Table 2.
Commercially available colorectal stents
| Name | Material | Diameter (mm) | Flare | Flare diameter (mm) | Length (mm) | Covered/uncovered | Feature | Manufacturer |
| Colonic Z-stent™ | Stainless steel | 25 | A | 35 | 40, 60, 80, 100, 120 | Uncovered | No foreshortening | Cook |
| Evolution™ | Nitinol | 25 | A | 30 | 60, 80, 100 | Uncovered | Controlled-release delivery system | Cook |
| 20 | A | 22 | 80, 100, 125, 150 | Partially covered | ||||
| 18, 20 | A | 23, 25 | 80, 100, 120 | Fully covered | ||||
| Wallstent™ Endoprosthesis | Stainless steel | 20, 22 | NA | NA | 60, 90, 120 | Uncovered | Reconstrainable | Boston Scientific |
| Wallstent™ Enteral | Elgiloy | 20, 22 | NA | NA | 60, 90 | Uncovered | Reconstrainable | Boston Scientific |
| Wallflex™ Colonic | Nitinol | 22, 25 | A | 27, 30 | 60, 90, 120 | Uncovered | Reconstrainable | Boston Scientific |
| Ultraflex™ colonic | Nitinol | 25 | A | 30 | 57, 87, 117 | Uncovered | Non-Reconstrainable | Boston Scientific |
| Hanarostent™ colorectal | Nitinol | 22 | A | 28 | 60, 70, 80, 90, 100, 110, 120, 130, 140, 150, 160, 170 | Covered | Reconstrainable | MI tech |
| 24 | A | 30 | 60, 70, 80, 90, 100, 110, 120, 130, 140, 150, 160, 170 | Uncovered | ||||
| Bonastent™ | Nitinol | 22, 24, 26 | NA | NA | 60, 80, 100, 120, 140, 160 | Covered | Non-foreshortening | EndoChoice |
| Uncovered | ||||||||
| Niti-S™ D-Enteral colonic stent | Nitinol | 18, 20, 22, 24 | NA | NA | 60, 80, 100, 120, 140, 150 | Uncovered | Reconstrainable | Taewoong medical |
| Comvi™ Colonic stent | Nitinol | 18, 20, 22 | NA | NA | 60, 80, 100, 120 | Triple layered | Reconstrainable | Taewoong medical |
| Niti-S™ S-enteral colonic stent | Nitinol | 18, 20 | A | 24 | 60, 80, 100, 120, 140, 150 | Covered | Reconstrainable | Taewoong medical |
A: Available; NA: Not available.