Medtronic CRM Product Performance Report

6957 Spectraflex

    Product Characteristics
US Market Release Jul-79   Serial Number Prefix VC
Registered US Implants 29,100   Type and/or Fixation Transvenous, V or A, Screw-in
Estimated Active US Implants 2,000   Polarity Unipolar
Advisories None   Steroid No

 

Atrial Placement    
System Longevity Study Results  
US Returned Product Analysis
Implant Damage 85
Electrical Malfunction 39
Other 25
Number of Leads Enrolled in Study 673
Cumulative Months of Follow-Up 24,255
Number of Leads Active in Study 1
     
Qualifying Complications 10 Total  
Extra Cardiac Stimulation 1  
Failure to Capture 3  
Failure to Sense 5  
Oversensing 1  
     

Survival Estimate of 6957 Spectraflex Atrial Placement Leads

Ventricular Placement    
System Longevity Study Results    
Number of Leads Enrolled in Study 1,853
Cumulative Months of Follow-Up 96,335
Number of Leads Active in Study 17
     
Qualifying Complications 42 Total  
Conductor Fracture 14  
Extra Cardiac Stimulation 2  
Failure to Capture 18  
Failure to Sense 2  
Impedance Out of Range 1  
Insulation (not further defined) 1  
Oversensing 4  
     
Survival Estimate of 6957 Spectraflex Ventricular Placement Leads