The information initially provided by local distributor indicates: date of initial surgery: (b)(6) 2022.Body part to which device was applied: femoral canal.Surgery description: arthroplasty revision.Patient's information: 80 year-old, male, weight: 89.2 kg; height: 163.9 cm; previous health condition: primary cemented thr.Problem observed during: clinical use on patient/intraoperative.Type of problem: device functional problem.Event description: the machine was completely not delivering any energy to melt the cement half way through the surgery.The oscar was in use prior to that approximately 30-45 minutes, the team tried different hand pieces and connected to different terminals.It stopped working in the middle of the femoral canal where the cement is more in quantity below the old stem location.The surgeon was unable to advance the piercer probe ohp 2080su 8 mm.The cement was not melting at all though it made the ultrasonic sound.The complaint report form also indicated: the device failure had adverse effects on patient: loss of achieved correction the initial surgery was not completed with the device a replacement device of same model was not immediately available to complete surgery: it was performed a femoral osteotomy the event led to a delay in the duration of the surgical procedure: 2 hours an additional surgery was required: (b)(6) 2022.Prolonged surgery and additional procedure that made the operation more complex.Copy of operative reports and x-ray images are not available.Patient's current health condition: recovery phase of a major hip surgery.Further information received on 1st april 2022 from the local distributor: apparently the majority of the cement mantle had been removed and he was attempting to get through the cement plug to completely remove all traces of cement when the unit failed.He stated it worked well up until this point.Manufacturer reference number: (b)(4).Distributor reference number: (b)(4).
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Technical evaluation the returned oscar system, received in two different shipments on 7th april 2022 and on 5th may 2022, was examined by orthofix srl quality operation department.In particular, against this event, the following devices were received: - one ultrasonic generator code os3000 serial number (b)(6) (device originally complained): system oscar iii.- one cement removal handset code oh300/2 serial number (b)(6): system oscar iii.- one cement removal handset code oh300/2 serial number (b)(6): system oscar iii.- one handset for oscar ii code oh300 serial number (b)(6): system oscar ii in addition, three cables, code ch300, s/n (b)(6) were returned.In the visual check it was noticed that an oscar ii handset was returned with an oscar iii system.Oscar ii handsets are not compatible with oscar iii generators.All devices were tested and found functional, with the exception of the handset code oh300 serial number (b)(6).The cement removal handset, device code oh300 serial number (b)(6), is not functioning properly.The rear body seal is awash, due to the sealing loss from the rear odu socket and inside the switch button.Final comments: all oscar iii devices returned were tested and found to be functioning as expected.It was not possible to replicate the issue occurred during surgery.During the visual check it was noticed that an oscar ii handset was returned with the oscar iii system.The functional check of the oscar ii handset code oh300 s/n (b)(6) evidenced that the device is not functioning.The rear body seal is awash, due to the sealing loss from the rear odu socket and inside the switch button.The results of the technical evaluation concluded that the failure occurred could be related to the use of an oscar ii handset with an oscar iii system.Orthofix srl would like to remind that oscar ii handsets are not compatible with oscar iii generators.Orthofix srl continues monitoring the devices on the market.
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The information initially provided by local distributor indicates: - date of initial surgery: (b)(6) 2022.- body part to which device was applied: femoral canal.- surgery description: arthroplasty revision.- patient's information: 80 year-old, male, weight:89.2 kg; height:163.9 cm; previous health condition: primary cemented thr.- problem observed during: clinical use on patient/intraoperative.- type of problem: device functional problem.- event description: the machine was completely not delivering any energy to melt the cement half way through the surgery.The oscar was in use prior to that approximately 30-45 minutes, the team tried different hand pieces and connected to different terminals.It stopped working in the middle of the femoral canal where the cement is more in quantity below the old stem location.The surgeon was unable to advance the piercer probe ohp 2080su 8mm.The cement was not melting at all though it made the ultrasonic sound.The complaint report form also indicated: - the device failure had adverse effects on patient: loss of achieved correction.- the initial surgery was not completed with the device.- a replacement device of same model was not immediately available to complete surgery: it was performed a femoral osteotomy.- the event led to a delay in the duration of the surgical procedure: 2 hours.- an additional surgery was required: (b)(6) 2022.Prolonged surgery and additional procedure that made the operation more complex.- copy of operative reports and x-ray images are not available.- patient's current health condition: recovery phase of a major hip surgery.Further information received on 1st april 2022 from the local distributor: apparently the majority of the cement mantle had been removed and he was attempting to get through the cement plug to completely remove all traces of cement when the unit failed.He stated it worked well up until this point.Manufacturer reference number: (b)(4).Distributor reference number: (b)(4).
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