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A bone-like 3D printing material and a bone-like 3D printed temporal bone model with bone-like structure and neurovascular structure

A 3D printing, bone-like technology, used in 3D object support structures, manufacturing tools, additive processing, etc., can solve problems such as poor restoration of anatomical microstructures, achieve high printing success rate and stability, weight and hardness Excellent performance, high similarity effect

Active Publication Date: 2022-02-25
XIN HUA HOSPITAL AFFILIATED TO SHANGHAI JIAO TONG UNIV SCHOOL OF MEDICINE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Results: The anatomical model of the physical model has a good hand feel, which is close to the head of the corpse; however, the reduction degree of the microstructure of the anatomy is not good, and the effect of the ABS model is better than that of the plaster model; the physical model can basically reflect the anatomical structure of the head, but due to the existence of supporting powder, the great impact when dissecting

Method used

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  • A bone-like 3D printing material and a bone-like 3D printed temporal bone model with bone-like structure and neurovascular structure
  • A bone-like 3D printing material and a bone-like 3D printed temporal bone model with bone-like structure and neurovascular structure
  • A bone-like 3D printing material and a bone-like 3D printed temporal bone model with bone-like structure and neurovascular structure

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0034] Example 1 Of the Oxygen 3D Printing Material (1) of the present invention

[0035] It is made of a component of the following weight percent: 54.7% by modified polycarbonate, 45% of sulfate and 0.3% of titanium white powder. The modified polycarbonate is modified with acrylate rubber, and the weight ratio of polycarbonate and acrylate rubber is: 34.7: 20.

[0036] Preparation:

[0037] (1) The components are physically mixed and dry after drying according to the weight percentage of the above;

[0038] (2) After drying the prepared masterbatch, a single screw extrusion process is used, and the masterbatch is machined into a circular shape, an average diameter of about 1.75 mm.

Embodiment 2

[0039] Example 2 The human 3D printing material of the present invention (2)

[0040] It is made of a component of the following weight percent: 40% of the modified polycarbonate, 50% of sulfate and 1% of titanium white powder. The modified polycarbonate is modified with acrylate rubber, and the weight ratio of polycarbonate and acrylate rubber is: 29.4: 19.6.

[0041] Preparation:

[0042] (1) The components are physically mixed and dry after drying according to the weight percentage of the above;

[0043] (2) After drying the prepared masterbatch, a single screw extrusion process is used, and the masterbatch is machined into a circular shape, an average diameter of about 1.75 mm.

Embodiment 3

[0044] Example 3 Oxurvic 3D printing material of the present invention (3)

[0045] It is made of the following weight percent components: 60% of the modified polycarbonate, 39% of sulfate and 1% of titanium white powder. Among them, the modified polycarbonate is modified with acrylate rubber, and the weight ratio of polycarbonate and acrylate rubber is: 40:20.

[0046] Preparation:

[0047] (1) The components are physically mixed and dry after drying according to the weight percentage of the above;

[0048] (2) After drying the prepared masterbatch, a single screw extrusion process is used, and the masterbatch is machined into a circular shape, an average diameter of about 1.75 mm.

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Abstract

The invention relates to a bone-like 3D printing material and a bone-like 3D printed temporal bone model with a bone-like structure and a neurovascular structure. The material is made of the following components in weight percentage: 39-75% of modified polycarbonate, 24-60% of barium sulfate and 0.1-1% of titanium dioxide. The temporal bone model has a neurovascular structure and a bone-like structure printed by the bone-like 3D printing material. The temporal bone model printed by the material of the present invention has a high score in terms of model weight, hardness, light perception under the microscope, drilling sound, drilling touch, debris formation during drilling and ossicle reproduction accuracy, On the whole, it is evaluated as "high similarity" with the temporal bone of the corpse, and the printing success rate and stability are high, indicating that the material of the present invention is a 3D printing material with bone-like properties. The temporal bone model of the present invention can be used in ear surgery It is practical in training and can be used as an auxiliary training tool outside the temporal bone of the cadaver.

Description

Technical field [0001] The present invention relates to the field of material for 3D printing, and in particular, to a bone-based 3D printing material and a bone-type bone 3D printing temporal model having a human structure and a neurovastructure. Background technique [0002] In the past, the earpiece learned to obtain and improve the relevant surgical skills by repeated anatomy the human corpse. However, the human corpse has a limited source, and the price is expensive, causing corpse temporal anatomy training difficult to promote. The 3D printing temporal model provides an effective way for europerative skill training. Due to the existing 3D printing raw materials in the market, the 3D printing temporal model often does not provide prototype temporal anatomy experience, and the common problem has a lower model hardness, and the model is softized when drilling, thereby limiting it. Practicality in Torge Surgical Training. It is therefore necessary to prepare a 3D printing tempo...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C08L69/00C08L33/04C08K3/30C08K3/22B29C48/00B29B9/06B29C64/00B33Y70/10
CPCC08L69/00B29B9/06B29C64/00B33Y70/00C08K2003/3045C08K2003/2241
Inventor 杨军于江胡澜也于浩然贾欢
Owner XIN HUA HOSPITAL AFFILIATED TO SHANGHAI JIAO TONG UNIV SCHOOL OF MEDICINE
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