相关实验视频

Updated: Jan 20, 2026

Endoscopic Ultrasound-Guided Biliary Drainage: Endoscopic Ultrasound-Guided Hepaticogastrostomy in Malignant Biliary Obstruction

Endoscopic Ultrasound-Guided Biliary Drainage: Endoscopic Ultrasound-Guided Hepaticogastrostomy in Malignant Biliary Obstruction

Published on: March 25, 2022

一种新型可生物降解合金胆汁支架的降解行为和生物特性

Yuechuan Li^1,2, Chengchen Deng¹, Duanqiang Xiao³

¹Key Laboratory for Biorheological Science and Technology of Ministry of Education, National Local Joint Engineering Laboratory for Vascular Implants, Bioengineering College of Chongqing University, Chongqing, 400044, China.

Bioactive materials

|January 19, 2026

概括

新的-铜- (Zn-Cu-B) 合金显示出可生物降解的胆道支架的前景. 这种增强材料提供了更好的机械强度,生物相容性和受控降解,解决了当前选择的局限性.

科学领域:

生物材料科学生物材料科学
材料工程材料工程材料工程
医疗器械开发医疗器械开发

背景情况:

目前可生物降解的胆道支架在满足临床需求方面存在局限性.
(Zn) 合金由于其机械性能,降解率和生物相容性,为可生物降解的支架提供了潜在的潜力.

研究的目的:

通过添加微量 (B) 来增强 Zn-0.8Cu 合金的机械性能和生物相容性.
评估Zn-0.8Cu-0.03B合金适用于可生物降解的胆汁支架的适用性.

主要方法:

在Zn-0.8Cu合金中加入0.03%重量的.
机械性能测试,耐腐蚀性评估和表面湿透性分析.
在体生物相容性测定和在子普通胆道中的体内研究.

主要成果:

的添加提炼了颗粒大小和增强的机械性能 (收益强度,抗拉强度,延长).
表面变得水友好,而合金抑制了细菌的生长 (黄金杆菌,大肠杆菌).
支架在体内维持了3周的完整性,在8周内降解,显示出良好的生物相容性和没有阻塞.

结论:

Zn-0.8Cu-0.03B合金显示了下一代生物降解胆道支架的潜力.
合金表现出增强的机械性能,生物相容性和受控的降解.
这项研究支持Zn合金在生物医学中的扩大应用.

关键词:

胆管支架是一种胆管支架.生物相容性生物相容性它是生物降解的.酸 (Boron) 是一种合金是一种合金.

更多相关视频

Biodegradable Magnesium Stent Treatment of Saccular Aneurysms in a Rat Model - Introduction of the Surgical Technique

Biodegradable Magnesium Stent Treatment of Saccular Aneurysms in a Rat Model - Introduction of the Surgical Technique

Published on: October 1, 2017

Determination of Thermodynamic Properties of Alkaline Earth-liquid Metal Alloys Using the Electromotive Force Technique

Determination of Thermodynamic Properties of Alkaline Earth-liquid Metal Alloys Using the Electromotive Force Technique

Published on: November 3, 2017

相关概念视频

Endoscopic Ultrasound-Guided Biliary Drainage: Endoscopic Ultrasound-Guided Hepaticogastrostomy in Malignant Biliary Obstruction

Endoscopic Ultrasound-Guided Biliary Drainage: Endoscopic Ultrasound-Guided Hepaticogastrostomy in Malignant Biliary Obstruction

Endoscopic Ultrasound-Guided Biliary Drainage (EUS-BD) is an alternative method of biliary decompression in malignant biliary obstruction. Here we describe the technique of EUS guided-Hepaticogastrostomy (EUS-HGS) in a case of unresectable malignant hilar biliary...

Biodegradable Magnesium Stent Treatment of Saccular Aneurysms in a Rat Model - Introduction of the Surgical Technique

Biodegradable Magnesium Stent Treatment of Saccular Aneurysms in a Rat Model - Introduction of the Surgical Technique

Reproducable experimental animal models are needed for the testing of novel embolization materials, which have been designed to treat endovascular occlusion of intracranial aneurysms (IA). The present study aims to develop a safe and standardized surgical technique for stent assisted embolization of saccular aneurysms in a rat animal...

Determination of Thermodynamic Properties of Alkaline Earth-liquid Metal Alloys Using the Electromotive Force Technique

Determination of Thermodynamic Properties of Alkaline Earth-liquid Metal Alloys Using the Electromotive Force Technique

This protocol describes the measurement of the electromotive force of alkaline-earth elements in liquid metal alloys at high temperatures (723-1,123 K) to determine their thermodynamic properties, including activity, partial molar entropy, partial molar enthalpy, and phase transition temperatures, over a wide composition...

Designing Silk-silk Protein Alloy Materials for Biomedical Applications

Designing Silk-silk Protein Alloy Materials for Biomedical Applications

Blending is an efficient approach to generate biomaterials with a broad range of properties and combined features. By predicting the molecular interactions between different natural silk proteins, new silk-silk protein alloy platforms with tunable mechanical resiliency, electrical response, optical transparency, chemical processability, biodegradability, or thermal stability can be...

Direct and Indirect Culture Methods for Studying Biodegradable Implant Materials In Vitro

Direct and Indirect Culture Methods for Studying Biodegradable Implant Materials In Vitro

We introduce three methods of direct culture, direct exposure culture, and exposure culture for evaluating the in vitro cytocompatibility of biodegradable implant materials. These in vitro methods mimic different in vivo cell-implant interactions and can be applied to study various biodegradable...

An Available Technique for Preparation of New Cast MnCuNiFeZnAl Alloy with Superior Damping Capacity and High Service Temperature

An Available Technique for Preparation of New Cast MnCuNiFeZnAl Alloy with Superior Damping Capacity and High Service Temperature

Here we present a protocol to obtain a novel Mn-Cu-based alloy with excellent comprehensive performances by a high-quality smelting technology and reasonable heat treatment methods.