MAUDE Adverse Event Report: MAILLEFER INSTRUMENTS HOLDING SARL HEDSTROEM M-ACCESS 25MM 008; FILE, PULP CANAL, ENDODONTIC

Catalog Number	A16MA02500812
Medical Device Problem Code	Lack of Effect (4065)
Health Effect - Clinical Codes	Pain (1994); Deformity/ Disfigurement (2360)
Date of Event	12/02/2025
Type of Reportable Event	Serious Injury
Event or Problem Description
In this event it is reported that a hedstroem m-access 25mm 008 file that was used during treatment to remove gutta-percha points from the canal.The operator accidentally touched the canal wall, causing minor damage to the lateral wall of the canal.The patient experienced pain.After observation, no abnormalities were found, and the patient reported no discomfort.The issue was resolved.
Additional Manufacturer Narrative
There has been a previous report received where this malfunction resulted in a serious injury.Therefore, it must be presumed that recurrence of this malfunction could possibly cause or contribute to a serious injury or require medical or surgical intervention to preclude such.As such, this event is reportable per 21cfr part 803.Involved product that didn't give satisfaction 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 #1784412).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 file 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.Root causes are not identified.All complaints are monitored through the monthly product surveillance committee and a corrective action could be determined by the committee.

• Brand Name: HEDSTROEM M-ACCESS 25MM 008
• 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: 23854903
• Report Number: 8031010-2025-00228
• Device Sequence Number: 14709819
• Product Code: EKS
• UDI-Device Identifier: J003A16MA025008121
• UDI-Public: J003A16MA025008121
• 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
• Report Date (Section B): 12/19/2025

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: A16MA02500812
• Device Lot Number: 1784412
• Was Device Available for Evaluation?: No
• Is the Reporter a Health Professional?: Yes
• Distributor Facility Aware Date: 12/08/2025
• Type of Report(Section G): Initial
• Initial Date Received by Manufacturer: 12/08/2025
• Initial Report FDA Received Date: 12/19/2025
• Was Device Evaluated by Manufacturer? (Y/N): No
• Usage of Device: A
• Patient Sequence Number: 1
• Patient Sex: Unknown