An Assembled Memory Alloy Bone Plate

Abstract

The invention discloses an assembled type memory alloy bone fracture fixation plate. The assembled type memory alloy bone fracture fixation plate comprises a long-strip-shaped bone fracture fixation main plate and at least two surrounding arms, wherein positioning grooves matched with the surrounding arms are formed in the outer surface of the bone fracture fixation main plate along the width direction; an inward concave notch is formed in the position, located on the positioning grooves, of the side surface of a long edge of the bone fracture fixation main plate; upward convex positioning convex heads, which are close to the edges of the positioning grooves, are formed in the two sides of the positions of the two end parts of the positioning grooves; a clamping plate is formed in the bone fracture fixation main plate at the position of the notch; an inner clamping plate is formed on the bone fracture fixation main plate and located in the middle positions of the positioning grooves; a fixed convex head is formed on the lower surface of the inner clamping plates; each surrounding arm is composed of a memory alloy arm plate and a titanium alloy arm plate; one end of the memory alloy arm plate is a trapezoid connection part with a wide outer end and a narrow inner end; a trapezoid hole is formed in the trapezoid connection part; chucks which are matched and clamped with two sides of the trapezoid connection part are formed on the two sides of one end of the titanium alloy arm plate. The assembled type memory alloy bone fracture fixation plate has a firm and reliable structure after being mounted and is convenient to detach.

Description

technical field [0001] The invention belongs to the field of medical equipment, and in particular relates to the technical field of bone plate structure. Background technique [0002] Most of the existing assembled memory alloy bone plates have a one-piece structure. Multiple arms are integrally connected to a main board. When using, the bone plate is first cooled to make it bendable and deformable. It restores the original state, is easy to use, and greatly shortens the time of osteosynthesis. However, the overall volume of this type of bone plate is relatively large. When taking out the bone plate, a large surgical incision needs to be made, which increases the pain of the patient. The main board is separated, and the embracing arms are fixedly connected to the main board after the shape of the embracing arms is restored. In this way, each embracing arm can be taken out separately when taking out the bone plate. The effect is not ideal. Contents of the invention [00...

AI Technical Summary

Problems solved by technology

However, the overall volume of this type of bone plate is relatively large. When taking out the bone plate, a large surgical incision needs to be made, which increases the pain of the patient. The main board is separated, and the embracing arms are fixedly connected to the main board after the shape of the embracing arms is restored. In this way, each embracing arm can be taken out separately when taking out the bone plate. Unsatisfactory effect

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