MULTI-AXIAL PIVOT AND ROTARY SURGICAL INSTRUMENTS Russian patent published in 2018 - IPC A61B17/29 A61B18/14 

FIELD: medicine.

SUBSTANCE: surgical instrument comprises an end effector, a rod assembly proximally connected to the end effector and at least one active electrode. The end effector contains the first jaw element; the second jaw element; and a closing mechanism configured to move the first jaw element with respect to the second jaw element between an open position and a closed position. The rod assembly contains a pivot joint made with a possibility of independent swivel rotation of the end effector vertically and horizontally, and a rotary head joint, distal to the pivot joint. The rotary head joint is made with a possibility of independent rotation of the end effector. At least one active electrode is located on at least one of the first jaw element and the second jaw element. At least one active electrode is configured to supply RF energy to the tissue located between the first jaw element and the second jaw element in the closed position.

EFFECT: invention allows the surgeon to rotate the end effector without turning the rod assembly.

9 cl, 168 dwg