Coiled ring contacts for electrical stimulation systems and methods of making and using same

A connector assembly, comprising:

• a connector body having an elongated shape with a first end, an opposing second end, and a longitudinal axis, the connector body defining a port at the first end configured to receive a proximal part of a lead or lead extension;
• and
• a plurality of coiled ring contacts axially spaced-apart within the connector body and collectively forming a lumen that extends from the port along the longitudinal axis of the connector body, each coiled ring contact comprising
• a contact housing comprising a first part and a second part attached to the first part, wherein at least the first part comprises a first radial sidewall and a first lateral sidewall extending laterally from the first radial sidewall, the first radial sidewall and the first lateral sidewall defining a pocket, and
• a coiled ring disposed within the contact housing, wherein the coiled ring contact is configured for disposal of the coiled ring within the pocket defined by the first part of the contact housing and prior to attachment of the second part to the first part, wherein the coiled ring is positioned within the contact housing so that insertion of the proximal part of the lead or lead extension through the coiled ring contact results in contact between the coiled ring and the lead or lead extension.