| 摘要 |
A laparoscopic instrument (1) including a grip (2) provided with an actuator (3) which can effect, through a linkage (5), the manipulation of an effector (9) placed at a first end portion of a tubular element (7), the tubular element (7) being attached to the grip (2) of the instrument (1), in which there is arranged a ratchet mechanism, in which a pawl (24) is arranged to cooperate with a substantially complementary ratchet bar (22), teeth of the pawl (24) being arranged to be activated or deactivated for engaging teeth of the ratchet bar (22), by means of a connection switch (26,) and the connection switch (26) being connected to the pawl (24) of the ratchet mechanism (20) via a flexible element (28).
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