n.a. 27040EBRecalls & reported problems
Karl Storz GmbH & Co. KG · Working Element, bipolar · Class 2
- Adverse event reports
- 15
- Deaths reported
- 0
- Injuries reported
- 9
- Recalls naming it
- 0
Summary
The FDA's MAUDE database contains 15 adverse event reports that list this exact device (DI 04048551075623), received between Dec 18, 2018 and May 8, 2026 — classified as 9 injuries, 6 malfunctions.
The most frequently reported specific device problem is “Excessive Heating” (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. How this data works · Data updated Oct 13, 2026.
Reports received per month
Most reported problems
Device problems
- Excessive Heating4
- Activation Failure2
- Smoking2
- Temperature Problem2
- Unintended Electrical Shock2
- Adverse Event Without Identified Device or Use Problem1
- Electrical Overstress1
- Insufficient Device Problem Information1
Patient problems
- No Clinical Signs, Symptoms or Conditions5
- Burn(s)3
- Insufficient Information2
- Superficial (First Degree) Burn2
- Burn, Thermal1
- Internal Organ Perforation1
- Patient Problem/Medical Problem1
Recent adverse event reports
The 15 most recent of 15 reports, in the reporter's own words as published by the FDA.
MalfunctionMay 8, 2026Sparking
THE EVENT OCCURRED IN BRAZIL. IT WAS REPORTED THAT DURING THE PROSTATE RESECTION SURGERY. THE DOCTOR REPORTED THAT THERE WAS A SPARK COMING FROM THE HANDPIECE, BIPOLAR WORKING ELEMENT. THE HANDPIECE WAS REPLACED IMMEDIATELY, AND THE SURGEON CONTINUED THE PROCEDURE. NO NEGATIVE IMPACT IN STATE OF HEALTH REPORTED. CROSS REFERENCE MDR: 9610617-2026-1060.
Patient problems: No Clinical Signs, Symptoms or Conditions
MAUDE report 25129403 ↗MalfunctionFeb 6, 2026Smoking
IT WAS REPORTED THAT "AFTER ACTIVATING THE HF ENERGY, SMOKE DEVELOPED AT THE CONNECTION BETWEEN THE 27040EB AND THE HF CABLE.". NO NEGATIVE IMPACT IN STATE OF HEALTH REPORTED.
Patient problems: No Clinical Signs, Symptoms or Conditions
MAUDE report 24283327 ↗MalfunctionJan 26, 2026Smoking
IT WAS REPORTED THAT BIPOLAR CORD STARED SMOKING AT WORKING ELEMENT CONNECTION SITE. IT WAS CONFIRMED THAT THE SURGEON WAS ABLE TO COMPLETE THE PROCEDURE WITH A NEW WORKING ELEMENT AND CORD, WITH A 10 MINUTE DELAY. NO NEGATIVE IMPACT IN STATE OF HEALTH REPORTED. CROSS REFERENCE: (B)(4).
Patient problems: No Clinical Signs, Symptoms or Conditions
MAUDE report 24179809 ↗InjuryDec 3, 2025Unintended Electrical Shock; Unintended Electrical Shock
IT WAS REPORTED THAT "RESIDENT WAS SHOCKED USING BIPOLAR LOOP". CROSS REFERENCE MDRS: 9610617-2025-02199. 9610617-2025-02201. 9610617-2025-02202.
Patient problems: No Clinical Signs, Symptoms or Conditions
MAUDE report 23712383 ↗InjuryDec 3, 2025Unintended Electrical Shock; Unintended Electrical Shock
IT WAS REPORTED THAT "RESIDENT WAS SHOCKED USING BIPOLAR LOOP". CROSS REFERENCE MDRS: 9610617-2025-02199. 9610617-2025-02201. 9610617-2025-02202.
Patient problems: No Clinical Signs, Symptoms or Conditions
MAUDE report 23712382 ↗InjuryJan 23, 2025Excessive Heating; Excessive Heating
IT WAS REPORTED THAT THE CUTTING LOOP EXPLODED DURING A CASE. ACCORDING TO THE INFORMATION RECEIVED, THE CONSEQUENCE OF THE EXPLOSION IS THAT THE BLADDER WAS CHARRED. THE SURGEON WAS NOT CONCERNED ABOUT ANY LONG-TERM HARM TO THE PATIENT. CROSS REFERENCE MDR: 9610617-2025-00048, 9610617-2025-00049, 9610617-2025-00050, 9610617-2025-00051, 9610617-2025-00052, 9610617-2025-00054.
Patient problems: Burn(s)
MAUDE report 21222445 ↗InjuryJan 23, 2025Loss of or Failure to Bond; Excessive Heating; Loss of or Failure to Bond; Excessive Heating
IT WAS REPORTED THAT THE CUTTING LOOP EXPLODED DURING A CASE. ACCORDING TO THE INFORMATION RECEIVED, THE CONSEQUENCE OF THE EXPLOSION IS THAT THE BLADDER WAS CHARRED. THE SURGEON WAS NOT CONCERNED ABOUT ANY LONG-TERM HARM TO THE PATIENT.CROSS REFERENCE MDR:9610617-2025-00048,9610617-2025-00049,9610617-2025-00050,9610617-2025-00051,9610617-2025-00052,9610617-2025-00054.
Patient problems: Burn(s)
MAUDE report 21222413 ↗InjurySep 11, 2024Activation Failure; Activation Failure
IT WAS REPORTED THAT THE INSTRUMENT DOES NOT WORK CORRECTLY, IT DOES NOT CUT, THE WORKING ELEMENT HEATS UP, THE HANDLES OF CONSUMABLES ARE DAMAGED, IT HAS ALREADY CAUSED HARM TO A PATIENT. ADVERSE CONSEQUENCES FOR THE PATIENT: URETHRAL INJURY, DIAGNOSIS FROM CYSTOSCOPY, URETHRAL INJURY WITH TEARING AND BLEEDING. THE PATIENT IS OUT OF THE HOSPITAL AND IS UNDER OBSERVATION. THE PATIENT WAS GIVEN AN APPOINTMENT IN A MONTH TO PERFORM A CYSTOSCOPY AND CHECK THE PATIENT'S PROGRESS. CROSS REFERENCE IS COVERED UNDER MEDWATCH: 9610617-2024-00310.
Patient problems: Insufficient Information
MAUDE report 20192257 ↗InjurySep 11, 2024Excessive Heating; Excessive Heating
IT WAS REPORTED THAT THE INSTRUMENT DOES NOT WORK CORRECTLY, IT DOES NOT CUT, THE WORKING ELEMENT HEATS UP, THE HANDLES OF CONSUMABLES ARE DAMAGED, ADVERSE CONSEQUENCES USER: THE DOCTOR SUFFERED A BURN FROM THE WORKING ELEMENT. CURRENTLY THE DOCTOR NO LONGER HAS ANY INJURIES AND IS DOING. IT HAS ALREADY CAUSED HARM TO A PATIENT HARM TO PATIENT IS COVERED UNDER MEDWATCH 9610617-2024-00309.
Patient problems: Superficial (First Degree) Burn
MAUDE report 20192223 ↗InjurySep 11, 2024Temperature Problem; Excessive Heating; Temperature Problem; Excessive Heating
IT WAS REPORTED THAT THE INSTRUMENT DOES NOT WORK CORRECTLY, IT DOES NOT CUT, THE WORKING ELEMENT HEATS UP, THE HANDLES OF CONSUMABLES ARE DAMAGED, ADVERSE CONSEQUENCES USER: THE DOCTOR SUFFERED A BURN FROM THE WORKING ELEMENT. CURRENTLY THE DOCTOR NO LONGER HAS ANY INJURIES AND IS DOING. IT HAS ALREADY CAUSED HARM TO A PATIENT HARM TO PATIENT IS COVERED UNDER MEDWATCH 9610617-2024-00309.
Patient problems: Superficial (First Degree) Burn
MAUDE report 20191999 ↗InjurySep 11, 2024Temperature Problem; Activation Failure; Temperature Problem; Activation Failure
IT WAS REPORTED THAT THE INSTRUMENT DOES NOT WORK CORRECTLY, IT DOES NOT CUT, THE WORKING ELEMENT HEATS UP, THE HANDLES OF CONSUMABLES ARE DAMAGED, IT HAS ALREADY CAUSED HARM TO A PATIENT. ADVERSE CONSEQUENCES FOR THE PATIENT: URETHRAL INJURY, DIAGNOSIS FROM CYSTOSCOPY, URETHRAL INJURY WITH TEARING AND BLEEDING. THE PATIENT IS OUT OF THE HOSPITAL AND IS UNDER OBSERVATION. THE PATIENT WAS GIVEN AN APPOINTMENT IN A MONTH TO PERFORM A CYSTOSCOPY AND CHECK THE PATIENT'S PROGRESS. CROSS REFERENCE IS COVERED UNDER MEDWATCH: 9610617-2024-00310.
Patient problems: Insufficient Information
MAUDE report 20191880 ↗MalfunctionSep 26, 2019Electrical Overstress; Electrical Overstress
ALLEGEDLY PER THE CUSTOMER, DURING A TURBT THE DOCTOR WAS ATTEMPTING TO "CUT" INTERMITTINGLY AND THE TISSUE COAGULATED AND FUSED THE URETERAL ORIFICE. A URETAL STENT WAS PLACED IN THE ORIFICE AND THE PROCEDURE WAS COMPLETED. POST OPERATIVELY THE PATIENT IS DOING FINE PER NURSE.
Patient problems: Burn(s)
MAUDE report 9122747 ↗MalfunctionSep 6, 2019Adverse Event Without Identified Device or Use Problem; Adverse Event Without Identified Device or Use Problem
ALLEGEDLY, DURING A BLADDER RESECTION TO CAUTERIZE A BLEEDING URETHRA, AN ERUPTION OCCURRED INSIDE THE PATIENT'S BLADDER WHICH CAUSED A PERFORATION OF THE BLADDER.
Patient problems: Internal Organ Perforation
MAUDE report 8972198 ↗MalfunctionMar 29, 2019Mechanical Problem; Mechanical Problem
ALLEGEDLY, DURING A TRANS-URETHRAL RESECTION OF THE PROSTATE, FORTY MINUTES INTO THE OF SURGERY, THE PATIENT'S OBTURATOR NERVE WAS STIMULATED DURING THE PROSTATE RESECTION; AS A RESULT, THE PROSTATE CAPSULE WAS PERFORATED AND THERE WAS BLEEDING. THE SURGEON FELT HEAT AT THE HANDLE AND COULD SEE SMOKE, THEREFORE, HE STOPPED THE SURGERY. HE CHANGED INSTRUMENTS FOR A MONOPOLAR RESECTOSCOPE TO CONTROL THE BLEEDING. THE PATIENT WAS HOSPITALIZED OVERNIGHT. THE PATIENT WILL NEED A SECOND SURGERY TO COMPLETE THE RESECTION.
Patient problems: Patient Problem/Medical Problem
MAUDE report 8464984 ↗InjuryDec 18, 2018Insufficient Device Problem Information; Insufficient Device Problem Information
WE WERE SERVED WITH A LEGAL DOCUMENT, RESPONDENTS IN DISCOVERY, FOR A LAWSUIT AGAINST TWO FACILITIES. THE COMPLAINT INDICATED THE PATIENT UNDERWENT A CYSTOSCOPY WITH URETHRAL DILATION, TRANSURETHRAL RESECTION/ABLATION OF PROSTATE WITH "BUTTON TYPE BIPOLAR PROSTATE RESECTOR" AND ALLEGEDLY SUFFERED THERMAL INJURY TO HIS BLADDER AND URETHRA.
Patient problems: Burn, Thermal
MAUDE report 8177027 ↗
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Sources: FDA GUDID, MAUDE and Medical Device Recalls via openFDA. openFDA data is not validated for clinical or regulatory use.