Medtronic CRM Product Performance Report

4058, 4058M Screw-In

    Product Characteristics
US Market Release Jan-89   Serial Number Prefix ZY or LAW
Registered US Implants 101,900   Type and/or Fixation Transvenous, V or A, Screw-in
Estimated Active US Implants 20,800   Polarity Bipolar
Advisories None   Steroid No

 

Atrial Placement    
System Longevity Study Results  
US Returned Product Analysis
Implant Damage 388
Electrical Malfunction 261
Other 23
Number of Leads Enrolled in Study 2,364
Cumulative Months of Follow-Up 131,441
Number of Leads Active in Study 44
     
Qualifying Complications 33 Total  
Extra Cardiac Stimulation 1  
Failure to Capture 15  
Failure to Sense 7  
Impedance Out of Range 5  
Insulation (not further defined) 1  
Lead Dislodgement 3  
Oversensing 1  
     

Survival Estimate of 4058, 4058M Screw-In Atrial Placement Leads

Ventricular Placement    
System Longevity Study Results    
Number of Leads Enrolled in Study 1,690
Cumulative Months of Follow-Up 77,493
Number of Leads Active in Study 49
     
Qualifying Complications 53 Total  
Conductor Fracture 5  
Extra Cardiac Stimulation 3  
Failure to Capture 22  
Failure to Sense 10  
Impedance Out of Range 7  
Insulation (not further defined) 4  
Lead Dislodgement 1  
Oversensing 1  
     
Survival Estimate of 4058, 4058M Screw-In Ventricular Placement Leads