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本文从工程应用角度出发,综述了目前使用的各种低温外科手术器械的性能特点和适用场合。以当前使用最普遍的LN_2式冷疗仪为例对其原理、结构作了简要说明,着重指出其制造的关键和存在的不足,并对冷疗仪的进一步发展作了展望。
This article from the project application point of view, reviewed the current low-temperature surgical instruments used in the performance characteristics and application occasions. Taking the most commonly used LN_2 cold therapy device as an example, the principle and structure of LN2 cold therapy device are briefly described. The key points and shortcomings of LN2 cold therapy device are pointed out. The future development of cold therapy device is also discussed.