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It was reported that a salivary stone extractor basket sseb was required for a sialendoscopy procedure in the parotid ducts to remove parotid stones.During removal of the third stone, the physician withdrew the device and scope from the patient and discovered the basket was no longer present.The physician then followed up with x-ray and scope and no remnants of the device were identified.The "case was closed".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.Investigation ¿ evaluation: sengkang general hospital informed cook on 06/15/2022 of an incident involving a salivary stone extractor basket (sseb sseb-1.5-115-10) from lot # 14133708.It was reported that the basket could not be located during a sialendoscopy procedure on 15jun2022.The patient reportedly experienced no harm as a result of the issue.A review of the complaint history, device history record, 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.One used device was returned without packaging.The basket was no longer attached to the basket sheath and two small segments of the basket sheath were returned separately.There does appear to be charring marks at the separation points, but it is difficult to say definitively.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.In response to this incident, cook reviewed the device history record (dhr).The dhr for lot 14133708 recorded no non-conformances.A database search revealed no other complaints had been reported from the complaint device lot.The information provided upon review of complaint file,dhr, complaint history, and quality control documents did not provide evidence to support that the device was manufactured out of specification or to suggest items in the lot or similar devices in the field or in house were nonconforming.Cook also reviewed product labeling.The product ifu, t_tse_rev4, provides the following information to the user related to the reported failure mode: contraindications: ¿sialadenitis¿, ¿acute glandular infection¿.Precautions: ¿if resistance is encountered while attempting to remove caliculi or other foreign bodies, release the object.Excessive force would damage the device.¿ instructions for use: ¿maintaining position of the stone or foreign body within the basket, retract the endoscope and basket as a unit for the salivary duct to facilitate immediate removal of the object.¿ how supplied: ¿upon removal from the package, inspect the product to ensure no damage has occurred.¿ based on the information provided, inspection of the returned device, and the results of the investigation, cook concluded the cause of this event could not be determined.As reported, the returned device was missing the basket.The distal end of the basket sheath had been cut, with two short pieces returned.The cut ends of the basket sheath were very smooth, appearing to have been cut by scissors.Presumably cut by the user to determine if the basket was still attached to the device.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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