pyloric strainer

例句：

1. 1. The doctor inserted a pyloricstrainer to help with the patient's digestion.
   医生插入了一个胃管过滤器来帮助病人消化。
2. 2. After the surgery, thepatient was given a pyloric strainer to prevent reflux.
   手术后，患者被给予一个胃管过滤器以防止反流。
3. 3.The patient had to wear a pyloric strainer for several days until hisstomach healed.
   患者不得不戴着胃管过滤器几天，直到他的胃愈合。