Figure 92 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.) Bottom: Active fixation
lead with an electrically active screw. There is a steroid eluting collar
surrounding the screw. (Courtesy Medtronics, Inc.) Mond, H.G., MD, Permanent Cardiac
Pacemakers: Techniques of Implantation, Testing, and Surveillance, Hurst's
The Heart, 8th ed., p 815-841 |