Handle assembly for endoscopic suturing device

摘要

A handle assembly for operating an articulatable surgical instrument is provided and includes a housing; an actuation shaft translatably and rotatably supported in the housing; a first trigger supported on the housing and connected to the actuation shaft, the first trigger being configured to translate the actuation shaft to operate a first function of the surgical instrument; a second trigger supported on the housing and connected to the actuation shaft, the second trigger being configured to rotate the actuation shaft to operate a second function of the surgical instrument; and a second-trigger release supported in the housing, the second-trigger release having a first position blocking actuation of the second trigger and a second position permitting actuation of the second trigger, where the second-trigger release is actuated from the first position to the second position upon and complete actuation of the first trigger.

主权项

1. A handle assembly for operating a surgical instrument, the handle assembly comprising:
a housing; an actuation shaft translatably and rotatably supported in the housing, the actuation shaft defining a longitudinal axis; an articulation assembly supported on the housing for effectuating an articulation of an end effector operatively connected to the housing, the articulation assembly being operable to effect articulation of the end effector in a first pair of opposed directions and a second pair of opposed directions which is substantially transverse to the first pair of opposed directions; a first trigger supported on the housing and connected to the actuation shaft, the first trigger translating the actuation shaft, upon an actuation of the first trigger, to operate a first function of the surgical instrument; a second trigger supported on the housing and connected to the actuation shaft, the second trigger rotating the actuation shaft about the longitudinal axis thereof, upon an actuation of the second trigger, to operate a second function of the surgical instrument; and a second-trigger release supported in the housing, the second-trigger release having a first position blocking actuation of the second trigger and a second position permitting actuation of the second trigger, where the second-trigger release is actuated from the first position to the second position upon complete actuation of the first trigger.