MAUDE Adverse Event Report: Cook Inc ULTRATHANE DAWSON-MUELLER MAC-LOC LOCKING LOOP MULTIPURPOSE DRAINAGE CATHETER; FGE; Stents, Drains and Dilators for the Biliary Ducts

Model Number	G13768
Medical Device Problem Code	Difficult to Remove (1528)
Health Effect - Clinical Code	No Clinical Signs, Symptoms or Conditions (4582)
Date of Event	09/17/2026
Type of Reportable Event	Malfunction
Event or Problem Description
It was reported that the stiffening cannula could not be removed from an ultrathane dawson-mueller mac-loc locking loop multipurpose drainage catheter during an unspecified procedure.The drainage catheter with stiffener were advanced over the wire guide; however, when attempting to remove the stiffening cannula, it was found to be firmly lodged in the catheter and could not be removed.Another device was subsequently used, but the stiffening cannula of that device also could not be removed.The procedure was completed using an alternative like device from a different catalog number.As reported, the patient did not experience any adverse effects or require any additional procedures due to this occurrence.
Additional Manufacturer Narrative
Blank fields on this form indicate the information is unknown or unavailable.D2a- additional common names: gbo catheter, nephrostomy, general & plastic surgery; lje catheter, nephrostomy d2b- additional product codes: gbo; lje h3 - the device is not being returned for evaluation.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.This report is based on unconfirmed information submitted by others.Neither the submission of this report nor any statement made in it is intended to be an admission that any cook device is defective or malfunctioned; that a death or serious injury occurred; or that any cook device caused or contributed to; or is likely to cause or contribute to a death or serious injury if a malfunction occurred.

• Brand Name: ULTRATHANE DAWSON-MUELLER MAC-LOC LOCKING LOOP MULTIPURPOSE DRAINAGE CATHETER
• Common Device Name: FGE; Stents, Drains and Dilators for the Biliary Ducts
• Manufacturer (Section D): Cook Inc; 750 daniels way; bloomington IN 47404
• Manufacturer Contact: jason crouch ; 750 daniels way; bloomington, IN 47404 ; +1(812)339-2235
• MDR Report Key: 50935629
• Report Number: 1820334-2026-01010
• Device Sequence Number: 9509254
• Product Code: FGE
• UDI-Device Identifier: 00827002137684
• Combination Product (Y/N): N
• Initial Reporter Country: JA
• PMA/510(K) Number: K173035
• 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
• Type of Report: Initial
• Report Date (Section B): 09/29/2026

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: G13768
• Device Catalogue Number: ULT7.0-35-25-P-5S-CLDM-WF-HC
• Device Lot Number: 17157682
• Was Device Available for Evaluation?: No
• Is the Reporter a Health Professional?: No
• Type of Report(Section G): Thirty-Day
• Initial Date Received by Manufacturer: 09/25/2026
• Initial Report FDA Received Date: 09/29/2026
• Was Device Evaluated by Manufacturer? (Y/N): No
• Date Device Manufactured: 06/04/2026
• 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 Sex: Unknown