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Concomitant medical products: liner 28 mm i.D.For use with 50/51/52 mm o.D.Shells, catalog#: 00500105028; lot#: 64892224.Shell 52 mm o.D.Catalog#: 00500105200 ; lot#: 3039253, femoral head 12/14 taper 28 mm diameter -3.5 neck length catalog#: 802202801; lot#: 3035224.Endo femoral head 12 / 14 taper catalog#: 00781805200 ; lot#: 64808465.The manufacturer did not receive x-rays, or other source documents for review.The manufacturer did not receive the device yet, however it is indicated by complainant that it will be returned for investigation.The lot number of the device was received.The device history records will be reviewed during investigation.A cause for this specific event cannot be ascertained from the information provided.As soon as supplemental information becomes available an updated report will be submitted.Zimmer biomet¿s reference number of this file is (b)(4).Product not available.
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This follow-up report is being filled to relay additional information, which was unknown at the time of initial medwatch.New information received: xray received, implant and revision surgery reports (will be reviewed during investigation).Patient dob: (b)(6) 1944.Patient identifier ((b)(6)).Investigation of this incident is currently ongoing, a follow up report will be submitted when additional information becomes available.Zimmer biomet¿s reference number of this file is (b)(4).The following reports are associated with this event: 0009613350-2021-00686.
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This report is being submitted to relay additional information.Customer indicated that the product is not available.Investigation of this incident has been completed.Event happened in alaska.Investigation and conclusion: 1.Event description: it was reported that the patient underwent left hip hemiarthroplasty on (b)(6), 2021.Subsequently, the patient was revised on (b)(6), 2021 due to recurrent dislocation.It is believed that the original femoral component was cemented too proud and the patient hip joint was believed to be too tight.The stem was revised to a smaller size and placed with more anteversion.Harm: s3 - dislocation.Hazardous situation: implant is implanted with an incorrect orientation, placement or alignment without correction before completing implantation.2.Review of received data: - due diligence: no further due diligence required as all required information to support the conclusion is available or was already requested.- x-rays: one undated x-ray of the pelvis has been received, but was not reviewed as the revision notes contain sufficient dictation of findings.- surgical report: the surgical report for the initial implantation dated (b)(6), 2021 has been received: indication: closed left displaced femoral neck fracture procedure: open treatment, left femoral neck fracture with hemiarthroplasty.No intraoperative complications were identified.The surgical report for the revision surgery dated (b)(6), 2021 has been received: indication: left unstable hip hemiarthroplasty procedure: left revision hip hemiarthroplasty.No purulence, large hematoma encountered, necrotic devitalized muscle, posterior capsular repair had ruptured: the previously placed hemiarthroplasty was irreducible after remaining out.Retroverted stem corrected into 25 degree anteversion.Patient presented with dislocation, tight adduction contracture noted upon reduction, while inpatient, patient dislocated again while using an abduction pillow and knee immobilizer.Previous stem found to have no anteversion and 3-4 degree retroversion.New stem cemented in place, new head.No intraoperative complications.3.Product evaluation: - no product was returned; therefore, visual and dimensional evaluation could not be performed.4.Review of product documentation: - device purpose: all involved devices are intended for treatment.- product compatibility: the product combination was approved by zimmer biomet.- dhr review: the quality records show that all specified characteristics have met the specifications valid at the time of production with no ncr found.5.Conclusion: it was reported that the patient underwent left hip hemiarthroplasty on (b)(6), 2021.Subsequently, the patient was revised on (b)(6), 2021 due to recurrent dislocation.It is believed that the original femoral component was cemented too proud and the patient hip joint was believed to be too tight.The stem was revised to a smaller size and placed with more anteversion.The quality records show that all specified characteristics have met the specifications valid at the time of production.Therefore, the investigation did not identify a nonconformance or a complaint out of box (coob).Surgical reports provided were reviewed by a health care professional.It was mentioned that the surgeon thought the original femoral component was cemented too proud and the patient's hip joint too tight, leading to a dislocation, but this cannot be confirmed.Therefore, a definitive root cause cannot be determined.No corrective actions, preventive actions, or field actions resulted after investigation of this event.If any further information is found which would change or alter any conclusions or information, a supplemental report will be filed accordingly.Zimmer biomet will continue to monitor for trends.
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