MAUDE Adverse Event Report: ARGON MEDICAL DEVICES T-LOK BONE MARROW BIOPSY NEEDLE 8GA X 4IN

Model Number	DBMNJ0804TL
Health Effect - Clinical Code	No Clinical Signs, Symptoms or Conditions (4582)
Type of Reportable Event	Malfunction
Event or Problem Description
Hematologist dr.(b)(6) called me yesterday regarding poorer quality of the bone marrow needles over longer time.He has been using our needles for at least 15 years, and only us, 150-200 needles per year.(dbmnj0806 mostly).In a national study a while ago, ålesund received the highest score on biopsy quality.They measured length thickness, and the pathologist's description among other things.Now they must use more force to get through the marrow.Unison from 5 doctors, including himself.A female doctor is no longer able to take biopsies due to lack of power.She blames her age a bit, but that can´t be the explanation.2.The pathologists describe the biopsy as more compressed than before.This causes fractures in the material and the diagnosis is made more difficult.April 21th; he will compare today needles with older needles produced in 2018 and 2019 we hope to get closer to the problem in this way.I will return some needle and some old needle to compare after the meeting april21.
Additional Manufacturer Narrative
The sample is indicated as available for return.As of the date of this report, the sample has not been returned.A follow-up report will be provided once the device has been received and reviewed.
Additional Manufacturer Narrative
The sample is indicated as available for return.As of the date of this report, the sample has not been returned.A follow-up report will be provided once the device has been received and reviewed.
Event or Problem Description
Hematologist dr.Brudevold called me yesterday regarding poorer quality of the bone marrow needles over longer time.He has been using our needles for at least 15 years, and only us, 150-200 needles per year.(dbmnj0806 mostly).In a national study a while ago, ålesund received the highest score on biopsy quality.They measured length thickness, and the pathologist's description among other things.Now they must use more force to get through the marrow.Unison from 5 doctors, including himself.A female doctor is no longer able to take biopsies due to lack of power.She blames her age a bit, but that can´t be the explanation.The pathologists describe the biopsy as more compressed than before.This causes fractures in the material and the diagnosis is made more difficult.(b)(6); he will compare today needles with older needles produced in 2018 and 2019 we hope to get closer to the problem in this way.I will return some needle and some old needle to compare after the meeting (b)(6).
Additional Manufacturer Narrative
A review of the batch records confirmed that the product was manufactured according to specification and no deviations or anomalies were found.Eight unopened devices were returned for evaluation.Visual inspection found no damage to the products.The devices were opened and found to be within argon specification.A test sample was taken and found to be acceptable.Since the alleged issue could not be duplicated, no further evaluation was needed.The complaint mode could not be duplicated during testing, and no manufacturing defects were identified during testing.As such, no further root cause analysis and corrective action is required at this time.
Event or Problem Description
Hematologist dr.(b)(6) called me yesterday regarding poorer quality of the bone marrow needles over longer time.He has been using our needles for at least 15 years, and only us, 150-200 needles per year.(dbmnj0806 mostly).In a national study a while ago, (b)(6) received the highest score on biopsy quality.They measured length thickness, and the pathologist's description among other things.Now they must use more force to get through the marrow.Unison from 5 doctors, including himself.A female doctor is no longer able to take biopsies due to lack of power.She blames her age a bit, but that can´t be the explanation.2.The pathologists describe the biopsy as more compressed than before.This causes fractures in the material and the diagnosis is made more difficult.April 21th; he will compare today needles with older needles produced in 2018 and 2019 we hope to get closer to the problem in this way.I will return some needle and some old needle to compare after the meeting april21.

• Brand Name: T-LOK BONE MARROW BIOPSY NEEDLE 8GA X 4IN
• Common Device Name: T-LOK BONE MARROW BIOPSY NEEDLE
• Manufacturer (Section D): ARGON MEDICAL DEVICES; 1445 flat creek rd; athens TX 75751
• Manufacturer Contact: elnaz rahman ; 1445 flat creek rd; athens, TX 75751 ; 9036759321
• MDR Report Key: 14165153
• Report Number: 0001625425-2022-00988
• Device Sequence Number: 11981478
• Product Code: KNW
• UDI-Device Identifier: 00886333001514
• UDI-Public: 00886333001514
• Combination Product (Y/N): N
• Initial Reporter Country: US
• PMA/510(K) Number: K980196
• Number of Events Summarized: 1
• Summary Report (Y/N): N
• Serviced by Third Party (Y/N): Unknown
• Reporter Type: Manufacturer
• Report Source: Health Professional,User Facility
• Initial Reporter Occupation: Physician
• Type of Report: Initial,Followup,Followup
• Report Date (Section B): 06/23/2022

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: 07/19/2026
• Device Model Number: DBMNJ0804TL
• Device Catalogue Number: DBMNJ0804TL
• Device Lot Number: 11376682
• Was Device Available for Evaluation?: Device Returned to Manufacturer
• Is the Reporter a Health Professional?: Yes
• Was the Report Sent to FDA?: No
• Type of Report(Section G): Thirty-Day
• Initial Date Received by Manufacturer: 04/11/2022
• Supplement Date Received by Manufacturer: 04/11/2022; 04/11/2022
• Initial Report FDA Received Date: 04/21/2022
• Supplement Report FDA Received Date: 05/12/2022; 06/23/2022
• Was Device Evaluated by Manufacturer? (Y/N): Yes
• Is the Device Labeled for Single Use? (Y/N): Yes
• Is This a Single-Use Device that was Reprocessed and Reused on a Patient? (Y/N): No
• Patient Sequence Number: 1
• Outcome Attributed to Adverse Event: Other; Required Intervention
• Patient Sex: Unknown