FDA Adverse Event Injury Summary report: N

ARTIX MT THROMBECTOMY DEVICE, 4-8MM, 130CM

MDR report key: 23610644 · Received November 20, 2025

Report

Report Number
3020347218-2025-00080
Event Type
Injury
Date Received
November 20, 2025
Date of Event
October 23, 2025
Report Date
February 25, 2026
Manufacturer
INARI MEDICAL, INC.
Product Code
QEW
UDI-DI
00810123710591
PMA / PMN Number
K241894
Adverse Event
Yes
Product Problem
Yes
Report Source
Manufacturer report
Reporter Location
KY, US
Reporter Occupation
PHYSICIAN
Health Professional
Yes

Narratives

Additional Manufacturer Narrative · 0

THE DEVICE HAS BEEN RETURNED TO THE MANUFACTURER FOR EVALUATION. UPON COMPLETION OF THE INVESTIGATION, A FOLLOW-UP REPORT WILL BE SUBMITTED. MANUFACTURER REFERENCE NUMBER: (B)(4)

Additional Manufacturer Narrative · 0

THE ARTIX MT THROMBECTOMY DEVICE (ARTIX MT8) WAS RETURNED TO THE MANUFACTURER AND EVALUATED. THE DEVICE WAS ALSO RETURNED WITH AN ARTIX MT THROMBECTOMY DEVICE (ARTIX MT6), AN ARTIX THIN-WALLED SHEATH (ARTIX SHEATH) AND ARTIX FUNNEL CATHETER (FUNNEL CATHETER). A CLEAR PLASTIC BUNDLE WAS ALSO RETURNED WITH THE DEVICES. VISUAL INSPECTION OF THE MT8 REVEALED FRACTURED STENT STRUTS ENTANGLED IN THE CORING ELEMENT. ADDITIONALLY, THE CORING ELEMENT WAS DISTORTED AND THE CORING ELEMENT BAG STRUTS WERE FULLY INTACT, CONFIRMED VIA MICROSCOPIC INSPECTION. THE RADIOPAQUE TIP OF THE DEVICE WAS NOT RETURNED FOR INSPECTION. VISUAL INSPECTION OF THE MT6 REVEALED FRACTURED STENT STRUTS ENTANGLED IN THE CORING ELEMENT. NO OTHER DAMAGE OR DEFECTS WERE OBSERVED. NO EXTERNAL DAMAGE OR DEFECTS WERE OBSERVED ON THE FUNNEL CATHETER OR SHEATH. THE DEVICES WERE EXAMINED UNDER BORESCOPE AND THE FUNNEL CATHETER EXHIBITED SHEARING OF THE INNER LINER. NO LINER SHAFT WALL DAMAGE WAS OBSERVED FOR THE OTHER DEVICES. THE MOST PROBABLE ROOT CAUSE FOR THE REPORTED STENT INTERACTION WAS LIKELY THE RESULT OF TRACKING THE GUIDEWIRE THROUGH A WALL OF A STENT, LEADING TO THE MT8 INTERACTING WITH A PROTRUDING EDGE OF THE PATIENT'S STENT. THIS INTERACTION LIKELY CREATED RESISTANCE WHEN ATTEMPTING TO REMOVE THE DEVICE AS EVIDENCED BY THE DISTORTED BAG AND SEPARATED RADIOPAQUE TIP. THE MT6 WAS LIKELY PASSED AFTER THE MT8 AND COLLECTED THE BROKEN STENT STRUTS. THE SHARP EDGES OF THE STENT STRUTS LIKELY SCRAPPED THE INNER FUNNEL CATHETER SHAFT, LEADING TO THE OBSERVED LINER DELAMINATION (CLEAR PLASTIC BUNDLE THAT WAS RETURNED AND INNER LINER SHEARING ON THE FUNNEL CATHETER). THE DEVICE IDENTIFIERS WERE PROVIDED, AND THE LOT HISTORY RECORDS WERE REVIEWED. THERE WERE NO DISCREPANCIES OR UNUSUAL FINDINGS. ADDITIONALLY, A COMPLAINT HISTORY REVIEW WAS CONDUCTED AND NO SIMILAR ISSUES HAVE BEEN REPORTED AGAINST THIS LOT NUMBER. THE DEVICE LABELING INCLUDES THE FOLLOWING WARNINGS: ¿AVOID USING EXCESSIVE FORCE TO ADVANCE OR RETRACT AGAINST RESISTANCE. IF EXCESSIVE RESISTANCE OCCURS, RETRACT, AND COLLAPSE THE SELF-EXPANDING ELEMENT INTO THE CATHETER AND REMOVE THE DEVICE. EXCESSIVE FORCE AGAINST RESISTANCE MAY RESULT IN DAMAGE TO THE DEVICE OR VESSEL PERFORATION.¿ ¿NEVER ADVANCE OR TORQUE THE ARTIX MT AGAINST RESISTANCE WITHOUT CAREFUL ASSESSMENT OF CAUSE OF RESISTANCE USING FLUOROSCOPY.¿ THE DEVICE LABELING WARNS USERS TO ¿USE CAUTION WHEN MANIPULATING OR ADVANCING THROUGH A STENT OR GRAFT.¿ MANUFACTURER REFERENCE NUMBER: (B)(4).

Description of Event or Problem · 0

ON (B)(6) 2025, A PATIENT UNDERWENT ARTERIAL THROMBECTOMY USING INARI DEVICES. THE PATIENT HAD PREEXISTING, OVERLAPPING STENTS IN THEIR RIGHT SUPERFICIAL FEMORAL ARTERY, EXTENDING TO THEIR POPLITEAL ARTERY, THAT WERE PLACED THREE YEARS PRIOR. THE PATIENT'S CLOT AGE WAS ESTIMATED AT FIVE DAYS. DURING THE THROMBECTOMY, THE ARTIX MT THROMBECTOMY DEVICE (ARTIX MT8) CAUGHT ON THE DISTAL END OF THE PATIENT'S PREEXISTING STENT AND DISPLACED THE STENT 3-4 CENTIMETERS. THE ARTIX MT8 WAS REMOVED WITHOUT ISSUES AND THE PHYSICIAN RE-LINED THE PATIENT'S STENT WITH A COVERED STENT.

Description of Event or Problem · 0

ON (B)(6) 2025, A PATIENT UNDERWENT ARTERIAL THROMBECTOMY USING INARI DEVICES. THE PATIENT HAD PREEXISTING, OVERLAPPING STENTS IN THEIR RIGHT SUPERFICIAL FEMORAL ARTERY, EXTENDING TO THEIR POPLITEAL ARTERY, THAT WERE PLACED THREE YEARS PRIOR. THE PATIENT'S CLOT AGE WAS ESTIMATED AT FIVE DAYS. DURING THE THROMBECTOMY, THE ARTIX MT THROMBECTOMY DEVICE (ARTIX MT8) CAUGHT ON THE DISTAL END OF THE PATIENT'S PREEXISTING STENT AND DISPLACED THE STENT 3-4 CENTIMETERS. THE ARTIX MT8 WAS REMOVED WITHOUT ISSUES AND THE PHYSICIAN RE-LINED THE PATIENT'S STENT WITH A COVERED STENT.

Devices

Seq Brand Generic Product Code Manufacturer Model Lot UDI-DI
131536 ARTIX MT THROMBECTOMY DEVICE, 4-8MM, 130CM PERIPHERAL MECHANICAL THROMBECTOMY WITH ASPIRATION QEW INARI MEDICAL, INC. 32-103 25070152 00810123710591

Patients

Seq Age Sex Outcome Treatment
1 NA Unknown Other