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

Model Number A1059

Device Problem Mechanics Altered (2984)

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

It was reported that the c-clamp on the mayfield modified skull clamp (a1059) does not lock tight enough and the swivel arm is able to be loosened too easily.Also, the ratcheting system is too rough.The facility has not reported if there was patient involvement, injury or surgical delay relative to this event.

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: on investigation of the unit it was discovered that the lock had rotational and lateral movement, but a residue buildup was present and index knob was discovered to be loose.New components were added to replace worn internal parts.General maintenance and cleaning performed.Root cause: complaint confirmed via inspection of the unit.There was movement present in the lock, index knob was loose and required replacement of worn internal parts from 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.

Event Description

N/a.

• 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: 15124581
• MDR Text Key: 300764114
• Report Number: 3004608878-2022-00150
• 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,Followup
• Report Date: 09/15/2022

1 Device was Involved in the Event

1 Patient was Involved in the Event

• 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
• Initial Date Manufacturer Received: 07/08/2022
• Initial Date FDA Received: 07/28/2022
• Supplement Dates Manufacturer Received: 08/29/2022
• Supplement Dates FDA Received: 09/15/2022
• Was Device Evaluated by Manufacturer?: Yes
• 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