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Tailored Solutions for Visceral Surgery<br />
Effective porosity<br />
During incorporation the filaments are enclosed by an internal and external granuloma.<br />
When filament distance is too small there is a risk that the whole of the intervening space will be<br />
filled with scar tissue (closed pores). The scar plates that develop in this way cause patients great<br />
discomfort. Sufficiently large pores can prevent this.<br />
Monofilament<br />
Internal granuloma<br />
(cell-rich with giant<br />
foreign body cells)<br />
External granuloma<br />
(collagen-rich connective<br />
tissue capsule = scar)<br />
Thread distance < 1.0 mm<br />
Pores closed by scar tissue<br />
(“bridging”)<br />
14<br />
Textile porosity refers to the<br />
permeable component of a mesh<br />
before the body has reacted to the<br />
implant.
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