The bleeder was shallow and active with an obscure origin, which made it difficult to cannulate using a steerable micro-guidewire and micro-catheter set.
The bleeder was shallow and active with an obscure origin, which made it difficult to cannulate using a steerable micro-guidewire and micro-catheter set.
那个出血点既浅且急而且出口不明，这使得微导管线在血管的勾选变的非常困难。