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מחט הקפאה
专利权人:
GALIL MEDICAL INC.
发明人:
申请号:
IL25374017
公开号:
IL253740D0
申请日:
2017.07.31
申请国别(地区):
IL
年份:
2017
代理人:
摘要:
A cryoneedle comprises an outer tube having a distal section with a generally central gas supply line placed within the outer tube. The gas supply line supplies a cryogas for forming an iceball on an outer surface of the outer tube over the distal section. The gas supply line terminates in an expansion chamber placed within the distal section. The cryoneedle comprises a heat exchange helix contacting the inner surface of the outer tube. The heat exchange helix has an increasing surface area per unit distance of the distal section such that the iceball has a generally symmetric shape.
来源网站:
中国工程科技知识中心
来源网址:
http://www.ckcest.cn/home/

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