MAUDE Adverse Event Report: OLYMPUS MEDICAL SYSTEMS CORP. SINGLE USE MECHANICAL LITHOTRIPTOR V

Model Number	BML-V242QR-30
Medical Device Problem Code	Break (1069)
Health Effect - Clinical Code	No Clinical Signs, Symptoms or Conditions (4582)
Date of Event	10/20/2021
Type of Reportable Event	Malfunction
Additional Manufacturer Narrative
The exact cause of the reported event could not be conclusively determined at this time.If additional information becomes available, this report will be supplemented.
Event or Problem Description
Olympus medical systems corp.(omsc) was informed from user facility that the basket steel wire of the subject device was broken twice during removal a large and hard common bile duct (cbd) stone procedure.The stone was successfully crushed at the third attempt and the basket was removed.There was no report of patient injury associated with the event.
Additional Manufacturer Narrative
This report is being supplemented to provide additional information based on the legal manufacturer's final investigation.A review of the device history record found no deviations that could have caused or contributed to the reported issue.Based on the results of the investigation, taking into consideration results in the past since the device was not returned, it is likely that this phenomenon occurred due to the following: 1) due to issues possibly stemming from the size, shape, hardness or number of calculus, or from the amount of force applied when closing the basket wire, excessive force was required to execute the calculus lithotomy procedure.2) due to the description 1), the basket wire broke.A definitive root cause cannot be identified.The instructions for use (ifu) instruction manual state: - ifu warns against this event as follows: ¿keep pliers or wire cutters so that you can cut the instrument if it is damaged.Also have the olympus bml-110a-1 lithotriptor ready.Do not use this instrument for a calculus that is assumed impossible to be crushed by a lithotriptor.The pipe or the basket wire may break and part of this instrument may remain in the body.Use this instrument by having the settings to switch to open surgery and the hospitalization plan ready in case the calculus cannot be crushed by lithotriptor bml-110a-1.A lithotriptor cannot always crush all calculi captured in the basket.Operation of this instrument is based on the assumption that open surgery is possible as an emergency measure.If the calculus is too hard, it is possible that the damages shown in chapter 5, ¿emergency treatment¿ may occur.Use the lithotriptor by considering that it may lead to damaging the instrument and that open surgery may have to take place.This instrument will deform and/or deteriorate by performing lithotripsy.When lithotripsy is repeated, it will deform and/or deteriorate furthermore.By such deformation and/or deterioration, calculus may not be crushed and/or the instrument with calculus engaged may not be removed from the body.If lithotripsy is required to be repeated in a single case, make sure to check each time that no abnormality is found in action and/or appearance (e.G.Basket wire cut or worn, tube sheath bent, notable coil sheath bent or gap etc.).Stop use when any abnormality is detected.During lithotripsy, keep the portion from the coil sheath to the bml handle straight in line with the scope¿s biopsy valve, as much as possible.If not straight, the coil sheath may bend, calculus may not be crushed, and/or the instrument with calculus engaged may not be removed from the body.Do not rotate the bml handle knob abruptly.This instrument may break, and/or calculus may not be crushed.Also, the instrument with calculus engaged may not be removed from the body.¿ olympus will continue to monitor the field performance of this device.

• Brand Name: SINGLE USE MECHANICAL LITHOTRIPTOR V
• Common Device Name: SINGLE USE MECHANICAL LITHOTRIPTOR
• Manufacturer (Section D): OLYMPUS MEDICAL SYSTEMS CORP.; 2951 ishikawa-cho; hachioji-shi, tokyo-to 192-8 507; JA 192-8507
• Manufacturer Contact: kazutaka matsumoto ; 2951 ishikawa-cho; hachioji-shi, tokyo-to 192-8-507 ; JA 192-8507 ; 426425177
• MDR Report Key: 12876370
• Report Number: 8010047-2021-15099
• Device Sequence Number: 4353376
• Product Code: LQC
• UDI-Device Identifier: 04953170218392
• UDI-Public: 04953170218392
• Combination Product (Y/N): N
• Initial Reporter Country: HK
• PMA/510(K) Number: CLASS2-EXMPT
• Number of Events Summarized: 1
• Summary Report (Y/N): N
• Serviced by Third Party (Y/N): N
• Reporter Type: Manufacturer
• Report Source: Other,User Facility,Distributor
• Initial Reporter Occupation: Other
• Type of Report: Initial,Followup
• Report Date (Section B): 07/05/2022

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
• Operator of Device: Health Professional
• Device Model Number: BML-V242QR-30
• Device Lot Number: 13K
• Was Device Available for Evaluation?: No
• Is the Reporter a Health Professional?: No
• Was the Report Sent to FDA?: No
• Type of Report(Section G): Thirty-Day
• Initial Date Received by Manufacturer: 11/02/2021
• Supplement Date Received by Manufacturer: 06/07/2022
• Initial Report FDA Received Date: 11/25/2021
• Supplement Report FDA Received Date: 07/05/2022
• Was Device Evaluated by Manufacturer? (Y/N): Device Not Returned to Manufacturer
• Is the Device Labeled for Single Use? (Y/N): Yes
• Is This a Single-Use Device that was Reprocessed and Reused on a Patient? (Y/N): No
• Usage of Device: Initial
• Patient Sequence Number: 1
• Patient Sex: Unknown