Research on grinding of biological tissue
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摘要: 生物组织的磨削加工本质上是通过细小磨粒对软硬组织进行少量多次去除,保证操作的精细度和安全性。磨削加工是一种能量密集型的加工方式,加工过程中会产生较高的磨削热和磨削力并直接作用于人体,有可能造成周围组织损伤,影响手术效果。介绍了骨组织磨削、皮肤磨削、齿科磨削和血管钙化组织磨削等生物组织的固结磨料加工的研究情况,并提出后期研究主要方向。Abstract: Grinding of biological tissue is essentially using fine abrasive grains to remove soft and hard tissues in a small amount and multiple times to ensure the precision and safety of the operation. However, as an energy-intensive processing method, grinding may produce excessive heat and force during processing, which will directly act on the human body, causing damages to surrounding tissues and affecting the effect of surgery. This paper introduces the research of consolidation abrasive processing of biological tissues such as bone tissue grinding, skin grinding, dental grinding and vascular calcification tissue grinding. In the end, main directions for further developing are put forward.
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Key words:
- biological tissue /
- grinding /
- grinding heat /
- grinding force
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表 1 生物组织的磨削加工
Table 1. Grinding in medical operation
骨组织磨削 皮肤磨削 牙科磨削 血管钙化组织磨削 金刚石线锯、磨钻 金刚石磨头 金刚石车针 血管钙化组织旋磨头 表 2 医疗手术磨削加工当前研究总结和未来研究方向
Table 2. Summary of current research and future research directions in medical surgical grinding
当前研究情况 未来研究方向 磨削类型 研究类别 研究重点 骨组织磨削 神经外科骨磨 磨削温度预测 ●逆传热方法和有限元热模型
●骨的热导率、骨的热通量
➢提高磨削质量
●磨削机制研究
●磨削参数优化
●新的磨削方法
●引入冷却方法
●考虑材料影响
●创新磨削系统
➢提高磨削效率
●系统磨削效率研究
●磨削参数优化
●磨削刀具设计
●磨削过程监控
➢提高手术恢复率
●磨削损伤研究
●磨削机制研究
●磨削参数优化
●新的磨削方法
●引入冷却方法
●考虑材料影响磨削产热及
温度变化●磨削参数对磨削热的影响
●磨削产热和传递
●磨削过程温度变化
●磨削热造成的神经坏死降低磨削温度 ●冷却剂冷却(盐水冷却、低温喷雾、纳米粒子射流喷雾)
●能场辅助(超声振动辅助)
●研制新型磨削工具(微结构、涂层)脊柱骨磨削 磨削方式和
安全性●手术中的磨削方式(由浅入深、逐层进行)
●降低磨削热,减少对神经根的损伤(水冷却)
●结合各种内镜技术治疗复杂的脊柱疾病下颌角磨削 安全性和
有效性●下颌角肥大矫正手术中的安全性和有效性 皮肤磨削 传统磨皮 ●磨皮在皮肤治疗中的有效性
●针对不同皮肤病(皱纹、痤疮、疤痕等)磨削工具的选择
●如何减少并发症的发生
●磨皮对特定药物经皮给药的有效性微晶磨皮 齿科磨削 牙体磨削 ●磨削过程的磨削力和振动
●磨削热产生、传递和对周围神经的损伤
●磨削参数对表面质量的影响
●磨削表面裂纹的产生修复体磨削 ●材料内部热应力的产生和裂纹的扩展
●温度变化诱发的相变行为
●修复体磨削去除机理(脆性断裂和塑性去除)血管钙化组织磨削 磨削热 ●磨削参数对磨削热的影响
●磨削热的产生以及潜在的热损伤
●有效降低磨削热的方法(生理盐水冷却、磨削参数)磨削力 ●磨削参数对磨削力的影响
●磨头的运动和磨削力导致的并发症
●有效降低磨削力的方法(磨头结构、磨削方式和磨削参数)磨屑 ●磨屑的成屑机理
●磨削参数对磨屑大小和形状的影响
●磨屑在血管壁上的聚集磨削损伤 ●磨削对周围血管和血液中细胞造成的损伤 -
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