What is Convexity?
- Convexity is the outward curving of the baseplate or skin barrier.2, 3
- Convexity applies a uniform pressure to the immediate peristomal skin, improving the projection of the stoma for drainage.4
- Convexity helps maintain a secure seal between the pouch and the skin.5
When to Use Convexity
Located at the same level as the abdomen skin surface, and does not protrude 6
Stoma pulled into the abdomen below skin level or having little or no spout 7
A stoma which is deep in a skin fold/crease 5
Soft or Flaccid Abdomens
An abdomen requiring firm level of support to stabilize the pouching system 6
Characteristics of Convexity
Typically used on soft or flaccid abdomens.
Typically used on firm or toned abdomens.
Height of the convex plateau.
Deep or Shallow
Distance across the raised flat surface from edge-to-edge.
Choosing the right convexity solution for different body profiles can be challenging.
User our Convexity Product Selector Tool to answer 3 simple questions to learn more about convex products that may work for your stoma.Get started now
Are you a Healthcare Professional?
Our me+™ Concierge team can assist you with:
- Personalized support
- Enrolling your patients into the me+™ program
- Providing a me+ starter kit and free product samples for your patients
Contact your me+ Concierge specialist at 1-877-585-0470
or email email@example.com
View the Convexity Solutions Detail Aid to learn more about our convex products.Read now
- DRG data 2015, in T5 markets: Japan, UK, USA, Germany, China.
- Rolstad, BS. Principles and techniques in the the use of convexity. Ostomy Wound Manage. 1996. 42(1); 24-32.
- Pontieri, Lewis V. Basics of ostomy care. Medsurg Nurs. 2006; 15(4): 199-202.
- Hanley, J. Convex stoma appliances: are we getting it right? British Journal of Nursing (Stoma Supplement). 2013; 22(16).
- Turnbull, GB. The convexity controversy. Ostomy Wound Manage. 2003; 49(1): 16-www.o-wm.com/article/1203. Accessed 29 Feb, 2016.
- Boyd, K. Clinical Protocols for Stoma Care – Use of convex appliances. Nursing Standard. 2004; 18(20): 37-38.
- Burch, 2011: Management of Stoma Complications. NursingTimes.net. 10 Nov 2011.