The study is designed to deliver further information on clinical benefit, patients' satisfaction, and perception of handling and to confirm safety of Navina Mini when used in children and adolescents.

This is an uncontrolled, prospective, multicentre post-market clinical follow-up investigation that will enroll male and female children /adolescents with a need for low-volume transanal irrigation (TAI) as judged by the investigator or designee.

A total of 27 subjects in need of low-volume TAI will be recruited from 2-3 sites in Sweden and will be treated with Navina Mini as per product intended purpose and per instruction of use. Participating subjects will perform three visits during the clinical investigation and will be followed for a total of four (4) to six (6) weeks.

The study is designed to deliver further information on clinical benefit, patients' satisfaction, and perception of handling and to confirm device safety when used in children and adolescents.

Inclusion Criteria:

• Signed informed consent

• Male and female children/adolescents between 3 and 17 years of age at the time of inclusion

• Diagnosis of at least one of the following:

  • functional constipation not well treated with oral laxatives
  • functional fecal incontinence, either retentive or non-retentive (FNRFI: Functional Non-Retentive Fecal Incontinence) not well treated with oral laxatives
  • neurogenic bowel dysfunction due to spinal abnormalities and/or spinal cord injury or cerebral palsy
  • patient with sequelae of anorectal malformations to Hirschsprung disease
  • Fecal Incontinence (FI) due to iatrogenic injury including tumor surgery sequelae

• Symptom duration of > 3 months

• Subject and/or their legally designated representative can communicate in written and oral Swedish language

Exclusion Criteria:

• Children/adolescents previously treated with, or currently in need of, high volume TAI, i.e., volume > 250 ml
• Confirmed pregnancy at the time of enrollment
• Participating in another clinical investigation interfering with this investigation
• Subjects with an active, symptomatic, inflammatory bowel disease, radiation proctitis, and or active perianal fistula disease
• Rectal bleeding of uncertain origin or active hemorrhoidal bleeding
• < 6 months after anal or colorectal surgery
• Ongoing anti-coagulant therapy (i.e., NOACS, heparin, warfarin)
• Ischemic colitis
• Active anal fissure
• Inability to use the product or anyone to assist in its usage (hand function assessment)
• Person not suitable for the investigation according to the investigator's judgment