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Ostomy vent project

Design, manufacture and assembly of ostomy vent patches

Our customer required an ostomy vent patch that allowed gases to escape, whilst containing odour and liquids.

We worked closely with our customer to design the venting patch and to find the right material for the component, running various trials. The final part was made up of four materials, each with their own function. A Versapor filter allowed gases to pass, but no liquids through, a charcoal filter removed odour as the gases passed, an EVA material attached the filter and directed escaped gases to a desired location, and the final material attached and sealed the patch to the colostomy bag.

The final component was manufactured using a complex multi-stage rotary process and assembled using our automated pick and place equipment. The final component met all of our customers requirements, ensuring their colostomy bags offer patients discretion, comfort, security and confidence. You can read about this project in more detail below.

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Ostomy vent project requirements

Ostomy vent project requirements
  1. The component must offer a secure adhesive seal to a difficult to bond to medical film (MF)
  2. Must allow gas to escape
  3. Fluids must not escape
  4. Must remove odour
  5. Component must be easy to apply in hand assembly process

Our solution

Our solution
  1. Working with the customer we designed the patch, running various material trials, testing different material combinations and selecting the optimum products.
  2. We designed a venting patch made up of four materials
  3. One was a Versapor micropore filter material that allows gas through but provides a barrier to liquids
  4. Two was a charcoal filter that allowed the gases to escape, removing the odour in the process
  5. Three was an EVA material placed on top of the charcoal filter, to weld to the colostomy bag and to seal the charcoal so gases escaped in our desired location
  6. Four was a double sided high performance adhesive to attach and seal the patch to the colostomy bag
  7. We designed a complex multi stage rotary process, combined with our AccuPlace automated pick and place equipment to assemble the pre-converted charcoal discs to the Versapor filter.
  8. The design also incorporated a dry tab for ease of application for the customer’s assembly process.

Key benefits

Key benefits
  1. The venting patch releases the gases, preventing the colostomy bag from ballooning, offering the patient more comfort and discretion
  2. No odour is released, offering the patient confidence
  3. No fluids can escape, again offering the patient more confidence and security
Categories
  • Attaching (5)
  • Bonding (5)
  • Protecting (2)
  • Sealing (6)
  • Thermal management (1)
  • Venting (3)
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