
Abbott IsoFlex Optim Pacing Lead | REF 1948
Abbott IsoFlex Optim pacing lead (REF 1948) — bipolar endocardial pacing lead featuring Optim insulation for enhanced durability and abrasion resistance.

The Boston Scientific FINELINE II Sterox Pacing Lead (REF 4470) is a transvenous, steroid-eluting endocardial pacing lead engineered for chronic cardiac pacing and sensing applications. As part of the established FINELINE II family, this lead is designed to deliver reliable electrical performance while supporting low chronic pacing thresholds through controlled dexamethasone elution at the electrode-tissue interface.
Key Features
Steroid-eluting tip designed to help reduce post-implant inflammation and support stable chronic pacing thresholds.
Bipolar lead configuration for focused sensing and pacing performance.
Silicone insulation with proven long-term biocompatibility in transvenous applications.
Low-profile electrode geometry intended to support efficient stimulation energy use.
Compatible with standard IS-1 connector pacing pulse generators (verify against current Boston Scientific compatibility matrix).
Engineered for transvenous endocardial placement using established implant techniques.
Clinical Applications
Chronic endocardial cardiac pacing in patients indicated for permanent pacemaker therapy.
Atrial or ventricular sensing and stimulation as determined by the implanting physician.
Use with compatible Boston Scientific or third-party IS-1 pulse generators in bradycardia pacing systems.
Suitable for standard transvenous implant approaches via the cephalic, subclavian, or axillary venous route.
Product Information
Brand: Boston Scientific
Product Line: FINELINE II Sterox
Category: Pacemaker Leads
REF / UPN: 4470
Lead Type: Transvenous endocardial pacing lead, steroid-eluting
Polarity: Bipolar
Connector Standard: IS-1 (verify with current manufacturer documentation)
Insulation Material: Silicone
Fixation Mechanism: Not specified in the located sources
Lead Length: Not specified in the located sources
Sterility: Supplied sterile for single use (refer to current IFU)
Storage and Handling: Per manufacturer Instructions for Use
Regulatory Status: Refer to current Boston Scientific regulatory documentation for the destination market
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