MAUDE Adverse Event Report: SYNTHES BRANDYWINE PSI SD800.428 PEEK IMPLANT; PLATE,CRANIOPLASTY,PREFORMED, NONALTERABLE

Model Number SD800.428

Device Problem Inadequacy of Device Shape and/or Size (1583)

Patient Problem No Code Available (3191)

Event Date 05/11/2017

Event Type  Injury  

Manufacturer Narrative

Due to the intra-operative events, the device was not successfully implanted.As such, implant/explant dates are not applicable.Complainant part is expected to be returned for manufacturer review/investigation, but has yet to be received.(b)(6).(b)(4).A device history record (dhr) review was performed for part # sd800.428 and lot # h271832: manufacturing site: (b)(6), manufacturing date: 12-jan-2017: no non conformance reports (ncrs) were generated during production.Review of the device history record(s) showed that there were no issues during the manufacture of the product that would contribute to this complaint action.The investigation could not be completed; no conclusion could be drawn, as no product was received.Device was used for treatment, not diagnosis.If information is obtained that was not available for the initial medwatch, a follow-up medwatch will be filed as appropriate.

Event Description

Device report from synthes reports an event in (b)(6) as follows: it was reported that a patient specific implant (psi) peek implant did not match a patient's cranial defect during a cranioplasty surgery on (b)(6) 2017.Due to the fact that the implant did not match the patient's skull defect, the surgeon had to mold a new implant using surgical cement.There was a reported surgical delay of twenty (20) minutes.The surgery was completed successfully and patient was reported as stable.This report is for one (1) psi peek implant.This is report 1 of 1 for complaint (b)(4).

Manufacturer Narrative

The device was received, the investigation could not be completed, and no conclusion could be drawn, as product is entering the complaint system.Device was used for treatment, not diagnosis.If information is obtained that was not available for the initial medwatch, a follow-up medwatch will be filed as appropriate.

Manufacturer Narrative

Manufacturing evaluation was completed.Psi peek implant sd800.428, lot #h271832 was received with post production visual damage in an area opposite the apex laser etches.At completion of manufacturing process, product was inspected by cnc machinist and inspector for fit to 3d model with determination that product was conforming.During complaint evaluation, product was compared to 3d model and the psi peek implant fit model except where there was post production damage in temporal area; therefore, complaint is unconfirmed.Device was used for treatment, not diagnosis.If information is obtained that was not available for the initial medwatch, a follow-up medwatch will be filed as appropriate.

Manufacturer Narrative

Additional narrative: this part was returned to depuy synthes r&d for evaluation.The returned implant showed evidence that an attempted modification was made by the surgeon.The lower portion of the implant has been cut away and is no longer present.Otherwise the implant appears to be in good condition.Investigation: the following factors were considered during the investigation to determine if any may have contributed or caused the event described in the complaint: device design: the 3d printed items are referred to as a functional check device (fcd).Upon being notified of complaint the psi group reviewed the case file for this request.Review of the case file for this implant showed that the implant was reviewed and approved by the product designer, an independent reviewer as well as the requesting surgeon according to the relevant work instructions for psi design and production.Review of the device dhr also showed that the implant was inspected and passed the required checks necessary with no non-conformances.A functional check device (fcd) device was ordered and reviewed as part of the complaint investigation.Review of the model showed the implant covered the defect as designed and did not exhibit the condition described in the complaint.The patients ct scan information was also reviewed as part of the investigation.The acquisition parameters met the requirements of depuysynthes¿ scanning protocol.The ct scan supplied by the account was received seven months after the date the scan images were taken.The scan fell outside of our 4 month window for acceptance and a new scan or surgeon approval to use the current scan was sought.Approval to use the scan was received by depuysynthes.The complaint description states that the date of the event was (b)(6) 2017; this is approximately 16 months from the date of the initial ct scan.Depuysynthes scanning protocol warns that changes in patient anatomy may occur from the time of ct scan to implantation which could result in suboptimal fit of the implant.Depuysynthes recommends that the scan be no more than 4 months old at the time of design.Material of construction, packaging, tolerance stack-up/mating parts/compatibility, sterilization, labeling, user technique, manufacturing specifications: there is no evidence that any of these factors could have caused or contributed to the complaint description and was not considered further during the investigation.Risk assessment: he risk assessment was reviewed and found to adequately address this issue.Conclusion: in conclusion, the patient specific implant investigated as part of this complaint passed all design and manufacturing quality checks as proscribed by the relevant work instructions for psi design and manufacture.The fcd device was reproduced and reevaluated as part of the investigation.The fcd evaluation showed that the implant fit the defect as intended and did not show any signs of not matching as described in the complaint.The investigation did reveal that implantation of the device occurred approximately 16 months after the ct scan acquisition date, changes to the patient anatomy between the date of scan and device implantation may have contributed to the complaint event.The investigation will be dispositioned as unconfirmed.Device was used for treatment, not diagnosis.If information is obtained that was not available for the initial medwatch, a follow-up medwatch will be filed as appropriate.

• Brand Name: PSI SD800.428 PEEK IMPLANT
• Type of Device: PLATE,CRANIOPLASTY,PREFORMED, NONALTERABLE
• Manufacturer (Section D): SYNTHES BRANDYWINE; 1303 goshen parkway; west chester PA 19380
• Manufacturer (Section G): SYNTHES BRANDYWINE; 1303 goshen parkway; west chester PA 19380
• Manufacturer Contact: michael cote ; 1302 wrights lane east; west chester, PA 19380 ; 6107195000
• MDR Report Key: 6606305
• MDR Text Key: 76496011
• Report Number: 2530088-2017-10158
• Device Sequence Number: 1
• Product Code: GXN
• UDI-Device Identifier: 10887587065014
• UDI-Public: (01)10887587065014(10)H271832
• Combination Product (y/n): N
• Reporter Country Code: US
• PMA/PMN Number: K053199
• Number of Events Reported: 1
• Summary Report (Y/N): N
• Report Source: Manufacturer
• Source Type: company representative,foreig
• Reporter Occupation: Other
• Type of Report: Initial,Followup,Followup,Followup
• Report Date: 05/11/2017

1 Device was Involved in the Event

1 Patient was Involved in the Event

• Date FDA Received: 06/01/2017
• Is this an Adverse Event Report?: Yes
• Is this a Product Problem Report?: Yes
• Device Operator: Health Professional
• Device Model Number: SD800.428
• Device Catalogue Number: SD800.428
• Device Lot Number: H271832
• Was Device Available for Evaluation?: Device Returned to Manufacturer
• Date Returned to Manufacturer: 06/05/2017
• Is the Reporter a Health Professional?: No
• Date Manufacturer Received: 08/01/2017
• Was Device Evaluated by Manufacturer?: Yes
• Date Device Manufactured: 01/12/2017
• Is the Device Single Use?: Yes
• Type of Device Usage: Unknown
• Patient Sequence Number: 1
• Patient Outcome(s): Required Intervention
• Patient Age: 87 YR