RATCHET ELEMENT ON TISSUE SUTURING TRIGGER MECHANISM TO PREVENT PREMATURE JAW OPENING Russian patent published in 2017 - IPC A61B17/72 

FIELD: medicine.

SUBSTANCE: surgical instrument includes a housing, a hinge trigger mechanism and a ratchet assembly. The ratchet assembly may include a rotary ratchet connected to the trigger mechanism and a guard coupled to the housing. The rotary ratchet includes an inclined surface which disengages the ratchet from the guard. The releasing element is designed for selective disengagement of the ratchet assembly second element from the first element and includes a knob or a lever adapted to slide. The ratchet assembly includes the first element connected to the actuator and the second element connected to the housing. The assembly includes a locking element connected to the housing which selectively engages a plurality of teeth arranged on the actuator. Alternatively, the assembly may include a hinge guard connected to the actuator that engages one or more grooves formed in the housing.

EFFECT: improved tool.

20 cl, 18 dwg