LesionHunter(TM) Rotatable Nitinol Cold Snare CS2-21023231Recalls & reported problems

Summary

The FDA's MAUDE database contains 4 adverse event reports that list this exact device (DI 06932503550055), received between Nov 3, 2023 and May 9, 2025 — classified as 4 malfunctions.

The most frequently reported specific device problem is “Break” (4 reports).

Reports come from manufacturers, hospitals and patients and are not verified by the FDA. A report does not prove the device caused the event, and counts can't be used to compare devices or estimate failure rates. What reports can and can't tell you · How this data works · Data updated Oct 18, 2026.

Most reported problems

Recent adverse event reports

The 4 most recent of 4 reports, in the reporter's own words as published by the FDA.

• MalfunctionMay 9, 2025Break; Break

  IT WAS REPORTED THAT FLEXIBLE SNARE TIP BROKE OFF INSIDE PATIENT'S COLON DURING ATTEMPT TO USE DEVICE TO REMOVE A POLYP BY PHYSICIAN AND SURGICAL TECH. SNARE TIP NOT RETRIEVED, NO DETECTABLE HARM TO PATIENT. LESION HUNTER ROTATABLE NITINOL COLD SNARE 10 MM LOT M240815304, EXP: 08/14/2029, DATE OF MANUFACTURE: 08-15-2024 REF: (B)(4).

  Patient problems: Foreign Body In Patient

  MAUDE report 21991997 ↗
• MalfunctionNov 15, 2024Break; Break

  ON NOVEMBER 12, 2024. MICRO-TECH CHECKED THE MAUDE WEBSITE AND FOUND A MDR REPORT REGARDING COLD SNARE OF MICRO-TECH (NANJING) CO., LTD. MDR REPORT #: MW5161015. IT WAS REPORTED THAT PATIENT HAVING EGD/COLONOSCOPY WITH ASCENDING COLON POLYPECTOMY WITH COLD SNARE. SNARE DETACHED FROM EQUIPMENT AFTER REMOVING POLYP. PHYSICIAN REMOVED LOOSE SNARE WITHOUT ANY INJURY TO PATIENT. PATIENT DID WELL IN RECOVERY - DISCHARGED WITHOUT ANY ADVERSE EFFECTS.

  Patient problems: No Clinical Signs, Symptoms or Conditions

  MAUDE report 20692844 ↗
• MalfunctionJan 18, 2024Break; Break

  ON JANUARY 12, 2024, MICRO-TECH RECEIVED A MEDWATCH REPORT REGARDING LESIONHUNTER(TM) ROTATABLE NITINOL COLD SNARE. USER FACILITY REPORT #:0500470000-2023-0006. IT WAS REPORTED THAT "DURING THE PATIENT'S COLONOSCOPY, A LESION HUNTER SNARE WAS USED TO RESECT A POLYP. DURING INITIAL RESECTION ATTEMPT, THE SNARE MALFUNCTIONED AND THE SNARE WIRE DISCONNECTED (BROKE) INSIDE THE PATIENT. THE DISCONNECTED WIRE WAS REMOVED WITH A RAPTOR FORCEP FROM THE DISTAL ASCENDING COLON."

  Patient problems: No Clinical Signs, Symptoms or Conditions

  MAUDE report 18532780 ↗
• MalfunctionNov 3, 2023Break; Break

  ON (B)(6) 2023, MICRO-TECH RECEIVED A MDR REPORT NOTIFICATION FROM FDA. MDR REPORT #: MW5147024. IT WAS REPORTED THAT "DURING A COLONOSCOPY, THERE WAS A POLYP FOUND, WE OPENED A COLD SNARE. WHILE TRYING TO REMOVE THE POLYP WITH THE SNARE, THE TIP OF THE SNARE BROKE OFF. IT WAS RETRIEVED FROM THE PATIENT AND SEQUESTERED. THE STAFF IN THE ROOM OPENED A DIFFERENT TYPE OF SNARE AND WAS ABLE TO REMOVE THE POLYP. THERE WAS NO HARM TO THE PATIENT."

  Patient problems: Foreign Body In Patient

  MAUDE report 18063380 ↗