Innovating urinary catheter design: An introduction to the engineering challenge

Area of Science:

• Medical Devices
• Urology
• Biomedical Engineering

Background:

• Urinary catheters are essential for managing bladder dysfunction globally.
• Current designs pose significant risks, including infection, trauma, and blockage.
• These issues negatively impact patient quality of life and healthcare costs.

Purpose of the Study:

• To review current urinary catheter designs and their inherent limitations.
• To outline common problems associated with catheter use.
• To propose areas for future design innovation in urinary catheter technology.

Main Methods:

• Literature review of existing urinary catheter designs.
• Analysis of reported complications and limitations.
• Identification of key areas for design improvement.

Main Results:

• Established catheter designs have seen minimal innovation in 80 years.
• Common issues include urinary tract infections, septicaemia, bladder/urethral trauma, and device blockage.
• Significant potential exists to alleviate patient and economic burdens through improved designs.

Conclusions:

• Urinary catheter design requires urgent innovation to address well-recognized harms.
• Improvements can enhance patient well-being and reduce healthcare expenditure.
• Future research should focus on developing safer, more effective catheter solutions.