Acusnare G22701Recalls & reported problems

Summary

The FDA's MAUDE database contains 16 adverse event reports that list this exact device (DI 00827002227019), received between Mar 19, 2018 and Sep 2, 2026 — classified as 1 injury, 15 malfunctions.

The most frequently reported specific device problem is “Failure to Cut” (6 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 16, 2026.

Most reported problems

Recent adverse event reports

The 16 most recent of 16 reports, in the reporter's own words as published by the FDA.

• MalfunctionSep 2, 2026Failure to Conduct

  Patient problems: No Clinical Signs, Symptoms or Conditions

  MAUDE report 50565084 ↗
• MalfunctionAug 14, 2026Failure to Cut

  Patient problems: No Clinical Signs, Symptoms or Conditions

  MAUDE report 50260223 ↗
• InjuryFeb 20, 2026Failure to Conduct

  DURING A COLONOSCOPY, THE PHYSICIAN USED A COOK ACUSNARE POLYPECTOMY SNARE. IT WAS REPORTED [THAT] THE SNARE FAILED - DID NOT CUT [POLYP] WITH HEAT [SUBJECT OF REPORT]. A SECTION OF THE DEVICE DID NOT REMAIN INSIDE THE PATIENT¿S BODY. ACCORDING TO THE INITIAL REPORTER, THE PATIENT DID NOT EXPERIENCE ANY ADVERSE EFFECTS DUE TO THIS OCCURRENCE. WHILE THE COMPLAINANT STATES THAT THE PATIENT WAS MOVED TO THEATRES AS THE OPERATORS WERE UNABLE TO REOPEN THE SNARE THAT WAS ENCLOSED AROUND THE POLYP, IT IS CURRENTLY UNKNOWN WHAT INTERVENTION WAS REQUIRED DUE TO THIS OCCURRENCE.

  Patient problems: Device Embedded In Tissue or Plaque

  MAUDE report 24405356 ↗
• MalfunctionJan 30, 2026Difficult to Open or Close

  DURING AN COLONOSCOPY, THE PHYSICIAN USED A COOK ACUSNARE POLYPECTOMY SNARE. IT WAS REPORTED [THAT] WHERE THE HANDLE AND THE WIRE MEET, THE WIRE WAS TWISTED INSIDE THE SHEET WHICH MADE IT IMPOSSIBLE TO CLOSE [SNARE HEAD DIFFICULT TO ADVANCE AND/OR RETRACT]. 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.

  Patient problems: No Clinical Signs, Symptoms or Conditions

  MAUDE report 24220854 ↗
• MalfunctionNov 11, 2025Failure to Cut; Failure to Cut

  DURING AN UNSPECIFIED POLYPECTOMY THE PHYSICIAN USED A COOK ACUSNARE POLYPECTOMY SNARE. IT WAS REPORTED [THAT] WHEN CHECKING IF THE SNARE WORKED WITH JUST THE TIP [SNARE HEAD] OUT, IT WAS OKAY BUT WHEN FULLY OPENED DURING POLYPECTOMY THE PLASTIC COATING STARTED TO MELT AND STAFF COULD SMELL BURNING PLASTIC. 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.

  Patient problems: No Clinical Signs, Symptoms or Conditions

  MAUDE report 23526745 ↗
• MalfunctionAug 15, 2025Difficult to Open or Close; Difficult to Open or Close

  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.

  Patient problems: No Clinical Signs, Symptoms or Conditions

  MAUDE report 22819261 ↗
• MalfunctionJul 28, 2025Failure to Cut; Failure to Cut

  DURING AN UNSPECIFIED POLYPECTOMY THE PHYSICIAN USED TWO COOK ACUSNARE POLYPECTOMY SNARE. IT WAS REPORTED [THAT] WHEN CHECKING IF THE SNARE WORKED WITH JUST THE TIP [SNARE HEAD] OUT, IT WAS OKAY BUT WHEN FULLY OPENED DURING POLYPECTOMY THE PLASTIC COATING STARTED TO MELT AND STAFF COULD SMELL BURNING PLASTIC. ADDITIONAL INFORMATION RECEIVED ON 21JULY2025 ALSO CONFIRMED SNARE BECAME DIFFICULT TO OPEN/CLOSE DUE TO MELTED PART. SNARE HAD NOT APPEARED KINKED IN PACKAGING. 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.

  Patient problems: No Clinical Signs, Symptoms or Conditions

  MAUDE report 22639116 ↗
• MalfunctionJun 24, 2025Failure to Conduct; Failure to Conduct

  DURING A PROCEDURE TO REMOVE AN ANAL POLYP, THE PHYSICIAN USED A COOK ACUSNARE POLYPECTOMY SNARE. IT WAS REPORTED [THAT] CAUTERY APPEARED NOT TO BE WORKING. PER THE INFORMATION AVAILABLE IN THE MED SUN REPORT, THERE WERE NO CLINICAL CONSEQUENCES TO THE PATIENT OR USER.

  Patient problems: No Clinical Signs, Symptoms or Conditions

  MAUDE report 22322006 ↗
• MalfunctionJun 7, 2024Difficult to Open or Close; Difficult to Open or Close

  DURING A COLONOSCOPY PROCEDURE, THE PHYSICIAN USED A COOK ACUSNARE POLYPECTOMY SNARE. IT WAS REPORTED [THAT THE] SNARE IS VERY STIFF, DIFFICULT TO CLOSE, [AND] UNABLE TO ¿FEEL [SNARE]¿ IF YOU ARE AROUND THE POLYP DURING A POLYPECTOMY FOR COLONOSCOPY BECAUSE THERE IS SO MUCH RESISTANCE WHEN CLOSING IT. OUR ATTEMPTS TO COLLECT ADDITIONAL INFORMATION REGARDING PATIENT OUTCOME WERE UNSUCCESSFUL. WHILE THE COMPLAINANT DID NOT SPECIFY IF THE PATIENT EXPERIENCED ANY ADVERSE EFFECTS OR REQUIRED ADDITIONAL MEDICAL PROCEDURES DUE TO THIS EVENT, THE INFORMATION ABLE TO BE COLLECTED DOES NOT REASONABLY SUGGEST THE PATIENT WAS ADVERSELY IMPACTED.

  Patient problems: No Clinical Signs, Symptoms or Conditions

  MAUDE report 19491388 ↗
• MalfunctionApr 7, 2023Failure to Cut; Failure to Cut

  DURING A COLONOSCOPY, THE PHYSICIAN USED A COOK ACUSNARE POLYPECTOMY SNARE. IT WAS REPORTED THAT THE SNARE POLYPECTOMY LOOP DID NOT REMOVE THE POLYP; NON-TORQUE MATERIAL TO GRASP THE LESION AND PERFORM CAUTERIZATION. 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.

  Patient problems: No Clinical Signs, Symptoms or Conditions

  MAUDE report 16704064 ↗
• MalfunctionJan 13, 2022Failure to Conduct; Failure to Conduct

  DURING A COLONOSCOPY, A COOK ACUSNARE POLYPECTOMY SNARE WAS USED. AN OLYMPUS ESG GENERATOR AND OLYMPUS ACTIVE CORD WAS USED FOR CAUTERY TO TAKE OUT A POLYP. THE USER STARTED WITH THE OLYMPUS GENERATOR AND HAD TO SWITCH TO AN ERBE GENERATOR WITH A COOK ACTIVE CORD DUE TO NOT BEING ABLE TO CAUTERIZE. WITH THE ERBE GENERATOR, CAUTERY WAS STILL NOT POSSIBLE, AND THEY TRIED ANOTHER SNARE AS A RESULT. THE SNARE DID NOT WORK WITH EITHER ESG SYSTEM. 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.

  Patient problems: No Clinical Signs, Symptoms or Conditions

  MAUDE report 13250777 ↗
• MalfunctionJan 4, 2022Failure to Cut; Failure to Cut

  DURING A POLYPECTOMY, THE PHYSICIAN USED A COOK ACUSNARE POLYPECTOMY SNARE SOFT. THE "CUT FOR COLD/HOT SNARE DID NOT WORK (SHEATH EXPOSED)." THE USER ATTEMPTED TO COLD SNARE. THIS IS INTERPRETED TO MEAN THAT THE DEVICE WOULD NOT CUT AND THE OUTER CATHETER (SHEATH) WAS KINKED. 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.

  Patient problems: No Clinical Signs, Symptoms or Conditions

  MAUDE report 13159835 ↗
• MalfunctionJun 30, 2020Off-Label Use; Off-Label Use

  DURING AN ESOPHAGOGASTRODUODENOSCOPY (EGD), THE PHYSICIAN USED AN ACUSNARE POLYPECTOMY SNARE SOFT (SASM-1-S) ON A PATIENT OF UNKNOWN AGE AND GENDER ON (B)(6) 2020. THE DEVICE WAS COILING BY THE HANDLE SO [THE USER] WAS UNABLE TO GET A TIGHT SQUEEZE WHEN [THE USER] RETRIEVED OBJECTS (AA BATTERIES) FOR THE EGD. TWO SNARES [ ACUSNARE POLYPECTOMY SNARE SOFT (SASM-1-S) AND ACUSNARE POLYPECTOMY SNARE (ASMH-1)] WERE ATTEMPTED WITH THE SAME OUTCOME AND TO FINISH THE PROCEDURE THE PHYSICIAN USED A ROTHNET SNARE WITH NO FURTHER COMPLICATIONS. THE FOLLOWING WAS RECEIVED ON 24-JUN-2020: BECAUSE THEY WERE USING THEM OFF-LABEL BY RETRIEVING FOREIGN BODIES, AS THEY WOULD TIGHTEN DOWN ON OBJECT TO GRASP AND RETRIEVE IT, THE SNARE WOULD TIGHTEN DOWN ON THE OBJECT BUT THEY COULD NOT GET GOOD PURCHASE [GRIP] SO THEY WOULD TIGHTEN MORE AND AS THEY CONTINUED TO CLOSE DOWN THE SNARE WIRE ON THE OBJECT SO AS NOT TO LOSE IT, THEY COULD DRAW BACK ON THE HANDLE BUT THE SNARE WOULDN¿T TIGHTEN BECAUSE THE SHEATH MATERIAL WAS BUCKLING JUST DISTAL TO THE HANDLE. 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. ACCORDI

  Patient problems: No Consequences Or Impact To Patient

  MAUDE report 10215691 ↗
• MalfunctionJun 30, 2020Off-Label Use; Off-Label Use

  DURING AN ESOPHAGOGASTRODUODENOSCOPY (EGD), THE PHYSICIAN USED AN ACUSNARE POLYPECTOMY SNARE SOFT (SASM-1-S) ON A PATIENT OF UNKNOWN AGE AND GENDER ON (B)(6) 2020. THE DEVICE WAS COILING BY THE HANDLE SO [THE USER] WAS UNABLE TO GET A TIGHT SQUEEZE WHEN [THE USER] RETRIEVED WRITING PEN OBJECTS FOR EGD. TWO SNARES [ ACUSNARE POLYPECTOMY SNARE SOFT (SASM-1-S) AND ACUSNARE POLYPECTOMY SNARE (ASMH-1)] WERE ATTEMPTED WITH THE SAME OUTCOME AND TO FINISH THE PROCEDURE THE PHYSICIAN USED A ROTHNET SNARE WITH NO FURTHER COMPLICATIONS. THE FOLLOWING WAS RECEIVED ON 24-JUN-2020: BECAUSE THEY WERE USING THEM OFF-LABEL BY RETRIEVING FOREIGN BODIES, AS THEY WOULD TIGHTEN DOWN ON OBJECT TO GRASP AND RETRIEVE IT, THE SNARE WOULD TIGHTEN DOWN ON THE OBJECT BUT THEY COULD NOT GET GOOD PURCHASE [GRIP] SO THEY WOULD TIGHTEN MORE AND AS THEY CONTINUED TO CLOSE DOWN THE SNARE WIRE ON THE OBJECT SO AS NOT TO LOSE IT, THEY COULD DRAW BACK ON THE HANDLE BUT THE SNARE WOULDN¿T TIGHTEN BECAUSE THE SHEATH MATERIAL WAS BUCKLING JUST DISTAL TO THE HANDLE. 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 T

  Patient problems: No Consequences Or Impact To Patient

  MAUDE report 10215690 ↗
• MalfunctionMar 17, 2020Failure to Cut; Failure to Cut

  DURING AN ENDOSCOPIC PROCEDURE, THE PHYSICIAN USED A COOK ACUSNARE POLYPECTOMY SNARE. THE OUTER SHEATH BUCKLED NOT ALLOWING THEM TO CLOSE THE END SNUGLY, IT REQUIRED INCREASED HEAT BUT NOT ADEQUATE RESULT [DEVICE DOES NOT REMOVE POLYP AS INTENDED]. CLARIFICATION WAS RECEIVED ON 05-MARCH-2020 INDICATING THAT THE CLIPS WERE PLACED AS A PREVENTATIVE MEASURE AND NOT INTERVENTION TO PRECLUDE A SERIOUS INJURY. 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. CLIPS WERE PLACED AS A PREVENTATIVE MEASURE. ACCORDING TO THE INITIAL REPORTER, THE PATIENT DID NOT EXPERIENCE ANY ADVERSE EFFECTS DUE TO THIS OCCURRENCE.

  Patient problems: No Consequences Or Impact To Patient

  MAUDE report 9842708 ↗
• MalfunctionMar 19, 2018Off-Label Use; Retraction Problem; Improper or Incorrect Procedure or Method; Off-Label Use; Retraction Problem; Improper or Incorrect Procedure or Method

  DURING A COLONOSCOPY, THE PHYSICIAN USED FOUR (4) COOK ACUSNARE POLYPECTOMY SNARES. WHILE TRYING TO OPEN AND SNARE THE POLYP, THE SNARE WAS NOT COMING OUT [OF THE SHEATH]. THE PHYSICIAN STATED THERE WAS DIFFICULTY WITH THE HANDLE. WHEN THE PHYSICIAN TRIED TO RE-SNARE, THE SNARE DID NOT WANT TO COME BACK IN [DIFFICULT RETRACTION]. THE ACTION OF THE SNARE HANDLE WAS VERY DIFFICULT AS NOT SMOOTH AND RESULTED IN NOT CUTTING THE POLYP. THE PHYSICIAN FINISHED THE PROCEDURE WITH A BIOPSY FORCEP. THERE WAS NO HARM TO THE PATIENT. ADDITIONAL INFORMATION WAS RECEIVED ON 03/07/2018: THE SNARE WAS HARD TO OPEN DURING A POLYPECTOMY. WHEN IT DID COME OUT OF THE CATHETER IT WAS HARD TO CLOSE ON THE POLYP. RESISTANCE WAS FELT WHEN OPENING AND CLOSING [THE SNARE]. IT HAPPENED ON SEVERAL SNARES AFTER THE ONE USED WITH THE SAME LOT NUMBER. ADDITIONAL INFORMATION WAS RECEIVED ON 03/16/2018: THERE WAS NO ELECTROSURGICAL GENERATORS USED. IT WAS USED TO COLD SNARE [COOK ENDOSCOPY DOES NOT MANUFACTURE A COLD SNARE, THIS IS THEREFORE OFF-LABEL USE.

  Patient problems: No Consequences Or Impact To Patient

  MAUDE report 7350826 ↗