onlay

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English[edit]

Etymology[edit]

From on- +‎ lay. Compare Middle English onleien, onleggen (to lay or place; impose; attack).

Noun[edit]

onlay (plural onlays)

  1. A material placed such that it overlaps another
    • 2015, Evangelos P. Misiakos et al., “Current Trends in Laparoscopic Ventral Hernia Repair”, in JSLS : Journal of the Society of Laparoendoscopic Surgeons[1], volume 19, DOI:10.4293/JSLS.2015.00048:
      Further research is needed to show the superiority of the technique in recurrence rate or postoperative pain, so as to justify the use of such expensive procedures. 62 Despite the extensive use of LVHR in daily surgical practice, the open approach is preferred in the following cases: Umbilical hernias in many centers are best managed with the use of polypropylene mesh placed in the onlay position or Ventralex-type mesh (Bard Davol) placed intraperitoneally in patients under local anesthesia in a day-surgery setting. 63, 64 For very large, nonreducible hernias and strangulated hernias, especially when there is gangrenous bowel, open repair is indicated. 27 The presence of intestinal ischemia and necrosis, with or without bowel perforation, renders the surgical field septic, and therefore the use of mesh is contraindicated, at least in the first operation ( Figure 2 ).

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