katetriin
Katetriin is a flexible tube inserted into the body to drain fluids, deliver substances, or gain access to a hollow organ or vessel. It is used for diagnosis, therapy, and monitoring in many medical settings. Catheters vary by purpose and location and include urinary, vascular, biliary, nephrostomy, and other specialty catheters.
Common categories include urinary catheters (such as indwelling Foley catheters with an inflatable balloon to keep
Catheters are typically made of latex, silicone, or polyurethane. They vary in size and design, with lumens,
Insertion is performed by trained clinicians under sterile conditions. Some catheters require imaging or ultrasound guidance.
Risks include infection, bleeding, blockage, dislodgement, and tissue injury. Catheter-associated infections are a key concern, mitigated
Historically, catheterization dates to ancient times, with modern indwelling urinary catheters and balloon retention developed in