Embolization coils are used to block blood flow into an aneurysm or for other reasons such as varicose veins or to prevent pain. Embolization coils are manufactured by Cook Medical and Boston Scientific, among others.

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Though Embolization Coils have helped many people, they have allegedly caused dangerous complications in some cases.

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These cases include:

• Migration of coils

• Perforation of nerves/vessels/organs

• Removal of coils

• Toxicity

• Foreign body reactions (hair loss, rashes, etc)

• Constant Pain

• Hematomas

• Hemorrhage

• Infection necessitating medical intervention

• Emboli

• Ischemia

• Tissue necrosis

• Death