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catheter Definition

cath·eter (kat̸h′ət ər)

noun

a slender, hollow tube, as of metal or rubber, inserted into a body passage, vessel, or cavity for passing fluids, making examinations, etc., esp. one for draining urine from the bladder

Etymology: LL < Gr kathetēr < kathienai, to let down, thrust in < kata-, down + hienai, to send: see jet

catheter Usage Examples

Converse of object

  • indwell: In these cases, an indwelling catheter may be recommended.
  • impregnate: A decision model was used to evaluate the outcomes associated with using antiseptic impregnated catheters compared to standard catheters for 10,000 hypothetical patients.
  • insert: Newly inserted catheter does not drain urine: The most obvious cause of failure to drain urine is failure to enter the bladder.

Noun used with modifier

  • suction: He removes the brain with a suction catheter causing the skull to collapse, enabling the head to slide out.
  • silicone: The report states that a ' cuffing ' effect may occur to the deflated catheter balloon when removing 100 per cent silicone catheters.
  • artery: Pulmonary artery catheter â a tiny tube inserted into the artery connecting the heart to the lungs.
  • balloon: The rectal balloon catheter used for barium enema can very rarely cause perforation.

Adjective modifier

  • urethral: The dose is instilled into the bladder through a urethral catheter.
  • suprapubic: Case 61 Traumatic urethral rupture Findings The patient has a suprapubic catheter in situ.
  • urinary: You will also have a urinary catheter draining urine from your bladder.
  • venous: A central venous catheter, also called a central line is a long fine hollow tube with an opening at each end.
  • supra-pubic: Bladder infil can also be used in patients who have a supra-pubic catheter in situ.
  • epidural: Bloody tap or blood in epidural catheter is controversial.

Modifies a noun

  • encrustation: This demonstrated a poor control and a larger sample with catheter encrustation in both methods is needed.
  • ablation: Some ventricular arrhythmias can be cured using catheter ablation.
  • in-situ: They were unable to substantiate anything regarding the efficacy or otherwise of practicing PFME with a catheter in-situ, with any research based evidence.
  • blockage: Don't ignore persistent catheter blockage, it should be investigated.
  • balloon: Suction on the syringe to withdraw fluid from the catheter balloon may cause the catheter walls to collapse.
  • insertion: Participants included in the review Individuals requiring central venous catheter insertion were eligible for inclusion.

Preposition: in

situ: The urethra The urethra, without a catheter in situ, lies flat.