inforMED
MalfunctionMQR

EVOLUTION® COLONIC CONTROLLED-RELEASE STENT - UNCOVERED

Received Jun 10, 2026 · Event occurred May 13, 2026

Report 3001845648-2026-00225 · MDR key 25462114

Device

Generic name

Mqr - Stent, Colonic, Metallic, Expandable

Manufacturer

Cook Ireland Ltd

Model number

G48028

Catalog number

EVO-25-30-8-C

Lot number

C2367985

Product problems

  • Activation Failure

Patient

63 YR · Female

  • No Clinical Signs, Symptoms or Conditions

Narrative

Description of Event or Problem

THE STENT DELIVERY SYSTEM PASSED THROUGH THE ENDOSCOPIC WORKING CHANNEL AND REACHED THE LOCATION OF THE OBSTRUCTION IN THE SIGMOID COLON. USER ADVANCED SYSTEM THE STENOSIS AND RELEASED THE STENT. HOWEVER, IT WAS FOUND THAT THE STENT COULD NOT BE RELEASED. THE SAFETY WIRE WAS REMOVED, BUT THE STENT STILL COULD NOT BE RELEASED. SUBSEQUENTLY, IT WAS WITHDRAWN FROM THE BODY AND REPLACED WITH A NEW ONE TO SUCCESSFULLY COMPLETE THE PROCEDURE.

Additional Manufacturer Narrative

D9. DEVICE RECEIVED BUT REMAINS UNDER INVESTIGATION. INVESTIGATION IS STILL PENDING, A FOLLOW UP MDR WILL BE SUBMITTED TO INCLUDE THE INVESTIGATION CONCLUSIONS.