Balloon delivery of application method is simple to learn, the use of safety, it must be to go through formal training, the study of theory and practice of teaching, can we correctly grasp.
气囊助产施术方法简便易学，使用安全，但必须要经过正规的培训，进行理论学习与示教实习，才能正确掌握。
2
Endoscopic balloon dilatation for treatment of benign gastric outlet obstruction is an effective and safe method.
经内镜球囊扩张是治疗良性胃输出端梗阻的安全而有效的方法。
3
Conclusion Endovascularly occluding the parent-arteries with detachable balloon or GDCs is a effective and safe method of treating the large or giant intracranial aneurysms.