Figure 92a Top:
Active fixation lead with a porous electrode and an electrically inert
screw. Surrounding the electrode is a silicone rubber collar impregnated
with dexamethasone sodium phosphate (steroid). (Courtesy Telectronics
Pacing Systems.) Mond, H.G., MD, Permanent Cardiac Pacemakers: Techniques of Implantation, Testing, and Surveillance, Hurst's The Heart, 8th ed., p 815-841 (modified) |