Medtronic CRM Product Performance Report

4004, 4004M CapSure

    Product Characteristics
US Market Release Feb-89   Serial Number Prefix PS or LAV
Registered US Implants 72,600   Type and/or Fixation Transvenous, Vent., Tines
Estimated Active US Implants 5,800   Polarity Bipolar
      Steroid Yes
Advisories 1   1993 Lead Survival Below Expectations

 

Ventricular Placement    
System Longevity Study Results  
US Returned Product Analysis
Implant Damage 56
Electrical Malfunction 688
Other 19
Number of Leads Enrolled in Study 1,640
Cumulative Months of Follow-Up 71,653
Number of Leads Active in Study 4
     
Qualifying Complications 277 Total  
Conductor Fracture 7  
Electrical Abandonment 1  
Extra Cardiac Stimulation 2  
Failure to Capture 131  
Failure to Sense 62  
Impedance Out of Range 32  
Insulation (ESC) 4  
Insulation (MIO) 4  
Insulation (not further defined) 7  
Medical Judgment 1  
Oversensing 25  
Unspecified Clinical Failure 1  
     

Survival Estimate of 4004, 4004M CapSure Ventricular Placement Leads