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US Device Guide / Embolic Particles/Beads

Company Name Product Name Composition Type Sizes (µm) Color Coding US FDA Indicated Use
Boston Scientific Corporation Bead Block Biocompatible polyvinyl alcohol hydrogel Spherical shape 100–300, 300–500, 500–700, 700–900, 900–1200 Prefilled syringes are color coded by particle size Embolization of hypervascular tumors, including uterine fibroids and arteriovenous malformations (AVMs)
Merit Medical Systems, Inc. Bearing nsPVA Embolization Particles PVA particles Irregularly shaped particles 45–150, 150–250, 250–355, 355–500, 500–710, 710–1,000, 1,000–1,180 Labels are color-coded by particle size Indicated for the embolization of AVMs and hypervascular tumors, including symptomatic uterine fibroids
Boston Scientific Corporation Contour Embolization Particles PVA particles Irregularly shaped flakes 45–150, 150–250, 250–355, 355–500, 500–710, 710–1,000, 1,000–1,180 Labels are color-coded by particle size Embolization of peripheral hepatic vascular tumors, including leiomyoma, uteri, and peripheral AVMs
Merit Medical Systems, Inc. EmboCube Embolization Gelatin Resorbable porcine gelatin Gelatin foam 2.5 and 5 mm diameters Labels are color-coded by cube size Indicated for use in embolization of hypervascular tumors
Merit Medical Systems, Inc. EmboGold Microspheres Trisacryl with gelatin Colored spherical embolic microspheres 40–120, 100–300, 300–500, 500–700, 700–900, 900–1,200 Labels are color-coded by microsphere size Indicated for the embolization of hypervascular tumors and AVMs
Merit Medical Systems, Inc. Embosphere Microspheres Trisacryl with gelatin Spherical embolic microspheres 50-100, 40–120, 100–300, 300–500, 500–700, 700–900, 900–1,200 Labels are color-coded by microsphere size Indicated for use in the embolization of hypervascular tumors including symptomatic uterine fibroids, arteriovenous malformations, prostatic arteries for symptomatic benign prostatic hyperplasia, and blood vessels to occlude blood flow to control bleeding/hemorrhaging in the peripheral vasculature
Merit Medical Systems, Inc. EmbospherePRO Prostatic Artery Embolization Kit Trisacryl with gelatin Spherical embolic microsphere 100–300, 300–500 Labels are color-coded by microsphere size Indicated for use in the embolization of prostatic arteries for symptomatic benign prostatic hyperplasia
Varian Medical Systems Embozene Microspheres Hydrogel microspheres with Polyzene-F coating Precisely calibrated spherical microspheres Wide range of sizes offered in 2 mL syringes: 40, 75, 100, 250, 400, 500, 700, 900, 1100, 1300 Labels, boxes, and microspheres themselves are color-coded by microsphere size Embolization of arteriovenous malformations, hypervascular tumors including uterine fibroids and hepatoma, and prostatic arteries for symptomatic benign prostatic hyperplasia
Terumo Interventional Systems HydroPearl Microspheres Polyethylene glycol (PEG) Bland microspheres 75 ± 30; 200 ± 75; 400 ± 75; 600 ± 75; 800 ± 75; 1,100 ± 75 Labels and microspheres are color-coded by microsphere size Intended for embolization of arteriovenous malformations and hypervascular tumors, including uterine fibroids
Boston Scientific Corporation LC Bead Biocompatible, sulphonate-modified, N-Fil hydrogel Spherical shape 70–150, 100–300, 300–500, 500–700 Vial labels are color coded by particle size Embolization of hypervascular tumors and arteriovenous malformations (AVMs)
Boston Scientific Corporation LC Bead LUMI Biocompatible polyvinyl alcohol hydrogel beads containing a covalently bound radiopaque moiety Spherical shape 40–90, 70–150 Vial labels are color coded by particle size. Embolization of hypervascular tumors and arteriovenous malformations (AVMs)
Boston Scientific Corporation LC Bead M1 Biocompatible, sulphonate-modified, N-Fil hydrogel Spherical shape 70–150, 100–300, 300–500, 500–700 Vial labels are color coded by particle size Embolization of hypervascular tumors and arteriovenous malformations (AVMs)
Varian Medical Systems Oncozene Microspheres Hydrogel microspheres with Polyzene-F coating Precisely calibrated spherical microspheres 3 sizes in 2 or 3 mL syringes: 40, 75, 100 Labels and boxes are color-coded by microsphere size Embolization of arteriovenous malformations and hypervascular tumors including hepatoma
Cook Medical PVA Foam Embolization Particles PVA particles Irregularly shaped particles 90–180, 180–300, 300–500, 500–710, 710–1,000 Vial labels and tops are color-coded by particle size Embolization of the blood supply to hypervascular tumors and AVMs, including use in intracranial embolization
Merit Medical Systems, Inc. QuadraSphere Microspheres Sodium acrylate alcohol copolymer Spherical embolic microspheres 20–40 (80–160 reconstituted), 30–60 (120–240 reconstituted), 50–100 (200–400 reconstituted), 100–150 (400–600 reconstituted), 150–200 (600–800 reconstituted) Labels are color-coded by particle size Indicated for the embolization of hypervascular tumors, including hepatoma, and peripheral AVMs
Boston Scientific Corporation TheraSphere Glass microspheres embedded with yttrium-90 Spherical, uniform shape 20–30 Indicated for use in radiation treatment or as a neoadjuvant to surgery or transplantation in patients with unresectable hepatocellular carcinoma (HCC) who can have placement of appropriately positioned hepatic arterial catheters; also indicated for HCC patients with partial or branch portal vein thrombosis/occlusion, when clinical evaluation warrants the treatment; contraindicated for the treatment of unresectable HCC with main occlusion of the portal vein (main PVT); it is approved under a humanitarian device exemption (which are based on demonstrated safety and probable benefit), however, the effectiveness of this device for this use has not been demonstrated

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