Variable-direction implanting repair screwdriver assembly with telescopic rod

Abstract

The invention provides a variable-direction implanting repair screwdriver assembly with a telescopic rod. The variable-direction implanting repair screwdriver assembly comprises a screwdriver handle shell, an angle adjustment mechanism, a first screwdriver rod, a second screwdriver rod and a screwdriver head; the first screwdriver rod and the second screwdriver rod form a telescoping rod structure; an adjustment unit of the angle adjustment mechanism includes a rotating shaft extension block, two screwdriver handle core parts, four gears and corresponding gear rotating shafts; the two screwdriver handle core parts rotate in a hinged mode through a rotary knob; the first screwdriver handle core part includes a first gear and a first gear rotating shaft; the second screwdriver handle core part includes a second gear, a third gear, a fourth gear and corresponding rotating shafts; the two ends of the first gear rotating shaft are connected to the rotating shaft extension block and the first gear correspondingly, the rotating shaft extension block is arranged in a non-circular channel; the first gear, the second gear, the third gear and the fourth gear mesh one another in order, the purpose of personalized adjustment of the working angle is achieved, and it is ensured that the operations such as taking, putting, installing and disassembling a heinging plug and other repair parts inan intraoral backteeth area are not affected by intraoral soft and hard tissues when the operations are carried out in the intraoral backteeth area.

Description

technical field [0001] The invention relates to an implant restoration tool with a telescopic rod and a direction-changing operation after changing the angle, in particular to a variable-direction implant repair screwdriver assembly with a telescopic rod to relieve the obstruction of intraoral vision and operation space. Background technique [0002] At present, the known implant restoration screwdriver is a rigid and non-deformable hand instrument. The cutter head fits in the screw hole of the prosthetic part, the handle is the hand-held part of the operator, the rod connecting the two is a straight rod, the working direction is limited to the direction of the rod, and the repair part can be completed on the screw hole of the implant. Pick and place and twist tight work. However, many patients are limited by soft and hard tissues in the mouth, and there is only a very small operating space and field of view. Generally, the traditional straight screwdriver cannot adapt to ...

AI Technical Summary

Problems solved by technology

[0003] In order to overcome the shortage that the existing traditional screwdriver cannot adapt to the narrow repair space in the mouth, the present invention provides a variable-direction implant repair screwdriver assembly with a telescopic rod. The screwdriver can not only change the working length to adapt to the patient's mouth opening and interjaw height In addition, it can transfer the knife handle held by the operator from the dentition to the natural oral cavity with a large operating space, avoiding the obstruction of the soft and hard tissues in the patient's mouth to the operator's hand-held part, and adapting to the implant restoration work in the mouth. need

Images