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Explore more information about influences of mesh porosity and other key parameters driving mesh performance.

Key parameters driving mesh performance

The importance of porosity and tissue ingrowth1-3

Pore size


Having large pores does not require having to accept low weight (surface density).


Tensile strength


Tensile strength (minimum) and surface density (weight) are correlated.



The ideal mesh

Meshes long term tolerance depends on their physical and mechanical properties

Macroporosity should reach 1.5 mm for optimal tissue ingrowth and shrinkage minimization4

The weight, as sole parameter, does not matter

  • † Based on preclinical animal data. Results may not correlate to performance in humans.

  • 1. Gonzalez R, Fugate K, McClusky D. Relationship between tissue ingrowth and mesh contraction. World J Surg. 2005;29(8):1038– 1043.

  • 2. Mühl T, Binnebösel M, Klinge U, Goedderz T. New objective measurement to characterize the porosity of textile implants. J Biomed Mater Res B: Appl Biomater. 2008;84(1):176–183.

  • 3. Lake SP, Ray S, Zihni AM, Thompson DM Jr, Gluckstein J, Deeken CR. Pore size and pore shape – but not mesh density – alter the mechanical strength of tissue ingrowth and host tissue response to synthetic mesh materials in a porcine model of ventral hernia repair. J Mech Behav Biomed Mater.2015;42:186–197.

  • 4. Weyhe D, Cobb W, Lecuivre J, et al. Large pore size and controlled mesh elongation are relevant predictors for mesh integration quality and low shrinkage – systematic analysis of key parameters of meshes in a novel minipig hernia model. Int J Surg. 2015 Oct;22:46-53.