MAUDE Adverse Event Report: BIOTRONIK AG, BUELACH, SWITZERLAND PULSAR-18 US 6/40/90; STENT, SUPERFICIAL FEMORAL ARTERY

Model Number	390684
Medical Device Problem Code	Positioning Failure (1158)
Health Effect - Clinical Code	No Clinical Signs, Symptoms or Conditions (4582)
Date of Event	08/19/2020
Type of Reportable Event	Malfunction
Event or Problem Description
The pulsar-18 stent system was chosen for the treatment of a tortuous lesion in the sfa with 90 percent stenosis degree.Upon stent positioning it was not possible to release the stent.
Additional Manufacturer Narrative
The returned instrument 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process could be the cause for the reported event.The technical investigation revealed that the outer shaft has not been retracted and is undamaged.The stent is fully crimped under the retractable outer shaft.The diameter of the retractable outer shaft complies with the specification.The trigger is positioned partially outside the handle and being disconnected from the gear wheels.During the technical investigation the complaint instrument was successfully advanced through a 4f terumo radifocus reference introducer sheath.Once reassembled, the trigger mechanism worked correctly and the stent could be released.The introducer sheath used in the intervention was not returned for analysis.Review of the production documentation of the product detailed above did not reveal any non-conformity.During final inspection, every stent system undergoes visual inspection for deformations of the outer shaft and the outer diameter is measured over its entire length.The device in question was manufactured according to specifications and successfully passed all in-process 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 was determined.

• Brand Name: PULSAR-18 US 6/40/90
• Common Device Name: STENT, SUPERFICIAL FEMORAL ARTERY
• Manufacturer (Section D): BIOTRONIK AG, BUELACH, SWITZERLAND; ackerstrasse 6; buelach CH-81 80; CH CH-8180
• MDR Report Key: 10670600
• Report Number: 1028232-2020-04330
• Device Sequence Number: 19460042
• Product Code: NIP
• UDI-Device Identifier: 07640130436213
• UDI-Public: 07640130436213
• Combination Product (Y/N): N
• Initial Reporter Country: US
• PMA/510(K) Number: P160025
• Number of Events Summarized: 1
• Summary Report (Y/N): N
• Reporter Type: Manufacturer
• Report Source: company representative,user f
• Initial Reporter Occupation: Other Health Care Professional
• Type of Report: Initial,Followup
• Report Date (Section B): 09/21/2020

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: 05/31/2022
• Device Model Number: 390684
• Device Catalogue Number: SEE MODEL NO.
• Device Lot Number: 06171609
• Was Device Available for Evaluation?: Device Returned to Manufacturer
• Date Returned to Manufacturer: 09/14/2020
• Initial Date Received by Manufacturer: 09/21/2020
• Supplement Date Received by Manufacturer: 12/14/2020
• Initial Report FDA Received Date: 10/13/2020
• Supplement Report FDA Received Date: 12/14/2020
• Is This a Single-Use Device that was Reprocessed and Reused on a Patient? (Y/N): No
• Patient Sequence Number: 1
• Outcome Attributed to Adverse Event: Hospitalization
• Patient Age: 77 YR