A Medical Instrument (100),Mango (110) comprising: a Housing a First structure (210) located adjacent to the handle (110) and which has a slot in a Spiral to a Ball (810) and a slot substantially LIneal for a pin (1150) a Second Housing structure (160) located adjacent to the first Housing structure (210) and which has a substantially linear slot for a pin (1150) if the first accommodation (210) has a slot for a Spiral Ball (810) and has a Spiral Groove to a Ball (810) if the first accommodation (210) has a slot sustancialmenYou Pin to a linear (1150) and at least one pin (150) located in the spiral slot to a Ball (810) for the linear slot and a pin (1150),Being configured at least one pin (150) to move the Ball to a Spiral slot (810) for the linear slot and a pin (1150), where a rotating Movement of the handle (110)It is through the first accommodation structure (210) and the second accommodation structure (160),Transformed into a linear Drive Movement of at least one pin (150) in a radial direction outwards from a central longitudinal axis and out of the Outer radial Surface dThe instrument.Un instrumento médico (100), comprendiendo: un mango (110) una primera estructura de alojamiento (210) situada adyacente al mango (110) y que tiene una de una ranura en espiral para una bola (810) y una ranura sustancialmente lineal para un pasador (1150) una segunda estructura de alojamiento (160) situada adyacente a la primera estructura de alojamiento (210) y que tiene una ranura sustancialmente lineal para un pasador (1150) si el primer alojamiento (210) tiene una ranura en espiral para una bola (810) y que tiene una ranura en espiral para una bola (810) si el primer alojamiento (210) tiene una ranura sustancialmente lineal para un pasador (1150) y al menos un pasador (150) situado en la ranura en espiral para una bola (810) y la ranura lineal para un pasador (1150), estando configurado al menos un pasador (150) para desplazarse en la ranura en espiral para una bola (810) y
