stimulation signals, and an electrode array that receives the stimulation signals and delivers the stimuli to the neural network of the implantee in response to the signals. The stimuli delivered to the implantee facilitates and/or controls the production and/or release of naturally occurring agents into the neural network to reduce the firing thresholds of neurons.Type: ApplicationFiled: October 24, 2012Publication date: October 10, 2013Inventors: Claudia Tasche, John Parker, Dusan Milojevic, Colin Irwin
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Patent number: 8538541Abstract: An implantable apparatus, such as a cochlear implant, for delivering electrical plasticity informative stimuli to a neural network of an implantee. The apparatus comprises a stimulator device (40) that generates stimulation signals, and an electrode array (20) that receives the stimulation signals and delivers the stimuli to the neural network of the implantee in response to the signals. The stimuli delivered to the implantee facilitates and/or controls the production and/or release of naturally occurring agents into the neural network to influence the functionality thereof.Type: GrantFiled: November 11, 2002Date of Patent: September 17, 2013Assignee: Cochlear LimitedInventors: Dusan Milojevic, John Parker
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Patent number: 8515560Abstract: Devices for the delivery of a bioactive substance to a cochlea and methods of delivery thereof. The devices include means to allow the release of the bioactive substance within a cochlea.Type: GrantFiled: November 28, 2003Date of Patent: August 20, 2013Assignee: Cochlear LimitedInventors: Kristine Debruyne, Dirk Fiedler, Thomas Kaiser, Ben Kloeck, Dusan Milojevic, John Parker
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Publication number: 20130144370Abstract: Devices for the delivery of a bioactive substance to a cochlea and methods of delivery thereof. The devices include means to allow the release of the bioactive substance within a cochlea.Type: ApplicationFiled: November 26, 2012Publication date: June 6, 2013Inventors: Kristine Debruyne, Dirk Fiedler, Thomas Kaiser, Ben Kloeck, Dusan Milojevic, John Parker
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Patent number: 8277227Abstract: A method (10) of forming an electrically conducting feedthrough. The method (10) comprises a first step (11) of forming an electrically conductive structure (21) comprising a sacrificial component and a non-sacrificial component. At least a portion of the non-sacrificial component can then be coated with a relatively electrically insulating material (35) prior to removal of at least a portion of the sacrificial component from the electrically conductive structure. The structure of the feedthrough provides electrical connection through the wall of a housing of an implantable component while preventing unwanted transfer of materials between the interior of the component and the surrounding environment.Type: GrantFiled: August 2, 2011Date of Patent: October 2, 2012Assignee: Cochlear LimitedInventors: Derek Ian Darley, Desmond A. Mccusker, Dusan Milojevic, John L. Parker
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Patent number: 8229574Abstract: A telescoping electrode assembly and method of implantation of a telescoping electrode assembly are provided herein. The electrode assembly may comprise a plurality of telescoping sections that may, for example, be in a retracted configuration during insertion into the patient and then after insertion expanded to their final expanded configuration. These sections may have electrodes disposed therein for use in applying electrical stimulation to the patient in which the electrode is implanted.Type: GrantFiled: January 6, 2009Date of Patent: July 24, 2012Assignee: Cochlear LimitedInventors: John L. Parker, Dusan Milojevic
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Publication number: 20120158114Abstract: Devices for the delivery of a bioactive substance to a cochlea and methods of delivery thereof. The devices include means to allow the release of the bioactive substance within a cochlea.Type: ApplicationFiled: February 24, 2012Publication date: June 21, 2012Inventors: Kristine Debruyne, Dirk Fiedler, Thomas Kaiser, Ben Kloeck, Dusan Milojevic, John Parker
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Patent number: 8180459Abstract: An implantable electrode assembly for a cochlear implant comprising: an elongate carrier member having an intra-cochlear region, an extra-cochlear region, and an additional region immediately adjacent the extra-cochlear region and extending to a stimulator unit; one or more electrodes disposed on the intra-cochlear region of the elongate carrier member; and one or more signal pathways extending from the additional region through at least a portion of the intra-cochlear region, wherein a cross-sectional profile of each of the one or more signal pathways is smaller in the intra-cochlear region than in the additional region.Type: GrantFiled: September 13, 2011Date of Patent: May 15, 2012Assignee: Cochlear LimitedInventors: Fysh Dadd, Dusan Milojevic
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Patent number: 8175722Abstract: An implantable tissue-stimulating device for an implantee comprising: an elongate member, and at least one electrode disposed on the elongate member, wherein at least a portion of the device is coated, prior to implantation in the implantee, with a coating configured to at least partially inhibit adhesion of body tissue to the device following implantation, and wherein the coating is removable, after implantation, by an electrochemical cleaning process during which potential of one or more of the at least one electrode is increased and then decreased.Type: GrantFiled: April 14, 2009Date of Patent: May 8, 2012Assignee: Cochlear LimitedInventors: John Parker, Dusan Milojevic
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Publication number: 20120065717Abstract: An implantable electrode assembly for a cochlear implant comprising: an elongate carrier member having an intra-cochlear region, an extra-cochlear region, and an additional region immediately adjacent the extra-cochlear region and extending to a stimulator unit; one or more electrodes disposed on the intra-cochlear region of the elongate carrier member; and one or more signal pathways extending from the additional region through at least a portion of the intra-cochlear region, wherein a cross-sectional profile of each of the one or more signal pathways is smaller in the intra-cochlear region than in the additional region.Type: ApplicationFiled: September 13, 2011Publication date: March 15, 2012Inventors: Fysh Dadd, Dusan Milojevic
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Publication number: 20110300764Abstract: A method (10) of forming an electrically conducting feedthrough. The method (10) comprises a first step (11) of forming an electrically conductive structure (21) comprising a sacrificial component and a non-sacrificial component. At least a portion of the non-sacrificial component can then be coated with a relatively electrically insulating material (35) prior to removal of at least a portion of the sacrificial component from the electrically conductive structure. The structure of the feedthrough provides electrical connection through the wall of a housing of an implantable component while preventing unwanted transfer of materials between the interior of the component and the surrounding environment.Type: ApplicationFiled: August 2, 2011Publication date: December 8, 2011Inventors: Derek Ian Darley, Desmond McCusker, Dusan Milojevic, John L. Parker
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Patent number: 8019436Abstract: An implantable electrode assembly for a stimulating medical device, the electrode assembly comprising: an elongate carrier member; one or more electrodes disposed on said carrier member; and one or more signal pathways each extending for a length through at least a part of said carrier member to deliver signals to an associated one of said one or more electrodes, wherein at least one of said one or more signal pathways has a non-uniform cross-sectional profile over a length of said elongate carrier member.Type: GrantFiled: June 27, 2005Date of Patent: September 13, 2011Assignee: Cochlear LimitedInventors: Fysh Dadd, Dusan Milojevic
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Patent number: 7996982Abstract: A method (10) of forming an electrically conducting feedthrough. The method (10) comprises a first step (11) of forming an electrically conductive structure (21) comprising a sacrificial component and a non-sacrificial component. At least a portion of the non-sacrificial component can then be coated with a relatively electrically insulating material (35) prior to removal of at least a portion of the sacrificial component from the electrically conductive structure. The structure of the feedthrough provides electrical connection through the wall of a housing of an implantable component while preventing unwanted transfer of materials between the interior of the component and the surrounding environment.Type: GrantFiled: February 4, 2008Date of Patent: August 16, 2011Assignee: Cochlear LimitedInventors: Derek Ian Darley, Desmond A. Mccusker, Dusan Milojevic, John Parker
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Patent number: 7970481Abstract: A method of forming a device, such as an electrode array for a cochlear implant. The method comprises a step of forming a predetermined pattern of relatively electrically conductive regions and relatively electrically resistive regions in a sheet of biocompatible electrically conductive material, such as platinum foil. The method can comprise a step of working on the sheet to remove predetermined portions therefrom to form the one or more discrete relatively conducting regions. The step of working on the sheet can comprise embossing the sheet, cutting or slicing the sheet, or using electrical discharge machining (EDM) to remove unwanted portions of the sheet, the EDM equipment having a cutting tool comprising an electrode.Type: GrantFiled: May 17, 2010Date of Patent: June 28, 2011Assignee: Cochlear LimitedInventors: Dusan Milojevic, John Parker
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Publication number: 20100287762Abstract: A method of forming a device, such as an electrode array for a cochlear implant. The method comprises a step of forming a predetermined pattern of relatively electrically conductive regions and relatively electrically resistive regions in a sheet of biocompatible electrically conductive material, such as platinum foil. The method can comprise a step of working on the sheet to remove predetermined portions therefrom to form the one or more discrete relatively conducting regions. The step of working on the sheet can comprise embossing the sheet, cutting or slicing the sheet, or using electrical discharge machining (EDM) to remove unwanted portions of the sheet, the EDM equipment having a cutting tool comprising an electrode.Type: ApplicationFiled: May 17, 2010Publication date: November 18, 2010Inventors: Dusan Milojevic, John Parker
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Publication number: 20100287770Abstract: According to one aspect of the present invention, there is provided a method for manufacturing an electrode carrier comprising one or more electrode contacts of an implantable medical device, comprising: coupling at least one electrode to a base plate, securing the base plate in a mold, injecting the mold with injection material at least partially around the at least one electrode coupled to the base plate, curing the injected material, and decoupling the at least one electrode from the base plate such that the cured injection material is separated from the base plate.Type: ApplicationFiled: May 14, 2009Publication date: November 18, 2010Applicant: COCHLEAR LIMITEDInventors: Fysh Dadd, Derek Ian Darley, Dusan Milojevic, Peter Gibson, John L. Parker, Claudiu Treaba, Miroslaw Mackiewicz
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Patent number: 7742827Abstract: An implantable tissue-stimulating device for an implantee. The device comprising an elongate member having at least one electrode. At least a portion of the surface of the elongate member having a configuration that at least partially controls any tissue growth on and/or round the elongate member.Type: GrantFiled: June 23, 2005Date of Patent: June 22, 2010Assignee: Cochlear LimitedInventors: Thomas Lenarz, John L. Parker, Dusan Milojevic
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Publication number: 20100030130Abstract: A stimulating medical device. The stimulating medical device comprises: a stimulating assembly implantable proximate to a recipient's neural system, the assembly having at least one agent delivery port and a plurality of electrical contacts; an electrical stimulation controller configured to generate electrical stimulation signals for application the neural system via one or more of the plurality of electrical contacts; a pharmaceutical agent source configured to provide a plasticity modulating agent to the at least one delivery port for application to the neural system; and a pharmaceutical agent controller configured to control one or more of the pharmaceutical agent source and the at least one delivery port to cause selective application of the plasticity modulating agent to the neural system to at least one of reinforce and activate one or more neural pathways within the system.Type: ApplicationFiled: March 31, 2009Publication date: February 4, 2010Applicant: COCHLEAR LIMITEDInventors: John L. Parker, Dusan Milojevic, Claudia Tasche
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Publication number: 20100030301Abstract: A stimulating medical device. The stimulating medical device comprises a plurality of electrical contacts implantable proximate to a recipient's neural system; and an electrical stimulation controller configured to generate and apply plasticity modulating electrical stimulation signals to the recipient's neural system via one or more of the plurality of electrical contacts, the plasticity modulating signals configured to facilitate one or more of the production and release of naturally occurring neurotrophic agents within the recipient's neural system.Type: ApplicationFiled: March 31, 2009Publication date: February 4, 2010Applicant: COCHLEAR LIMITEDInventors: John L. Parker, Dusan Milojevic, Claudia Tasche
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Publication number: 20090306754Abstract: A telescoping electrode assembly and method of implantation of a telescoping electrode assembly are provided herein. The electrode assembly may comprise a plurality of telescoping sections that may, for example, be in a retracted configuration during insertion into the patient and then after insertion expanded to their final expanded configuration. These sections may have electrodes disposed therein for use in applying electrical stimulation to the patient in which the electrode is implanted.Type: ApplicationFiled: January 6, 2009Publication date: December 10, 2009Applicant: COCHLEAR LIMITEDInventors: John L. Parker, Dusan Milojevic