1) One-way endobronchial valve system
单向活瓣支架
1.
Conclusion One-way endobronchial valve system is safe and effective in COPD therapy.
目的研究经纤维支气管镜在肺内植入一种单向活瓣支架(专利号ZL2006200236104)在治疗慢性阻塞性肺疾病中的应用。
2) one way valve
单向活瓣
1.
[Objective] To confirm the safety and effectivity of the self-made endo-bronchial one way valve according to study of the pathologic features of sheep model of emphysema after the bronchoscopic lung volume reduction(BLVR)procedure.
目的通过观察绵羊肺气肿模型经纤维支气管镜肺减容术(bronchoscopic lung volume reduction,BLVR)术后的病理学改变,验证自行研发单向活瓣支架的安全性及有效性。
3) One-way-valved patch
单向活瓣补片
1.
Objective To compare the clinical effect of one-way-valved patch and conventional patch for surgery for ventricular septal defect with Severe pulmonary hypertension and bi-directional shunt.
目的比较应用单向活瓣补片治疗合并重度肺动脉高压双向分流的先天性室间隔缺损(Ventricular Septal Defect,VSD)患者与常规补片矫治术的临床效果。
4) One-way valve ventilation
单向活瓣通气
5) One-directed-valve-urine-collection-bag
单向活瓣集尿袋
6) unidirectional flap patch
单向活瓣式补片
1.
Objective\ To study the effect of unidirectional flap patch on the patients with ventricular septal defect and severe pulmonary hypertension.
目的 探讨单向活瓣式补片在治疗室缺合并肺动脉高压中的作用。
补充资料:单向阀的工作原理
如图l所示,单向阀是气流只能一个方向流动而不能反向流动的方向控制阀。其工作原理与液压单向阀一样。压缩空气从尸口进入,克服弹簧力和摩擦力使单向阀阀口开启,压缩空气从P流至A;当P口无压缩空气时,在弹簧力和A口(腔)余气力作用下;阀口处于关闭状 态,使从A至P气流不通。单向阀应用于不允许气流反向流动的场合,如空压机向气罐充气 时,在空压机与气罐之间设置一单向阀,当空压机停止工作时,可防止气罐中的压缩空气回流 到空压机。单向阀还常与节流阀、顺序阀等组合成单向节流阀、单向顺序阀使用。
说明:补充资料仅用于学习参考,请勿用于其它任何用途。
参考词条