MAUDE Adverse Event Report: LARES RESEARCH LARES RESEARCH; HIGH-SPEED DENTAL HANDPIECE

Model Number	557 PROSTYLE SF
Medical Device Problem Code	Mechanical Problem (1384)
Health Effect - Clinical Code	No Clinical Signs, Symptoms or Conditions (4582)
Date of Event	09/07/2023
Type of Reportable Event	Malfunction
Additional Manufacturer Narrative
The device was tested and did not meet the requirements for holding a bur.There was significant debris and corrosion in the spindle which was a result of not cleaning and lubricating the chucking mechanism.
Event or Problem Description
Dr.Sent device in for repair with a note indicating the bur does not stay in the head during procedures.There was no incident of a patient swallowing a bur.

• Brand Name: LARES RESEARCH
• Common Device Name: HIGH-SPEED DENTAL HANDPIECE
• Manufacturer (Section D): LARES RESEARCH; 295 lockheed avenue; chico 95973
• Manufacturer (Section G): LARES RESEARCH; 295 lockheed avenue; chico 95973
• Manufacturer Contact: bruce holderbein ; 295 lockheed avenue; chico 95973 ; 5303451767
• MDR Report Key: 17722188
• Report Number: 2916440-2023-00015
• Device Sequence Number: 7213420
• Product Code: EFB
• UDI-Device Identifier: D950131252220
• UDI-Public: D950131252220
• Combination Product (Y/N): N
• Initial Reporter State: CA
• Initial Reporter Country: US
• PMA/510(K) Number: K141221
• Number of Events Summarized: 1
• Summary Report (Y/N): N
• Serviced by Third Party (Y/N): N
• Reporter Type: Manufacturer
• Report Source: Health Professional
• Initial Reporter Occupation: Dentist
• Remedial Action: Repair
• Type of Report: Initial
• Report Date (Section B): 09/11/2023

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
• Operator of Device: Health Professional
• Device Model Number: 557 PROSTYLE SF
• Device Catalogue Number: 13125-222
• Was Device Available for Evaluation?: Device Returned to Manufacturer
• Date Returned to Manufacturer: 09/07/2023
• Is the Reporter a Health Professional?: Yes
• Type of Report(Section G): Thirty-Day
• Initial Date Received by Manufacturer: 09/07/2023
• Initial Report FDA Received Date: 09/11/2023
• Was Device Evaluated by Manufacturer? (Y/N): Yes
• Date Device Manufactured: 09/30/2022
• Is the Device Labeled for Single Use? (Y/N): No
• Is This a Single-Use Device that was Reprocessed and Reused on a Patient? (Y/N): No
• Usage of Device: Reuse
• Patient Sequence Number: 1
• Patient Sex: Unknown