The disposable catheters generate recurring revenues for the company .
一次性导管为该公司带来了源源不断的收入。
Sometimes these catheters can pinch a little bit .
有时候导尿管会收缩一点。
One popular method is to insert long , thin , flexible tubes called catheters into the body and administer treatment through them .
很常用的一种方法，就是将一根薄而长的灵活的管子，即所谓的导管，插入人体进行治疗。
The chemical also kills s. aureus biofilms , which are a common cause of infection on implanted catheters and other medical devices and are notoriously resistant to the actions of antibiotics .
