# US 9,517,335 B2 · Implantable electrical line > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 9,517,335 B2 - Document ID: US9517335B2 - Status: Granted - Kind: B2 - Application number: 14/804,154 - Filed: 2015-07-20 - Published: 2016-02-18 - Granted: 2016-12-13 - Earliest claimed: 2014-08-13 - Assignees: BIOTRONIK SE & Co. KG - Applicants: Biotronik SE & Co. KG - Inventors: Michael Friedrich; Gernot Kolberg; Timo Frenzel - Web page: https://patentgrep.com/patent/US9517335B2 ## CPC - A61N 1/056: {Transvascular endocardial electrode systems} - A61N 1/05: for implantation or insertion into the body, e.g. heart electrode (A61N1/06 takes precedence) - A61N 1/3718: {Monitoring of or protection against external electromagnetic fields or currents} - A61N 1/37512: {Pacemakers} - A61N 1/3968: {Constructional arrangements, e.g. casings (A61N1/375 takes precedence)} - H01B 3/47: fibre-reinforced plastics, e.g. glass-reinforced plastics - H01R 11/11: End pieces or tapping pieces for wires, supported by the wire and for facilitating electrical connection to some other wire, terminal or conductive member (H01R11/01 takes precedence) - A61N 1/086: {Magnetic resonance imaging [MRI] compatible leads} - A61N 1/362: Heart stimulators (heart defibrillators A61N1/39) - H01B 7/048: {for implantation into a human or animal body, e.g. pacemaker leads} - A61N: ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY (measurement of bioelectric currents A61B; surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body A61B18/00; anaesthetic apparatus in general A61M; incandescent lamps H01K; infrared radiators for heating H05B) - H01B: CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES (selection for magnetic properties H01F1/00; waveguides H01P {; printed circuits H05K}) - H01R: ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS ## Abstract An implantable electrical line including a lead, wherein the lead includes at least one helically wound electrical conductor. The at least one helically wound electrical conductor is surrounded by a fiber braid, which is formed by at least two fibers or fiber bundles, and wherein the at least two fibers or fiber bundles are interwoven and wound around the electrical conductor in opposite winding directions. ## Claims ### Claim 1 An implantable electrical line comprising: a lead or a lead segment, wherein said lead or said lead segment comprises at least one helically wound electrical conductor, wherein the at least one helically wound electrical conductor is surrounded by a fiber braid comprising at least two fibers or fiber bundles, wherein the at least two fibers or fiber bundles are interwoven and are wound around the at least one helically wound electrical conductor in opposite winding directions, wherein the at least one helically wound electrical conductor and the fiber braid form one or more a inductors and capacitors, and wherein the one or more of inductors and capacitors forms a filter that blocks at frequencies of electromagnetic fields prevailing in magnetic resonance imaging (MRI) scanners. ### Claim 2 (depends on 1) The implantable electrical line as claimed in claim 1, wherein the at least one helically wound electrical conductor forms a coil comprising two longitudinal ends, wherein the coil is electrically conductively and mechanically connected at one end of the two longitudinal ends end to an electrically conductive sleeve or at each end of the two longitudinal ends to an electrically conductive sleeve, and wherein the at least two fibers or fiber bundles are connected to one or more of the electrically conductive sleeve at the one end and the electrically conductive sleeves at the each end of the two longitudinal ends. ### Claim 3 (depends on 2) The implantable electrical line as claimed in claim 2, wherein at least one of the electrically conductive sleeves forms a capacitor with a coil sleeve, wherein the coil sleeve is concentric with the at least one electrically conductive sleeve and wherein the coil sleeve is electrically insulated from the electrically conductive sleeve or the electrically conductive sleeves by a dielectric. ### Claim 4 (depends on 1) The implantable electrical line as claimed in claim 1, wherein the at least one helically wound electrical conductor comprises a wire comprising one or more of Pt, Pt/Ir, MP35N, elgiloy, high-grade steel, copper, molybdenum, tantalum, gold, zirconium, iron-containing alloys, tantalum/tungsten alloys, refractory metals comprising niobium or titanium, silver, palladium, conductive polymers, polycondensates and combinations thereof in a sheath-core wire. ### Claim 5 (depends on 1) The implantable electrical line as claimed in claim 1, wherein the at least two fibers or fiber bundles comprise one or more metals or plastics comprising one or more of Pt, Pt/Ir, MP35N, elgiloy, high-grade steel, copper, molybdenum, tantalum, copper, gold, zirconium, iron-containing alloys, silver, combinations thereof in a sheath-core wire, polyetheretherketon (PEEK), polyamide, polyurethane, carbon fibers, polyethylene, polyimide, aramid, polytetafluoroehtylene (PTFE), ethylenetetafluoroethylene (ETFE), spider silk fabrics, spider silk fibers, and artificial spider silk. ### Claim 6 (depends on 1) The implantable electrical line as claimed in claim 1, wherein the at least one helically wound electrical conductor is insulated by a coating. ### Claim 7 (depends on 1) The implantable electrical line as claimed in claim 1, wherein the at least two fibers or fiber bundles are insulated by a coating. ### Claim 8 (depends on 1) The implantable electrical line as claimed in claim 1, further comprising insulation between the at least one helically wound electrical conductor and the at least two fibers or fiber bundles. ### Claim 9 (depends on 1) The implantable electrical line as claimed in claim 1, wherein the fiber braid comprises electrically non-conductive fibers comprising plastic, and further comprises electrically conductive fibers comprising metal. ### Claim 10 (depends on 1) The implantable electrical line as claimed in claim 1, wherein the lead or the lead segment further comprises a single portion. ### Claim 11 (depends on 1) The implantable electrical line as claimed in claim 1, wherein the implantable electrical line is one or more of a cardiac pacemaker and a defibrillator electrode line, and further comprises one or more electrode poles electrically connected to the lead or the lead segment. ### Claim 12 An implantable electrical line comprising: a lead or a lead segment, wherein said lead or said lead segment comprises at least one helically wound electrical conductor, wherein the at least one helically wound electrical conductor is surrounded by a fiber braid comprising at least two fibers or fiber bundles, and wherein the at least two fibers or fiber bundles are interwoven and are wound around the at least one helically wound electrical conductor in opposite winding directions, wherein the at least one helically wound electrical conductor forms a coil comprising two longitudinal ends, wherein the coil is electrically conductively and mechanically connected at one end of the two longitudinal ends end to an electrically conductive sleeve or at each end of the two longitudinal ends to an electrically conductive sleeve, wherein the at least two fibers or fiber bundles are connected to one or more of the electrically conductive sleeve at the one end and the electrically conductive sleeves at the each end of the two longitudinal ends, wherein at least one of the electrically conductive sleeves forms a capacitor with a coil sleeve, wherein the coil sleeve is concentric with the at least one electrically conductive sleeve, and wherein the coil sleeve is electrically insulated from the electrically conductive sleeve or the electrically conductive sleeves by a dielectric.