2. Urinary catheter
A urinary catheter is a small, flexible tube that can be inserted through the urethra and into the bladder, allowing urine to drain. The urethra is the tube that carries urine outside the body from the bladder.
Healthline.com (OMS Preferred Provider)

3. Umbilical artery catheters in the newborn: effects of catheter materials
Citation example: Barrington KJ. Umbilical artery catheters in the newborn: effects of catheter materials. Cochrane Database of Systematic Reviews 1999, Issue 1. Art. No.: CD000949. DOI: 10.1002/14651858.CD000949.
www.nichd.nih.gov

4. Anaesthesia UK : Pulmonary artery catheters
Distal lumen : at tip of catheter, lies in a branch of the pulmonary artery, connected to a pressure transducer.
www.anaesthesiauk.com

5. Umbilical artery catheters in the newborn: effects of position of the catheter tip
Citation example: Barrington KJ. Umbilical artery catheters in the newborn: effects of position of the catheter tip. Cochrane Database of Systematic Reviews 1999, Issue 1. Art. No.: CD000505. DOI: 10.1002/14651858.CD000505.
nichd.nih.gov

6. Urinary Catheters, Health Information
Urinary catheters are used to drain the bladder. Your health care provider may recommend a catheter for short-term or long-term use because you have or had:
www.christusschumpert.org

7. Umbilical Artery Catheter Blood Collection Affects Cerebral Oxygenation
Multiple authors agree that blood collection from an umbilical artery catheter alters the cerebral hemodynamics (i.e. cerebral blood volume and oxygenation). Authors disagree whether the velocity vs. the volume of collection makes a difference in ...
www.med.umich.edu

8. Prophylactic antibiotics to reduce morbidity and mortality in neonates with umbilical artery catheters
Prophylactic antibiotics to reduce morbidity and mortality in neonates with umbilical artery catheters
healthinsite.gov.au

9. Catheters | Incontinence, Nocturia, Enlarged Prostate, and Prolapse Information
Intermittent self-catheterization (IC) is a safe procedure that can help bring your urinary symptoms under control. Many people self-catheterize and report that it has improved their quality of life. It will allow you to completely empty your blad...
www.nafc.org

10. Clinical Validation of a Continuous Intravascular Neonatal Blood Gas Sensor Introduced Through an Umbilical Artery Catheter
Clinical Validation of a Continuous Intravascular Neonatal Blood Gas Sensor Introduced Through an Umbilical Artery Catheter
www.rcjournal.com