FDA Adverse Event Malfunction Summary report: N

TOMOTHERAPY HDA SYSTEM

MDR report key: 7047313 · Received November 20, 2017

Report

Report Number
3003873069-2017-00015
Event Type
Malfunction
Date Received
November 20, 2017
Date of Event
October 27, 2017
Report Date
October 27, 2017
Manufacturer
ACCURAY INCORPORATED
Product Code
IYE
PMA / PMN Number
K121934
Removal / Correction Number
3003873069/11/15/2017/00
Product Problem
Yes
Report Source
Manufacturer report
Reporter Location
JA
Reporter Occupation
OTHER

Narratives

Additional Manufacturer Narrative · 1

ACCURAY HAS IDENTIFIED AN ISSUE THAT RELATES TO THE HIGH-PERFORMANCE PATIENT COUCH. UNDER CERTAIN CIRCUMSTANCES WHEN THE USER INITIATES PATIENT COUCH MOTION IN THE Z-DIRECTION FOR PATIENT SETUP OR PATIENT UNLOADING USING THE KEYPAD OR POSITIONING CONTROL PANEL (PCP) IT MAY EXHIBIT UNINTENDED DESCENT. THE ROOT CAUSE OF THE ISSUE WAS DETERMINED TO BE THE CONTROL SYSTEM'S HANDLING OF THE MOTION FEEDBACK LOSS WITHIN THE VERTICAL DRIVE ACTUATOR. ACCURAY HAS INITIATED A FIELD CORRECTION TO ADDRESS THIS ISSUE WITHIN 3003873069/11/15/2017/001C IN THE FORM OF A SOFTWARE PATCH AND REPLACEMENT OF CABLES WITHIN THE COUCH SUBSYSTEM.

Description of Event or Problem · 1

IT WAS REPORTED THAT THE COUCH HAD AN UNEXPECTED DESCENT OF 3.8 CM WHILST THE CUSTOMER WAS COMMANDING AN UPWARDS MOVE VIA THE COUCH CONTROL KEYPAD (CCK). NO BURN MARKS WERE OBSERVED ON THE BRAKING RESISTOR BOARD (BRB). NO PATIENT WAS ON THE TABLE AT THE TIME OF THE EVENT.

Devices

Seq Brand Generic Product Code Manufacturer Model Lot UDI-DI
825440 TOMOTHERAPY HDA SYSTEM TOMOTHERAPY TREATMENT SYSTEM IYE ACCURAY INCORPORATED 1018286

Patients

Seq Age Sex Outcome Treatment
1