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

Model Number A1059

Device Problem Mechanical Problem (1384)

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

Event Type  malfunction  

Manufacturer Narrative

An investigation has been initiated based on the reported information.Upon completion of the investigation, a follow-up report will be submitted.

Event Description

A facility reported that the patient could not be restrained in the mayfield modified skull clamp (a1059); the fixing screw could not be tightened.There was no patient injury or surgical delay.

Manufacturer Narrative

Updated fields: d4, d9, g3, g6, h2, h3, h4, h6, h10.The mayfield skull clamp (a1059) was returned for evaluation: device history record (dhr) - the dhr was reviewed, and no anomalies related to the reported failure was observed.Failure analysis - the investigation of the a1059 skull clamp revealed that its locking mechanism has play and needed to be adjusted.Some small parts need to be replaced along with the index knob as the rolling balls are stuck inside and unable to move.The unit also needed to be checked.To resolve all issues, the required small parts were exchanged with the index knob and the closure was reset.The function of the terminal has been checked.Root cause - complaint confirmed via inspection of the unit.There was play in the locking mechanism of the returned skull clamp and it required replacement of worn components due to routine use and wear.No further investigation is required based on the acceptability of risk and no adverse trends were identified.This will be monitored and trended going forward.At present, we consider this complaint to be closed.

• 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: 15124594
• MDR Text Key: 304804238
• Report Number: 3004608878-2022-00153
• 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: Foreign,User Facility
• Reporter Occupation: Other
• Type of Report: Initial,Followup
• Report Date: 10/07/2022

1 Device was Involved in the Event

1 Patient was Involved in the Event

• Date FDA Received: 07/28/2022
• Is this an Adverse Event Report?: No
• Is this a Product Problem Report?: Yes
• Device Operator: Health Professional
• Device Model Number: A1059
• Device Catalogue Number: A1059
• Was Device Available for Evaluation?: Device Returned to Manufacturer
• Is the Reporter a Health Professional?: No
• Date Manufacturer Received: 09/27/2022
• Was Device Evaluated by Manufacturer?: Yes
• Date Device Manufactured: 07/15/2020
• 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