MAUDE Adverse Event Report: WILSON-COOK MEDICAL INC ACUSNARE POLYPECTOMY SNARE; ENDOSCOPIC ELECTROSURGICAL UNIT AND ACCESSORIES

Model Number	G22696
Medical Device Problem Code	Difficult to Open or Close (2921)
Health Effect - Clinical Code	No Clinical Signs, Symptoms or Conditions (4582)
Date of Event	07/18/2025
Type of Reportable Event	Malfunction
Event or Problem Description
In preparation for a procedure, the user selected a cook acusnare polypectomy snare.It was reported [that the] operator had difficulty closing device as handle was too stiff.Additional information was received on 22july2025 confirming that there was difficulty when retracting the snare.A section of the device did not remain inside the patient¿s body.The patient did not require any additional procedures due to this occurrence.According to the initial reporter, the patient did not experience any adverse effects due to this occurrence.
Additional Manufacturer Narrative
Investigation evaluation: a product evaluation was not performed in response to this report because the product said to be involved was not provided to cook for evaluation.The report could not be confirmed.The device history record for the lot number said to be involved was reviewed.A discrepancy or anomaly was not observed with the product that was released for distribution.Investigation conclusion: we could not conduct a complete investigation because the product said to be involved was not returned for evaluation.A definitive cause for the reported observation could not be determined.The instructions for use contains the following information to assist with proper setup and use of the device: "fully retract and extend the snare to confirm smooth operation of the device." prior to distribution, all acusnare polypectomy snares are subjected to a visual inspection and functional testing to ensure device integrity.A review of the device history record confirmed that the lot said to be involved met all manufacturing requirements prior to shipment.Corrective action: based on the quality engineering risk assessment no corrective action is warranted at this time.A review of the complaint history was conducted.Based on this review, the likelihood of this type of report is rare.Quality assurance will continue to monitor for complaint trends.
Additional Manufacturer Narrative
Correction: it was determined through additional information that the malfunction occurred during use.Investigation evaluation: a product evaluation was not performed in response to this report because the product said to be involved was not provided to cook for evaluation.The report could not be confirmed.However, one sealed device from the lot number in the report was returned and evaluated.Sealed device: our evaluation of the sealed device could not confirm the report as it was described.Functional testing was performed to measure the force required to advance the snare head and the force required to snare a polyp.The snare head advanced at a lbf within specification.The snare was able to capture the polyp at a lbf within specifications.The complaint could not be confirmed for the sealed device.The device history record for the lot number said to be involved was reviewed.A discrepancy or anomaly was not observed with the product that was released for distribution.Investigation conclusion: used device: we could not conduct a complete investigation because the product said to be involved was not returned for evaluation.A definitive cause for the reported observation could not be determined.Sealed device: a definitive cause for the reported observation could not be determined because the product said to be involved functioned as intended.A discrepancy or anomaly that could have contributed to the reported observation was not observed during our laboratory analysis of the returned product.The instructions for use contains the following information to assist with proper setup and use of the device: "fully retract and extend the snare to confirm smooth operation of the device." prior to distribution, all acusnare polypectomy snares are subjected to a visual inspection and functional testing to ensure device integrity.A review of the device history record confirmed that the lot said to be involved met all manufacturing requirements prior to shipment.Corrective action: based on the quality engineering risk assessment no corrective action is warranted at this time.A review of the complaint history was conducted.Based on this review, the likelihood of this type of report is rare.Quality assurance will continue to monitor for complaint trends.
Event or Problem Description
During an endoscopic procedure in the colon , the user selected a cook acusnare polypectomy snare.It was reported [that the] operator had difficulty closing device as handle was too stiff.Additional information was received on 22july2025 confirming that there was difficulty when retracting the snare.A section of the device did not remain inside the patient¿s body.The patient did not require any additional procedures due to this occurrence.According to the initial reporter, the patient did not experience any adverse effects due to this occurrence.

• Brand Name: ACUSNARE POLYPECTOMY SNARE
• Common Device Name: ENDOSCOPIC ELECTROSURGICAL UNIT AND ACCESSORIES
• Manufacturer (Section D): WILSON-COOK MEDICAL INC; 4900 bethania station rd; winston-salem NC 27105
• Manufacturer Contact: sabrina o¿brien ; 4900 bethania station rd; winston-salem, NC 27105 ; 3367440157
• MDR Report Key: 22819261
• Report Number: 1037905-2025-00598
• Device Sequence Number: 12197115
• Product Code: FDI
• UDI-Device Identifier: 00827002227019
• UDI-Public: (01)00827002227019(17)280429(10)W4934681
• Combination Product (Y/N): N
• Initial Reporter Country: GB
• PMA/510(K) Number: K173673
• Number of Events Summarized: 1
• Summary Report (Y/N): N
• Reporter Type: Manufacturer
• Report Source: Foreign,Health Professional,Company Representative
• Initial Reporter Occupation: Other Health Care Professional
• Type of Report: Initial,Followup
• Report Date (Section B): 09/26/2025

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: G22696
• Device Catalogue Number: ASMH-1
• Device Lot Number: W4934681
• Was Device Available for Evaluation?: Device Returned to Manufacturer
• Is the Reporter a Health Professional?: Yes
• Type of Report(Section G): Thirty-Day
• Initial Date Received by Manufacturer: 07/21/2025
• Supplement Date Received by Manufacturer: 09/02/2025
• Initial Report FDA Received Date: 08/15/2025
• Supplement Report FDA Received Date: 09/26/2025
• Was Device Evaluated by Manufacturer? (Y/N): No
• Date Device Manufactured: 04/29/2025
• Usage of Device: Initial
• Patient Sequence Number: 1
• Patient Sex: Unknown