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Preparation method of surgical implant zirconium and zirconium alloy material

A technology of surgical implantation and zirconium alloy, which is applied in the field of preparation of surgically implanted zirconium and zirconium alloy materials, can solve problems such as allergic reactions and toxic reactions, and achieve good bone conductivity, high specific strength, and excellent biocompatibility. Effect

Active Publication Date: 2017-03-08
宝鸡金隆钒钛金属材料有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to provide a preparation method for surgically implanting zirconium and zirconium alloy materials, which solves the problem that the existing prepared iliac joints are prone to allergic reactions and toxic reactions

Method used

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Examples

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Effect test

preparation example Construction

[0016] The preparation method of surgically implanted zirconium and zirconium alloy materials of the present invention is specifically implemented according to the following steps:

[0017] Step 1, select Nb 3-8%, Fe 15-20%, Mo≤9% according to the mass percentage, and the rest is atomic-level sponge zirconium, and the total amount of the above components is 100%; at the same time, the mass percentage content of impurity element oxygen is guaranteed ≤0.16%, hydrogen mass percentage content ≤0.0025%, nitrogen mass percentage content ≤0.0065%;

[0018] Step 2, the alloy elements obtained in step 1 are made into electrode blocks with a thousand-ton oil press, vacuum-welded with electrodes, and then put into a vacuum consumable electrode electric arc furnace and smelted three times in a high-graphite crucible before peeling; the process parameters of smelting For: the crucible ratio is 0.63~0.88d / D, the melting vacuum is 10 -2 ~10 -3 mmHg, the melting voltage is 30-42 volts, the ...

Embodiment 1

[0024] Step 1, select Nb 3%, Fe 18%, Mo 9% according to the mass percentage, and the rest is atomic level zirconium sponge, the total amount of the above components is 100%; at the same time, ensure that the mass percentage content of impurity elements oxygen is ≤0.16%, hydrogen Mass percentage content ≤ 0.0025%, nitrogen mass percentage content ≤ 0.0065%;

[0025] Step 2, the alloy elements obtained in step 1 are made into electrode blocks with a thousand-ton oil press, vacuum-welded with electrodes, and then put into a vacuum consumable electrode electric arc furnace and smelted three times in a high-graphite crucible before peeling; the process parameters of smelting For: crucible ratio is 0.70d / D, melting vacuum is 10 -2 mmHg, the melting voltage is 40V, the melting current is 370A, and the melting coefficient is 1.2kg / kAmin;

[0026] Step 3, the zirconium alloy ingot after smelting and peeling is opened, heated to 700°C in an electric furnace for deformation, and a bar f...

Embodiment 2

[0030] Step 1, select Nb 5%, Fe 20%, Mo 7% according to the mass percentage, and the rest is atomic-level sponge zirconium, the total amount of the above components is 100%; at the same time, ensure that the mass percentage content of impurity elements oxygen is ≤0.16%, hydrogen Mass percentage content ≤ 0.0025%, nitrogen mass percentage content ≤ 0.0065%;

[0031] Step 2. Use a thousand-ton oil press to make electrode blocks from the alloy elements obtained in step 1, vacuum weld them with electrodes, and then put them into a vacuum consumable electrode arc furnace and smelt them three times in a high-graphite crucible before peeling off; the process parameters of smelting For: crucible ratio is 0.80d / D, melting vacuum is 10 -3 mmHg, the melting voltage is 35V, the melting current is 300A, and the melting coefficient is 0.9kg / kAmin;

[0032] Step 3, the zirconium alloy ingot after smelting and peeling is opened, and heated to 750°C by electric furnace for deformation by swag...

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Abstract

The invention discloses a surgical department implantation zirconium and zirconium alloy material preparation method. According to mass percents, 3-8% of Nb, 15-20% of Fe, smaller than or equal to 9% of Mo and the balance of atomic energy level sponge zirconium are selected; after electrode vacuum welding is carried out, smelting is carried out for three times, and peeling is carried out; cogging and deformation are carried out; then straightening and polishing are carried out through annealing, quenching and quenching aging in sequence; and finally, processing is carried out by a lathe according to dimensions to obtain a surgical department implantation zirconium and zirconium alloy material. The surgical department implantation zirconium and zirconium alloy material prepared by the surgical department implantation zirconium and zirconium alloy material preparation method has the advantages that the biocompatibility, the blood compatibility and the mechanical compatibility are excellent; the density is small; the specific strength is high; the corrosion resistance is strong; the high-temperature resistance is strong; nontoxicity and nonmagnetic performance are realized; the radiation resistance is realized; the stress shielding is reduced; the articular biomechanical property is greatly improved; the host reaction is avoided; the osteoconduction is good; and the elasticity and the modulus are small, and are approximate to those of a natural bone.

Description

technical field [0001] The invention belongs to the technical field of medical equipment orthopedic products, and relates to a preparation method of surgically implanted zirconium and zirconium alloy materials. Background technique [0002] The existing commonly used artificial iliac joints and other artificial joints usually use the following implant materials: 1) stainless steel for surgical implants, 2) titanium and titanium alloys for surgical implants, 3) surgical implants Cobalt, chromium, molybdenum alloys. [0003] Stainless steel (GB4243 standard) 00Gr 18 Ni 14 Mo 3 N and 00Gr 18 Ni 16 Mo 3 N is used to make iliac joints. Due to the toxic elements Cr, Ni, Mn, etc. in stainless steel, it is more likely to cause allergic reactions and toxic reactions than metal ions. Iliac joints and other artificial joints made of cast cobalt, chromium, and molybdenum alloys (GB17100 and ISD5832 standards) also contain toxic elements such as Cr, Ni, Mn, etc., which can cause b...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C22C1/02C22C16/00
Inventor 李享翟丽君郭嘉昕
Owner 宝鸡金隆钒钛金属材料有限公司