DEGREE-OF-FREEDOM REGULATING MECHANISM AND SURGICAL INSTRUMENT

Abstract: a degree-of-freedom regulating mechanism and a surgical instrument. the degree-of-freedom regulating mechanism comprises a handle, a drive unit group, and a differential mechanism. the differential mechanism comprises a first planetary gear train and a corresponding rotating mechanism. any two gears of the first planetary gear train are configured to independently rotate and are respectively coupled to a drive unit, and the differential mechanism can be switched between a locked state and a released state. when in a locked state, a driven wheel of the first planetary gear train and the corresponding rotating mechanism are fixed to each other in the rotation direction, such that the degree of freedom of the degree-of-freedom regulating mechanism is n−1. when in a released state, the driven wheel and the corresponding rotating mechanism can rotate independently, such that the degree of freedom of the degree-of-freedom regulating mechanism is n.

Inventors:

CPC Classification:

A61B34/71: {Manipulators operated by drive cable mechanisms}

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