catheter tip

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• Catheter — disassembled In medicine, a catheter (pronounced /ˈkæθɪtər/) is a tube that can be inserted into a body cavity, duct, or vessel. Catheters thereby allow drainage, administration of fluids or gases, or access by surgical instruments. The… …   Wikipedia

• catheter — 1. A tubular instrument to allow passage of fluid from or into a body cavity or blood vessel. SEE ALSO: line (4). 2. Especially a c. designed to be passed through the urethra into the bladder to drain it of retained …   Medical dictionary

• catheter whip — excessive mobility of the tip of an intracardiac catheter due to cardiac contraction, causing pressure measurements to be alternately artificially elevated and reduced …   Medical dictionary

• Dialysis catheter — Catheter for hemodialisis A dialysis catheter is a catheter used for exchanging blood to and from the hemodialysis machine from the patient. The dialysis catheter contains two lumens: Venous Arterial This is a confusing terminology for layperson …   Wikipedia

• Pulmonary artery catheter — In medicine pulmonary artery catheterization (PAC) is the insertion of a catheter into a pulmonary artery. Its purpose is diagnostic; it is used to detect heart failure or sepsis, monitor therapy, and evaluate the effects of drugs. The pulmonary… …   Wikipedia

• Foley catheter — Foley catheters are flexible (usually latex) tubes that are passed through the urethra during urinary catheterization and into the bladder to drain urine. They are retained by means of a balloon at the tip which is inflated with sterile water.… …   Wikipedia

• Swan-Ganz catheter — A thin, flexible tube that is inserted through one of the large veins (the inferior or superior vena cava) that return blood to the heart. The catheter is flow directed. It uses a balloon to carry it through the vena cava to the heart, through… …   Medical dictionary

• Peripheral venous catheter — thumb|right|Standard catheter. 1. The catheter itself is composed of (a) a tip for insertion into the vein, (b) wings for manual handling and securing the catheter with adhesives, (c) a valve to allow injection of drugs with a syringe, (d) an end …   Wikipedia

• balloon catheter — n a catheter that has two lumens and an inflatable tip which can be expanded by the passage of gas, water, or a radiopaque medium through one of the lumens and that is used esp. to measure blood pressure in a blood vessel or to expand a partly… …   Medical dictionary

• Hickman catheter — A thin long tube made of flexible silicone rubber that is surgically inserted into the vena cava, one of the main blood vessels leading to the heart. Depending on the therapy needs, the catheter may have either a single, double, or triple lumen… …   Medical dictionary

• Foley catheter — A flexible plastic tube (a catheter) inserted into the bladder to provide continuous urinary drainage. The Foley has a balloon on the bladder end. After the catheter is inserted in the bladder, the balloon is inflated (with air or fluid) so that… …   Medical dictionary