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All bodies are different

Convexity Solutions. Convex wafers are designed to help reduce leakage.1
a woman in a green shirt running ; ostomy products ;

Why would you consider a Convatec convex solution?1

  • You experience leakage
  • Your stoma is flush or retracted
  • Your abdomen tone has changed
Request free samples

What is Convexity?1

  • Convexity is the outward curving of the baseplate.
  • Convexity helps maintain a secure seal between the pouch and the skin

Characteristics of Convexity1

Depth

Is the distance between the highest point on the skin barrier and the base of the skin barrier.


Compressibility

The maximum amount a convex skin barrier can be flattened.


Flexibility

How easily the convex skin barrier can bend.


Tension Location

Where the convex dome presses downward and outward on the area around the stoma.


Slope

The angle between the highest point on the skin barrier and the base of the skin barrier.

When to Use Convexity1

 

flush stoma

Flush Stomas

Located at the same level as the abdomen skin surface, and does not protrude

 

retracted stoma

Retracted Stomas

Stoma pulled into the abdomen below skin level or having little or no spout

 

skin folds

Skin Folds

A stoma which is deep in a skin fold/crease

 

soft or flaccid abdomen

Soft or Flaccid Abdomens

An abdomen requiring firm level of support to stabilize the pouching system

Need More Help?

Please feel free to consult with one of our Clinical Support Specialists.

Call 0800 282 254 or email stoma.webcare@convatec.com.

Downloadable Resources

Convexity insights to secure barriers, prevent leaks, protect peristomal skin.

Convexity Compendium

PDF

FEA Article Summary

PDF

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Cutting out your baseplate can seem like a task. Making sure you haven't left any gaps that expose your skin to output and creating a seal strong enough to protect from leakage can be stressful.

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Convexity Solutions. Convex wafers are designed to help reduce leakage and simplify stoma management.

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Skin protection is the most important factor in Convatec’s adhesive and baseplate technology.

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1. McNichol L, Cobb T, Depaifve Y, Quigley M, Smitka K,  Gray, M. Characteristics of Convex Skin Barriers and Clinical Application: Results of an International Consensus Panel. J Wound Ostomy Continence Nurs. 2021;48(6):524-532.

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