MAUDE Adverse Event Report: ANGIOMED GMBH & CO. MEDIZINTECHNIK KG LIFESTENT VASCULAR STENT

Catalog Number EX050803C

Device Problems Break (1069); Positioning Failure (1158)

Patient Problem No Clinical Signs, Symptoms or Conditions (4582)

Event Date 12/23/2023

Event Type  malfunction  

Manufacturer Narrative

H10: the catalog number identified in section d4 has not been cleared in the us but is similar to the lifestent vascular stent products that are cleared in the us.The pro code and 510 k number for the lifestent vascular stent products are identified in d2 and g4.H10: manufacturing review: the lot history records of this lot# were reviewed with special attention to the manufacturing and inspection of this product was found to have met the specification prior to shipment.Based on the information available it is not reasonably suggested that a manufacturing process may have caused or contributed to the reported issues.Investigation summary: the physical sample was returned for evaluation.The returned sample was found in activated condition with loaded stent, and with a broken force transmitting post inside grip which made a successful deployment using wheel or thumb slider impossible.Provided images/ movies demonstrate the used deployment mechanism with loaded stent outside patient.One video demonstrates the user activating the wheel without reaction on the deployment mechanism, so that the stent remains loaded.The investigation leads to confirmed result for break of a force transmitting post inside grip leading to deployment failure.Based on the investigation of the provided information, the investigation leads to confirmed result for break of a post inside grip and cascading failure to deploy.A definite root cause for the reported event could not be determined.Labeling review: in reviewing the relevant labeling for this product the potential issue was found addressed.The instructions for use state: 'if excessive force is felt during stent deployment, do not force the delivery system.Remove the delivery system and replace with a new unit.' regarding access/ accessories the instructions for use state: 'gain femoral access at the appropriate site using a 6f (2.0 mm) or larger introducer sheath.Insert a 0.035 inch (0.89 mm) diameter guidewire (.)'.Furtherly, the instructions for use state: 'predilation of the lesion should be performed using standard techniques.' holding and handling of the system during deployment was found sufficiently described; in particular the instructions for use state: 'do not hold the silver stent delivery sheath at any time during deployment.Do not constrict the stent delivery sheath during stent deployment.' h10: d4 (expiration date: 03/2025).H11: section a through f ¿ the information provided by bd represents all the known information at this time.Despite good faith efforts to obtain additional information, the complainant/reporter was unable or unwilling to provide any further patient, product, or procedural details to bd.

Event Description

It was reported that during a stent placement procedure, the stent allegedly failed to release.There was no reported patient injury.

• Brand Name: LIFESTENT VASCULAR STENT
• Type of Device: VASCULAR STENT
• Manufacturer (Section D): ANGIOMED GMBH & CO. MEDIZINTECHNIK KG; wachhausstr. 6; karlsruhe 76227 ; GM 76227
• Manufacturer (Section G): ANGIOMED GMBH & CO. MEDIZINTECHNIK KG; wachhausstr. 6; karlsruhe 76227 ; GM 76227
• Manufacturer Contact: brett curtice ; 800 w. rio salado pkwy; tempe, AZ 85281 ; 4803032689
• MDR Report Key: 18683355
• MDR Text Key: 335823165
• Report Number: 9681442-2024-00015
• Device Sequence Number: 1
• Product Code: NIP
• Combination Product (y/n): N
• Reporter Country Code: CH
• PMA/PMN Number: P070014
• Number of Events Reported: 1
• Summary Report (Y/N): N
• Report Source: Manufacturer
• Source Type: Other,Foreign,Health Professional,User Facility,Company Representative
• Reporter Occupation: Physician
• Type of Report: Initial
• Report Date: 02/06/2024

1 Device was Involved in the Event

1 Patient was Involved in the Event

• Date FDA Received: 02/12/2024
• Is this an Adverse Event Report?: No
• Is this a Product Problem Report?: Yes
• Device Operator: Health Professional
• Device Catalogue Number: EX050803C
• Device Lot Number: ANHQ2845
• Was Device Available for Evaluation?: Device Returned to Manufacturer
• Date Returned to Manufacturer: 01/29/2024
• Is the Reporter a Health Professional?: Yes
• Date Manufacturer Received: 02/05/2024
• Was Device Evaluated by Manufacturer?: Yes
• Is the Device Single Use?: Yes
• Is This a Reprocessed and Reused Single-Use Device?: No
• Type of Device Usage: Initial
• Patient Sequence Number: 1