Patent ID: 9186221
Filing Date: 2015-11-17
Classification: A61B,Y10T

Abstract:
1. A medical instrument comprising: a first mechanism attached to a first cable and a second cable and operable to pull in one of the first and second cables while simultaneously feeding out another of the first and second cables; a second mechanism attached to a third cable and a fourth cable and operable to pull in one of the third and fourth cables while simultaneously feeding out another of the third and fourth cables; a rocker arm comprising a first pivot about which a portion of the first mechanism rotates and a second pivot about which a portion of the second mechanism rotates; and a chassis on which the rocker arm is mounted for rotation about an axis, wherein a rotation of the rocker arm about the axis in a first direction pulls in at least one of the first and second cables and feeds out at least one of the third and fourth cables.