中国组织工程研究Issue(41)：7290-7296,7.DOI:10.3969/j.issn.2095-4344.2013.41.016
恒功率高频电刀能量发生器：生物组织的切割与闭合
Constant power electrosurgical generator:Biological tissue cutting and sealing
摘要
Abstract
BACKGROUND:With the development of medical instruments, more and more traditional surgical operations are replaced by minimal y invasive surgeries. In minimal y invasive surgery, cutting and sealing tissue is a conventional procedure;however, due to the limitation of space and vision, the ordinary methods are not suitable for minimal y invasive surgery. OBJECTIVE:To develop high frequency electrosurgical generator that has a constant power output and ability for tissue cutting and closing. METHODS:In order to improve the efficiency of tissue cutting and sealing in surgical, a kind of high-frequency energy generator was developed for tissue cutting and sealing. The instrument consisted of switching power supply with adjustable amplitude, high-frequency power amplifier, impedance monitor and microcontrol er. The energy converter composed of switching power supply and high-frequency power amplifier converted the 220 V, 50 Hz utility powers to a kind of high-frequency energy with 450 kHz and applied on tissues. Impedance monitor would real-timely detect the electrical parameter impacting on tissue that was provide the amount of feedback to microcontrol er in order to complete constant power control and bioimpedance determination by the control er. RESULTS AND CONCLUSION:The experimental results indicated that the instrument could rapidly and stably provide high-frequency energy, and could detect the biological impedance in real-time, achieve constant power output through feedback control, and could cut and close the biological tissue efficiently.关键词
组织构建/组织构建基础实验/高频能量发生器/阻抗检测/电能变换器/组织切割/组织闭合/恒功率/省级基金Key words
surgical procedures, minimally invasive/wound closure techniques/tissues/electric impedance分类
医药卫生引用本文复制引用
欧孔武,周宇,鄢盛杰,李殿立,严博文,宋成利..恒功率高频电刀能量发生器：生物组织的切割与闭合[J].中国组织工程研究,2013,(41):7290-7296,7.基金项目
上海市科委资助项目(10441900900)；上海市教委科研创新项目(12YZ102)；上海市优秀青年教师科研专项基金资助项目(slgl0020) （10441900900）
