Biotronik Crm Patent Ag

Biotronik Se Co. Kg

Biotronik Mess-und Therapiegerate Gmbh & Co Ingenieurburo Berlin

Michelle Maxfield

Ingo Weiss

Michael Friedrich

Stefan Knorr

Gernot Kolberg

Erhard Flach

Timo Frenzel

Wolfgang Geistert

Klaus Bartels

Heinrich Buessing

Jens Rump

Jochen Palm

Andreas Bitzer

Marc Steffen Schurr

Hartmut Lenski

Thomas T&ouml;llner

Erik Trip

Dagmar Buchner

Sonja Meine

Kerstin Teaubert

Eckard Dreier

Jan-Heiner Brinkmann

Wolfgand Geistert

Jan-Helge Richter

Heinrich Büssing

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 (&#x3bb;/10) of electromagnetic waves in a radiofrequency range.

Implantable device

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.

Implantable lead having an elongated lead body

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.

Device for reducing the fault susceptibility of elongated implants

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.

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.

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.

Electrode lead in particular for use with a medical implant

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 conductor.

Implantable electrode line device for reducing undesirable effects of electromagnetic fields

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.

Field decoupling element for use with an implantable line and implantable medical device

An electrode for interventional purposes, such as a cardiac pacemaker, neurostimulation, or ICD electrode, comprises an elongate electrode body (), at least one electrode pole () in the area of the distal end () of the electrode body () for delivering an intervention pulse, at least one supply line () running in the electrode body () to the at least one electrode pole (), and an electrode sheath () for insulating the supply line (). 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.

Electrode catheter for interventional use

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.

Stimulation electrode lead

An electrode device for cardiological or neurological electrodiagnosis and/or electrotherapy comprises an elongated electrode body (), at least one electrode () in the vicinity of the distal end () of the electrode body (), and an electrode conductor () for the electrical connection of the electrode (). The electrode conductor () has a fibrous structure () with anisotropic conductivity so that the specific conductivity of the electrode conductor () is significantly higher in its longitudinal direction than in its transverse direction.

Electrode device for electrodiagnosis and/or electrotherapy

An implantable medical electrode device, in particular a cardiovascular cardiac pacemaker or defibrillator electrode device, comprises an elongate, tubular electrode body (), a fixing zone () in front of the distal end () of the electrode body (), in which the externally closed peripheral envelope () of the electrode body () is reversibly expandable into a body lumen () for detachable fixing of the electrode device (), and an expansion apparatus, situated in the fixing zone (), for controlling the expansion and contraction in the fixing zone ().

Implantable medical electrode device, in particular cardiovascular cardiac pacemaker or defibrillator electrode device

A catheter, in particular for insertion of heart-pacemaker- or ICD-electrodes into a patient's body, comprises a catheter wall and a reinforcement therein for stabilization of the catheter. The reinforcement is a profile element which is adjusted to the desired mechanical properties of the catheter in the axial and peripheral direction thereof.

Catheter, in particular for insertion of heart-pacemaker-or ICD-electrodes into a patient'body

An ablation catheter for the generation of linear lesions in the myocardium is provided with an elongated catheter body and a linear, substantially cylindrical ablation electrode on the distal end of the catheter body. At least one sensing electrode is disposed in the ablation electrode, insulated therefrom and embedded in the jacket thereof.

Growing community of inventors

Berlin, Germany

Michelle Maxfield