MAUDE Adverse Event Report: COOK INC QUICK-CORE COAXIAL BIOPSY NEEDLE SET; KNW INSTRUMENT, BIOPSY

Model Number	N/A
Medical Device Problem Code	Difficult to Remove (1528)
Health Effect - Clinical Code	No Consequences Or Impact To Patient (2199)
Date of Event	10/22/2020
Type of Reportable Event	Malfunction
Additional Manufacturer Narrative
Occupation: unknown.This report includes information known at this time.A follow up report will be submitted should additional relevant information become available.
Event or Problem Description
It was reported an unknown patient required a quick-core coaxial biopsy needle set for an unknown procedure.Prior to patient contact, the operator noted the stylet was screwed too tight in the outer part of the needle and could not be taken apart.As reported, the patient did not experience any adverse effects or require any additional procedures due to this occurrence.
Additional Manufacturer Narrative
Investigation - evaluation.Nanjing changde med.Supp.Co.In china informed cook of an incident involving a quick-core coaxial biopsy needle set.The complainant reported that prior to use/patient contact, the stylet was screwed too tight in the outer part of the needle and could not be taken apart.No adverse effects were reported.A review of the complaint history, device history record (dhr), instructions for use (ifu), quality control, and specifications, as well as a visual inspection and functional test of the returned device, was conducted during the investigation.One prior to use coaxial needle assembly was returned to cook for evaluation.A functional test found that some difficulty was encountered while unscrewing the assembly by hand the first time.When re-tightened by hand and attempting to unscrew a second time, the same difficulty was encountered.The needle slid within the cannula with ease.Cook has concluded that the device was manufactured to specification.Additionally, a document-based investigation evaluation was performed.Although inspection steps are in place related to this failure mode, a project was opened to further investigate/address this issue.A correction has been implemented and the complaint device was manufactured prior to implementation of the correction.A review of the design history file (dhf) showed that this device is both safe and effective for its intended use.A review of the dhrs for the reported complaint device lot and the related dtn subassembly lots revealed a related nonconformance for "incorrect fit (space incorrect on the stylet)" in which three devices were reworked.A database search did not identify any other events associated with the reported device lot.There is no evidence suggesting nonconforming product exists either in house or in field.Cook also reviewed product labeling.The product ifu provides the following information to the user related to the reported failure mode: how supplied ¿upon removal from 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, a definitive root cause for this event could not be established.The appropriate personnel have been notified.Cook will continue to monitor for similar complaints.Per the quality engineering 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.
Event or Problem Description
No additional information regarding the patient and/or event has been received since the previous medwatch report was sent.

• Brand Name: QUICK-CORE COAXIAL BIOPSY NEEDLE SET
• Common Device Name: KNW INSTRUMENT, BIOPSY
• Manufacturer (Section D): COOK INC; 750 daniels way; bloomington IN 47404
• MDR Report Key: 10729445
• Report Number: 1820334-2020-01932
• Device Sequence Number: 19855388
• Product Code: KNW
• UDI-Device Identifier: 00827002087903
• UDI-Public: (01)00827002087903(17)250331(10)13099217
• Combination Product (Y/N): N
• Initial Reporter Country: CN
• PMA/510(K) Number: K973565
• Number of Events Summarized: 1
• Summary Report (Y/N): N
• Serviced by Third Party (Y/N): N
• Reporter Type: Manufacturer
• Report Source: distributor,foreign,other,use
• Initial Reporter Occupation: Other
• Type of Report: Initial,Followup
• Report Date (Section B): 03/10/2021

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: 03/31/2025
• Device Model Number: N/A
• Device Catalogue Number: QCS-18-15.0-20T
• Device Lot Number: 13099217
• Was Device Available for Evaluation?: Device Returned to Manufacturer
• Date Returned to Manufacturer: 11/04/2020
• Initial Date Received by Manufacturer: 10/22/2020
• Supplement Date Received by Manufacturer: 03/01/2021
• Initial Report FDA Received Date: 10/23/2020
• Supplement Report FDA Received Date: 03/10/2021
• Is This a Single-Use Device that was Reprocessed and Reused on a Patient? (Y/N): No
• Patient Sequence Number: 1