MAUDE Adverse Event Report: INTEGRA LIFESCIENCES CORPORATION OH/USA MAYFIELD MODIFIED SKULL CLAMP; SKULL CLAMPS AND HEADREST SYSTEMS

Catalog Number A1059

Device Problem Unstable (1667)

Patient Problem No Clinical Signs, Symptoms or Conditions (4582)

Event Type  malfunction  

Manufacturer Narrative

The mayfield modified skull clamp (a1059) was returned for evaluation: device history record (dhr) - the dhr was reviewed and shows no abnormalities related to the reported failure.Failure analysis - investigation of the returned unit was unable to duplicate slippage.The lock had both rotational and lateral movement and a residue buildup was present; however, when properly positioned and put under pressure, the device would not move.Unit was machined to have heli-coils added to large starburst threads.New components were added to replace worn internal parts, and general maintenance and cleaning were performed.Root cause: the reported complaint is not confirmed.Evaluation found no device deficiencies that would have contributed to the reported complaint.Probable root cause of the reported complaint is improper or suboptimal positioning of the skull clamp on the patient.No further investigation is required based on the acceptability of risk and no adverse trends identified.This will be monitored and trended going forward.At present, we consider this complaint to be closed.

Event Description

A facility reported that the mayfield modified skull clamp (a1059) became loose while in contact with the patient.The surgeon grabbed the patient's head and they switched to another mayfield device.Additional information has been requested.

• Brand Name: MAYFIELD MODIFIED SKULL CLAMP
• Type of Device: SKULL CLAMPS AND HEADREST SYSTEMS
• Manufacturer (Section D): INTEGRA LIFESCIENCES CORPORATION OH/USA; 4900 charlemar drive; 4900 charlemar drive; cincinnati OH
• Manufacturer (Section G): INTEGRA LIFESCIENCES CORPORATION OH/USA; 4900 charlemar drive; cincinnati OH
• Manufacturer Contact: vivian nelson ; 1100 campus drive; princeton, NJ ; 6099362319
• MDR Report Key: 18152978
• MDR Text Key: 328516534
• Report Number: 3004608878-2023-00207
• Device Sequence Number: 1
• Product Code: HBL
• UDI-Device Identifier: 10381780253457
• UDI-Public: 10381780253457
• Combination Product (y/n): N
• PMA/PMN Number: PRE-AMEND
• Number of Events Reported: 1
• Summary Report (Y/N): N
• Report Source: Manufacturer
• Source Type: User Facility,Company Representative
• Reporter Occupation: Other
• Type of Report: Initial
• Report Date: 11/16/2023

1 Device was Involved in the Event

1 Patient was Involved in the Event

• Date FDA Received: 11/16/2023
• Is this an Adverse Event Report?: No
• Is this a Product Problem Report?: Yes
• Device Operator: Health Professional
• Device Catalogue Number: A1059
• Was Device Available for Evaluation?: Device Returned to Manufacturer
• Date Returned to Manufacturer: 10/23/2023
• Date Manufacturer Received: 10/24/2023
• Was Device Evaluated by Manufacturer?: Yes
• Date Device Manufactured: 10/11/2021
• Is the Device Single Use?: No
• Is This a Reprocessed and Reused Single-Use Device?: No
• Type of Device Usage: Unknown
• Patient Sequence Number: 1