SURGICAL INSTRUMENT FOR COAGULATION, CAPTURE AND DISSECTION OF BIOLOGICAL TISSUE Russian patent published in 2022 - IPC A61B17/28 A61B17/32 A61B18/12 

FIELD: medical equipment.

SUBSTANCE: invention relates to medical equipment, namely to a surgical instrument for coagulation, capture, and dissection of biological tissue. The surgical instrument for coagulation, capture, and dissection of biological tissue has the first working body with the first branch and with the second branch, of which at least one branch is installed with the possibility of rotary movement, a rod, which has a distal end, on which the first working body is retained, a pulling/pushing element, which, for being closed with the branch, by means of a connecting structure, is connected to at least one branch installed with the possibility of rotary movement. A connection between the pulling/pushing element and the branch installed with the possibility of rotary movement has a drive trunnion and a connecting groove, first of all a crank groove. The drive trunnion, for connection of the branch installed with the possibility of rotary movement to the pulling/pushing element, is engaged with the connecting groove by means of a sleeve, which is installed with the possibility of rotation on the drive trunnion. The sleeve has a bottom.

EFFECT: invention is characterized by that, due to the presence of a sleeve, plastic abrasion deformations on a drive trunnion, or a connecting groove, or a crank groove, which can cause damage to convenience of maintenance of the first working body, are prevented or reduced, wherein a bottom of the sleeve increases the resistance of the sleeve.

12 cl, 10 dwg