Embodiments of the invention are generally directed to a mechanical support (102) of a pelvic treatment apparatus (100) that is configured for implantation in the pelvic region of a patient for the purpose of treating a pelvic condition of the patient, such as urinary incontinence, fecal incontinence, sexual dysfunction, or other pelvic related condition. In some embodiments, the implantable mechanical support comprises a section of mesh (104) having a longitudinal axis (106) and at least one radiopaque mark (114) covering a subsection of the section of mesh. Additional embodiments are directed to methods of attaching an electrode lead (122) or an electrical lead (180) to the mechanical support subsequent to the implantation of the mechanical support using the radiopaque mark.