MAUDE Adverse Event Report: STRYKER GMBH MCPX-20; PROSTHESIS, FINGER, CONSTRAINED, POLYMER

Model Number	MCPX-20
Medical Device Problem Code	Fracture (1260)
Health Effect - Clinical Code	Failure of Implant (1924)
Date of Event	10/01/2020
Type of Reportable Event	Serious Injury
Additional Manufacturer Narrative
The reported event could not be confirmed, since the device was not returned for evaluation and no other additional information is available.More detailed information about the complaint event as well as the affected device must be available in order to determine the root cause of the complaint event.If any further information is provided, the investigation report will be updated.Device disposition is unknown.
Event or Problem Description
The manufacturer became aware of a post market clinical follow-up report received from (b)(6), in (b)(6).The title of this report is ¿a retrospective data collection of the treatment of degenerative or post-traumatic disabilities in the metacarpophalangeal (mcp) and proximal interphalangeal (pip) joints with the silicone and preflex prostheses¿ which is associated with the stryker ¿silicone pip and preflex mcp¿ prosthesis.This study includes research done on 109 patients (142 implants) requiring surgery between the period 2007 and 2019.It was not possible to ascertain specific device details from the report, or to match the events reported with previously reported complaints.Therefore, new complaint was initiated in the system for the post-operative complication mentioned in the report.This product inquiry addresses rupture of d2 prostheses diagnosed 129 months after the first implantation (radiographic control-ulnar off-axis) which was reimplanted on (b)(6) 2019.The report states: ¿the fourth patient was initially implanted with two mcps, d2 and d3.The diagnosis of rupture for these two prostheses was made 129 months after the first implantation.In this case, the patient presented for a consultation concerning the mcp joints of fingers d4 and d5, and the diagnosis of ruptures of d2 and d3 was therefore established by chance during the pre-operative x-ray.In this configuration, the patient was not aware of the loss of range of motion, and had no pain.In this case, the 129-month duration of the prosthesis' survivorship is not to be taken into account.¿.
Event or Problem Description
The manufacturer became aware of a post market clinical follow-up report received from urgence main mulhouse, clinique du diaconat, in france.The title of this report is ¿a retrospective data collection of the treatment of degenerative or post-traumatic disabilities in the metacarpophalangeal (mcp) and proximal interphalangeal (pip) joints with the silicone and preflex prostheses¿ which is associated with the stryker ¿silicone pip and preflex mcp¿ prosthesis.This study includes research done on 109 patients (142 implants) requiring surgery between the period 2007 and 2019.It was not possible to ascertain specific device details from the report, or to match the events reported with previously reported complaints.Therefore, new complaint was initiated in the system for the post-operative complication mentioned in the report.This product inquiry addresses rupture of d2 prostheses diagnosed 129 months after the first implantation (radiographic control-ulnar off-axis) which was reimplanted on (b)(6) 2019.The report states: ¿the fourth patient was initially implanted with two mcps, d2 and d3.The diagnosis of rupture for these two prostheses was made 129 months after the first implantation.In this case, the patient presented for a consultation concerning the mcp joints of fingers d4 and d5, and the diagnosis of ruptures of d2 and d3 was therefore established by chance during the pre-operative x-ray.In this configuration, the patient was not aware of the loss of range of motion, and had no pain.In this case, the 129-month duration of the prosthesis' survivorship is not to be taken into account.¿.
Additional Manufacturer Narrative
The reported event could not be confirmed, since the device was not returned for evaluation and no other additional information is available.This complaint has been reported during a literature review performed by the post market surveillance group.No product identification is possible as the affected device was not returned.A review of the device history for the reported lot did not indicate any abnormalities.No corrective actions are required at this time.More detailed information about the complaint event as well as the affected device must be available to determine the root cause of the complaint event.Based on the investigation, no definitive relation could be established between the product and the reported failure adverse consequence.If any further information is provided, the investigation report will be updated.

• Brand Name: MCPX-20
• Common Device Name: PROSTHESIS, FINGER, CONSTRAINED, POLYMER
• Manufacturer (Section D): STRYKER GMBH; bohnackerweg 1; postfach; selzach 2545 ; SZ 2545
• MDR Report Key: 10777700
• Report Number: 0008031020-2020-02382
• Device Sequence Number: 3645638
• Product Code: KYJ
• UDI-Device Identifier: 00886385025339
• UDI-Public: 00886385025339
• Combination Product (Y/N): N
• Initial Reporter Country: FR
• PMA/510(K) Number: K013629
• Number of Events Summarized: 1
• Summary Report (Y/N): N
• Device Implanted Year: 2008
• Device Explanted Year: 2019
• Reporter Type: Manufacturer
• Report Source: study
• Initial Reporter Occupation: Physician
• Type of Report: Initial,Followup
• Report Date (Section B): 01/13/2021

1 Device was Involved in the Event

1 Patient was Involved in the Event

• Is this an Adverse Event Report?: Yes
• Is this a Product Problem Report?: Yes
• Operator of Device: Lay User/Patient
• Device Expiration Date: 06/01/2012
• Device Model Number: MCPX-20
• Device Catalogue Number: MCPX20
• Device Lot Number: 39164001
• Was Device Available for Evaluation?: No
• Initial Date Received by Manufacturer: 10/07/2020
• Supplement Date Received by Manufacturer: 12/17/2020
• Initial Report FDA Received Date: 11/03/2020
• Supplement Report FDA Received Date: 01/13/2021
• Is This a Single-Use Device that was Reprocessed and Reused on a Patient? (Y/N): No
• Patient Sequence Number: 1
• Outcome Attributed to Adverse Event: Required Intervention
• Patient Age: 37 YR