Estimating the Number
and Size of Sheets 

Approximate surface area per sheet of INTEGRA™
Bilayer Matrix Wound Dressing
2 x 2 inches = 25 sq. cm.
4 x 5 inches = 125 sq. cm.
4 x 10 inches = 250 sq. cm.
8 x 10 inches = 500 sq. cm.
Estimated number of INTEGRA™ Bilayer Matrix Wound
Dressing sheets needed per
adult anatomy
Face = 12, 8 x 10’s
Neck = 23, 4 x 10’s
Anterior trunk = 4, 8 x 10’s; 13, 4 x 10’s
Posterior trunk = 45, 8 x 10’s; 13, 4 x 10’s
Upper extremities = 34, 8 x 10’s; 14, 4 x 10’s
Buttocks = 24, 8 x 10’s
Lower extremities = 48, 8 x 10’s; 16, 4 x 10’s
Hands/feet = 13, 4 x 10’s; 13, 4 x 5’s