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A manufacturing review was conducted.The lot met all release criteria.Visual/microscopic inspection: as the device was not returned, an inspection could not be performed.Functional/performance evaluation: as the device was not returned, an evaluation could not be performed.Medical records review: as medical records were not provided, a review could not be performed.Image/photo review: no medical images have been made available to the manufacturer.Conclusion: the investigation is inconclusive, as the sample was not returned for evaluation.Per the reported event details, it was noted that the procedure was performed in a dense lesion and scar tissue, therefore patient factors may have contributed to the reported event.However, the definitive root cause is unknown.Labeling review: the current instructions for use (ifu) that was included in the product prescribes the proper method of implantation for this device to prevent undue injury to the patient and damage to the product.Ifu states the product is supplied sterile and non-pyrogenic unless the package has been opened or damaged.Sterilized using ethylene oxide.For single patient use only.Do not reuse.Do not resterilize.Instrument penetration depth and sample notch specifications.The following is applicable to all catalogue numbers.The instrument has an 18mm and 25mm penetration depth.The length of the sample notch for the 18mm penetration depth is 17mm.Directions for use: device preparation: using aseptic technique, remove the instrument and coaxial (when applicable) from its package.Remove the protective needle sheath(s).Before using the instrument or coaxial, inspect each needle for damaged point, bent shaft or other imperfections that would prevent proper function.If the needle is damaged or bent, do not use.Energize (cock) the instrument by pulling back on the energizing slide twice to lock the cutting cannula and stylet in place.Using the penetration depth switch, select the desired penetration depth (18mm or 25mm).The default setting is 25mm.Changing the penetration depth is only possible when the instrument is energized.Note (kit only): prior to performing the procedure, ensure the trocar stylet can be separated from the coaxial cannula without difficulty by loosening the hubs.Retighten the trocar stylet into the coaxial cannula and ensure the trocar stylet is fully seated in the coaxial cannula prior to insertion into the patient.Ifu warns inspect instrument and kit needle components for damaged point, bent shaft or other imperfections prior to use and after each sample is collected.Do not use the device if any imperfection is noted.Precautions: the instrument and kit should be used by a physician who is completely familiar with the indications, contraindications, limitations, typical findings and possible side effects of core needle biopsy, in particular, those relating to the specific tissue being biopsied.The introduction of the needle into the body should be carried out under imaging guidance (ultrasound, x-ray, ct, etc.).Note: this product has not been tested for mr imaging compatibility.Never test the instrument by firing into the air.Damage may occur to the instrument needle tip and could result in patient and/or user injury.Unusual force applied to the stylet or unusual resistance against the stylet while extended out of the cutting cannula may cause the stylet to bend at the sample notch.A bent sample notch may interfere with needle function.Potential complications: potential complications associated with core biopsy procedures are site specific and may include, but are not limited to: hematoma; hemorrhage; infection; adjacent tissue injury; pain; bleeding; hemoptysis; hemothorax; non-target tissue, organ or vessel perforation; pneumothorax; and air embolism.Air embolism is a rare but serious potential complication of lung biopsy procedures.Rapid deterioration of neurological status and/or cardiac arrhythmia may be indicative of air embolism.Prompt diagnosis and treatment must be considered if the patient exhibits signs or symptoms of air embolism.
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It was reported that during an ultrasound guided breast biopsy through dense and scar tissue, the health care provider (hcp) noted that they were allegedly unable to remove the device from the coaxial and that both were stuck in the target tissue after the first sample attempt.It was further reported that the device and coaxial were successfully removed by gently twisting out of the target tissue.Once removed, the hcp allegedly used forceps to separate the device and coaxial to what was noted as an inadequate tissue sample.Reportedly, the procedure was completed with the affected device, without the coaxial.There was no reported patient injury.
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