WRIGHT MEDICAL TECHNOLOGY INC PROPHECY INBONE PATIENT SPECIFIC GUIDES; PROSTHESIS, ANKLE, SEMI-CONSTRAINED, CEMENTED, METAL/POLYMER
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Model Number PROPINB |
Device Problem
Failure to Align (2522)
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Patient Problem
No Clinical Signs, Symptoms or Conditions (4582)
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Event Date 10/04/2022 |
Event Type
malfunction
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Event Description
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It was reported that the patient presented for a total ankle replacement procedure.During the surgery, the physician had an issue with the prophecy blocks.The block pin holes did not line up with the size 4 corresponding resection guide (or size 3 which was tested as well).After pinning the prophecy block, the surgical team attempted to place the resection block over the wires in the tibial cut prox corners per the usual technique and the pins were off by 3-4 mm.The physician had to line up the size 4 resection guide to the prophecy block to create a new hole that matched the resection block.There was a surgical delay because the surgeon had to create new holes in the prophecy block essentially rendering them useless.
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Manufacturer Narrative
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Once the investigation has been completed any additional information will be reported in a supplemental report.Hospital retained the device.
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Event Description
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It was reported that the patient presented for a total ankle replacement procedure.During the surgery, the physician had an issue with the prophecy blocks.The block pin holes did not line up with the size 4 corresponding resection guide (or size 3 which was tested as well).After pinning the prophecy block, the surgical team attempted to place the resection block over the wires in the tibial cut prox corners per the usual technique and the pins were off by 3-4 mm.The physician had to line up the size 4 resection guide to the prophecy block to create a new hole that matched the resection block.There was a surgical delay because the surgeon had to create new holes in the prophecy block essentially rendering them useless.
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Manufacturer Narrative
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Based on further investigation and review of the new information received the reportability decision was revised to non-reportable, as the reported malfunction have not caused or contributed to death or serious injury.The review of the risk documentation and the reported information regarding this event do not suggest a recurrence of this event would result in a death or serious injury.The surgery was completed successfully without any patient or end user impact.Investigation results have revealed that the root cause was attributed to an isolated manufacturing error.A nonconformance was initiated to further address the issue.The current operative technique was reviewed and states: "the surgeon can choose to revert back to the traditional inbone® foot holder surgical technique if there are any concerns with the planned resection, therefore such procedure can still be completed without the use of the patient specific guides.Product surveillance will continue to monitor complaints of this type for adverse trends.
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