Catheter
hideIn medicine a catheter is a tube that can be inserted into a body cavity, duct or vessel. Catheters thereby allow drainage, injection of fluids or access by surgical instruments. The process of inserting a catheter is catheterization. In most uses a catheter is a thin, flexible tube ("soft" catheter), although in some uses it is a larger, solid tube ("hard" catheter). A catheter left inside the body, either temporarily or permanently, may be referred to as an indwelling catheter. A permanently inserted catheter may be referred to as a permcath.
The ancient Syrians created catheters from reeds. "Katheter" originally referred to an instrument that was inserted such as a plug. The word "katheter" in turn came from "kathiemai" meaning "to sound" with a probe. The ancient Greeks inserted a hollow metal tube through the urethra into the bladder to empty it and the tube came to be known as a "katheter".
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News tagged with catheter
Stable plaque or heart attack plaque? Researcher builds new MEMS sensor to tell which is which
Nov 23, 2009 |
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University of Sourthern California biomedical engineer and cardiologist Tzung "John" Hsiai hopes to develop a new tool to help clinicians distinguish cardiac emergencies requiring immediate surgery from chronic ...
Researchers take aim at hard-to-treat fungal infections
Nov 19, 2009 |
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A team of researchers at the Worcester Polytechnic Institute Life Sciences and Bioengineering Center at Gateway Park has developed a new model system to study fungal infections. The system can be a powerful ...
Spinal cord regeneration enabled by stabilizing, improving delivery of scar-degrading enzyme
Nov 02, 2009 |
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Researchers have developed an improved version of an enzyme that degrades the dense scar tissue that forms when the central nervous system is damaged. By digesting the tissue that blocks re-growth of damaged ...
Less invasive procedure for repair of abdominal aortic aneurysm may reduce short-term risk of death
Oct 13, 2009 |
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Patients who received the less-invasive endovascular repair of an abdominal aortic aneurysm had a lower risk of death in the first 30 days after the procedure compared to patients who an open repair, but both procedures had ...
Robot saves patient's transplanted lung
Oct 12, 2009 |
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In a first-of-its-kind procedure, physicians at the Methodist DeBakey Heart & Vascular Center used a robotic catheter to save a patient’s transplanted lung.
Radiologists and engineers develop a modified catheter to reduce contrast material injuries
Sep 21, 2009 |
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Though rare, IV contrast material administration can sometimes result in patient injury. However researchers have developed a modified catheter that may prevent such events from occurring, according to a study in the October ...
Mount Sinai first in nation to ablate atrial fibrillation using new visually-guided balloon catheter
Sep 18, 2009 |
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Physicians at The Mount Sinai Medical Center in New York became the first in the U.S. to ablate atrial fibrillation using a visually-guided laser balloon catheter. The procedure was performed September 15 by Vivek Y. Reddy, ...
Researchers reveal six new genome sequences and fundamental insights to the Candida fungus family
May 25, 2009 |
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An international research collaboration coordinated by UCD (University College Dublin) researchers and involving scientists at 21 institutes including the genome sequencing centres in the Wellcome Trust Sanger ...
Expert consensus on catheter ablation of ventricular arrhythmias
May 14, 2009 |
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A call to action for more research to be undertaken into catheter ablation in the field of ventricular arrhythmia (VA) has been issued in a joint consensus document from the European Heart Rhythm Association (EHRA) a registered ...
Simulation training improves skills for catheter insertion
May 14, 2009 |
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New technology allows student doctors to practice operations and other procedures on simulators before trying them out on real patients, just as pilots practice for emergencies on aircraft simulators. Medical educators feel ...
Heating heart with catheter better than drugs for common heart rhythm disorder
May 14, 2009 |
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Treating a common heart rhythm disorder by burning heart tissue with a catheter works dramatically better than drug treatments, a major international study has found.
New ultrasound-guided biopsy method allows improved diagnosis of endometrial disease
Apr 14, 2009 |
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A procedure used in conjunction with a vaginal ultrasound might make it easier to visualize and diagnose diseases in the lining of the uterus, researchers at UT Southwestern Medical Center have found.
Catheter helps get oxygen to blood when lungs aren't working
Apr 07, 2009 |
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When Kelli Justice walked into her baby's room at Kentucky Children's Hospital, it was terrifying.
Study exposes need for pediatric cardiac devices
Mar 30, 2009 |
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Nearly two-thirds of children who undergo routine interventional cardiology procedures -- those involving a catheter to treat structural disorders of the heart -- may be receiving treatment with a device that's being used ...
Anti-microbial catheter to cut infection risk for dialysis patients
Mar 24, 2009 |
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Medical experts at The University of Nottingham have shown that an innovative anti-microbial catheter could vastly improve treatment and the quality of life for many community-based dialysis patients.
