A maquet fse (field service engineer) visited the hospital and evaluated the device.The cover that fel of was not broken, but the safety chain was broken off from the middle.The purpose of the safety chain is to prevent the end cover from falling off in case of serious collision with other device obvious evidence of collision could be found on the end cover and the beam of csu.The fse in charge of the initial installation verified that all covers were examined prior to the release of the operating room to the customer; everything was in place and there were no issues at that time.The operating room staff approximately 2 or 3 weeks before it was fell off on (b)(6) based on above, maquet suzhou believes the root issue to be a failure of the or staff to be aware of their surrounding when positioning the other devices and a collision happened.The end cover was not fell off during the first collision, however, a second collision happened on (b)(6) during procedure setup which pull the end cover from broken off of chain.The maquet fst had secured the cover again using spare parts.
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