What do systematic reviews say?

Radially expanding (STEP) trocars for primary port entry vs standard (non‐expanding) trocars

It is very uncertain whether radially expanding (STEP) trocars for primary port entry changes visceral injury (bladder or bowel) compared with standard (non‐expanding) trocars (very low certainty).

• Laparoscopic entry techniques 2019 · Cochrane Headline outcomes only
  Peto OR 0.13 [0, 6.37]
  2 studies · 331 participants
  Very low