A shaping method of titanium alloy medical internal fixation plate

Abstract

The invention discloses a shaping method of a titanium alloy medical internal fixation plate, comprising: step 1, obtaining a three-dimensional virtual model of bone tissue of a target patient; The bending shape of the combined virtual internal fixation plate; step 3, extract the spatial feature information of the bending shape of the virtual internal fixation plate obtained in step 2, and use the obtained spatial feature information to drive the collet of the bending mechanism to align the titanium alloy internal fixation plate The actual body of the standard part is bent to obtain a titanium alloy medical internal fixation plate that can be used for the target patient. The invention can improve the bending efficiency and fitting precision of the titanium alloy medical internal fixation plate, reduce repeated bending, avoid metal fatigue, shorten preoperative preparation time, and reduce operation preparation cost.

Description

technical field [0001] The invention relates to the technical field of medical devices, in particular to a shaping method of a titanium alloy medical internal fixation plate. Background technique [0002] Due to traffic accidents, falls, bumps and other traumatic factors, human bone tissue will be broken, fragmented or partially lost. Bone tissue lesions (benign and malignant tumors, etc.) can cause bone tissue morphology destruction or loss of function, and medical personnel have to incise or resect the lesioned bone tissue during disease treatment, which results in the destruction of bone tissue continuity. The incompleteness of bone tissue will affect the corresponding functions of the human body. For example, the incompleteness of the jaw not only affects the beauty of the patient's face, but also directly affects the patient's chewing, speech and other functions, affecting the patient's physical and mental health. [0003] For the defect or loss of bone tissue, it is n...

AI Technical Summary

Problems solved by technology

[0007] 1. Bending the titanium plate before the operation needs to make the target bone tissue printing model entity of the patient. Before the doctor bends the titanium alloy internal fixation plate, there is no suitable way to know the bending shape of the titanium alloy internal fixation plate, and can only rely on the operation experience, so it takes longer

Preoperative high-precision bending takes an average of nearly 2 hours; if it is bent quickly during the operation, the fitting accuracy with the target bone tissue will be extremely low

[0008] 2. Since the bending shape information of the titanium alloy internal fixation plate cannot be predicted, in actual operation, the titanium alloy internal fixation plate will be repeatedly bent and adjusted. Once the metal fatigue breaks, the titanium alloy plate will be invalid, and the price of medical titanium alloy is high , material waste due to accidental breakage;

[0009] 3. After the target bone tissue is scanned, 3D model printing is required, which increases the preparation time, and the cost of 3D printing is relatively high

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