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A two-piece drainable pouch system is an ostomy solution designed for individuals—typically with ileostomies or colostomies—who have frequent or high-volume output. It consists of a separate skin barrier (wafer) and a drainable pouch that attaches to the barrier via a coupling system (flange or adhesive ring). The pouch has an opening at the bottom that can be emptied multiple times before replacement, offering cost-efficiency and convenience.

Major Manufacturers and Their Offerings:

Hollister
Products: New Image Two-Piece Drainable Pouch, Premier Two-Piece System
Features: Lock 'n Roll microseal closure, odor-barrier film, integrated AF300 filter, belt tabs for added support
Coloplast
Products: SenSura Mio Two-Piece Drainable Pouch
Features: Elastic adhesive wafers for a secure fit, full-circle filter, wide outlet for easy emptying, soft cloth backing
Convatec
Products: SUR-FIT Natura Two-Piece Drainable Pouch, Esteem + Two-Piece Drainable
Features: Snap-on mechanical coupling, InvisClose tail closure, drain tap or clamp closure options, odor-resistant film
B. Braun
Products: Flexima 3S Drainable Pouch
Features: Three-point click coupling system, anti-reflux valve, easy-to-use wide outlet, discreet soft cove

Two-piece drainable pouch systems are an adaptable ostomy appliance option. It is especially suited for patients with an Ileostomy (liquid or high-volume output) or a colostomy who prefer the convenience of emptying the pouch without removing the skin barrier. With a separate skin barrier (wafer/flange) and a detachable, resealable collection pouch, these systems provide flexibility, comfort, and cost-effectiveness.

At ATC Medical, we offer a variety of two-piece drainable pouch systems designed for comfort, reliability, and daily convenience. Our selection includes trusted brands and multiple configurations to ensure patients can maintain discretion, confidence, and independence while managing their ostomy needs.

How Two-Piece Drainable Systems Work

A two-piece system consists of two main components:

  1. Skin Barrier (Wafer/Flange): The adhesive portion that attaches to the peristomal skin and remains in place for several days. It includes a coupling mechanism for pouch attachment.
  2. Drainable Pouch: The collection bag that attaches to the barrier. It features a resealable opening (“tail”) at the bottom so the user can empty output multiple times a day and then reseal without removing the barrier. This feature is particularly helpful for high-output or liquid effluent.

Benefits of this system include:

  • Change the ostomy pouch without stripping the barrier, minimizing skin trauma and risk of leakage.
  • Mix and match ostomy pouch styles (length, filter/no filter, transparent/opaque) while keeping the same barrier/wafer in place.
  • Easy cleaning or rinsing of the drainable ostomy bag when required (especially for liquid output).
  • Clear visibility of the stoma opening during skin wafer application, facilitating a precise fit and improved seal.
  • Potentially lower ongoing cost because only the ostomy bag is replaced frequently, while the skin barrier/wafer is left on longer.

Product Features & Selection Criteria

When selecting a two-piece drainable pouch system at ATC Medical, here are the key features to consider:

  • Design Type: Designs are available for two-piece drainable pouch systems, two-piece closed ostomy bags, and urostomy-specific systems.
  • Closure Type: Integrated/built-in closure or tail-end closure systems that may use pouch clamps, velcro, or roll-up seals.
  • Pouch Size & Length: The longer two-piece ostomy systems may be preferred by ileostomy users; shorter bags for colostomy or less active users.
  • Filter Options: Some bags include filters or anti-ballooning vents to manage odor and gas build-up.
  • Material & Color: Discreet opaque bags for everyday use; transparent colostomy bags for output monitoring.
  • Coupling Mechanism: Snap-on/snap-off, adhesive, or mechanical coupling system for barrier-to-pouch connection.
  • Barrier Style and Wear Time: Match the skin barrier/wafer to the appropriate wear time (standard or extended), based on the output type and skin condition.
  • Mix-and-match capability: Two-piece systems allow switching between different pouching systems without removing the barrier.

Who Should Use a Two-Piece Drainable Pouch System?

This pouching system is particularly suited for individuals who:

  • Have an ileostomy with liquid or high-volume output, requiring frequent emptying of the ostomy bag.
  • Have a colostomy but prefer the flexibility of a drainable pouch and want to change only the bag more frequently while leaving the barrier in place.
  • Wish to engage in activities such as travel, work, or sports, and value the ability to discreetly and quickly empty the contents of an ostomy bag.

Have sensitive peristomal skin and want to avoid frequent barrier changes (and associated skin trauma).

Find the Right Two-Piece Drainable Pouch System at ATC Medical

Choosing the right ostomy pouching system makes all the difference in comfort, confidence, and daily convenience. ATC Medical offers a wide selection of two-piece drainable pouch systems from trusted brands, designed to provide a secure fit, reliable protection, and flexible wear options to meet every individual's needs.

Whether you’re managing an ileostomy or colostomy, our range of products includes various pouch sizes, bag types, closure types, barrier styles, and accessories to help you maintain comfort and independence.

Browse our products today and find the system that best fits your lifestyle and care routine.