本实用新型提供一种腔道给药器，包括支撑管，装药室，以及推杆；
但一旦出现大的泄漏，此低量的气流便不能足够调节内腔压力。
目的探讨外科手术在空洞性肺结核治疗中的地位、适应症及手术方式。
目的研究鼻腔圆形细胞恶性肿瘤的临床病理组织学特征。
椎体成形术治疗合并囊腔样变的骨质疏松性椎体压缩骨折
1·Objective:to explore the clinical effects of perfusing chemotherapy by percutaneous lung puncture in the treatment of multi-drug resistent cavitary pulmonary tuberculosis(MDR-TB).
目的：研究经皮肺穿刺给药治疗耐多药空洞型肺结核的临床疗效。
2·The mixed pattern included cyst, nodule, cavitary lesion with adjacent consolidation or ground-glass opacity.
混合型为囊肿、结节、空洞病灶旁实变或磨砂玻璃影。
3·The presence of multiple peripheral nodules, some of which are cavitary, as well as consolidation and pleural effusions, is very consistent with septic embolic disease.
多发外周结节，部分伴有空洞、肺实变、胸腔积液，这些都符合脓毒性栓塞性病变。
4·Nodules or consolidation with evidence of cavitary lesion had a higher sensitivity than the halo sign or air crescent sign in both groups.
结节或实变影内空洞形成较晕轮征、新月征更常见。