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Dermal and Transdermal Cryogenic Microprobe Systems
专利权人:
发明人:
Keith Burger,Ronald Williams,Lisa Elkins
申请号:
US14982728
公开号:
US20160183996A1
申请日:
2016.03.14
申请国别(地区):
US
年份:
2016
代理人:
摘要:
Medical devices, systems, and methods optionally treat dermatological and/or cosmetic defects, and/or a wide range of additional target tissues. Embodiments apply cooling with at least one small, tissue-penetrating probe, the probe often comprising a needle having a size suitable for inserting through an exposed surface of the skin of a patient without leaving a visible scar. Treatment may be applied along most or all of the insertable length of an elongate needle, optionally by introducing cryogenic cooling fluid into the needle lumen through a small, tightly-toleranced lumen of a fused silica fluid supply tube, with the supply tube lumen often metering the cooling fluid. Treatment temperature and/or time control may be enhanced using a simple pressure relief valve coupled to the needle lumen via a limited total exhaust volume space.
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中国工程科技知识中心
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http://www.ckcest.cn/home/

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