可重复使用与一次性强制加热空气:热性能的比较研究作为迈向更可持续实践的第一步
Jawad Matanis1, Amit Lehavi1, Aeyal Raz1
1From the Department of Anesthesiology, Rambam Healthcare Campus (JM, AL, AR, RV, ED, EM), Ruth and Bruce Rappaport Faculty of Medicine, Technion (JM, AL, AR, RV, ED, EM) and Nursing Department, Rambam Healthcare Campus, Haifa, Israel (EPB, BR).
European journal of anaesthesiology and intensive care
|October 13, 2025
概括
重型可重复使用的棉毯为一次性保暖毯提供了安全有效的替代品,减少了手术前护理中的浪费和环境影响. 这项研究证明了它们的优越热性能.
科学领域:
- 麻醉学和外科手术期间的医学.
- 生物医学工程 生物医学工程
- 可持续的医疗保健实践
背景情况:
- 外科手术期间的低温带来风险,需要在手术期间有效的患者加热.
- 一次性强制空气加热毯是有效的,但会产生大量的医疗废物和环境影响.
- 可重复使用的织毯是一种潜在的可持续替代品,需要对其热性能进行评估.
研究的目的:
- 评估可重复使用的织毯的安全性和有效性,与一次性强制空气加热毯相比.
- 通过采用可重复使用的升温解决方案,支持开发更可持续的外科手术实践.
主要方法:
- 一次性一次性使用 (DSU),轻重复用棉 (LRC) 和重重复用棉 (HRC) 毯子的体外,前性,对比比较.
- 模拟的手术室场景,强制空气加热器设置为38°C,测试正常热 (37°C) 和低温 (25°C) 患者条件.
- 在模拟患者热模型上测量六个解剖点的表面温度.
主要成果:
- 与DSU和LRC毯子相比,重重重复用棉 (HRC) 毯子在全身和上身设计中表现出更优越和更均的表面温度分布 (P < 0.05).
- 在任何测试的毯子配置中都没有记录任何不安全的温度升高.
- 在毛毯类型之间观察到热性能的显著差异,HRC始终优于其他类型.
结论:
- 精心设计的可重复使用的织毯可以作为一次性取暖毯的安全和环保替代品.
- 可重复使用的毯子有可能降低医疗保健成本和环境影响.
- 建议对感染控制,耐用性和生命周期分析进行进一步的研究,以充分验证可重复使用毯子的有效性.
相关概念视频
Mechanism of heat transfer
1.9K
Understanding heat transfer mechanisms is essential for understanding how our bodies maintain balance in different environmental conditions. When the environment is thermoneutral, the body is in a state of balance, neither using nor releasing energy to maintain its core temperature. However, when the environment is not thermoneutral, the body employs four heat transfer mechanisms to maintain homeostasis: conduction, convection, evaporation, and radiation. These mechanisms facilitate heat...
1.9K
Mechanisms of Heat Transfer
1.6K
Heat transfer between the human body and its environment occurs through four main mechanisms: conduction, convection, radiation, and evaporation.
Conduction, accounting for approximately 3% of body heat loss at rest, is the process of exchanging heat between molecules of two materials in direct contact. This can result in both heat loss and gain. For instance, when the body is submerged in water, which conducts heat 20 times more effectively than air, it can either lose or gain significant...
Conduction, accounting for approximately 3% of body heat loss at rest, is the process of exchanging heat between molecules of two materials in direct contact. This can result in both heat loss and gain. For instance, when the body is submerged in water, which conducts heat 20 times more effectively than air, it can either lose or gain significant...
1.6K
Mechanisms of Heat Transfer II
4.2K
In convection, thermal energy is carried by the large-scale flow of matter. Ocean currents and large-scale atmospheric circulation, which result from the buoyancy of warm air and water, transfer hot air from the tropics toward the poles and cold air from the poles toward the tropics. The Earth’s rotation interacts with those flows, causing the observed eastward flow of air in the temperate zones. Convection dominates heat transfer by air, and the amount of available space for the airflow...
4.2K
Mechanisms of Heat Transfer I
5.9K
Just as interesting as the effects of heat transfer on a system are the methods by which the heat transfer occur. Whenever there is a temperature difference, heat transfer occurs. It may occur rapidly, such as through a cooking pan, or slowly, such as through the walls of a picnic ice box. So many processes involve heat transfer that it is hard to imagine a situation where no heat transfer occurs. Yet, every heat transfer takes place by only three methods: conduction, convection, and radiation.
5.9K
Thermal Stress
3.3K
If the temperature of an object is changed while it is prevented from expanding or contracting, the object is subjected to stress. The stress is compressive if the object expands in the absence of constraint and tensile if it contracts. This stress resulting from temperature change is known as thermal stress. It can be quite large and can cause damage. To avoid this stress, engineers may design components so they can expand and contract freely. For instance, on highways, gaps are deliberately...
3.3K
Decreased Body Temperature
1.0K
A decreased body temperature can occur in patients with hypothermia and frostbite. Heat loss with extended cold exposure overpowers the body's ability to create heat, resulting in hypothermia. Core temperature readings help classify hypothermia. Mild hypothermia is temperatures between 32 °C (89.6 °F) and 35°C (95 °F) and is caused by impaired thermoregulation. Moderate hypothermia is temperatures between 28 C (82.4 °F) and 32 °C (89.6 °F) caused by...
1.0K


