Inclusion Criteria:

• Adult male (aged 18 years and over)

Diagnosed with a neurological lower urinary tract dysfunction due to either spinal cord injury, Multiple Sclerosis, Parkinson's Syndrome, Cauda equina syndrome Or Diagnosed with bladder outflow obstruction secondary to benign prostate enlargement Or Diagnosed with detrusor underactivity
Performing single use clean intermittent self-catheterisation (ISC) at least twice a day
Willing to undergo training with GC Trainer video prior to use of catheter
Provided fully informed consent and has sufficient understanding of English or French
Sufficient dexterity to use GentleCath™ Air for Men intermittent including ability to open packaging
Intact urethral sensation of catheterisation
Willing to use only the GentleCath™ Air intermittent catheter for the full duration of the study (60-days)
Subject has a valid email address so the Investigator can send links to study questionnaires and the subject has access to a web enabled device

Exclusion Criteria:

• Participation in another related urological study

Unable to perform ISC unaided
Already prescribed the GentleCath™ Air Intermittent Catheter
Absent urethral or perineal sensation
Unwilling to undergo training with GC Trainer prior to use of catheter
Insufficient dexterity to use GentleCath™ Air Intermittent Catheter and or packaging
Suffering from a symptomatic UTI (Urinary Tract Infections) at the time of inclusion or in the preceding 6-weeks
Undergoing surgical treatment during the period of the study
Performing catheterisation for urethral stricture