桡骨远端骨折夹板压力读取系统设计  

Design of pressure reading system for splinting distalradius fractures

作　　者：李军[1] 陆贲琪 金鸿宾[3] 陆军 赵允[1] 王爱国 LI Jun;LU Ben-qi;JIN Hong-bin;LU Jun;ZHAO Yun;WANG Ai-guo(Tianjin Academy of Traditional Chinese Medicine Affiliated Hospital,Tianjin 300120,China;Graduate School of Tianjin University of Traditional Chinese Medicine,Tianjin 301617,China;Tianjin Hospital,Tianjin 300211,China)

机构地区：[1]天津市中医药研究院附属医院,天津300120 [2]天津中医药大学研究生院,天津301617 [3]天津市天津医院,天津300211

出　　处：《医疗卫生装备》2024年第8期44-50,共7页Chinese Medical Equipment Journal

基　　金：天津市卫健委中医中西医结合课题重点项目(2023038);王爱国青年名中医工作室建设项目。

摘　　要：目的:设计桡骨远端骨折夹板压力读取系统,以实现对夹板固定压力的实时监测。方法:该系统硬件由主控单元、压力温度采集单元和电源管理单元组成。其中,主控单元采用STC15系列的单片机作为主控芯片,压力温度采集单元选用FSR400薄膜型压力传感器和DS18B20数字温度测量芯片。系统软件采用C语言编写。在固定带上分别以与柳木夹板和3D打印夹板呈90°、60°、30°的方向施加载荷,负载总质量从600 g增加至1200 g。采用该系统测试夹板承受的压力大小及分布情况,每次测试重复6次。结果:该系统能够实时采集夹板的压力数值,并能通过显示屏显示。固定带分别与柳木夹板、3D打印夹板呈90°、60°、30°时,不同载荷下各传感器的最大压力均出现在固定带与夹板边缘连接处,夹板中间部分受到的压力相对较小。固定带在与柳木夹板呈90°、载荷1200 g时柳木夹板承受的压力最大,为(239.17±4.49)g;固定带在与柳木夹板呈60°、载荷600 g时柳木夹板承受的压力最小,为(89.83±17.38)g。固定带在与3D打印夹板呈90°、载荷1100 g时3D打印夹板承受的压力最大,为(177.67±21.77)g;固定带在与3D打印夹板呈30°、载荷600 g时3D打印夹板承受的压力最小,为(66.50±3.02)g。结论:该系统可及时读取夹板不同载荷、不同角度下受到的压力,且与柳木夹板相比,3D打印夹板上的压力分布更均匀。该研究可为临床夹板固定定量化治疗提供理论依据。Objective To design a pressure reading system for splinting distal radius fractures to enable real-time monitoring of splint fixation pressure.Methods A pressure reading system for splinting distal radius fractures was developed with the components of a main contrl unit,a pressure and temperature acquisition unit and a power management unit.The main control unit had a STC15 series SCM as the main control chip,and the pressure and temperature acquisition unit was realized with a FSR400 thin film pressure sensor and a DS18B20 digital temperature measurement chip.The software of the system was developed with C language.The system developed was used to test the magnitude and distribution of the pressure on the splints by applying loads on the fixation straps at 90°,60°and 30°directions to the willow splint and 3D printing splint,respectively,with the total mass of the loads increased from 600 g to 1200 g and each test repeated by 6 times.Results The system developed was capable of collecting the pressure values at real time and showed them on the display screen.The maximum pressure always occurred at the the connection between the fixation straps and the edge of the splints and the middle parts of the splints were subject to relatively low pressure in case of different loads,when the fixation straps were 90°,60°and 30°to the willow splint and 3D printing splint respectively.The maximum pressure on the willow splint was(239.17±4.49)g when the fixation strap was 90°to the splint and loaded with 1200 g;the minimum pressure on the willow splint was(89.83±17.38)g when the fixation strap was 60°to the splint and loaded with 600 g.The maximum pressure on the 3D printing splint was(177.67±21.77)g when the fixation strap was 90°to the splint and loaded with 1100 g;the minimum pressure was(66.50±3.02)g for the 3D printing splint when the fixation strap was 30°to the splint and loaded with 600 g.Conclusion The ssystem developed can read pressure values of the splint under different loads and angles,and the 3D prin

关 键 词：桡骨远端骨折 夹板固定 夹板压力 压力测试 柳木夹板 3D打印夹板 

分 类 号：R318.6[医药卫生—生物医学工程] TH781[医药卫生—基础医学]