Role of stenting in gastrointestinal benign and malignant diseases

Table 1 Characteristics of the most commonly used esophageal stents

Producer	Model	Material	Diameter mm (body/flare)	Length (cm)	Type and characteristics
Merit Endotek	Alimaxx-E®	Nitinol	18/22	7-10-12	Fully-covered with anti-migration system
Merit Endotek	EndoMAXX®	Nitinol	19/24-23/28	7-10-12-15	Fully-covered with anti-migration system
Boston Scientific	Ultraflex®	Nitinol	18/23-23/28	10-12-15	Uncovered and partially-covered Possibility of distal or proximal release
Boston Scientific	Flamingo Wallstent®	Stainless steel	20/30	12-14	Partially-covered
Boston Scientific	Wallflex®	Nitinol	18/23-23/28	10-12-15	Partially and fully-covered
Boston Sientific	Polyflex®	Polyester	16/20-18/23	9-12-15	Plastic stent
Cook Endoscopy	Evolution®	Nitinol	20/25	8-10-12.5-15	Partially and fully-covered
Ella-CS	SX-ELLA® HV	Nitinol	20/25	8.5-11-13.5-15	Fully-covered with collar anti-migration system
Ella-CS	SX-ELLA® Flexella	Nitinol	20/25	8.5-11-13.5-15	Fully-covered Possibility of distal or proximal release Possibility of anti-reflux valve
Ella-CS	FerX-ELLA® Boubella	Stainless steel	20/25	9-10.5-12-13.5-15- 16.5-19.5-21	Fully-covered Possibility of anti-reflux valve
Ella-CS	SX-ELLA® Danis	Nitinol	25/30	13.5	Fully-covered (with balloon/specific for variceal bleeding)
Ella-CS	SX-ELLA® Danis Seal	Nitinol	25/30	13.5	Fully-covered (specific for leaks)
Ella-CS	Ella BD stent®	Biodegradable polymer	18/23-20/25-23/28-25/31	6-8-10-13.5	-
Endochoice	Bonastent® ER	Nitinol	18/24	6-8-10-12-14-16	Fully-covered Possibility of anti-reflux valve
M.I. Tech	Hanarostent®	Nitinol	18/24-20/26-22/28	8-9-10-11-12- 14-15-16-17	Partially and fully-covered Possibility of double covered configuration, anti-reflux valve and asymmetrical configuration
M.I. Tech	Hanarostent® ECBB	Nitinol	36-30-20-26	18-21-24	Fully-covered (Bariatric surgery)
Micro-Tech	MT® Esophageal stent	Nitinol	(Diameter central/ extremities) 18/24-20/26-22/28	8-10-12	Uncovered, partially and fully covered Possibility of anti-reflux valve and radioactive system
Micro-Tech	MT® Cardia stent	Nitinol	16/22-18/24-20/26-22/28-24/30	9-10-11-12-13	Partially and fully-covered
Micro-Tech	MT® Retrievable stent	Nitinol	14/20-16/22-18/24-20/26-22/28-24/30	7-8-9-10-11-12	Fully-covered
TaeWoong Medical	Beta-Stent Niti-S®	Nitinol	18/24-20/26-22/28	10-12-14-15-16-18-20	Fully-covered (Fistula after bariatric surgery)
TaeWoong Medical	Mega-Stent Niti-S®	Nitinol	18/24-20/26-22/28	10-12-14-15-16-18-20	Fully-covered (Stricures or fistula after sleeve gastrectomy)
TaeWoong Medical	Niti-S Conio®	Nitinol	10/12-12/14-14/16	6-8-10-12-14-15	Fully-covered (Hypopharyngeal strictures)
TaeWoong Medical	Niti-S Cervical®	Nitinol	16/18-18/20	6-8-10-12-14-15	Fully-covered (Upper esophageal strictures) Possibility of distal or proximal release
TaeWoong Medical	Niti-S®	Nitinol	16/24-18/26-20/28	6-8-10-12-14-15	Partially and fully-covered Possibility of distal or proximal release for over-the-wire stent Possibility of TTS 10.5 Fr delivery system
TaeWoong Medical	Niti-S® double layer	Nitinol	16/24-18/26-20/28	6-8-10-12-14-15	Fully-covered with additional uncovered nitinol mesh Possibility of distal or proximal release Possibility of anti-reflux valve