MAUDE Adverse Event Report: BIOTRONIK AG, BUELACH, SWITZERLAND ORSIRO 2.75/18; CORONARY DRUG-ELUTING STENT

Model Number	364489
Medical Device Problem Code	Device Dislodged or Dislocated (2923)
Health Effect - Clinical Code	No Consequences Or Impact To Patient (2199)
Date of Event	02/12/2019
Type of Reportable Event	Malfunction
Event or Problem Description
Ous mdr - an orsiro drug-eluting stent system was chosen to treat a moderately calcified lesion in the tortuous rca.The orsiro stent could not pass the lesion and during the attempt to push it through the lesion the stent dislodged from the balloon.
Additional Manufacturer Narrative
The returned device was subjected to a detailed technical analysis and the corresponding production documentation was reviewed to establish whether a deviation from the manufacturing process could be the cause for this event.Further, the provided angiographic material was reviewed.The technical investigation of the returned device revealed that the stent is displaced by about 3 mm in distal direction.The balloon is still well folded and shows no signs of inflation.Microscopic analysis of the balloon surface revealed clear visible stent imprints, indicating that the stent was properly crimped in between the two radiopaque markers at the time of delivery.The review of the angiographic material did not lead to any further information regarding the nature of the complaint.Review of the production documentation confirmed that the instrument was manufactured according to specifications and passed all inprocess and final inspections.During final inspection, every stent system undergoes visual inspection to ensure correct stent embedding and homogeneous crimping of the stent.Further, the stent outer diameter is verified to 100% and the stent retention force of a defined amount of samples is tested from every lot.The device in question was manufactured according to specifications and successfully passed all inprocess controls as well as the final inspection.Based on the conducted investigations of the device being subject to this complaint, no material or manufacturing related root cause could be determined.It should be noted that the corresponding ifu advises the user to not apply excessive force while attempting to cross the lesion.

• Brand Name: ORSIRO 2.75/18
• Common Device Name: CORONARY DRUG-ELUTING STENT
• Manufacturer (Section D): BIOTRONIK AG, BUELACH, SWITZERLAND; ackerstrasse 6; buelach CH-81 80; CH CH-8180
• MDR Report Key: 8591010
• Report Number: 1028232-2019-01880
• Device Sequence Number: 2169624
• Product Code: NIQ
• UDI-Device Identifier: 07640130439047
• UDI-Public: 7640130439047
• Combination Product (Y/N): N
• Initial Reporter Country: CH
• PMA/510(K) Number: P170030
• Number of Events Summarized: 1
• Summary Report (Y/N): N
• Reporter Type: Manufacturer
• Report Source: company representative,foreig
• Initial Reporter Occupation: Other Health Care Professional
• Type of Report: Initial,Followup
• Report Date (Section B): 05/03/2019

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 Expiration Date: 10/04/2019
• Device Model Number: 364489
• Device Catalogue Number: SEE MODEL NO.
• Device Lot Number: 09172631
• Was Device Available for Evaluation?: Device Returned to Manufacturer
• Date Returned to Manufacturer: 05/08/2019
• Initial Date Received by Manufacturer: 05/03/2019
• Supplement Date Received by Manufacturer: 07/09/2019
• Initial Report FDA Received Date: 05/08/2019
• Supplement Report FDA Received Date: 07/09/2019
• Is This a Single-Use Device that was Reprocessed and Reused on a Patient? (Y/N): No
• Patient Sequence Number: 1