| CPC H05K 5/0247 (2013.01) [A61B 8/12 (2013.01); A61B 8/461 (2013.01); H05K 5/0086 (2013.01)] | 7 Claims |

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1. A cable coupler, comprising:
outer surfaces shaped to seat in face-sharing contact with counterpart surfaces of opposing walls of a channel of a frame; and
a passage extending through the cable coupler and opened at opposing first and second openings, the passage, first opening, and second opening shaped to enclose a portion of a cable, the passage defining a central axis,
wherein the outer surfaces each have a same radius of curvature, with the passage extending through a center of curvature of the outer surfaces, and
wherein the outer surfaces define a plane that intersects the central axis.
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