MAUDE Adverse Event Report: BOSTON SCIENTIFIC CORPORATION SYNERGY; BIODEGRADABLE POLYMER DRUG ELUTING CORONARY STENT SYSTEM

Model Number	10601
Medical Device Problem Code	Material Deformation (2976)
Health Effect - Clinical Code	No Clinical Signs, Symptoms or Conditions (4582)
Date of Event	03/22/2021
Type of Reportable Event	Malfunction
Event or Problem Description
It was reported that stent damage occurred.A 4.00 x 12 synergy drug-eluting stent was selected for use.However, it was noted that after flushing the stent, the proximal end of the stent struts appeared to be expanded larger than the rest of the struts.The procedure was completed with a non-boston scientific device.No patient complications were reported and the patient was fine post procedure.
Additional Manufacturer Narrative
Device evaluated by mfr.: synergy ii 4.00 x 12 mm stent delivery system was returned for analysis.A visual examination of the stent found no issues.There was no sign of damage, stretching or lifting of the stent struts.The stent showed no signs of movement and was set between the proximal and distal markerbands.The crimped stent outer diameter was measured and the result was within maximum crimped stent profile measurement.The balloon cones were reviewed, and no issues were noted.The balloon wings were tightly wrapped and evenly folded and were not subjected to positive pressure.A visual and microscopic examination of the tip showed no signs of damage.A visual and tactile examination of the hypotube found multiple kinks along several locations of the hypotube shaft.A visual and tactile examination of the outer and mid-shaft section and visual examination of the inner lumen found no issues with the extrusion shaft.No other issues were identified during the product analysis.
Event or Problem Description
It was reported that stent damage occurred.A 4.00 x 12 synergy drug-eluting stent was selected for use.However, it was noted that after flushing the stent, the proximal end of the stent struts appeared to be expanded larger than the rest of the struts.The procedure was completed with a non-boston scientific device.No patient complications were reported and the patient was fine post procedure.

• Brand Name: SYNERGY
• Common Device Name: BIODEGRADABLE POLYMER DRUG ELUTING CORONARY STENT SYSTEM
• Manufacturer (Section D): BOSTON SCIENTIFIC CORPORATION; two scimed place; maple grove MN 55311
• MDR Report Key: 11603189
• Report Number: 2134265-2021-04225
• Device Sequence Number: 14504717
• Product Code: NIQ
• UDI-Device Identifier: 08714729840077
• UDI-Public: 08714729840077
• Combination Product (Y/N): Y
• Initial Reporter State: MT
• Initial Reporter Country: US
• PMA/510(K) Number: P150003
• Number of Events Summarized: 1
• Summary Report (Y/N): N
• Serviced by Third Party (Y/N): Unknown
• Reporter Type: Manufacturer
• Report Source: company representative,health
• Initial Reporter Occupation: Physician
• Type of Report: Initial,Followup
• Report Date (Section B): 05/23/2021

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: 08/11/2022
• Device Model Number: 10601
• Device Catalogue Number: 10601
• Device Lot Number: 0025882876
• Was Device Available for Evaluation?: Device Returned to Manufacturer
• Date Returned to Manufacturer: 04/12/2021
• Initial Date Received by Manufacturer: 03/25/2021
• Supplement Date Received by Manufacturer: 05/11/2021
• Initial Report FDA Received Date: 04/01/2021
• Supplement Report FDA Received Date: 05/23/2021
• Is This a Single-Use Device that was Reprocessed and Reused on a Patient? (Y/N): No
• Patient Sequence Number: 1