新型甲襞微循环成像装置的研制

Development of a New-type Nail-fold Microcirculation Imaging Device

目前临床上可用的甲襞微循环监测装置存在诸多问题,如结构庞大、不便于携带。且使用时由于患者的身体发生移动,导致采集的视频很难稳定,给医生的观察带来很大的困难。该研究基于SDF成像原理和液体镜片技术研制出一种小型的甲襞微循环图像采集装置。该装置使用环形照明装置安装在成像系统前端,并根据人体手指的特征,对系统结构进行总体设计。该装置体积小、便于携带、易固定在人体指端,能通过控制器进行快速对焦成像,且采集的甲襞微循环图像质量高,可以促进甲襞微循环装置在床旁的使用,是医护人员观察患者微循环状况的有效工具。

At present, there are many problems in the nail-fold microcirculation detection devices, such as huge structure, inconvenience to carry. In addition, due to the patient’s body shaking, the video is difficult to keep stable in collecting with the device, which brings great difficulties to the doctor’s observation. We develop a small image acquisition device for nail-fold microcirculation based on the principle of SDF imaging principle and liquid lenses technology. An annular lighting device is fixed in front of the optical system, and the overall design of the system is based on the characteristics of human fingers. The device is small, easy to carry and conform to the fingertips. It can focus quickly through a controller. It can also achieve high quality images of the nail-fold microcirculation. This study can promote the usage of nail-fold microcirculation device at the bedside. It’s an efficient tool for medical workers to observe the microcirculation of patients.