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Preparation method of bone cement powder

A bone cement and powder technology, applied in the field of bone cement, can solve the problems of reducing mechanical properties and achieve the effect of improving mechanical properties

Active Publication Date: 2017-12-19
BEIJING AKEC MEDICAL
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] The main purpose of the present invention is to provide a preparation method of bone cement powder to solve the problem in the prior art that the mechanical properties of the bone cement are reduced due to the aggregation of radiopaque materials into clusters, which leads to the encapsulation of lumps of developer

Method used

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Embodiment Construction

[0015] It should be noted that, in the case of no conflict, the embodiments in the present application and the features in the embodiments can be combined with each other. The present invention will be described in detail below in conjunction with examples.

[0016] In this embodiment, the ingredients of the bone cement powder include radiopaque materials, and the preparation method of the bone cement powder includes: step S1, dispersing the ingredients in a solvent to obtain a mixed solution; step S2, performing the mixed solution on the mixed solution Spray drying treatment. The radiopaque material and other ingredients are dispersed into the solvent to obtain a mixed solution, and then the mixed solution is dried to obtain a bone cement powder. The radiopaque material can be evenly distributed in the bone cement powder, which solves the problems in the prior art. The aggregation of radiopaque materials into clusters leads to the encapsulation of lumps of contrast agent in ...

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Abstract

The invention provides a preparation method of bone cement powder. The raw materials of the bone cement powder include radiopaque materials. The preparation method includes the steps of S1, dispersing the raw materials in solvent to obtain mixed liquid; S2, performing spraying drying on the mixed liquid. The method has the advantages that the radiopaque materials and other raw materials are dispersed into the solvent to obtain the mixed liquid, the mixed liquid is dried to obtain the bone cement powder, the radiopaque materials are evenly distributed in the bone cement powder, the problem that mechanical property is lowered due to that fact that the radiopaque materials gather and cluster and bone cement wraps block developing agent in the prior art is solved, and mechanical property is increased evidently.

Description

technical field [0001] The invention relates to the field of bone cement, in particular to a preparation method of bone cement powder. Background technique [0002] Bone cement compositions are widely used all over the world as filling agents for bone defects or as adhesives for fixing metal artificial joints such as artificial bone joints and surrounding bones. As such bone cement compositions, most Polymethyl methacrylate (PMMA)-based bone cement compositions are commonly used. In order to allow monitoring of the artificial joint at the time of implantation or during the following years, the bone cement used usually contains an X-ray-absorbing substance, ie a radiopaque material such as barium sulfate or zirconium dioxide. Generally, the radiopaque material is added to the powder in the finished bone cement composition, which makes it difficult for the radiopaque material to be uniformly distributed in the powder in the cement composition. At the same time, due to the pr...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A61L27/16A61L27/50A61L24/06
Inventor 王刚
Owner BEIJING AKEC MEDICAL
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