Feasibility Assessment of ACS Catheter (ACS1)

Inclusion Criteria:

1. Male or female, at least 18 years of age.
2. Patient or authorised representative must be able to comprehend and sign the Informed Consent Form prior to enrolment in the study.
3. Capable of using a catheter valve to empty the bladder and able to communicate their experience with the system OR who has a carer able to fulfil these tasks.
4. Fitted with a suprapubic catheter (at least 2 weeks post insertion).
5. Ability to attend out-patient clinic at regular intervals throughout the study and able to participate for a maximum of 8 weeks.
6. History of catheter blockages, bypassing or episodes of pyrexia and bacteraemia in the last 2 months.

Exclusion Criteria:

1. <18 years of age.
2. Pregnant or lactating females.
3. History of catheter associated septicaemia in the past month.
4. Evidence of current systemic infection.
5. Bladder pathology such as a tumour or stone >0.5cm as determined by cystoscopy.
6. Flaccid bladder.
7. BMI>35.
8. Current participation in another device or drug study.
9. Unwilling or unable to provide informed consent.