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目的:探求一种CT导引、经皮穿刺活检针外固定的有效方法。方法:当活检针沿预置路径及深度进入穿刺活检靶点后,外固定器独特的空心圆台和布带设计可以有效固定活检针。结果:342例CT导引、经皮穿刺活检患者,通过外固定器固定活检针,329例取得了符合病理诊断要求的病变组织、成功率达到95.9%,可使其代替人工固定活检针。结论:简易充气式CT介入外固定是一种实用性强的介入辅助器材,并避免了医务人员和患者家属直接接触X线的危险,值得推广使用。
Objective: To explore a CT guided percutaneous biopsy needle external fixation effective method. Methods: When the biopsy needle enters the biopsy target along the preset path and depth, the unique hollow trocar and the strap design of the external fixation device can effectively fix the biopsy needle. Results: A total of 342 cases of CT guided percutaneous biopsy were fixed with biopsy needle by external fixator, and 329 cases with pathological diagnosis were obtained. The success rate was 95.9%, which could replace manual biopsy needle. Conclusion: Simple and easy-to-use CT interventional external fixation is a practical interventional aid, which avoids the danger of direct contact with the X-ray between the medical staff and the patient’s family members and is worth promoting.