Novel beta type titanium alloy with antibacterial and bone-healing-promoting functions

Abstract

The objective of the invention is to provide a novel beta type titanium alloy material with antibacterial and bone-healing-promoting functions and a preparation method thereof. According to the invention, proper amounts of copper, silver and rare earth elements are added into a Ti-Mo alloy. The novel beta type titanium alloy material comprises the following chemical components, by mass, 15 to 25%of Mo, 1 to 15% of Cu, 0.2 to 1% of Ag and 0.02 to 0.1% of La, with the balance being Ti. The novel beta type titanium alloy material is subjected to special heat treatment, so elemental copper is enriched on the surface of the titanium alloy and elemental silver is dissolved in a matrix in a solid solution manner; and thus, the novel beta type titanium alloy material is endowed with a biomedicalfunction and can be extensively applied to medical clinical fields such as orthopedics departments and stomatology departments using a variety of titanium alloy medical apparatuses and instruments. The novel beta type titanium alloy material overcomes the problems that conventional medical titanium alloys used in clinical practice has potential toxicity; the elastic moduli of the medical titaniumalloys are not matched with the modulus of the human body; the medical titanium alloys incur bacterial infection or are poor in osteogenesis states after implantation; etc.

Description

technical field [0001] The invention relates to the field of medical titanium alloy materials, and specifically provides a novel β-type titanium alloy with antibacterial and bone healing functions. Background technique [0002] Since the 1940s, titanium alloys have been widely used in the field of medical metal materials. Compared with other medical metal materials, titanium alloy has the advantages of strong corrosion resistance, high specific strength, excellent biocompatibility, and low elastic modulus, so it has gradually become a metal medical treatment in the fields of oral restoration, orthopedic surgery, and implants. The preferred material for devices, such as bone trauma products (intramedullary nails, steel plates, screws, etc.), artificial joints (ceiling, knee, shoulder, ankle, elbow, wrist, knuckles, etc.), spinal orthopedic internal fixation systems, dental implants, Dental trays, orthopedic wires, interventional stents, artificial heart valves, etc. The dev...

AI Technical Summary

Problems solved by technology

This new type of titanium alloy can be widely used in the manufacture of various types of titanium alloy medical devices used in orthopedics, stomatology and other medical clinical fields. Bacterial infection and poor osteogenic function after implantation

Images