Exploration of Socket Cooling Using Novel Passive Heat Spreader Technology

使用新型被动散热器技术进行插座冷却的探索

• 批准号: 9356339
• 负责人: RICHARD Fergus ffrench WEIR
• 金额: --
• 依托单位: VA EASTERN COLORADO HEALTH CARE SYSTEM
• 依托单位国家: 美国
• 财政年份: 2013
• 资助国家: 美国
• 起止时间: 2013-11-01 至 2017-12-31
• 项目状态: 已结题
• 来源: https://reporter.nih.gov/project-details/9356339
• 关键词: Affect; Air; Amputation; Amputees; Area; Bypass; Consumption; Data; Data Set; Devices; Electrodes; Goals; Individual; Industry; Lower Extremity; Measures; Methods; Microprocessor; Monitor; Persons; Pilot Projects; Prosthesis; Pump; Quality of life; Recruitment Activity; Shoulder; Signal Transduction; Skin; Solid; Speed; Surface; Surgical Disarticulation; Sweat; Sweating; Technology; Temperature; Testing; Translating; Upper Extremity; Walking; Work; cost; improved; light weight; limb amputation; novel; prosthetic socket; public health relevance; treadmill; vapor; wasting

DESCRIPTION (provided by applicant): This Pilot project is to explore the issue of using assisted cooling of the socket to improve socket comfort. Celsia NanoSpreader Vapor Cooler technology is a novel passive planar cooling technology developed for cooling microprocessors that we believe can be applied to the problem of socket cooling. A leading cause of prosthesis abandonment are comfort issues one of which is they are frequently too hot - particularly at Shoulder disarticulation or forequarter level where the socket covers a large portion of the remaining torso. Additionally, the variable intensity sweating inside of the prosthesis socket produces changes in the signals that surface EMG electrodes detect. Active cooling may offer a solution to this problem. The goal of this project is to provide a lightweight, low cost, passive energy method to move the excess heat from the surface of the skin to the outside of the prosthesis. Celsia is a novel planar cooling technology developed for cooling microprocessors that we think can be applied to the problem of socket cooling. This Pilot project is to explore the issue of using assisted cooling of the sockt to improve socket comfort. The Celsia technology is attractive because it is a completely passive device - no external electrical power is necessary to drive the thermal pumping action which is used to disperse waste heat. In the first year we are proposing to fabricate bypass sockets so that intact individuals may wear a socket similar to that worn by person with shoulder disarticulation amputations. These sockets will be are either solid (no NanoSpreader), have simple hole cutouts for air cooling, or have the NanoSpreader built in. Using these large surface area sockets we will work out the kinks associated with the use of the Nanospreader and any issues involved with integrating them into a prosthetic socket. In the second year we will recruit persons with lower-limb amputations and have them test similar sockets fabricated for the lower-limb. We will have the subjects walk on a level treadmill while wearing these sockets and walking at three different speeds while monitoring the temperature inside the socket and measuring O2 consumption. At the end of each subjects session there should be 4 temperature data sets for No socket, solid socket, socket with cutouts, socket with NanoSpreader. PUBLIC HEALTH RELEVANCE: This Pilot project is to explore the issue of using assisted cooling of the socket to improve socket comfort. Celsia is a novel passive planar cooling technology developed for cooling microprocessors that we believe can be applied to the problem of socket cooling. A leading cause of prosthesis abandonment is comfort issues one of which is they are frequently too hot - particularly at Shoulder disarticulation or forequarter level where the socket covers a large portion of the remaining torso. Additionally, the variable intensity sweating inside of the prosthesis socket produces changes in the signals that surface EMG electrodes detect. Active cooling may offer a solution to this problem. The goal of this project is to provide a lightweight, low cost, passive energy method to move the excess heat from the surface of the skin to the outside of the prosthesis.

描述(由申请人提供)： 这个试点项目是为了探索利用插座的辅助冷却来提高插座舒适性的问题。Celsia NanoSpreader蒸气冷却器技术是为冷却微处理器而开发的一种新型被动平面冷却技术，我们相信它可以应用于插座冷却问题。丢弃假体的一个主要原因是舒适性问题，其中之一是假体经常太热--特别是在肩关节脱节或前部水平时，插座覆盖了剩余躯干的很大一部分。此外，假体插座内部的不同强度汗水会导致表面肌电电极检测到的信号发生变化。主动冷却可以为这一问题提供解决方案。该项目的目标是提供一种轻便、低成本的被动能源方法，将多余的热量从皮肤表面转移到假体外部。CELSIA是为冷却微处理器而开发的一种新型平面冷却技术，我们认为它可以应用于插槽冷却问题。这个试点项目是为了探索利用袜子的辅助冷却来提高插座舒适性的问题。Celsia技术之所以吸引人，是因为它是一种完全无源的设备--不需要外部电力来驱动用于分散余热的热泵动作。在第一年，我们建议制造搭桥插座，这样完好无损的人就可以戴上一个与肩部脱节截肢者相似的插座。这些插座要么是实心的(没有NanoSpreader)，要么是用于空气冷却的简单孔口，要么是内置的NanoSpreader。使用这些大表面积插座，我们将解决与使用Nanospreader相关的问题，以及将它们集成到假肢插座中所涉及的任何问题。在第二年，我们将招募下肢截肢患者，并让他们测试为腿部制造的类似插座。我们将让受试者在水平跑步机上行走，同时穿着这些插座，以三种不同的速度行走，同时监测插座内的温度并测量氧气消耗。每次受试者疗程结束时，应设置4组温度数据，分别为无插座、实心插座、带断口的插座、带纳米散布器的插座。 公共卫生相关性： 这个试点项目是为了探索利用插座的辅助冷却来提高插座舒适性的问题。CELSIA是为冷却微处理器而开发的一种新型被动平面冷却技术，我们相信它可以应用于插槽冷却问题。放弃假体的一个主要原因是舒适性问题，其中之一是假体经常太热--特别是在肩关节脱节或前部水平时，插座覆盖了剩余躯干的很大一部分。此外，假体插座内部的不同强度汗水会导致表面肌电电极检测到的信号发生变化。主动冷却可以为这一问题提供解决方案。该项目的目标是提供一种轻量级、 低成本的被动能量方法，将多余的热量从皮肤表面转移到假体外部。