Design of direction angle measurement system of laparoscope based on magnetoresistive sensor

LIU Ju; HOU Wen-sheng; ZHENG Xiao-lin

doi:10.13873/j.1000-97872012.11.018

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Design of direction angle measurement system of laparoscope based on magnetoresistive sensor

更新时间：2025-09-11

- Design of direction angle measurement system of laparoscope based on magnetoresistive sensor
- Vol. 31, Issue 11, Pages: 111-114(2012)
- 作者机构：
  
  重庆大学生物工程学院
- 作者简介：
- 基金信息：
- DOI：10.13873/j.1000-97872012.11.018
  CLC： TP212.13;R318.6;TP274
- Published：2012
- 稿件说明：
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[1]刘菊,侯文生,郑小林.基于磁阻传感器的腹腔镜方向角测量系统设计[J].传感器与微系统,2012,31(11):111-114.

LIU Ju, HOU Wen-sheng, ZHENG Xiao-lin. Design of direction angle measurement system of laparoscope based on magnetoresistive sensor[J]. 2012, 31(11): 111-114.
[1]刘菊,侯文生,郑小林.基于磁阻传感器的腹腔镜方向角测量系统设计[J].传感器与微系统,2012,31(11):111-114. DOI： 10.13873/j.1000-97872012.11.018.

LIU Ju, HOU Wen-sheng, ZHENG Xiao-lin. Design of direction angle measurement system of laparoscope based on magnetoresistive sensor[J]. 2012, 31(11): 111-114. DOI： 10.13873/j.1000-97872012.11.018.

摘要

提出了一种基于三轴磁阻传感器芯片HMC5883L和以8051系列单片机为核心的多路方向角测量方法

主要应用于体内手术、微创手术等不可视环境。通过绑定在运动器械上的三轴磁阻传感器实时测量地球磁场产生的磁感应强度。利用磁偶极子模型

对测量结果数值分析、处理得到各自绑定的运动器械的方向角角度值。实验证明:这种低成本的解决方法对低速运动的器械测量具有较高稳定性和可靠性。

Abstract

A multi-path direction angle measuring method based on 3-axis magneto-resistive sensor chip HMC5883L and 8051 series SCM

which is mainly used in invasive surgeries is presented.The magnetic induction of the earth can be detected by the 3-axis magneto-resistive sensor which is bound on the surgical instrument.The direction angle value of the surgical instrument can be acquired through using the magnetic dipole model to analyze and process the measured results.The experimenal results indicate that the low-cost solution method for measuring the direction angle of surgical instrument has high stability and reliability.

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references

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腔镜单眼裸眼操作与双眼观看摄像操作的比较研究 [J]. 舒思远,喻登明,张正伟. 腹腔镜外科杂志 . 2011(03)

基于超声波的方向角测量方案研究 [J]. 陈庭勋,王建行. 实验技术与管理 . 2007(01)

磁力传感器在方向角测量中动态模型分析 [J]. 杨东波,杨东凯. 电子测量技术 . 2005(05)

各向异性磁阻传感器的原理及其应用 [J]. 裴轶,虞南方,刘奇,刘进. 仪表技术与传感器 . 2004(08)

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