Patents by Inventor Michelle Maxfield

Michelle Maxfield 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).

  • Patent number: 10173054
    Abstract: An implantable medical device including at least one elongate electrical line with a first electrical component as a functional conductor, and at least one second electrical component with an electrical length. The first electrical component includes a proximal end and a distal end, wherein the distal side is in electrical contact with tissue or blood. The first electrical component is in electrical contact with the at least one second electrical component, and wherein the electrical length of the at least one second component corresponds to at least a tenth of a wavelength (?/10) of electromagnetic waves in a radiofrequency range.
    Type: Grant
    Filed: September 3, 2014
    Date of Patent: January 8, 2019
    Assignee: BIOTRONIK SE & CO. KG
    Inventors: Gernot Kolberg, Jens Rump, Michael Friedrich, Heinrich Buessing, Stefan Knorr, Andreas Bitzer, Kerstin Teaubert, Ingo Weiss, Klaus Bartels, Michelle Maxfield, Hartmut Lenski, Timo Frenzel, Erik Trip
  • Patent number: 9101757
    Abstract: An implantable lead having an elongated lead body and a function conductor extending in the longitudinal direction of the conductor body, the function conductor being provided to implement a medical function of the lead, wherein in addition to the function conductor, a field decoupling conductor loop is provided, which reduces coupling of the function conductor to the outside alternating magnetic field by generating an induction field that is in the opposite direction of an outside magnetic field.
    Type: Grant
    Filed: October 27, 2011
    Date of Patent: August 11, 2015
    Assignee: BIOTRONIK SE & Co. KG
    Inventors: Timo Frenzel, Michael Friedrich, Michelle Maxfield, Dagmar Buchner
  • Publication number: 20150080694
    Abstract: An implantable medical device including at least one elongate electrical line with a first electrical component as a functional conductor, and at least one second electrical component with an electrical length. The first electrical component includes a proximal end and a distal end, wherein the distal side is in electrical contact with tissue or blood. The first electrical component is in electrical contact with the at least one second electrical component, and wherein the electrical length of the at least one second component corresponds to at least a tenth of a wavelength (?/10) of electromagnetic waves in a radiofrequency range.
    Type: Application
    Filed: September 3, 2014
    Publication date: March 19, 2015
    Applicant: BIOTRONIK SE & CO. KG
    Inventors: Gernot KOLBERG, Jens RUMP, Michael FRIEDRICH, Heinrich BUESSING, Stefan KNORR, Andreas BITZER, Kerstin TEAUBERT, Ingo WEISS, Klaus BARTELS, Michelle MAXFIELD, Hartmut LENSKI, Timo FRENZEL, Erik TRIP
  • Patent number: 8923983
    Abstract: An implantable line having an elongated line body, a function conductor extending in the longitudinal direction of the line body, acting to implement a medical function of the line, whereby in addition to the function conductor, a field decoupling conductor which extends over at least a section of the length of the line body essentially parallel to the function conductor is provided, thereby reducing the coupling of the function conductor to an external field.
    Type: Grant
    Filed: April 9, 2009
    Date of Patent: December 30, 2014
    Assignee: Biotronik CRM Patent AG
    Inventors: Ingo Weiss, Stefan Knorr, Michelle Maxfield, Michael Friedrich
  • Patent number: 8862246
    Abstract: Temporarily or permanently implantable medical device, having at least one longitudinally extended first electrical conductor having a functional lead, which is connected to a functional electrode pole for dispensing therapeutic signals or for detecting diagnostic signals, and including at least one second electrical conductor, which is coupled to the functional lead and is guided with it in a shared insulating sheathing, such that a coupling between the functional lead and the second electrical conductor is designed to input electromagnetic radiofrequency waves guided in the functional lead at least partially into the second electrical conductor.
    Type: Grant
    Filed: November 21, 2011
    Date of Patent: October 14, 2014
    Assignee: Biotronik SE & Co. KG
    Inventors: Klaus Bartels, Heinrich Buessing, Timo Frenzel, Gernot Kolberg, Michelle Maxfield, Ingo Weiss
  • Patent number: 8712543
    Abstract: A device that can be temporarily introduced in a body or permanently implanted in a body comprising at least one elongated electric function conductor for transmitting treatment signals or diagnostic signals, or both, and further comprising a connector, which is connected to the function conductor and disposed on a proximal end of the function conductor, for connecting the device to a further device. Characteristic impedance is present between the function conductor and at least one further conductor. A transition region from the function conductor to the connector is designed such that a characteristic impedance between the function conductor and the further conductor in the transition region is designed to be between the corresponding characteristic impedance of the device in a line section distal of the transition region and the characteristic impedance present proximal of the transition region when the connector is connected to a further device.
    Type: Grant
    Filed: March 28, 2012
    Date of Patent: April 29, 2014
    Assignee: Biotronik SE & Co. KG
    Inventors: Klaus Bartels, Timo Frenzel, Stefan Knorr, Gernot Kolberg, Michelle Maxfield
  • Patent number: 8583258
    Abstract: A flexible electrode lead in particular for use with a medical implant comprises, an elongated electrode body with a proximal and a distal end, at least one conductor leading from the proximal towards the distal end of the electrode lead, a first ring element at the distal end of the electrode lead connected to the conductor and being positioned coaxially in the lead electrode body a second ring element spaced distally of the first ring element and being positioned coaxially in the lead electrode body, a coil conductor between the first and second ring element, wherein the coil conductor is adapted to form an inductance which is in parallel circuitry with the capacitor to form a filter element in the conductor, and the first ring element, the coil conductor and the second ring element comprise a central feedthrough for a guidance element for the electrode lead.
    Type: Grant
    Filed: April 10, 2011
    Date of Patent: November 12, 2013
    Assignee: Biotronik SE & Co. KG
    Inventors: Michelle Maxfield, Ingo Weiss, Sonja Meine
  • Patent number: 8509915
    Abstract: Implantable medical device having elongated electric line(s) with function conductors, which are respectively multi-stranded and connected to respective function electrode pole(s) to deliver treatment/record diagnostic signals, wherein a first function conductor has a first strand, which, in the course of the longitudinal extension of the first function conductor in first longitudinal section(s) has a first coupling with a second function conductor suitable for coupling electromagnetic radio-frequency waves guided in the second function conductor at least in part in the first strand(s) of the first function conductor, and wherein the first strand(s) in the course of the longitudinal extension of the first function conductor in second longitudinal section(s) has a second coupling with second strand(s) of the first function conductor, suitable for coupling electromagnetic radio-frequency waves guided in the at least one first strand at least in part in the at least one second strand of the first function conduc
    Type: Grant
    Filed: November 28, 2011
    Date of Patent: August 13, 2013
    Assignee: Biotronik SE & Co. KG
    Inventors: Ingo Weiss, Stefan Knorr, Michelle Maxfield, Michael Friedrich
  • Patent number: 8447416
    Abstract: A field decoupling element for use with an implantable line with an elongated line body and a function conductor which extends in the longitudinal direction of the line body and acts to implement a medical function of the line, such that the field decoupling element is in electric contact with the function conductor in the use state connected to the line and reduces coupling of the function conductor to an external field.
    Type: Grant
    Filed: April 10, 2009
    Date of Patent: May 21, 2013
    Assignee: Biotronik CRM Patent AG
    Inventors: Ingo Weiss, Stefan Knorr, Michelle Maxfield, Michael Friedrich
  • Patent number: 8386057
    Abstract: An electrode for interventional purposes, such as a cardiac pacemaker, neurostimulation, or ICD electrode, comprises an elongate electrode body (6), at least one electrode pole (5) in the area of the distal end (4) of the electrode body (6) for delivering an intervention pulse, at least one supply line (7) running in the electrode body (6) to the at least one electrode pole (5), and an electrode sheath (8) for insulating the supply line (7). The first and/or second material is produced in such a way that it contains conductive particles embedded in a polymer matrix in a concentration which is greater than or equal to the percolation threshold.
    Type: Grant
    Filed: November 15, 2007
    Date of Patent: February 26, 2013
    Assignee: Biotronik CRM Patent AG
    Inventors: Erhard Flach, Wolfgang Geistert, Michelle Maxfield, Ingo Weiss, Michael Friedrich
  • Patent number: 8321034
    Abstract: An implantable stimulation electrode lead for medical purposes includes a coaxial lead structure with an inner supply lead and an outer supply lead electrically insulated from the inner supply lead, and first and second electrodes which are provided at or near the distal end of the lead structure. The outer supply lead is guided to the first electrode, which is at the tip of the lead structure, and the inner supply lead is guided to the second electrode, which is proximal to the first electrode, such that the electrical connections cross over along the radius of the device.
    Type: Grant
    Filed: March 15, 2010
    Date of Patent: November 27, 2012
    Assignee: BIOTRONIK CRM Patent AG
    Inventors: Ingo Weiss, Stefan Knorr, Michelle Maxfield, Michael Friedrich
  • Publication number: 20120277840
    Abstract: An electrode for interventional purposes, such as a cardiac pacemaker, neurostimulation, or ICD electrode, comprises an elongate electrode body (6), at least one electrode pole (5) in the area of the distal end (4) of the electrode body (6) for delivering an intervention pulse, at least one supply line (7) running in the electrode body (6) to the at least one electrode pole (5), and an electrode sheath (8) for insulating the supply line (7). The first and/or second material is produced in such a way that it contains conductive particles embedded in a polymer matrix in a concentration which is greater than or equal to the percolation threshold.
    Type: Application
    Filed: November 15, 2007
    Publication date: November 1, 2012
    Inventors: Erhard FLACH, Wolfgang Geistert, Michelle Maxfield, Ingo Weiss, Michael Friedrich
  • Publication number: 20120253441
    Abstract: A device that can be temporarily introduced in a body or permanently implanted in a body comprising at least one elongated electric function conductor for transmitting treatment signals or diagnostic signals, or both, and further comprising a connector, which is connected to the function conductor and disposed on a proximal end of the function conductor, for connecting the device to a further device. Characteristic impedance is present between the function conductor and at least one further conductor. A transition region from the function conductor to the connector is designed such that a characteristic impedance between the function conductor and the further conductor in the transition region is designed to be between the corresponding characteristic impedance of the device in a line section distal of the transition region and the characteristic impedance present proximal of the transition region when the connector is connected to a further device.
    Type: Application
    Filed: March 28, 2012
    Publication date: October 4, 2012
    Inventors: Klaus BARTELS, Timo FRENZEL, Stefan KNORR, Gernot KOLBERG, Michelle MAXFIELD
  • Publication number: 20120157811
    Abstract: Temporarily or permanently implantable medical device, having at least one longitudinally extended first electrical conductor having a functional lead, which is connected to a functional electrode pole for dispensing therapeutic signals or for detecting diagnostic signals, and including at least one second electrical conductor, which is coupled to the functional lead and is guided with it in a shared insulating sheathing, such that a coupling between the functional lead and the second electrical conductor is designed to input electromagnetic radiofrequency waves guided in the functional lead at least partially into the second electrical conductor.
    Type: Application
    Filed: November 21, 2011
    Publication date: June 21, 2012
    Inventors: Klaus BARTELS, Heinrich Buessing, Timo Frenzel, Gernot Kolberg, Michelle Maxfield, Ingo Weiss
  • Publication number: 20120157808
    Abstract: Implantable medical device having elongated electric line(s) with function conductors, which are respectively multi-stranded and connected to respective function electrode pole(s) to deliver treatment/record diagnostic signals, wherein a first function conductor has a first strand, which, in the course of the longitudinal extension of the first function conductor in first longitudinal section(s) has a first coupling with a second function conductor suitable for coupling electromagnetic radio-frequency waves guided in the second function conductor at least in part in the first strand(s) of the first function conductor, and wherein the first strand(s) in the course of the longitudinal extension of the first function conductor in second longitudinal section(s) has a second coupling with second strand(s) of the first function conductor, suitable for coupling electromagnetic radio-frequency waves guided in the at least one first strand at least in part in the at least one second strand of the first function conduc
    Type: Application
    Filed: November 28, 2011
    Publication date: June 21, 2012
    Inventors: Ingo Weiss, Stefan Knorr, Michelle Maxfield, Michael Friedrich
  • Publication number: 20120103653
    Abstract: An implantable lead having an elongated lead body and a function conductor extending in the longitudinal direction of the conductor body, the function conductor being provided to implement a medical function of the lead, wherein in addition to the function conductor, a field decoupling conductor loop is provided, which reduces coupling of the function conductor to the outside alternating magnetic field by generating an induction field that is in the opposite direction of an outside magnetic field.
    Type: Application
    Filed: October 27, 2011
    Publication date: May 3, 2012
    Applicant: BIOTRONIK SE & CO. KG
    Inventors: Timo Frenzel, Michael Friedrich, Michelle Maxfield, Dagmar Buchner
  • Patent number: 8082042
    Abstract: An electrode device for cardiological or neurological electrodiagnosis and/or electrotherapy comprises an elongated electrode body (12), at least one electrode (14, 16) in the vicinity of the distal end (24) of the electrode body (12), and an electrode conductor (44) for the electrical connection of the electrode (14, 16). The electrode conductor (44) has a fibrous structure (52) with anisotropic conductivity so that the specific conductivity of the electrode conductor (44) is significantly higher in its longitudinal direction than in its transverse direction.
    Type: Grant
    Filed: April 30, 2007
    Date of Patent: December 20, 2011
    Assignee: Biotronik CRM Patent AG
    Inventors: Erhard Flach, Wolfgang Geistert, Gernot Kolberg, Michelle Maxfield, Ingo Weiss
  • Publication number: 20110276116
    Abstract: A flexible electrode lead in particular for use with a medical implant comprises, an elongated electrode body with a proximal and a distal end, at least one conductor leading from the proximal towards the distal end of the electrode lead, a first ring element at the distal end of the electrode lead connected to the conductor and being positioned coaxially in the lead electrode body a second ring element spaced distally of the first ring element and being positioned coaxially in the lead electrode body, a coil conductor between the first and second ring element, wherein the coil conductor is adapted to form an inductance which is in parallel circuitry with the capacitor to form a filter element in the conductor, and the first ring element, the coil conductor and the second ring element comprise a central feedthrough for a guidance element for the electrode lead.
    Type: Application
    Filed: April 10, 2011
    Publication date: November 10, 2011
    Inventors: Michelle Maxfield, Ingo Weiss, Sonja Meine
  • Publication number: 20100256721
    Abstract: An implantable stimulation electrode lead for medical purposes includes a coaxial lead structure with an inner supply lead and an outer supply lead electrically insulated from the inner supply lead, and first and second electrodes which are provided at or near the distal end of the lead structure. The outer supply lead is guided to the first electrode, which is at the tip of the lead structure, and the inner supply lead is guided to the second electrode, which is proximal to the first electrode, such that the electrical connections cross over along the radius of the device.
    Type: Application
    Filed: March 15, 2010
    Publication date: October 7, 2010
    Inventors: Ingo Weiss, Stefan Knorr, Michelle Maxfield, Michael Friedrich
  • Patent number: 7809447
    Abstract: An implantable medical electrode device, in particular a cardiovascular cardiac pacemaker or defibrillator electrode device, comprises an elongate, tubular electrode body (2), a fixing zone (4) in front of the distal end (3) of the electrode body (2), in which the externally closed peripheral envelope (8) of the electrode body (2) is reversibly expandable into a body lumen (27) for detachable fixing of the electrode device (1), and an expansion apparatus, situated in the fixing zone (4), for controlling the expansion and contraction in the fixing zone (4).
    Type: Grant
    Filed: March 8, 2007
    Date of Patent: October 5, 2010
    Assignee: Biotronik CRM Patent AG
    Inventors: Eckard Dreier, Erhard Flach, Wolfgang Geistert, Michelle Maxfield, Jochen Palm, Marc Schurr, Jan-Heiner Brinkmann