Patent ID: 8108052

Claim:
A patient treatment device, comprising a lead body that includes: a first percutaneous portion carrying a plurality of electrodes and having a first aperture extending into the first percutaneous portion, the first percutaneous portion having a first diameter and a first portion of a bayonet fitting, the stylet; a second percutaneous portion spaced apart from the first percutaneous portion and having a second aperture extending entirely through the second percutaneous portion, the second percutaneous portion having a second diameter; and a third percutaneous portion positioned between the first and second portions along a deployment axis and having a third diameter less than the first and second diameters, the third portion having a stiffness in a direction transverse to the deployment axis that is less than a stiffness of the first portion transverse to the deployment axis, and less than a stiffness of the second portion transverse to the deployment axis, the third portion including multiple electrical signal paths between the second portion and the electrodes of the first portion; and a stylet removably received in the first and second apertures, the stylet having a second portion of the bayonet fitting and the first percutaneous portion being releasably coupled with the bayonet fitting, with the stylet being rotatable about the deployment axis and translatable along the deployment axis relative to the first percutaneous portion between a secured position and an unsecured position.