There was no serious adverse reactions except slight bleeding in 2 patients.
所有患者中除2例出现轻度出血外，未见其他严重不良反应。
Conclusion: This minimally invasive valve operation is of limited incisions, slight damages, mild bleeding, a short healing time and good operative effects.
结论：微创切口创伤小，出血少，病人恢复快，有良好的手术效果。
Results Postoperative pain was slight, and hospitalization days shorter, 16 cases with PPH were no hemorrhoidal prolapsed, one cases was bleeding after operation.
结果术后患者疼痛轻微，住院时间明显缩短。16例患者痔块完全回缩，1例术后出血。
Results Postoperative pain was slight, and hospitalization days shorter, 16 cases with PPH were no hemorrhoidal prolapsed, one cases was bleeding after operation.
结果术后患者疼痛轻微，住院时间明显缩短。16例患者痔块完全回缩，1例术后出血。
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