Figure 4. (a) Uncovered Ultraflex stent, (b) externally covered Ultraflex stent, (c) Flamingo stent and (d) internally covered Wallstent.
Figure 4. (a) Uncovered Ultraflex stent, (b) externally covered Ultraflex stent, (c) Flamingo stent and (d) internally covered Wallstent.