Three-dimensional (3D) printing head for biological composite material

A composite material, 3D printing technology, applied in the field of 3D printing, to achieve the effect of improving mechanical properties and reducing risks

Active Publication Date: 2018-08-10
XINJIANG UNIVERSITY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] In order to achieve the above-mentioned multi-material simultaneous printing requirements through 3D printing, it is necessary to print three different materials in the form of molten degradable polymers, ceramic powder particles, and solid fibers at the same time. Simultaneous printing of these three different forms of materials cannot be achieved

Method used

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  • Three-dimensional (3D) printing head for biological composite material
  • Three-dimensional (3D) printing head for biological composite material
  • Three-dimensional (3D) printing head for biological composite material

Examples

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Embodiment Construction

[0014] In order to facilitate the description in the invention, the description of the relative positional relationship of the devices is based on the description attached to the description. figure 2 For example, the positional relationship of up, down, left, right, front, back, inside, outside, etc. is based on the attached figure 2 determined by the layout direction.

[0015] The present invention will be described in further detail below in conjunction with the embodiments and accompanying drawings.

[0016] Examples, see attached figure 1 And attached figure 2 , a 3D printing nozzle for biocomposite materials, comprising: a push rod 1, a coaxial heating jacket 2, a wire feeding tube 4, a thermocouple 5, a mixing extrusion head 6, a powder feeding tube 7, and an electric heating tube 10. The mixing extrusion head 6 of the nozzle is connected with the coaxial heating jacket 2 through threads, and the push rod 1 is installed in the inner hole 201 of the feeding chamber...

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PUM

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Abstract

The invention relates to a three-dimensional (3D) printing head for a biological composite material. The 3D printing head for the biological composite material comprises a push rod, a coaxial heatingjacket, a wire feeding pipe, a thermoelectric couple, a mixed extrusion head, powder feeding pipes and electric heating pipes. The mixed extrusion head is connected with the coaxial heating jacket through a screw thread; the push rod is arranged in an inner hole of a feeding cavity of the coaxial heating jacket; a degradable polymer is filled in an inner hole of the feeding cavity; and the three electric heating pipes are arranged on the coaxial heating jacket. The three powder feeding pipes and the wire feeding pipe are arranged on the mixed extrusion head; and the thermoelectric couple is arranged on an outer wall of the thermoelectric couple. The printing head can be used for manufacturing a 3D printing piece made of the continuous fiber-reinforced degradable polymer-biological ceramiccomposite material, the mechanical performance and the bone binding force of the printing piece can be effectively improved, the degradation speed of the printing piece can be controlled, and the riskof aseptic inflammation can be reduced.

Description

technical field [0001] The invention relates to the technical field of 3D printing, in particular to a printing nozzle for 3D printing of biological composite materials. Background technique [0002] 3D printing technology, also known as additive manufacturing technology, rapid prototyping technology, etc., is a general term for a technology that is directly driven by a 3D CAD model and rapidly manufactures a 3D physical entity of any complex shape through layer-by-layer accumulation. It has been successfully applied in many fields such as architecture and art. In the medical field, 3D printing technology has been used more and more in the medical field because of its ability to quickly "tailor-made" personalized substitutes and braces for patients. [0003] In terms of tissue engineering, degradable polymers are a very important class of materials. The characteristics of being absorbable and degradable in the body can avoid the problem that non-degradable materials such as...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B29C64/209B29C64/295B28B1/00B33Y30/00
CPCB28B1/001B33Y30/00B29C64/209B29C64/295
Inventor 阿依古丽·喀斯木乌日开西·艾依提
Owner XINJIANG UNIVERSITY
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