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1. 发明授权

US5340309A Apparatus and method for recording jaw motion 失效
标题翻译：记录颌运动的装置和方法
公开(公告)号：US5340309A
公开(公告)日：1994-08-23
申请号：US579330
申请日：1990-09-06
申请人： James G. Robertson
发明人： James G. Robertson
IPC分类号： A61B19/00 , A61C19/045 , A61C19/04 , A61C5/00
CPC分类号： A61C19/045 , A61B2090/363
摘要： A method and apparatus for tracking, recording and analyzing a subject's jaw motion is provided. Cross-haired targets are non-intrusively fixed in relation to the subject's upper and lower jaws. Three video cameras are disposed about the subject's head, each camera lens being focused on the targets. Each video camera is equipped with a charge control device chip which includes an array of light sensitive pixels defining a two dimensional image coordinate system. The charge control device chip converts a light image indicative of a target's cross-hair position into a series of amplitude signals. A computer is used to receive, process and display said camera chip amplitude signals. The computer includes a pre-processor board for timing, synchronizing and transforming said camera chip amplitude signals into address record information representing the targets' relative positions as a function of time. The computer also has a mass storage unit for storing address record information, graphics software for creating a simulation of the subject's jaw movement in the subject coordinate system based on the address record information, and a display for visually presenting the simulation produced by the graphics software. The method and apparatus are useful for understanding orofacial pain, fabricating prosthesis, analyzing temporomandibular joint dysfunction pathology and orthodontic and occlusion problems.
摘要翻译：提供了用于跟踪，记录和分析受试者的颌运动的方法和装置。相对于受试者的上下颌，跨头目标是非侵入性的。围绕被摄体的头部设置三个摄像机，每个摄像机镜头被聚焦在目标上。每个摄像机都配备有一个充电控制装置芯片，其中包含定义二维图像坐标系的光敏像素阵列。充电控制装置芯片将指示目标的十字线位置的光图像转换为一系列振幅信号。计算机用于接收，处理和显示所述相机芯片振幅信号。该计算机包括用于将所述相机芯片幅度信号定时，同步和变换为表示作为时间的函数的目标的相对位置的地址记录信息的预处理器板。计算机还具有用于存储地址记录信息的大容量存储单元，用于基于地址记录信息在主体坐标系中创建被摄体的颌运动的模拟的图形软件，以及用于可视地呈现由图形软件产生的模拟的显示器。该方法和装置可用于理解口腔疼痛，制造假体，分析颞下颌关节功能障碍病理学和正畸和闭塞问题。

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