The Boston Scientific ENDOTAK RELIANCE 4-SITE DF4 Defibrillation Lead (REF 286) is a transvenous, silicone-insulated implantable cardioverter defibrillator (ICD) lead engineered for stable right ventricular fixation and consistent high-voltage therapy delivery. Utilizing the DF4-LLHH connector standard, this lead simplifies the ICD header connection by consolidating pace/sense and defibrillation conductors into a single in-line terminal, supporting streamlined implant procedures in pectoral ICD and CRT-D pocket placements.
Key Features
Transvenous ICD lead with DF4-LLHH single in-line connector for simplified header connection
Dual shocking coil design intended for optimized defibrillation vector and lower energy thresholds
GORE expanded polytetrafluoroethylene (ePTFE) coil covering designed to support extractability
Passive or active fixation configuration per the ENDOTAK RELIANCE family (verify fixation type for REF 286 with manufacturer documentation)
Silicone insulation with polyurethane segments for durability and handling
Steroid-eluting tip intended to help reduce acute pacing thresholds
Compatible with Boston Scientific DF4-compliant ICD and CRT-D pulse generators
Clinical Applications
Delivery of high-voltage defibrillation and cardioversion therapy for ventricular tachyarrhythmias
Antitachycardia pacing (ATP), bradycardia pacing, and intracardiac electrogram sensing
Right ventricular lead component in single-, dual-, and triple-chamber ICD and CRT-D systems
Use in patients indicated for ICD therapy per physician assessment and device labeling
Product Information
Brand: Boston Scientific
Product Line: ENDOTAK RELIANCE 4-SITE
Model / REF: 286
Category: ICD Leads for Implantable Cardioverter Defibrillators
Connector: DF4-LLHH (in-line quadripolar high-voltage connector)
Configuration: Dual-coil defibrillation lead (RV and SVC coils)
Insulation: Silicone with polyurethane segments
Coil Covering: ePTFE
Lead Length: Not specified in the located sources
Fixation Type: Not specified in the located sources for REF 286
Packaging: Single-use, sterile; verify sterilization method and expiration on device label
Regulatory Status: Refer to manufacturer IFU and regional regulatory documentation
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