Catheter | 合法醫療器材資訊網

urinarycatheter:drainingurinefromtheurinarybladderasinurinarycatheterization,e.g.,theintermittentcathetersorFoleycatheterorevenwhentheurethrais ...

Medical tubes inserted in the body to extract or administer substances

In medicine, a catheter (/ˈkæθətər/)[1] is a thin tube made from medical grade materials serving a broad range of functions. Catheters are medical devices that can be inserted in the body to treat diseases or perform a surgical procedure. Catheters are manufactured for specific applications, such as cardiovascular, urological, gastrointestinal, neurovascular and ophthalmic procedures. The process of inserting a catheter is catheterization.

In most uses, a catheter is a thin, flexible tube (soft catheter) though catheters are available in varying levels of stiffness depending on the application. A catheter left inside the body, either temporarily or permanently, may be referred to as an "indwelling catheter" (for example, a peripherally inserted central catheter). A permanently inserted catheter may be referred to...