On march 24, 2020, richard wolf (b)(4) (rw (b)(4)) received adverse event report number (b)(4).The following was reported: on (b)(6) 2020 the medical staff used the irrigation pump to expand the uterine cavity during the operation.The operating doctor found that the water flow was insufficient and the equipment showed that the pressure and flow were normal.The doctor finally completed the operation under low water flow.The equipment department personnel inspected the equipment and found that the membrane of the tube used for connection was broken and water was seeping, but the equipment could not recognize and alarm.The operation was impacted, but there was no patient harm and no treatment measure was required.
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