The xenograft was not available to return for inspection as it remains implanted.Therefore, a comprehensive re-review of manufacturing records, quality control/assurance reviews and release, and complaint database for related complaints associated with the lot was conducted.There were no departures noted during records re-review that would negatively affect the manufacturing of xenografts from lot nz18450064.All bovine pericardium implants undergo a validated sterilization method (tutoplast® which includes terminal sterilization by gamma irradiation after packaging).Manufacturing records indicate that all xenografts implants manufactured from this lot met all specifications and release criteria prior to distribution.To date, rti has manufactured and distributed a total of 11 xenograft implants, without related complaints for the lot.Additional information is needed to better understand and possibly explain the complications reported, including information regarding the preparation of the xenograft prior to implantation, suture procedure and suture material utilized, whether the graft was fixed under tension, and whether the patient has an allergy to bovine collagen and/or bovine material.
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Rti surgical, inc (rti) received an adverse event complaint from (b)(4) on 08/11/2020 the reported complaint indicated that the graft dissolved post transplantation.Additional information has been requested from (b)(4) (distributor) and the facility.To date, no additional information has been received.
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