Multi-connecting-rod inner-transmission turbinate bone scissors

Abstract

The invention discloses a multi-connecting-rod inner-transmission turbinate bone scissors. The multi-connecting-rod inner-transmission turbinate bone scissors comprise a fixed rod, a tube base is arranged at the upper end of the fixed rod, a rotating scissoring tube is arranged at the end of the tube base, a rotating scissoring fixed blade is arranged at the end of the rotating scissoring tube, atube-base rotating scissoring rod is arranged in the rotating scissoring tube, one end of the rotating scissoring rod extends to the rotating scissoring fixed blade, the other end of the rotating scissoring rod extends through the tube base, a rotating scissoring movable blade is arranged at the end, close to the rotating scissoring fixed blade, of the rotating scissoring rod, and a gear located in the tube base is arranged on the rotating scissoring rod; a movable rod is arranged on one side of the fixed rod, the upper end of the fixed rod is hinged to the upper end of the movable rod, the end of the fixed rod and the end of the movable rod are each provided with a finger ring, a sliding groove is formed in the side, towards the movable rod, of the fixed rod, a sliding rod is arranged inthe sliding groove, a connecting rod is arranged between the sliding rod and the movable rod, the two ends of the connecting rod are hinged to the sliding rod and the movable rod respectively, and thesliding rod is connected with the gear through a rack. The multi-connecting-rod inner-transmission turbinate bone scissors has the advantages of being high in surgical efficiency and easy to operate,and is long in service life.

Description

technical field [0001] The invention belongs to the field of turbinate scissors, in particular to a multi-link internal transmission type turbinate scissors. Background technique [0002] The turbinate scissors are a medical device used in turbinate surgery. The turbinate scissors have a rotary shear blade, a rotary shear fixed blade and two finger loops. The finger loops are used to be passed through by the index finger and thumb. When the two When the finger rings are close to each other, the rotary shear moving blade and the rotary shear fixed blade are close to each other to cut the turbinate bone. Since the turbinate bone has a certain hardness, a large force is required to cut the turbinate bone, and a large force will be generated when the shearing is completed. Vibration may increase tissue damage, which is not conducive to postoperative recovery and reduces surgical efficiency. Moreover, the doctor's operating feel is not good. It is difficult to obtain effective fe...

AI Technical Summary

Problems solved by technology

[0002] The turbinate scissors are a medical device used in turbinate surgery. The turbinate scissors have a rotary shear blade, a rotary shear fixed blade and two finger rings. The finger rings are used to be passed through by the index finger and thumb for operation. When the finger rings are close to each other, the rotary shear moving blade and the rotary shear fixed blade are close to each other to cut the turbinate bone. Since the turbinate bone has a certain hardness, a large force is required to cut the turbinate bone, and a large force will be generated when the shearing is completed. The vibration may increase tissue damage, which is not conducive to postoperative recovery and reduces the efficiency of surgery. Moreover, the doctor's operating feel is not good. It is difficult to obtain effective feedback information according to the operating feel during the cutting process, and the operation is more difficult.

In addition, the rotary shear movable blade and the rotary shear fixed blade tend to open outward during cutting, which not only increases the resistance of the shear, which is not conducive to the doctor's operation, but also makes the wound formed by the shear irregular and increases tissue damage. It is not conducive to postoperative recovery and reduces the efficiency of surgery

Therefore, the existing turbinate scissors have the defects of low operation efficiency and difficult operation for operation.

Images