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METHODS AND DEVICES FOR PASSIVE RESIDUAL LUNG VOLUME REDUCTION AND FUNCTIONAL LUNG VOLUME EXPANSION
专利权人:
Pulmonx Corporation
发明人:
Nikolai Aljuri,Rodney C. Perkins,Ryan Olivera,Hoang Nguyen,Srikanth Radhakrishnan,Niyazi Beyhan
申请号:
US16428544
公开号:
US20200038612A1
申请日:
2019.05.31
申请国别(地区):
US
年份:
2020
代理人:
摘要:
The volume of a hyperinflated lung compartment is reduced by sealing a distal end of the catheter in an airway feeding the lung compartment. Air passes out of the lung compartment through a passage in the catheter while the patient exhales. A one-way flow element associated with the catheter prevents air from re-entering the lung compartment as the patient inhales. Over time, the pressure of regions surrounding the lung compartment cause it to collapse as the volume of air diminishes. Residual volume reduction effectively results in functional lung volume expansion. Optionally, the lung compartment may be sealed in order to permanently prevent air from re-entering the lung compartment. The invention further discloses a catheter with a transparent occlusion element at its tip that enables examination of the lung passageway through a viewing scope.
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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