Degradable porous iron-based bone fracture plate and additive manufacturing method thereof

A technology of additive manufacturing and bone plate, applied in the direction of additive manufacturing, additive processing, outer plate, etc., can solve the problems of high elastic modulus, slow degradation rate, etc., achieve accelerated degradation, good biocompatibility, increase specific The effect of surface area

Pending Publication Date: 2019-08-23
南通罗伯特医疗科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, iron and iron-based alloys as bone plate materials need to solve the problems of high elastic modulus and slow degradation rate

Method used

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  • Degradable porous iron-based bone fracture plate and additive manufacturing method thereof
  • Degradable porous iron-based bone fracture plate and additive manufacturing method thereof
  • Degradable porous iron-based bone fracture plate and additive manufacturing method thereof

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Embodiment Construction

[0035] Below in conjunction with specific embodiment, further illustrate the present invention. It should be understood that these examples are only used to illustrate the present invention and are not intended to limit the scope of the present invention. In addition, it should be understood that after reading the teachings of the present invention, those skilled in the art can make various changes or modifications to the present invention, and these equivalent forms also fall within the scope defined by the appended claims of the present application.

[0036] Embodiments of the present invention relate to a degradable porous iron-based bone plate, such as figure 1 and figure 2 As shown, it includes a main body part 1 and a side wing part 2 . Wherein, the main part 1 is used to fit the bones of the fracture site, which is a porous unit cell structure array composed of a plurality of fine cylinders, the diameter of the fine cylinders is 0.3-1.5mm, and the diameter of the fin...

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Abstract

The invention relates to a degradable porous iron-based bone fracture plate and an additive manufacturing method thereof. The bone fracture plate comprises a main body part and side wing parts, wherein the main body part is of a porous unit cell array structure formed by a plurality of fine cylinders and is used for fitting the bone at a fracture part; the side wing parts are arranged on both sides of the main body part to fix the main body part to the bone at the fracture part. The bone fracture plate has a proper in-vivo degradation rate, a great mechanical property and high biocompatibilityand cannot cause toxic damage to the human body, and there is no need to conduct secondary operations to take out the bone fracture plate.

Description

technical field [0001] The invention relates to the technical field of medical bone plates, in particular to a degradable porous iron-based bone plate and an additive manufacturing method thereof. Background technique [0002] At present, medical metal materials have been widely used in orthopedic repair operations. As a common product, metal bone plate, its core function is to fix and connect the patient's bone injury site, and provide mechanical support for the patient's daily life and simple rehabilitation exercises. It also promotes bone healing and bone repair processes. The traditional bone plate uses stainless steel, titanium alloy and other metals as raw materials, which are not degradable in the human body. In the later stage of bone repair, a second operation is required to remove it. There is a certain surgical risk for the patient, and it may affect the subsequent bone repair process. . In addition, the biocompatibility of some traditional bone plates is not id...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61L31/02A61L31/08A61L31/14A61B17/80B22F3/105B33Y10/00B33Y80/00
CPCA61L31/148A61L31/146A61L31/022A61L31/08A61B17/80B33Y10/00B33Y80/00A61B2017/568B22F10/00B22F10/62B22F10/40B22F10/28Y02P10/25
Inventor 张超群叶欣柴岗张艳徐海淞
Owner 南通罗伯特医疗科技有限公司
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