noun
definition
A small tube inserted into a body cavity to administer a drug, create an opening, distend a passageway, or remove fluid.
Examples of catheters in a Sentence
All patients with long-term catheters will develop a chronic bacteriuria; infection arises at the rate of about 5 - 10% per day.
For silver alloy catheters, 11% of patients had bacteriuria, compared with 32% with uncoated catheters (Figure ).
The majority of patients therefore had 10ml balloon catheters in situ.
A decision model was used to evaluate the outcomes associated with using antiseptic impregnated catheters compared to standard catheters for 10,000 hypothetical patients.
The report states that a ' cuffing ' effect may occur to the deflated catheter balloon when removing 100 per cent silicone catheters.
Bibby J. M., Hukins D.W. (1993) ' Acidification is not a feasible method for preventing encrustation of indwelling urinary catheters ' .
Morris N., Stickler D., Winters C. (1997) ' Which indwelling urethral catheters resist encrustation by Proteus mirabilis biofilms?
Spasticity can also make it difficult to deal with urinary or bowel problems including inserting catheters or giving enemas.
Catheters should be removed from children with candidiasis.
Fluoroscopy is also used to help guide catheters into place in the heart during cardiac catheterization or to guide an endoscope during endoscopic surgery.
If an epidural or spinal were used, Duramorph (a pain medication similar to morphine) is often administered through these catheters just prior to completion of surgery.
Catheters and ports also may be placed in the chest cavity, abdomen, bladder, or pelvis (intracavitary or IC catheter), depending on the location of the cancer to be treated.
Staph bacteria can also contaminate bedclothes, catheters, and other objects.
These infections, which can usually be traced to contaminated catheters or intravenous devices, cause persistent high fever.
Another mode of administration involves implanted catheters that deliver pain medication directly to the spinal cord.