The utility model discloses an
endoscope instrument angle locking device, which belongs to the technical field of
endoscope instruments, and comprises a
handle part, one end of the
handle part is rotatably connected with a clamp tube, the outer side of the right end of the clamp tube is sleeved with an adjusting block, and the left end of the clamp tube is provided with a clamp head; the
endoscope instrument angle locking device further comprises a fixing base fixed to the top of the
handle part. According to the angle locking device for the endoscope instrument, after the angle of the clamp head is adjusted, the drive plate is loosened to rotate and reset under the stored force of the
torsion spring, meanwhile, the rack moves rightwards to reset under the elastic force of the first reset spring and drives the meshed driving gear to rotate reversely, and the driving gear drives the meshed limiting block to move leftwards; therefore, the angle of the clamp head after rotation can be locked, and the situation that when the clamp head stretches into the
pleuroperitoneal cavity for operation, the angle is likely to change, and the
surgical operation of a doctor is affected is avoided.