Medical device lead including a unifilar coil with improved torque transmission capacity and reduced MRI heating
First Claim
Patent Images
1. A medical device lead comprising:
- an electrode;
a helically coiled conductor electrically coupled to the electrode, the helically coiled conductor including a plurality of turns helically wound around a longitudinal axis of the conductor, wherein the helically coiled conductor consists of one filar; and
a polymer sheath formed over the helically coiled conductor.
0 Assignments
0 Petitions
Accused Products
Abstract
A medical device lead includes an electrode, a helically coiled conductor electrically coupled to the electrode, and a polymer sheath formed over the helically coiled conductor. The helically coiled conductor includes a plurality of turns helically wound around a longitudinal axis of the conductor, and consists of one filar.
-
Citations
22 Claims
-
1. A medical device lead comprising:
-
an electrode; a helically coiled conductor electrically coupled to the electrode, the helically coiled conductor including a plurality of turns helically wound around a longitudinal axis of the conductor, wherein the helically coiled conductor consists of one filar; and a polymer sheath formed over the helically coiled conductor. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
-
-
9. A medical device lead comprising:
-
an electrode; a helically coiled conductor electrically coupled to the electrode, the helically coiled conductor including a plurality of turns helically wound around a longitudinal axis of the conductor assembly, the helically coiled conductor having a coil pitch and an outer diameter and consisting of one filar having a filar diameter, wherein the coil pitch and outer diameter are selected based on the filar diameter to minimize heating of the helically coiled conductor in the presence of an MRI field; and a polymer sheath formed over the helically coiled conductor. - View Dependent Claims (10, 11, 12, 13, 14, 15, 16)
-
-
17. A conductor assembly for a medical device lead, the conductor assembly comprising:
-
a helically coiled conductor configured to be coupled to a pulse generator at a proximal end and an electrode at a distal end, the helically coiled conductor including a plurality of turns helically wound around a longitudinal axis of the conductor assembly, wherein the helically coiled conductor consists of one filar; and a polymer sheath formed over the helically coiled conductor. - View Dependent Claims (18, 19, 20, 21, 22)
-
Specification