Puncture device for laparoscopic surgery
作者： Yu Fuxiang , Luo Shan , Wang Weiming , Wen Zhengde
DOI:
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摘要: The invention discloses a puncture device for laparoscopic surgery. key points of the technical scheme are that includes core and shell, shell is arranged in hollow cylinder structure, air bag between core, an inflating cavity formed by surrounding flexible material, provided with parts, external part inner being on wall outer part, cylindrical interior channel, during process parts bag, expands outwards until abuts against abdominal patient sealed way, inflates gradually channel blocked, two ends extension I-shaped structure. can ensure airtightness tube incision, surgical instrument, prevent gas leakage, make instrument have wide range operation.
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