防压疮异形气囊枕垫及人体外压感知方法研究  

Study on anti-pressure ulcer heterotypic air-cell pillow pad and human external pressure sensing method

作　　者：曹莹瑜 王瑃 黄军芬 王伟[1] 毛雪松 王阔 CAO Yingyu;WANG Chun;HUANG Junfen;WANG Wei;MAO Xuesong;WANG Kuo(School of Mechanical Engineering,Beijing Institute of Petrochemical Technology,Beijing 102617)

机构地区：[1]北京石油化工学院机械工程学院,北京102617

出　　处：《机械设计》2024年第4期158-163,共6页Journal of Machine Design

基　　金：国家重点研发计划(2021YFC0122700);北京市属高校分类发展项目(11000023T000002199202)。

摘　　要：为解决规则形气囊枕垫设计算法不足及气囊外表面薄膜压力传感器的透气性和稳定性问题,提出一种防压疮异形气囊枕垫及基于气囊内压-高度模型的人体外压感知方法,通过建立异形气囊的压力-高度-外部载荷模型,测量异形气囊内压力和气囊高度,实现人体外压的推算和稳定感知,以及仰卧或俯卧位的压疮防治。试验结果表明:外压力误差为0.85 N,满足智能防压疮枕垫的压力控制精度。采用人体外压感知方法进行压力感知,避免采用压力薄膜传感器,为重症患者创造更舒适、更安全的护理环境。In order to solve the issues of deficiencies in the design and algorithms of regular air-cell pillows and breathability and stability of thin film pressure sensors attached to the outer surface of the air-cells,an air-cell anti-pressure ulcer pillow pad and a human external pressure sensing method were proposed.The heterotypic air-cell internal pressure and height were measured through the establishment of pressure-height-external load model for irregular-shaped air-cells to realise human external pressure calculation and stability perception,as well as prevention and treatment of pressure ulcers in supine or prone positions.Experimental results demonstrated that the external pressure error was 0.85 N,meeting the pressure control precision requirements for intelligent anti-pressure ulcer pillows.The adoption of human external pressure sensing method eliminated the requirement of pressure film sensors,which could create a more comfortable and safe nursing environment for critically ill patients.

关 键 词：压力检测 气囊枕垫 气囊模型 压疮预防 

分 类 号：TH789[机械工程—仪器科学与技术]