A catheter goes into the bladder through the urethra on the outside of the body. It is held in place by a bubble filled with water that is blown up after it is inserted. When inserting a catheter, you can confirm that it is in the correct placement and in the bladder when you see "urine flashback" (urine starts draining into the tubing).
Catheter
PICC, or PICC line, is the medical abbreviation for peripherally inserted central catheter.
Catheter ablation of an irregular heartbeat involves having a tube (a catheter) inserted into the heart.
Selective catheter placement
A catheter is a flexible tube that is inserted through a narrow opening in the body cavity, such as the bladder. It is used for removing fluid.
A catheter ablation procedure involves inserting a thin, flexible tube called a catheter into the heart through a blood vessel. Along with the catheter, a special electrode or sensor is also inserted to deliver energy to create scars or lesions on the heart tissue to correct abnormal heart rhythms.
A tube inserted in the ureter after surgery.
A flexible rubber or plastic catheter is then inserted into the urethra, and dye is injected into the catheter.
urinary bladder
peripherally inserted central catheter
A straight catheter is typically secured with adhesive tape. An indwelling catheter is secured by inflating a bulb-like device inside of the bladder.
Seldinger technique