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Development of a measuring system monitoring movements of internal organs

开发监测内脏器官运动的测量系统

基本信息

批准号：
14550418
负责人：
KATO Yuichi
金额：
$ 2.05万
依托单位：
Shimane University
依托单位国家：
日本
项目类别：
Grant-in-Aid for Scientific Research (C)
财政年份：
2002
资助国家：
日本
起止时间：
2002 至 2005
项目状态：
已结题

项目摘要

The aim of this research is a development of a PC system to detect and measure the vibration originated from stomach and/or respiratory movements by use of small and light acceleration sensors placed on the body surface. This system is enable us to measure and/or monitor and to record their movements in place of a stethoscope for a long time not burdening patients. One of advantage of this system is a function to analyze the records and to grasp the condition of patient. The followings are the results of the research for monitoring (1) stomach movements and (2) respiratory movements at the present.(1)Stomach movement :The stomach is a digestive organ between the cardia and the pylorus. This system can detect the signal made by appetite lump flowing in and out the stomach from the sensor located on the body surface near both gates of the organ. When digesting, the peristalsis movement of the stomach is known to have a cycle from two to four per a minute. It is also confirmed that the senor located on the body surface near the navel can detect the signal of the movement(2)Respiratory movement :Patients of COPD are known to decline the function of diaphragm movement. One of aims of this system is to detect the signal of the movement by the sensor on the body surface of the chest. However, the system cannot clearly detect the signal of diaphragm movement since the signals of respiratory movement cover that of diaphragm one. Another way of detecting is tried to get information of diaphragm one.

这项研究的目的是开发一种PC系统，通过使用放置在人体表面的小型轻型加速度传感器来检测和测量源于胃和/或呼吸运动的振动。这个系统使我们能够测量和/或监测并记录他们的运动，而不是在很长一段时间内代替听诊器，而不会给患者带来负担。该系统的优点之一是具有分析病历和掌握患者病情的功能。以下是目前监测(1)胃运动和(2)呼吸运动的研究结果。(1)胃运动：胃是位于贲门和幽门之间的消化器官。该系统可以从位于器官两个门附近的体表上的传感器检测食欲块流入和流出胃的信号。在消化时，胃的蠕动运动每分钟有两到四次循环。也证实了位于体表靠近肚脐的感受器可以检测到运动的信号。(2)呼吸运动：众所周知，慢性阻塞性肺疾病患者的横隔膜运动功能下降。该系统的目的之一是通过胸部体表上的传感器检测运动信号。然而，由于呼吸运动信号覆盖了膜片运动信号，系统不能清楚地检测到膜片运动的信号。另一种检测方法是尝试获取隔膜一号的信息。