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It was reported a flexor rtps guiding sheath was used during a transjugular intrahepatic portosystemic shunt (tips) procedure on a patient.The customer experienced difficulty advancing a competitor's stent through the 10f sheath.The procedure was completed using a new 10f sheath device.Upon receipt of the complaint device, it was noted the hub was separated from the sheath.As reported, the patient did not experience any adverse effects or require any additional procedures due to this occurrence.
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Blank fields on this form indicate the information is unchanged, unknown, or unavailable.Correction: e1 - customer (person): unknown representative of integris baptist med.Ctr.Investigation ¿ evaluation an unknown representative of integris baptist med.Ctr.(united states) informed cook that on 09nov2022 another manufacturer's stent would not pass ¿as it should¿ through the valve of a flexor rtps guiding sheath (rpn: kcfw-10.0-35-rb-rtps-100; lot #: 14877280).The procedure was completed using another 10f sheath.Additionally, upon examination of the returned device, it was noted that the sheath had separated at the hub.It was reported that there were no adverse effects to the patient due to this occurrence.Reviews of the complaint history, device history record (dhr), instructions for use (ifu), manufacturing instructions, and quality control procedures, as well as a visual inspection of the returned device, were conducted during the investigation.Cook received one sheath and dilator from rpn, kcfw-10.0-35-rb-rtps-100, in used condition.The shaft of the sheath had separated at the hub, with the flared portion of the sheath still in the hub.There is no delamination in the inner diameter of the tubing.Due to the damaged condition of the device, an inner diameter measurement at the hub was unable to be obtained.Additionally, a document-based investigation evaluation was performed.Cook completed a review of the product device master record (dmr) and concluded that sufficient inspection activities are in place to identify this failure mode prior to distribution.Cook also reviewed the device history record (dhr).The dhr for lot 14877280 records one relevant non-conformances.The non-conformance was for shaft damage.There are 100% inspections to identify this before shipment.All non-conforming material was scrapped.A search on the subassembly raw material lot found no non-conformances.A database search found no additional complaints from lot 14877280.Cook also reviewed product labeling.The product ifu,[t_flexor_rev2] ¿flexor introducer / flexor guiding sheath,¿ provides the following information to the user related to the reported failure mode: precautions ¿in order to ensure device compatibility, choose a sheath size large enough to accommodate the maximum outer diameter of any devices that will be placed through the sheath.All interventional or diagnostic instruments used with this product should be move freely through the valve and sheath to avoid damage.Instructions for use sheath introduction ¿1.Ensure that the inner diameter (id) of the sheath is appropriate for the maximum diameter of the instruments to be introduced.¿ the information provided upon review of the dmr, dhr, ifu, and device failure analysis, does not indicate the device was manufactured out of specification.There is no evidence of nonconforming material in house or in the field.Based on the information provided, inspection of the returned device, and the results of the investigation, cook is unable to establish a cause for this failure.The accordion of the sheath and separation at the hub could have occurred due to the attempted advancement and removal of the gore stent.Cook cannot confirm due to the exact dimensions of the stent is unknown.The appropriate personnel have been notified.Cook will continue to monitor for similar complaints.Per the risk assessment no further action is required.This report is required by the fda under 21 cfr part 803 and is based on unconfirmed information submitted by others.Neither the submission of this report nor any statement contained herein is intended to be an admission that any cook device is defective or malfunctioned, that a death or serious injury occurred, nor that any cook device caused, contributed to, or is likely to cause or contribute to a death or serious injury if a malfunction occurred.
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