MAUDE Adverse Event Report: BOSTON SCIENTIFIC CORPORATION ULTRAFLEX ESOPHAGEAL NG; PROSTHESIS, ESOPHAGEAL

Model Number	M00513850
Medical Device Problem Code	Activation, Positioning or Separation Problem (2906)
Health Effect - Clinical Code	No Clinical Signs, Symptoms or Conditions (4582)
Date of Event	12/20/2021
Type of Reportable Event	Malfunction
Event or Problem Description
It was reported to boston scientific corporation on december 21, 2021 that an ultraflex esophageal covered proximal release stent was to be implanted to treat a 5-6 cm malignant stricture due to esophageal cancer during an esophageal stenting procedure performed on (b)(6) 2021.The patient's anatomy was tortuous and was not dilated prior to stent placement.During the procedure, the stent could not be deployed.The stent was removed partially deployed on the delivery system and another ultraflex esophageal stent was used to complete the procedure.There were no patient complications as a result of this event.The patient's condition at the conclusion of the procedure was reported to be stable.
Additional Manufacturer Narrative
(b)(4).The device has not been received for analysis.Upon receipt and completion of the problem analysis of the complaint device, if there is any further relevant information from that review, a supplemental medwatch will be filed.
Additional Manufacturer Narrative
Blocks d4 (lot number and expiration date) and h4 have been updated with additional information received on january 28, 2022.Block h6: medical device problem code a15 captures the reportable event of stent partially deployed.Block h10: an ultraflex esophageal ng proximal release covered stent and delivery system were received for analysis.Visual examination of the returned device found the stent partially deployed.Functional examination was performed and the stent was gradually deployed by retracting the finger ring the crocheted suture that binds the stent to the delivery system shaft.No other issues were noted to the stent and delivery system.The reported event of stent partially deployed was confirmed via visual examination.Taking all available information into consideration, the investigation concluded that the reported event was likely due to procedural or anatomical factors encountered during the procedure.Additionally, the device was also used past its expiry date.The expiration date was june 20, 2020; however, the device was used on (b)(6) 2021.The device had exceeded the period of time/date recommended by the manufacturer for storing the device without a degradation in quality.Therefore, a review and analysis of all available information indicated the most probable cause is shelf life/expiration date exceeded.A review of the manufacturing documentation for this device revealed that no anomalies or deviations related to the event occurred during manufacturing.
Event or Problem Description
It was reported to boston scientific corporation on (b)(6) 2021 that an ultraflex esophageal covered proximal release stent was to be implanted to treat a 5-6 cm malignant stricture due to esophageal cancer during an esophageal stenting procedure performed on (b)(6) 2021.The patient's anatomy was tortuous and was not dilated prior to stent placement.During the procedure, the stent could not be deployed.The stent was removed partially deployed on the delivery system and another ultraflex esophageal stent was used to complete the procedure.There were no patient complications as a result of this event.The patient's condition at the conclusion of the procedure was reported to be stable.

• Brand Name: ULTRAFLEX ESOPHAGEAL NG
• Common Device Name: PROSTHESIS, ESOPHAGEAL
• Manufacturer (Section D): BOSTON SCIENTIFIC CORPORATION; 300 boston scientific way; marlborough MA 01752
• Manufacturer (Section G): BOSTON SCIENTIFIC CORPORATION; ballybrit business park; galway ; EI
• Manufacturer Contact: carole morley ; 300 boston scientific way; marlborough, MA 01752 ; 5086834015
• MDR Report Key: 13250980
• Report Number: 3005099803-2022-00082
• Device Sequence Number: 14598068
• Product Code: ESW
• UDI-Device Identifier: 08714729716075
• UDI-Public: 08714729716075
• Combination Product (Y/N): N
• Initial Reporter Country: CH
• PMA/510(K) Number: K091816
• Number of Events Summarized: 1
• Summary Report (Y/N): N
• Serviced by Third Party (Y/N): N
• Reporter Type: Manufacturer
• Report Source: Other,Foreign,Health Professional,Company Representative,Distributor
• Initial Reporter Occupation: Physician
• Type of Report: Initial,Followup
• Report Date (Section B): 02/17/2022

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 Expiration Date: 06/20/2020
• Device Model Number: M00513850
• Device Catalogue Number: 1385
• Device Lot Number: 0022281726
• Was Device Available for Evaluation?: Device Returned to Manufacturer
• Date Returned to Manufacturer: 01/20/2022
• Is the Reporter a Health Professional?: Yes
• Type of Report(Section G): Follow-Up
• Initial Date Received by Manufacturer: 12/21/2021
• Supplement Date Received by Manufacturer: 01/28/2022
• Initial Report FDA Received Date: 01/13/2022
• Supplement Report FDA Received Date: 02/17/2022
• Was Device Evaluated by Manufacturer? (Y/N): Yes
• Date Device Manufactured: 06/21/2018
• 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 Age: 75 YR
• Patient Sex: Male
• Patient Weight: 60 KG