Ostomy Page Table
The Concepts
»A 2-piece is usually the first system type used by the nurse or aide for checking stoma. Stoma is accessible and pouch is disposable without changing the barrier. Pouch change count is not limited.
»A 1-piece barrier with pouch is preferred by some for its thin profile and lower barrier-fluid capacity. Barrier and pouch are always replaced together.
Chemistry & Mechanics
A stoma seal at barrier can leak without being seen, and that's a hot reason to change the barrier. Naturally we seek out why and how to slow it down.
You have options for whichever leak it was: a) barrier leak to skin around stoma, or, b) pouch or barrier leak to outside. The first is often measured with days, how many till pain arrives.
Barrier composites vary by brand. Its life span is affected by chemical reactions from type of bath soap, water-chlorine, prep wipes, stoma fluids and, your own skin emissions.

Fluid Details for 2-Piece
  It may be 8—10pH, it does hurt.

Coloplast #10504  2-piece
Pre-Cut 1" (25mm) for stoma
SenSura Mio Click Barrier

This shows 6× 7× 38mm donut,
4.5ml (1 teaspoon)around stoma. That is flange diameter and height, minus a cylindrical space for stoma.
A 50mm flange with a 25mm stoma is a 2+ teaspoon donut.
Stoma shape is smaller than est.
Important - regardless of pouch, this type of structure retains fluids until turned on its side. Lying on your back will submerge the stoma seal for duration.
All these methods use 'water proof' adhesives and allow showers and swimming.
Use a 'Remover Wipe' when removing to avoid injury and its pain.
Pouch Side

Coloplast #10551
After 1" Cut Out
2.4mm thick


Coloplast #12262
0.3mm thick
This Pouch
can be Used
Body Side
Coloplast #10551 Flat
2-piece, Cut-to-Fit

This is a Coloplast 2-piece system, a #10551 barrier with #12262 pouches. Its fluid retention is minimum, comparable with a 1-piece system.
Ileostomy brings fluids which can make a leak.  Higher alkalinity can reduce viscosity. It more easily seeps under barrier and is trapped, painfully contacting your skin and forcing a barrier replacement.

Patrick Mullins

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