It was reported that, during npwt on (b)(6) 2023, it was noticed that one (1) renasys touch non connect 4th ed device was alarming warning leak.The device was turn off and turn on.During nightshift, staff changed dressing due to leak alarm, then, the device continued delivering therapy.On (b)(6) 2023, leak alarm sounds for am/pm.Nurses reinforced with hypafix dressing but device was still alarming.During night, dressing was changed, and the device continued working.It was noticed that there was no full graft on wound bed.On (b)(6) 2023, the doctor noted that the dressing had ben change from foam to gauze without plastic input and dressing should not have been touched without plastics input.The use of hypafix for rectifying leaks doesn¿t align with clinical guidelines.The treatment was resumed, without any delay, using a s+n back-up device.Patient returned to theatre for grafting of wound.
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