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TC4ELI titanium alloy for ultrasonic scalpel and production method of titanium alloy bar

A production method and scalpel technology, which is applied in the field of medical titanium alloys, can solve the problems of short fatigue life and knife breakage of TC4 titanium alloys, and achieve the effects of improving mechanical properties at room temperature, avoiding knife breakage, and improving ultra-high cycle fatigue

Pending Publication Date: 2021-10-22
西安圣泰金属材料有限公司
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  • Abstract
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  • Application Information

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Problems solved by technology

[0004] The invention provides a production method of TC4ELI titanium alloy and titanium alloy rods used for ultrasonic scalpels, which solves the technical problem of TC4 titanium alloys being broken during surgery due to short fatigue life

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  • TC4ELI titanium alloy for ultrasonic scalpel and production method of titanium alloy bar

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Embodiment Construction

[0034] The preferred embodiments of the present invention will be described below in conjunction with the accompanying drawings. It should be understood that the preferred embodiments described here are only used to illustrate and explain the present invention, and are not intended to limit the present invention.

[0035] The embodiment of the present invention provides a TC4ELI titanium alloy for ultrasonic scalpel, which contains AL: 5.5-6.5%, V: 3.5-4.5%, Fe: 0.15-0.25%, Si: 0.1-0.5% by weight percentage %, O: 0.08-0.13%, C: 0-0.05%, N: 0-0.03%, H: 0-0.005%, and the rest are inevitable impurity elements in Ti and titanium sponge; the sum of the contents of the above components is 100%. Adding a small amount of Si element can improve the high temperature performance and creep resistance of the alloy.

[0036] Preferably, by weight percentage, containing AL: 6.12%, V: 4.01%, Fe: 0.17%, Si: 0.12%, O: 0.10%, C: 0.027%, N: 0.005%, H: 0.0017%, and the rest It is an inevitable i...

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Abstract

The invention belongs to the technical field of medical titanium alloy bars, and provides a TC4ELI titanium alloy for an ultrasonic scalpel and a production method of the titanium alloy bar. The TC4ELI titanium alloy specifically comprises the following material chemical components: 5.5-6.5% of Al, 3.5-4.5% of V, 0.15-0.25% of Fe, 0.1-0.5% of Si, 0.08-0.13% of O, 0-0.05% of C, 0-0.03% of N, 0-0.005% of H, and the balance of Ti and inevitable impurity elements in titanium sponge. The raw materials are subjected to three times of vacuum consumable smelting, so that the components are uniform and consistent without internal defects. The blank is subjected to a series of later hot working and heat treatment, and the performance meets the performance requirement of the ultrasonic scalpel. According to the method, the steps of composition, hot working and heat treatment are controlled step by step, the titanium alloy bar with the best matching strength, plasticity, toughness and fatigue performance is prepared, the ultra-high cycle fatigue of the ultrasonic scalpel is improved, the service life is prolonged, the scalpel breaking phenomenon in the operation process is avoided, and the method has wide application prospects.

Description

technical field [0001] The invention relates to the technical field of medical titanium alloys, in particular to a production method of TC4ELI titanium alloys and titanium alloy rods used for ultrasonic scalpels. Background technique [0002] At present, the working principle of the ultrasonic scalpel is to convert the electric energy provided by the ultrasonic generator into high-frequency mechanical vibration through the ultrasonic transducer, and then amplify the amplitude of the mechanical vibration through the ultrasonic horn, and the amplified mechanical vibration is transmitted to the transformer. The knife rod connected with the radial rod and the end part finally realize the function of cutting tissue by contacting the biological tissue. The ultrasonic scalpel has the characteristics of low frequency, large amplitude, and continuous operation. It also has the advantages of high precision, neat surgical incision, fast hemostasis, small thermal burn area, and less smo...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C22C14/00C22F1/18B21C37/04C22C1/02
CPCC22C14/00C22C1/02B21C37/04C22F1/183
Inventor 贺峰曹继敏樊亚军罗乾伟石金虎王戈
Owner 西安圣泰金属材料有限公司
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