Bone block fixation device for comminuted proximal humerus fracture

Abstract

A bone fragment fixation device for comminuted proximal humerus fracture belongs to the technical field of orthopedic medical devices and is used for fixing multiple bone fragments of comminuted proximal humerus fracture. The technical solution is: the lower end of the intramedullary nail connecting rod has a thread to cooperate with the screw hole at the end of the intramedullary nail, the upper end of the intramedullary nail connecting rod is a rotating shaft, and one end of the horizontal rotating piece has a shaft hole and the upper end of the intramedullary nail connecting rod. The other end of the horizontal rotating piece is bent and connected to the upper end of the aiming plate. The aiming plate is parallel to the nail body of the intramedullary nail. There are guide holes on the plate surface of the aiming plate opposite to the intramedullary nail. Located between the intramedullary nail body and the surface of the aiming plate, the upper end of the bone plate is connected with a screw, and there is a vertical screw hole on the plate surface of the horizontal rotating plate, and the screw on the upper end of the bone plate is connected with the screw hole of the horizontal rotating plate . The invention can fix a plurality of fractured bone fragments at the proximal end of the humeral fracture in multiple directions and angles, and achieves a satisfactory reduction effect.

Description

technical field [0001] The invention relates to a device for fixing multiple bone fragments of comminuted proximal humeral fracture, belonging to the technical field of orthopedic medical devices. Background technique [0002] Proximal humerus fracture is a common fracture in clinical practice, and its incidence rate shows a rising trend, which is one of the difficulties in the current trauma orthopedic treatment. The classification of proximal humeral fractures is of great significance, which can guide treatment, judge prognosis, and facilitate communication among colleagues. Currently, the most commonly used classification is the Neer classification. Proximal humeral fractures mainly include four parts: the humeral head, the greater tuberosity, the lesser tuberosity, and the humeral shaft. The degree of displacement between these four fragments determines the Neer classification of the fracture. The principle of treatment for proximal humeral fractures is to strive for i...

AI Technical Summary

Problems solved by technology

This surgical plan can use minimally invasive techniques to reduce soft tissue damage, but it is difficult to reduce multiple bone fragments in comminuted fractures

[0006] At present, there is no better solution for comminuted fractures of the proximal humerus except open reduction and internal fixation with locking plates, and this traditional solution does not conform to the current development trend of minimally invasive surgery, so it is necessary to develop New technical solutions to improve surgical results, reduce patient pain, and provide technical support for the development of bone minimally invasive surgery

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