MAUDE Adverse Event Report: MAILLEFER INSTRUMENTS HOLDING SARL K-FILE M-ACCESS 21MM 025; FILE, PULP CANAL, ENDODONTIC

Catalog Number	A12MA02102512
Medical Device Problem Code	Break (1069)
Health Effect - Clinical Code	Insufficient Information (4580)
Date of Event	03/01/2019
Type of Reportable Event	Malfunction
Event or Problem Description
In this event it is reported that a k-file m-access 21 mm 025 file broke during use.The broken part was retrieved but accidental trauma reported.Further information requested.
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 21 cfr 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.
Additional Manufacturer Narrative
Summary: involved product that broke during use was not returned and cannot be analyzed.Moreover, no unused file is available for evaluation.Nothing unusual to report was found during dhr review (batch #1314366).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 behaviour 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 information received: 2025/5/16: sales feedback cannot reach anyone at the clinic.The phone is not being answered.Called to the outpatient department, it is stated that there is no such person(here is reporter) and they do not know about the adverse event, and they are also unwilling to provide contact information for the management.This is a follow up report for this additional information.

• Brand Name: K-FILE M-ACCESS 21MM 025
• 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: 21977051
• Report Number: 8031010-2025-00075
• Device Sequence Number: 7227342
• Product Code: EKS
• UDI-Device Identifier: J003A12MA021025121
• UDI-Public: J003A12MA021025121
• 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,Health Professional
• Initial Reporter Occupation: Dentist
• Type of Report: Initial,Followup
• Report Date (Section B): 05/16/2025

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?: No
• Device Catalogue Number: A12MA02102512
• Device Lot Number: 1314366
• Was Device Available for Evaluation?: No
• Is the Reporter a Health Professional?: Yes
• Distributor Facility Aware Date: 04/29/2025
• Type of Report(Section G): Follow-Up
• Initial Date Received by Manufacturer: 04/29/2025
• Supplement Date Received by Manufacturer: Not provided
• Initial Report FDA Received Date: 05/07/2025
• Supplement Report FDA Received Date: 05/16/2025
• Was Device Evaluated by Manufacturer? (Y/N): No
• Usage of Device: A
• Patient Sequence Number: 1
• Patient Sex: Unknown