MAUDE Adverse Event Report: MAILLEFER INSTRUMENTS HOLDING SARL K-FILE M-ACCESS 21MM 010; FILE, PULP CANAL, ENDODONTIC

Catalog Number	A12MA02101012
Medical Device Problem Code	Break (1069)
Health Effect - Clinical Code	Device Embedded In Tissue or Plaque (3165)
Date of Event	12/04/2025
Type of Reportable Event	Malfunction
Additional Manufacturer Narrative
We received the following information regarding this complaint 1.The product has not been retained.2.The patient currently has no discomfort reactions.3.No further treatment has been given at the moment.This is a follow up report for this additional information.Investigation; summary: involved product that broke during use was not returned and cannot be analyzed.Moreover, no unused file is available for evaluation.The provided batch #1639343 turns out to have no corresponding with the catalog number involved in this complaint.Right batch number is unknown, dhr cannot be reviewed.Root causes are not identified.We will track this kind of event and monitor the trend.Potential root causes may be incorrect technique (hand used file - technique no more verifiable to date), overuse (number of uses not communicated), excessive wear, patient condition and behavior during treatment or material issue (no analysis of the broken fragments possible).In addition, there are further circumstances on the conditions in dentistry (used disinfectants, training/knowledge status), or any other environmental conditions, which are unknown to us and may also have an impact on the reported failure mode.
Additional Manufacturer Narrative
As a result of this malfunction, the potential for surgical intervention exists to preclude permanent damage to a body structure or permanent impairment of a body function as evidenced by previous reported events with similar files.This event, therefore, is reportable per 21cfr part 803.The device was not returned for evaluation.However, the lot number was provided and retained-product testing and/or dhr review are planned.The results will be submitted as they become available.
Event or Problem Description
In this event it is reported that a k-file m-access 21mm 010 file broke during use.The broken part could not be retrieved and was incorporated into the fill.The patient will be observed.Further information requested.

• Brand Name: K-FILE M-ACCESS 21MM 010
• Common Device Name: FILE, PULP CANAL, ENDODONTIC
• Manufacturer (Section D): MAILLEFER INSTRUMENTS HOLDING SARL; ch. du verger 3; ballaigues vaud CH-13 38; SZ CH-1338
• Manufacturer (Section G): MAILLEFER INSTRUMENTS HOLDING SARL; ch. du verger 3; ballaigues vaud CH-13 38; SZ CH-1338
• Manufacturer Contact: dan eagar ; 221 west philadelphia st.; york, PA 17401 ; 7178457511
• MDR Report Key: 23818687
• Report Number: 8031010-2025-00227
• Device Sequence Number: 18665099
• Product Code: EKS
• UDI-Device Identifier: J003A12MA021010121
• UDI-Public: J003A12MA021010121
• Combination Product (Y/N): N
• Initial Reporter Country: CH
• Number of Events Summarized: 1
• Summary Report (Y/N): N
• Reporter Type: Manufacturer
• Report Source: Foreign,Company Representative
• Initial Reporter Occupation: Dentist
• Type of Report: Initial,Followup
• Report Date (Section B): 12/22/2025

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
• Device Catalogue Number: A12MA02101012
• Device Lot Number: 1639343
• Was Device Available for Evaluation?: No
• Is the Reporter a Health Professional?: Yes
• Distributor Facility Aware Date: 12/06/2025
• Type of Report(Section G): Follow-Up
• Initial Date Received by Manufacturer: 12/06/2025
• Supplement Date Received by Manufacturer: Not provided
• Initial Report FDA Received Date: 12/16/2025
• Supplement Report FDA Received Date: 12/22/2025
• Was Device Evaluated by Manufacturer? (Y/N): No
• Usage of Device: A
• Patient Sequence Number: 1
• Patient Sex: Unknown