What is the key feature of the Model 3830 lead?

The key feature of the Model 3830 lead is its non-retractable screw-in mechanism. This design enables the lead to achieve stable and secure fixation within the heart tissue, which is crucial for maintaining appropriate electrical contact and ensuring reliable delivery of therapy. The non-retractable aspect means once the lead is screwed into place, it cannot be retracted, which helps prevent accidental dislodgement and promotes optimal lead performance over time.

In terms of lead function, a non-retractable screw-in design can provide greater stability compared to leads that might allow for retraction adjustments. This feature enhances the lead's ability to withstand the movements and forces experienced by the heart during normal activity, ultimately contributing to better patient outcomes in cardiac pacing. Such features are critical when considering lead selection for placement, as they directly impact the effectiveness and reliability of cardiac rhythm management devices.