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KNSClass 2

Unit, Electrosurgical, Endoscopic (With Or Without Accessories)

FDA adverse event reports and recall history for unit, electrosurgical, endoscopic (with or without accessories) (product code KNS), from the public MAUDE/AEMS corpus and the live FDA recall database.

Total reports
17,263
Deaths
79
Injuries
3,609
Malfunctions
13,388

Reports per year

12
13
14
15
16
17
18
19
20
21
22
23
24
25
26

Source: FDA adverse event reports by year received, 20122026. Reporting paused during the 2026 MAUDE-to-AEMS transition and has since resumed.

Recent recalls

  • 2026-02-13Open, ClassifiedUnder Investigation by firm

    Teslatome Bipolar Sphincterotomes REF: TESLA-B2535-260 Model Number: G60784 UDI-DI code: 00827002607842 REF: TESLA-B2535-450 Model Number: G60785 UDI-DI code: 00827002607859 These devices are used for cannulation of the ductal system and for sphincterotomy. If preloaded, the device also aids in bridging difficult strictures during ERCP. It is indicated for sphincterotome-aided, wire-guided selective cannulation of the biliary ducts.

    Due to product that may contain a void in the material that separates the wire guide and cutting wire lumens, which may cause an inappropriate path of current during cutting.

  • 2026-02-05Open, ClassifiedProcess control

    AXIOS Stent and Electrocautery-Enhanced Delivery System - 20mm x 10mm; Material Number (UPN): M00553660;

    Increased reports of stent deployment and expansion issues. The most common outcome reasonably foreseeable resulting from difficulty deploying the stent is prolongation of the procedure to exchange the device for a new one. The most serious reasonably foreseeable outcome in cases where the first flange is unable to deploy or expand would be a cascade of events resulting in additional intervention, either endoscopic or surgical, to remove the stent and close the puncture site.

  • 2026-02-05Open, ClassifiedProcess control

    AXIOS Stent and Electrocautery-Enhanced Delivery System - 6mm x 8mm; Material Number (UPN): M00553680;

    Increased reports of stent deployment and expansion issues. The most common outcome reasonably foreseeable resulting from difficulty deploying the stent is prolongation of the procedure to exchange the device for a new one. The most serious reasonably foreseeable outcome in cases where the first flange is unable to deploy or expand would be a cascade of events resulting in additional intervention, either endoscopic or surgical, to remove the stent and close the puncture site.

  • 2026-02-05Open, ClassifiedProcess control

    AXIOS Stent and Electrocautery-Enhanced Delivery System - 8mm x 8mm; Material Number (UPN): M00553690;

    Increased reports of stent deployment and expansion issues. The most common outcome reasonably foreseeable resulting from difficulty deploying the stent is prolongation of the procedure to exchange the device for a new one. The most serious reasonably foreseeable outcome in cases where the first flange is unable to deploy or expand would be a cascade of events resulting in additional intervention, either endoscopic or surgical, to remove the stent and close the puncture site.

  • 2026-02-05Open, ClassifiedProcess control

    HOT AXIOS Stent and Electrocautery-Enhanced Delivery System 6mm x 8mm; Material Number (UPN): M00553520;

    Increased reports of stent deployment and expansion issues. The most common outcome reasonably foreseeable resulting from difficulty deploying the stent is prolongation of the procedure to exchange the device for a new one. The most serious reasonably foreseeable outcome in cases where the first flange is unable to deploy or expand would be a cascade of events resulting in additional intervention, either endoscopic or surgical, to remove the stent and close the puncture site.

  • 2026-02-05Open, ClassifiedProcess control

    *HOT AXIOS Stent and Electrocautery-Enhanced Delivery System 8mm x 8mm; Material Number (UPN): M00553530;

    Increased reports of stent deployment and expansion issues. The most common outcome reasonably foreseeable resulting from difficulty deploying the stent is prolongation of the procedure to exchange the device for a new one. The most serious reasonably foreseeable outcome in cases where the first flange is unable to deploy or expand would be a cascade of events resulting in additional intervention, either endoscopic or surgical, to remove the stent and close the puncture site.

  • 2026-02-05Open, ClassifiedProcess control

    *HOT AXIOS Stent and Electrocautery-Enhanced Delivery System 20mm x 10mm; Material Number (UPN): M00553560;

    Increased reports of stent deployment and expansion issues. The most common outcome reasonably foreseeable resulting from difficulty deploying the stent is prolongation of the procedure to exchange the device for a new one. The most serious reasonably foreseeable outcome in cases where the first flange is unable to deploy or expand would be a cascade of events resulting in additional intervention, either endoscopic or surgical, to remove the stent and close the puncture site.

  • 2026-02-05Open, ClassifiedProcess control

    Brand Name: CleverCut Product Name: Single Use 3-Lumen Sphincterotome V Model/Catalog Number: KD-V411M-0320; Software Version: N/A Product Description: These instruments have been designed to be used with an Olympus endoscope and guidewire for papillotomy using high-frequency current.

    Devices which did not undergo thermoforming could deform and lose performance.

  • 2026-02-05Open, ClassifiedProcess control

    Product Name: Single Use Sphincterotome V (Distal Wire guided) Model/Catalog Number: KD-VC431Q-0720 Product Description: These instruments have been designed to be used with an Olympus endoscope and guidewire for papillotomy using high-frequency current.

    Devices which did not undergo thermoforming could deform and lose performance.

  • 2026-02-05Open, ClassifiedProcess control

    Product Name: Disposable Triple Lumen Sphincterotome Model/Catalog Number: KD-431Q-0720 Product Description: These instruments have been designed to be used with an Olympus endoscope and guidewire for papillotomy using high-frequency current.

    Devices which did not undergo thermoforming could deform and lose performance.

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