FDA Adverse Event Injury Summary report: N

COGNIS

MDR report key: 3052665 · Received April 11, 2013

Report

Report Number
2124215-2013-04458
Event Type
Injury
Date Received
April 11, 2013
Date of Event
March 1, 2013
Report Date
March 19, 2013
Manufacturer
GUIDANT CRM CLONMEL IRELAND
Product Code
LWP
Removal / Correction Number
Z-0025-2014
Adverse Event
Yes
Product Problem
Yes
Report Source
Manufacturer report
Reporter Occupation
HEALTH PROFESSIONAL

Narratives

Additional Manufacturer Narrative · 1

(B)(4). BOSTON SCIENTIFIC HAS ISSUED AN ADVISORY COMMUNICATION REGARDING AN OLDER SUBSET OF COGNIS/TELIGEN DEVICES THAT IS MORE SUSCEPTIBLE TO THIS ANOMALY. SPECIFICALLY, THE PERFORMANCE OF A LOW VOLTAGE CAPACITOR MAY BE COMPROMISED OVER TIME, CAUSING AN INCREASED CURRENT DRAIN THAT CAN LEAD TO PREMATURE BATTERY DEPLETION. THIS PARTICULAR DEVICE WAS INCLUDED IN THE ADVISORY POPULATION.

Additional Manufacturer Narrative · 1

ANALYSIS OF THE DEVICE IS CURRENTLY BEING PERFORMED. THIS REPORT WILL BE UPDATED UPON COMPLETION.

Additional Manufacturer Narrative · 1

UPON RECEIPT AT OUR QUALITY ASSURANCE LABORATORY, THIS DEVICE WAS THOROUGHLY INSPECTED AND ANALYZED. REVIEW OF THE DEVICE MEMORY CONFIRMED TWO LOW VOLTAGE BATTERY FAULTS (FAULT CODE 1003) HAD BEEN RECORDED. EXTERNAL VISUAL INSPECTION OF THE DEVICE NOTED NO ANOMALIES. INITIAL AUTOMATED TESTING VERIFIED BASIC SENSING, PACING AND SHOCKING FUNCTIONS OF THE DEVICE. AFTER THE TITANIUM CASE WAS OPENED, MICROSCOPIC VISUAL INSPECTION DID NOT REVEAL ANY IRREGULARITIES. THE BATTERY WAS THEN REMOVED, SO THAT AN EXTERNAL POWER SUPPLY COULD BE CONNECTED TO THE DEVICE FOR FURTHER ANALYSIS. A HIGHER THAN NORMAL CURRENT USAGE WAS OBSERVED. ELECTRICAL TESTING ISOLATED THE HIGH CURRENT CONDITION TO A COMPROMISED LOW VOLTAGE CAPACITOR THAT IS CONNECTED TO THE DEVICE'S BATTERY. THIS TYPE OF COMPONENT MALFUNCTION CAN RESULT IN A HIGH CURRENT DRAIN, WHICH OVER TIME CAN RESULT IN PREMATURE BATTERY DEPLETION, AS WAS OBSERVED IN THIS CASE.

Description of Event or Problem · 1

BOSTON SCIENTIFIC RECEIVED INFORMATION THAT PATIENT HAD REPORTED HEARING A BEEPING TONE HEARD COMING FROM THE DEVICE. UPON INTERROGATION A FAULT CODE WAS DISPLAYED. AN ATTEMPT TO PERFORM A SAVE TO DISC FOR ANALYSIS BUT WAS UNABLE TO EXPORT THE INFORMATION. THE PHYSICIAN DECIDED TO EXPLANT THE DEVICE. THERE WERE NO ADVERSE PATIENT EFFECTS. THE DEVICE WAS RETURNED.

Description of Event or Problem · 1

--

Devices

Seq Brand Generic Product Code Manufacturer Model Lot UDI-DI
155454 COGNIS IMPLANTABLE CHF PULSE GENERATOR LWP GUIDANT CRM CLONMEL IRELAND N119

Patients

Seq Age Sex Outcome Treatment
1 64 YR Hospitalization| L| R 4543| 4469| 0184| N119| E110| 4592