MAUDE Adverse Event Report: COOK INC NESTER PLATINUM EMBOLIZATION MICROCOIL; KRD DEVICE, VASCULAR, FOR PROMOTING EMBOLIZATION

Model Number	G52732
Medical Device Problem Code	Unraveled Material (1664)
Health Effect - Clinical Code	No Clinical Signs, Symptoms or Conditions (4582)
Date of Event	12/19/2025
Type of Reportable Event	Malfunction
Additional Manufacturer Narrative
D2 - this device as it is not sold in the u.S.; however, this device meets the qualifications for a device that is same/similar to one that is sold in the u.S.The product code and common device name reflect the same/similar device.E1 - customer (person): phone: (b)(6).H3 - device evaluated by mfg.? device has been returned, and preliminary evaluation has been performed.However, the investigation is ongoing.The device evaluation summary will be included in the follow up report once the investigation has been completed.This report includes information known at this time.A follow-up report will be submitted should additional relevant information become available.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 or that a death or serious injury occurred; nor is it admission 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
It was reported that a nester platinum embolization microcoil was defective.An additional coil was required to complete the artery embolization procedure.As reported, the patient did not experience any adverse effects or require any additional procedures due to this occurrence.Upon initial inspection of the returned device, it was discovered that the coil was unraveled, thus prompting this report.

• Brand Name: NESTER PLATINUM EMBOLIZATION MICROCOIL
• Common Device Name: KRD DEVICE, VASCULAR, FOR PROMOTING EMBOLIZATION
• Manufacturer (Section D): COOK INC; 750 daniels way; bloomington IN 47404
• Manufacturer (Section G): COOK INC; 750 daniels way; bloomington IN 47404
• Manufacturer Contact: jason crouch ; 750 daniels way; bloomington, IN 47404 ; 8123392235
• MDR Report Key: 24260287
• Report Number: 1820334-2026-00119
• Device Sequence Number: 18529274
• Product Code: KRD
• UDI-Device Identifier: 00827002527324
• UDI-Public: (01)00827002527324(17)300221(10)16477786
• Combination Product (Y/N): N
• Initial Reporter Country: IN
• Number of Events Summarized: 1
• Summary Report (Y/N): N
• Serviced by Third Party (Y/N): N
• Reporter Type: Manufacturer
• Report Source: Other,Foreign,Company Representative
• Initial Reporter Occupation: Physician
• Type of Report: Initial,Followup
• Report Date (Section B): 05/07/2026

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 Model Number: G52732
• Device Catalogue Number: MWCE-18-3-3-NESTER
• Device Lot Number: 16477786
• Was Device Available for Evaluation?: Device Returned to Manufacturer
• Date Returned to Manufacturer: 02/02/2026
• Is the Reporter a Health Professional?: Yes
• Type of Report(Section G): Thirty-Day
• Initial Date Received by Manufacturer: 02/02/2026
• Supplement Date Received by Manufacturer: 05/05/2026
• Initial Report FDA Received Date: 02/04/2026
• Supplement Report FDA Received Date: 05/07/2026
• Was Device Evaluated by Manufacturer? (Y/N): Yes
• Date Device Manufactured: 02/21/2025
• 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
• Usage of Device: Initial
• Patient Sequence Number: 1
• Patient Age: 52 YR
• Patient Sex: Male
• Patient Weight: 50 KG