FDA Adverse Event Malfunction Summary report: N

SKYLIGHT IMAGING SYSTEM

MDR report key: 2013652 · Received February 4, 2011

Report

Report Number
2916556-2011-00001
Event Type
Malfunction
Date Received
February 4, 2011
Report Date
January 13, 2011
Manufacturer
PHILIPS MEDICAL SYSTEMS (CLEVELAND), INC.
Product Code
KPS
Removal / Correction Number
2916556-12/28/2010-002-C
Product Problem
Yes
Report Source
Manufacturer report
Reporter Location
TX, US
Reporter Occupation
OTHER HEALTH CARE PROFESSIONAL

Narratives

Additional Manufacturer Narrative · 1

INVESTIGATION BY PHILIPS ENGINEERING FOUND THAT THREE SUBJECT CAMERA SYSTEMS FAILED WITH SIMILAR MODES AND EFFECTS. THE FAILURE MODE IS THE CRACKED LOWER ARM CASTING AT THE UPPER "EAR" SECTION. THIS FAILURE RESULTS IN DOWNWARD DISPLACEMENT OF THE ARM AND DETECTOR DUE TO GRAVITY. THE EXACT CAUSE OF FAILURE OF THIS SPECIFIC CAMERA SYSTEM WAS NOT DETERMINED BECAUSE THE ARM WAS NOT MADE AVAILABLE FOR ANALYSIS DURING THIS PERIOD OF TIME. NO SPECULATION IS PROVIDED FOR CAUSE OF THIS FAILURE. ADDITIONAL FAILURE ANALYSES WERE CONDUCTED ON TWO OF THE PREVIOUSLY RETURNED SUBJECT CAMERA'S ARM WITH CAUSES OF LOWER ARM CRACKS ATTRIBUTED TO ONE OR MORE OF THE FOLLOWING: MATERIAL PROPERTIES NOT MEETING SPECIFICATION. MISALIGNMENT OF THE TWO (2) LINEAR BEARING RAILS AND THE INABILITY OF THE FULLY COMPRESSED BELLEVILLE WASHERS TO DISPLACE ENOUGH LOAD TO LIMIT EAR SECTION BENDING. OPERATOR MISUSE RESULTING IN ARM COLLISION WITH STATIC OBJECT SUCH AS THE PATIENT TABLE RESULTING IN OVERLOADING OF THE LOWER ARM CASTING. THE AMOUNT OF PRELOAD APPLIED BY THE BELLEVILLE WASHERS CAN CAUSE BENDING STRESSES IN THE EAR SECTIONS. THE AMOUNT OF PRELOAD VARIES WITH PART TOLERANCES AND BEARING RAIL MISALIGNMENT. ALL POTENTIALLY AFFECTED SKYLIGHT AND PRECEDENCE SYSTEMS WILL BE INSPECTED AND CORRECTED VIA C&R 2916556-12/28/2010-002-C. (B)(4).

Description of Event or Problem · 1

A CUSTOMER SITE HAS REPORTED THAT SYSTEM IS SUSPECTED TO HAVE A CRACK IN THE DETECTOR ARM.

Devices

Seq Brand Generic Product Code Manufacturer Model Lot UDI-DI
1 SKYLIGHT IMAGING SYSTEM GAMMA CAMERA SYSTEMS KPS PHILIPS MEDICAL SYSTEMS (CLEVELAND), INC. 2160-300B

Patients

Seq Age Sex Outcome Treatment
1