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Special ultrasonic 3D (Three Dimensional) printing equipment for artificial trachea and compound processing technology

An artificial trachea and 3D printing technology, applied in the directions of processing and manufacturing, additive processing, application, etc., can solve the problems of limiting the clinical application of artificial trachea, local infection, anastomotic dehiscence, etc. The effect of low cost and high printing efficiency

Pending Publication Date: 2018-07-06
XINXIANG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Since 1946, some foreign scholars have been devoting themselves to the animal experiment of artificial trachea, but studies have found that there are many complications such as local infection, anastomotic dehiscence, granulation formation, and tracheal displacement after the implantation of the artificial trachea, which limits the development of artificial trachea. clinical application of artificial trachea

Method used

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  • Special ultrasonic 3D (Three Dimensional) printing equipment for artificial trachea and compound processing technology
  • Special ultrasonic 3D (Three Dimensional) printing equipment for artificial trachea and compound processing technology
  • Special ultrasonic 3D (Three Dimensional) printing equipment for artificial trachea and compound processing technology

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Effect test

Embodiment 1

[0023] The artificial trachea 3D printing device of the present invention is made up of electronic part, printer and software, wherein electronic part includes system board, mainboard, motor driver board, temperature control board, heating tube, thermocouple, hot bed; The material drum and the guide rail are characterized in that X, Y, and Z three-dimensional guide rails are arranged on the printer body 15, and the X, Y, and Z direction guide rails are respectively arranged in three rows along their respective directions, and the X guide rails are respectively 4, 6, and 9; Y guide rails are 3, 5, 8 respectively; Z guide rails are 11, 12, 19 respectively. Each Y guide rail is connected to the machine body along the Y direction, each X guide rail is connected to the Y guide rail through a slider; each Z guide rail is connected to the X guide rail through a slider.

[0024] Y guide rail 5, Y guide rail 8, Y guide rail 3 move along the Y direction, X guide rail 6, X guide rail 9, ...

Embodiment 2

[0029] The artificial trachea process of the present invention is as follows:

[0030] Step 1: Establish the 3D digital printing model of the artificial trachea: According to the mechanical performance calculation and experimental test, and compare the mechanical properties of the human trachea, design the three-layer artificial trachea according to the material composition, three-layer structure, specific shape and size of the artificial trachea The thickness ratio between.

[0031] Step 2, preparing three 3D printing materials for 3D printing: collagen, carbon fiber, and silica gel.

[0032] Step 3, adjust and fix the installation positions of the two ultrasonic vibration devices on the ultrasonic movable workbench, adjust the vibration amplitude to 0.1mm, and adjust the vibration frequency to 20kHz.

[0033] Step 4: Import the 3D digital model of the artificial trachea into the printer, set up the printing process, print the outer layer of the artificial trachea with a 0.3...

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Abstract

The invention discloses special ultrasonic 3D (Three Dimensional) printing equipment for an artificial trachea and a compound processing technology and belongs to the field of processing of artificialorgans. According to the special ultrasonic 3D printing equipment, a 3D printer is improved; the printer comprises printing heads, a material supply roller and a guide rail; three printing heads aredesigned and are used for printing three layers of the artificial trachea respectively; an inner-layer material is collagen, a middle-layer material is carbon fiber and an outer-layer material is silica gel; the combination of the three layers is promoted through ultrasonic vibration and the formation of a bionic microstructure of an inner-layer surface is promoted. The artificial trachea is prepared by compounding ultrasounds and 3D printing; the obtained artificial trachea has the advantages of light weight, good strength, good toughness, good biocompatibility and uneasiness of generating biological repelling. The special ultrasonic 3D printing equipment has a wide market application and popularization prospect in related fields of manufacturing of the artificial tracheas and the like.

Description

technical field [0001] The invention relates to a special ultrasonic 3D printing device for artificial trachea and a composite processing method, belonging to the field of artificial organ processing. Background technique [0002] The trachea had to be resected and reconstructed due to stenosis caused by tumors, physical and chemical factors and other factors affecting the function of the trachea. When the resection length exceeds 6cm, the anastomotic tension is high, and serious complications such as anastomotic leakage are prone to occur. At this time, it is necessary to use artificial trachea and other substitutes to rebuild the trachea. Since 1946, some foreign scholars have been devoting themselves to the animal experiment of artificial trachea, but studies have found that there are many complications such as local infection, anastomotic dehiscence, granulation formation, and tracheal displacement after the implantation of the artificial trachea, which limits the devel...

Claims

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Application Information

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IPC IPC(8): B29C64/194B33Y10/00B33Y30/00B33Y70/00
CPCB33Y10/00B33Y30/00B33Y70/00B29L2031/7532
Inventor 张国智赵婷高鑫洋刘常辉刘嘉鑫
Owner XINXIANG UNIV
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