Trocar for performing minimal-invasive surgery (MIS), used in urology field, has central portion provided along longitudinal axis that is supported by bearing portion

摘要

The trocar (8) has a main portion that is provided on body surface (4) of patient (2) and bearing portion (10) that is provided with central portion (12). The central portion is provided with passages along longitudinal axis passing through instruments (16a-16c). The central portion provided along longitudinal axis is supported by bearing portion.