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

Model Number	10607
Medical Device Problem Code	Material Deformation (2976)
Health Effect - Clinical Code	No Consequences Or Impact To Patient (2199)
Date of Event	10/15/2019
Type of Reportable Event	Malfunction
Additional Manufacturer Narrative
Device is a combination product.
Event or Problem Description
It was reported that stent damage occurred.The target lesion was located in the calcified right coronary artery.A 4.00 x 38mm synergy drug-eluting stent was advanced for treatment.However, as the physician tried to cross the lesion, the stent started to accordion on itself while attached to the balloon.The device was removed from the patient's body and the procedure was completed with a different device.There were no patient complications reported.
Additional Manufacturer Narrative
Device is a combination product.Device evaluated by mfr.: synergy ii us mr 4.00 x 38 mm stent delivery system was returned for analysis.An examination (visual and via scope) of the crimped stent found stent damage.Stent struts from mid to distal section of the stent were noted to be lifted from their crimped position and pulled proximally.The undamaged crimped stent outer diameter was measured and the result was within max crimped stent profile measurement.The balloon was 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 bumper tip showed signs of damage on the distal end of the tip.A visual and tactile examination of the hypotube found multiple hypotube kinks along several locations of the hypotube shaft.A visual and tactile examination of the outer and mid-shaft section and a visual examination of the inner lumen found no issues along the shaft polymer extrusion.No other issues were identified during the product analysis.
Event or Problem Description
It was reported that stent damage occurred.The target lesion was located in the calcified right coronary artery.A 4.00 x 38mm synergy drug-eluting stent was advanced for treatment.However, as the physician tried to cross the lesion, the stent started to accordion on itself while attached to the balloon.The device was removed from the patient's body and the procedure was completed with a different device.There were no patient complications reported.

• 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: 9250825
• Report Number: 2134265-2019-13081
• Device Sequence Number: 2030411
• Product Code: NIQ
• UDI-Device Identifier: 08714729840435
• UDI-Public: 08714729840435
• Combination Product (Y/N): N
• Initial Reporter State: CA
• Initial Reporter Country: US
• PMA/510(K) Number: P150003
• Number of Events Summarized: 1
• Summary Report (Y/N): N
• Reporter Type: Manufacturer
• Report Source: company representative,health
• Initial Reporter Occupation: Physician
• Type of Report: Initial,Followup
• Report Date (Section B): 12/05/2019

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 Model Number: 10607
• Device Catalogue Number: 10607
• Device Lot Number: 0023398644
• Was Device Available for Evaluation?: Device Returned to Manufacturer
• Date Returned to Manufacturer: 11/07/2019
• Initial Date Received by Manufacturer: 10/15/2019
• Supplement Date Received by Manufacturer: 11/27/2019
• Initial Report FDA Received Date: 10/29/2019
• Supplement Report FDA Received Date: 12/05/2019
• Is This a Single-Use Device that was Reprocessed and Reused on a Patient? (Y/N): No
• Patient Sequence Number: 1