Implantable electrical line

Patent metadata

Field	Value
Publication number	US-2016106973-A1
Application number	US-201514855253-A
Country	US
Kind code	A1
Filing date	Sep 15, 2015
Priority date	Oct 16, 2014
Publication date	Apr 21, 2016
Grant date	—

Abstract

Embodiments include an implantable electrical line with at least one helically wound electrical conductor, an electrically conductive sleeve electrically connected to the electrical conductor, and an electrical filter. The electrical filter is arranged between a proximal and a distal longitudinal portion of a helix formed by the at least one helically wound electrical conductor as viewed in a longitudinal direction of the implantable electrical line, and is also arranged within the electrically conductive sleeve as viewed in a radial direction of the implantable electrical line.

First claim

What is claimed is:

1 . An implantable electrical line comprising:
at least one helically wound electrical conductor; at least one electrically conductive sleeve electrically connected to the at least one helically wound electrical conductor; and, at least one electrical filter; wherein the at least one electrical filter is arranged between a proximal longitudinal portion and a distal longitudinal portion of a helix formed by the at least one helically wound electrical conductor in a longitudinal direction of the implantable electrical line, and wherein the at least one electrical filter is further arranged within the at least one electrically conductive sleeve in a radial direction of the implantable electrical line.

2 . The implantable electrical line as claimed in claim 1 , wherein the implantable electrical line is a multi-pole electrode line, wherein the at least one electrically conductive sleeve comprises a plurality of electrically conductive sleeves as electrode poles, wherein the at least one helically wound electrical conductor comprises a plurality of helically wound electrical conductors, wherein each of the plurality of electrically conductive sleeves are electrically connected to an electrical conductor of the plurality of helically wound electrical conductors, and wherein the plurality of helically wound electrical conductors form a co-radial line coil.

3 . The implantable electrical line as claimed in claim 1 , further comprising a proximal electrode pole located at a most proximal portion of the implantable electrical line, wherein the at least one electrical filter comprises an electrical filter associated with the proximal electrode pole and associated with an electrically conductive sleeve of the at least one electrically conductive sleeve, and wherein the electrical filter is arranged proximally to the associated electrically conductive sleeve.

4 . The implantable electrical line as claimed in claim 1 , further comprising a distal electrode pole located at a most distal portion of the implantable electrical line, wherein the at least one electrical filter comprises an electrical filter associated with the distal electrode pole, and wherein the electrical filter associated with the distal electrode pole is arranged distally to the distal electrode pole.

5 . The implantable electrical line as claimed in claim 1 , wherein the at least one electrical conductive sleeve forms an electrode pole, wherein the at least one electrical filter is associated with the electrode pole, and wherein the at least one electrical filter is arranged within the at least one electrically conductive sleeve that forms the electrode pole.

6 . The implantable electrical line as claimed in claim 1 , wherein each of the at least one electrically conductive sleeve forms a ring electrode or an electrode line.

7 . The implantable electrical line as claimed in claim 1 , wherein the at least one electrical filter comprises a coil made of insulated wire, wherein said coil is wound with an odd number of layers around a hollow cylindrical core in a helical manner.

8 . The implantable electrical line as claimed in claim 1 , wherein the at least one electrical filter comprises a coil made of insulated wire, wherein said coil is wound with an even number of layers around a hollow cylindrical core in a helical manner.

9 . The implantable electrical line as claimed in claim 1 , wherein the at least one electrical filter comprises a non-insulated or insulated wire wound in a single layer and a capacitive element.

10 . The implantable electrical line as claimed in claim 1 , wherein the at least one electrical filter comprises a coil, wherein the coil is wound in a spiraled manner around a hollow cylindrical core and wherein the coil comprises a film metalized on one side of the coil.

11 . The implantable electrical line as claimed in claim 10 , wherein the film is a plastic film.

12 . The implantable electrical line as claimed in claim 1 , wherein the at least one electrical filter comprises a band-stop filter or a low-pass filter.

13 . The implantable electrical line as claimed in claim 1 , wherein the at least one helically wound electrical conductor comprises a plurality of helically wound electrical conductors that form a co-radial coil feed line,
wherein the plurality of helically wound electrical conductors comprise a cut conductor with cut line ends and at least one other conductor that is not cut, wherein the at least one electrical filter is electrically connected to the cut line ends of the conductor of the co-radial coil feed line, and wherein the at least one other conductor of the co-radial coil feed line that is not cut is passed by the at least one electrical filter in an interrupted manner.

14 . A method of producing an electrode line with at least one electrode pole and at least one electrical filter, wherein the method comprises:
untwisting a co-radial coil feed line at a location of the at least one electrode pole, cutting a conductor of the co-radial coil feed line, such that cut line ends are produced, freeing the cut line ends from insulation, inserting at least one electrical filter where the co-radial coil feed line is untwisted, electrically contacting the at least one electrical filter with the cut line ends of the cut conductor freed from insulation, sliding on at least one electrically conductive sleeve forming a subsequent electrode pole, such that the at least one electrical filter is located within the at least one electrically conductive sleeve, contacting the at least one electrically conductive sleeve, and, insulating exposed wires and contact points in the region of the at least one electrode pole.

Assignees

• Biotronik Se & Co Kg

Inventors

• Weitzig Pierre
• Friedrich Michael
• Rump Jens

Classifications

• A61N1/086

  Magnetic resonance imaging [MRI] compatible leads · CPC title

• A61N1/056 Primary

  Transvascular endocardial electrode systems · CPC title

• A61N2001/086

  Human Necessities · mapped topic

• A61N1/08

  Arrangements or circuits for monitoring, protecting, controlling or indicating {(for external stimulators A61N1/3603; for implantable neurostimulators A61N1/36128; for heart stimulators A61N1/37; for defibrillators A61N1/3925)} · CPC title